ISSN:1052-5378

Compiled By:
Karl Schneider
Reference Section, Reference and User Services Branch
National Agricultural Library, Agricultural Research Service, U. S. Department of Agriculture
Beltsville, Maryland 20705-2351

National Agricultural Library Cataloging Record:

Schneider, Karl, 1946

Acid rain.

(Quick bibliography series ; 95-03)

1. Acid rain--Bibliography. I. Title.
aZ5071.N3 no.95-03

Acid Rain

 1                                    NAL Call. No.: 450 N42
 Absorption of atmospheric NO2 by spruce (Picea abies L. Karst.)
 trees. I. NO2 influx and its correlation with nitrate reduction.
 Thoene, B.; Schroder, P.; Papen, H.; Egger, A.; Rennenberg, H.
 Cambridge : Cambridge University Press; 1991 Apr.
 The New phytologist v. 117 (4): p. 575-585; 1991 Apr.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea abies; Air pollution; Nitrogen dioxide;
 Phytotoxicity; Absorption; Nitrate reductase; Enzyme activity;
 Transpiration
 
 
 2                                    NAL Call. No.: QD1.A45
 Acid deposition: acidification of the environment.
 Elder, F.C.
 Washington, D.C. : The Society; 1992.
 ACS Symposium series - American Chemical Society (483): p. 36-63;
 1992.  In the series analytic: The science of global change: the
 impact of human activities on the environment / edited by D.A.
 Dunnette and R.J. O'Brien. Includes references.
 
 Language:  English
 
 Descriptors: U.S.A.; Acid deposition; Environment; Pollution
 
 
 3                                   NAL Call. No.: SD13.C35
 Acid deposition alters red spruce physiology: laboratory studies
 support field observations.
 McLaughlin, S.B.; Tjoelker, M.G.; Roy, W.K.
 Ottawa, Ont. : National Research Council of Canada; 1993 Mar.
 Canadian journal of forest research; Revue canadienne de
 recherche forestiere v. 23 (3): p. 380-386; 1993 Mar.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea rubens; Seedlings; Acid rain; Mists; Acidity;
 Simulation; Seedling growth; Respiration; Photosynthesis;
 Nutrient content; Calcium; Magnesium; Rooting depth; Altitude
 
 Abstract:  Two-year-old red spruce (Picea rubens Sarg.) seedlings
 were grown in a poorly buffered soil from a high-elevation site
 in the Great Smoky Mountains and exposed for 16 weeks to acid
 mist and rain chemically similar to that occurring at high-
 elevation sites in the southern Appalachian Mountains.
 Measurements of seedling growth, root distribution, saturated net
 photosynthesis, dark respiration, and nutrient content were made
 to test the hypothesis that acid deposition had caused reductions
 in the carbon economy noted at high-elevation sites in previous
 field studies. The role of base cation depletion in these changes
 was examined by evaluating soil amendments of Ca, Mg, or Ca plus
 Mg. Acidified rain and mist reduced (i) the apparent carbon
 economy of foliage, (ii) seedling growth, and (iii) rooting depth
 in these controlled greenhouse studies. Changes in gas exchange
 physiology paralleled responses observed for sapling trees in the
 field with increasing elevation and included both reduced net
 photosynthesis and increased dark respiration. Calcium deficiency
 induced by acid deposition is apparently an important mechanism
 underlying physiological responses of red spruce previously
 observed in the field. Calcium addition to soil partially reduced
 the effects of acid deposition, but observed responses suggest
 that both foliar- and soil-driven reactions are involved. Changes
 in carbon metabolism associated with reduced Ca availability,
 when high levels of acid deposition are superimposed on poorly
 buffered soils, support the inferential association of acid
 deposition with growth decline of mature red spruce in high-
 elevation forests of the Appalachian Mountains.
 
 
 4                                   NAL Call. No.: 451 L64J
 Acid deposition in Snowdonia, North Wales.
 Gritten, R.H.
 London : Academic Press; 1992 Feb.
 Botanical journal of the Linnean Society v. 108 (2): p. 111-116;
 1992 Feb. Includes references.
 
 Language:  English
 
 Descriptors: Wales; Acid deposition; Pollutants; Lakes; Rivers;
 Aquatic animals; Trauma; Forest damage
 
 
 5                              NAL Call. No.: TD196.A25A249
 Acid deposition origins, impacts, and abatement strategies.
 Longhurst, James W. S.
 Berlin ; New York : Springer-Verlag,; 1991.
 xi, 353 p. : ill. ; 28 cm.  Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition; Acid rain
 
 
 6                           NAL Call. No.: TD195.4.A23 1991
 Acid depositions in Europe environmental effects, control
 strategies and policy options : edited proceedings of a
 conference funded by the Swedish Council of Forestry and
 Agricultural Research and incorporating a UN-ECE workshop on the
 application of cost-effective control strategies. Chadwick, M.
 J.; Hutton, M.
 York : Stockholm Environment Institute,; 1991.
 xxiv, 376 p. : ill., maps ; 21 cm.  Includes bibliographical
 references and index.
 
 Language:  English
 
 Descriptors: Acid rain
 
 
 7                                 NAL Call. No.: 99.8 F7632
 Acid mist affects dehardening, budburst, and shoot growth in red
 spruce. Sheppard, L.J.; Cape, J.N.; Leith, I.D.
 Bethesda, Md. : Society of American Foresters; 1993 Nov.
 Forest science v. 39 (4): p. 629-643; 1993 Nov.  Includes
 references.
 
 Language:  English
 
 Descriptors: Nevada; Cabt; Pinus monophylla; Cercocarpus
 ledifolius; Transpiration; Xylem; Growth; Water use efficiency;
 Seasonal variation; Geographical distribution; Spread; Diurnal
 variation
 
 Abstract:  Red spruce seedlings growing in open top chambers in a
 nutrient-poor medium were exposed to mists containing one of five
 different combinations of H+, SO4(2-), NO3(-) and NH4+ ions,
 three at pH 5.6 and two at pH 2.5. The mists were applied twice
 weekly from May until November, and the plants overwintered
 outdoors with no additional mist treatment. Seedlings that
 received mists containing sulphate (1.6 mol m(-3)) the previous
 growing season were more frost-hardy (i.e., their dehardening was
 delayed) the following April than seedlings that received lower
 concentrations of sulphate or none. Neither ammonium nor nitrate
 in the applied mist had any effect on dehardening, but they did
 advance budburst when applied together. In the presence of
 sulphate there was no effect of ammonium-N on the time of
 budburst. Exposure to mists containing nitrogen significantly
 increased the dry weight and length of the leading shoots that
 emerged from the buds and extended the following summer. There
 was no evidence that the stimulatory effects of nitrogen on
 growth made the seedlings less frost-hardy in spring.
 
 
 8                                NAL Call. No.: S592.7.A1S6
 Acid phosphomonoesterase activity of ectomycorrhizal roots in
 Norway spruce pure stands exposed to pollution.
 Rejsek, K.
 Exeter : Pergamon Press; 1991.
 Soil biology and biochemistry v. 23 (7): p. 667-671; 1991. 
 Includes references.
 
 Language:  English
 
 Descriptors: Czechoslovakia; Picea abies; Roots; Ectomycorrhizas;
 Acid deposition; Air pollution; Phosphorus; Bioavailability; Acid
 phosphatase; Enzyme activity; Biological indicators; Decline;
 Coniferous forests; Forest soils; Seasonal fluctuations;
 Temperate zones
 
 Abstract:  The release of orthophosphate ions from organic
 compounds is essential for continuous phosphorus cycling in
 forest ecosystem. An important stage of this process in
 coniferous forests of the temperate zone is the production of
 acid phosphomonoesterase (PME) by ectomycorrhizal fungi. The
 effect of artificial and natural pollutant inputs during repeated
 short periods of high concentration on the activity of the
 specific enzyme was studied. The acid PME activity of spruce
 mycorrhizas was used as an indicator of anthropogenic pressure on
 forest soils. The seasonal dynamics of the activity of acid PME
 was monitored from February 1989 to January 1990. The results
 have showed a significant decrease of acid PME activity in
 ectomycorrhizal spruce roots as affected by pollutant input. The
 amount of acid PME activity may become one of the characteristic
 of the changing biochemical processes in soils under the effects
 of air pollution. The method presented is simple enough to be
 included in an integrated system of ecological analysis routinely
 used in field research to monitor forest decline.
 
 
 9                                  NAL Call. No.: QH75.A1C5
 Acid precipatation effects on forest habitats: implications for
 wildlife. Schreiber, R.K.; Newman, J.R.
 Cambridge, Mass. : Blackwell Scientific Publications; 1988 Sep.
 Conservation biology: the journal of the Society for Conservation
 Biology v. 2 (3): p. 249-259; 1988 Sep.  Literature review. 
 Includes references.
 
 Language:  English
 
 Descriptors: Acid rain; Environmental impact; Forest resources;
 Habitats; Wild animals; Wildlife; Literature reviews
 
 
 10                     NAL Call. No.: VtUTD883.7.C2C58 1981
 Acid precipitation and wildfile.
 Clark, K.; Fischer, K.
 Canadian Wildlife Service, Wildlife Toxicology Division
 Ottawa, Ont. : Wildlife Toxicology Division, Canadian Wildlife
 Service,; 1981. 53, [45] leaves : maps ; 28 cm. (Manuscript
 reports (Canadian Wildlife Service) ; No. 43.).  This manuscript
 report was prepared under EPS Contract KL229-9-4369 to K. Clark,
 Biota Environmental Contractors, Beamsville, Ontario.  Available
 in CD-ROM as part of Acid rain: Canadian Government Documents
 prepared by the Acid Rain Project, Bailey/Howe Library,
 University of Vermont. (Z699.5.G6A3).
 
 Language:  English; English
 
 Descriptors: Acid precipitation (Meteorology); Wildlife research
 
 
 11                   NAL Call. No.: QH540.U562 no.80(40.26)
 Acid precipitation studies in Colorado and Wyoming interim report
 of surveys of montane amphibians and water chemistry.
 Corn, Paul Stephen; Stolzenburg, William; Bury, R. Bruce
 Rocky Mountain Forest and Range Experiment Station (Fort Collins,
 Colo.),Rocky Mountain National Park (Colo.),U.S. Fish and
 Wildlife Service, Research and Development
 Washington, DC : U.S. Dept. of the Interior, Fish and Wildlife
 Service, Research and Development,; 1989.
 viii, 56 p. : ill., maps ; 28 cm. (Air pollution and acid rain ;
 rept. no. 26 Biological report ; 80(40.26)).  June 1989. 
 Bibliography: p. 30-35.
 
 Language:  English
 
 Descriptors: Amphibians; Acid precipitation (Meteorology); Water
 chemistry
 
 
 12                       NAL Call. No.: Z5862.2.A26J68 1991
 Acid rain a bibliography of Canadian federal and provincial
 government documents.
 Joy, Albert H.
 Westport : Meckler,; 1991.
 xxi, 237 p. ; 24 cm.  Includes indexes.
 
 Language:  English
 
 Descriptors: Acid rain; Government publications
 
 
 13                              NAL Call. No.: TD196.A25D87
 Acid rain a student's first sourcebook.
 Durham, Jack L.
 United States, Environmental Protection Agency, Office of
 Environmental Processes and Effects Research
 Washington, D.C. : Office of Environmental Processes and Effects
 Research, Office of Research and Development, U.S. Environmental
 Protection Agency,; 1990; EP1.23/6:600/9-90/027.
 i, 59 p. : ill. ; 28 cm.  July 1990.  "This information guide was
 prepared under the direction of Jack Durham, .... The text was
 prepared by Beth Ann Kyle, and Mary Deardorff ..., and Jeff
 Sabol"--P. [2] of cover.  Includes bibliographical references (p.
 51-53).
 
 Language:  English
 
 Descriptors: Acid rain
 
 
 14                                  NAL Call. No.: QH540.S8
 Acid rain abatement in Belgium: lessons of cost-effectiveness
 studies. Cuijpers, C.; Proost, S.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 341-348; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Belgium; Animal wastes; Ammonia; Emission; Air
 pollution; Acidification; Acid rain; Environmental policy
 

 15                                  NAL Call. No.: TD172.A7
 Acid rain: acidic mist-induced response in growth and
 photosynthetic activities on crop plants.
 Muthuchelian, K.; Nedunchezhian, N.; Kulandaivelu, G.
 New York, Springer-Verlag; 1994 May.
 Archives of environmental contamination and toxicology v. 26 (4):
 p. 521-526; 1994 May.  Includes references.
 
 Language:  English
 
 Descriptors: Vigna unguiculata; Vigna mungo; Acid rain; Exposure;
 Responses; Growth; Photosynthesis; Chlorophyll; Phytotoxicity
 
 
 16                       NAL Call. No.: Z5862.2.A26C48 1991
 Acid rain and public policy a selective bibliography of recent
 references. Christensen, John O.
 Monticello, Ill., USA : Vance Bibliographies,; 1991.
 15 p. ; 28 cm. (Public administration series--bibliography, P
 3072).  Cover title.  "April 1991.
 
 Language:  English
 
 Descriptors: Acid rain
 
 
 17                       NAL Call. No.: Z5862.2.A26G72 1991
 Acid rain & the environment, 1988-1991 a select bibliography.. 
 Acid rain and the environment, 1988-1991
 Grayson, Lesley
 London : British Library, Science Reference and Information
 Service ; Letchworth, Herts, UK : Technical Communications,;
 1991.
 iv, 217 p. ; 30 cm.  Cover title: Acid rain and the environment,
 1988-1991. Includes indexes.
 
 Language:  English
 
 Descriptors: Acid rain
 
 
 18                                 NAL Call. No.: HC79.E5E5
 Acid rain in Asia.
 Bhatti, N.; Streets, D.G.; Foell, W.K.
 New York, N.Y. : Springer-Verlag; 1992 Jul.
 Environmental management v. 16 (4): p. 541-562; 1992 Jul. 
 Includes references.
 
 Language:  English
 
 Descriptors: Asia; Acid rain; Pollution; Acid deposition;
 Meteorological observations; Weather patterns; Environmental
 assessment; Energy consumption; Ecosystems; Environmental impact
 
 
 19                      NAL Call. No.: TD195.54.C22O65 1986
 Acid rain in Ontario.
 Neufeld, David
 Ontario, Legislative Library, Ontario, Legislative Research
 Service Toronto : Ontario Legislative Library,; 1986.
 29, [3] p. : ill., maps ; 31 cm. (Current issue paper ;).  Issued
 by Legislative Research Service.  Includes bibliographical
 references.
 
 Language:  English; English
 
 Descriptors: Acid rain
 
 
 20                         NAL Call. No.: TD427.A27M37 1992
 Acid rain its causes and its effects on inland waters.
 Mason, B. J.
 Oxford : Clarendon Press ; New York : Oxford University Press,;
 1992. ix, 126 p. , [12] p. of plates : ill., maps (some col.) ;
 25 cm. (Science, technology, and society series (Oxford, England)
 ; 8.).  Includes bibliographical references and index.
 
 Language:  English
 
 Descriptors: Acid pollution of rivers, lakes, etc; Acid
 deposition; Acid rain
 
 
 21                         NAL Call. No.: TD195.42.J37 1983
 Acid rain studies - emissions inventory a review.
 Jarv, Toomas,; Surtees, E.
 Ontario Hydro, Research Division
 Toronto, Ont. : Ontario Hydro Research Division,; 1983.
 41 leaves : ill., maps ; 28 cm. (Report (Ontario Hydro. Research
 Division) ; no. 83-63-K.).  Caption title.  May 27, 1983. 
 Bibliography: leaf 10-11.
 
 Language:  English
 
 Descriptors: Acid precipitation (Meteorology); Coal-fired power
 plants
 
 
 22                     NAL Call. No.: VtUTD883.15.J37 1984a
 Acid rain studies acid precipitation data base.
 Jarv, Toomas,
 Ontario Hydro, Research Division
 Toronto, Ont. : Ontario Hydro, Research Division,; 1984,
 reprinted 1989. 51 leaves : ill, maps ; 28 cm. (Report (Ontario
 Hydro. Research Division) ; no. 84-404-K.).  November 29, 1984. 
 Bibliography : leaves 7-9.
 
 Language:  English; English
 
 Descriptors: Acid precipitation (Meteorology); Air
 
 
 23                          NAL Call. No.: S592.57.K46 1992
 Acid soil and acid rain., 2nd ed..
 Kennedy, I. R.
 Taunton, Somerset, England ; New York : Research Studies Press ;
 New York : J. Wiley,; 1992.
 xvii, 254 p. : ill. ; 23 cm. (Research studies in botany and
 related applied fields).  Includes bibliographical references and
 index.
 
 Language:  English
 
 Descriptors: Soil acidification; Acid soils; Acid rain; Nitrogen
 cycle; Sulphur cycle; Soil management
 
 
 24                                  NAL Call. No.: QH540.J6
 Acid-base chemistry of dissolved organic matter in aqueous leaf
 extracts: application to organic acids in throughfall.
 Brown, A.D.; Sposito, G.
 Madison, Wis. : American Society of Agronomy; 1991 Oct.
 Journal of environmental quality v. 20 (4): p. 839-845; 1991 Oct. 
 Includes references.
 
 Language:  English
 
 Descriptors: California; Pinus monticola; Salix; Fagaceae;
 Throughfall; Plant extracts; Leaves; Pine needles; Acid base
 equilibrium; Anions; Cations; Organic acids; Ion exchange;
 Mineral content; Rain; Acidity
 
 Abstract:  Elemental composition data were obtained for bulk
 precipitation and throughfall samples and for aqueous extracts of
 the leaves of three woody plant species common in the subalpine
 Sierra Nevada range, California: chinquapin (Chrysolepis
 sempervirens Hjelmqvist), western white pine (Pinus monticola
 Dougl.), and willow (Salix orestera Schneider). The acid-base
 equilibria of the extracts were characterized by potentiometric
 titration and proton formation functions were computed. The
 latter then were modeled assuming four classes of quasiparticle
 acidic functional groups, yielding negative logarithms of
 conditional protonation constants in the range 4.8 to 5.0, 6.1 to
 6.6, 7.4 to 7.7, and 9.1 to 9.4. The relative concentration of a
 given acidic functional group class varied markedly among the
 three woody species, but the conditional protonation constants
 were very similar. The model parameters, along with dissolved
 organic C concentration and pH values, were used to estimate net
 anion deficits in throughfall samples collected from the same
 sites as the leaf samples. On average, the calculated charge
 concentration of free organic anions in the western white pine
 extract matched the throughfall anion deficit, whereas the
 deficits in the chinquapin and willow throughfall samples were
 not accounted for by free anion concentrations. Metal
 complexation and in situ, species-dependent leaf surface
 processes may account for these latter differences. In general,
 the anion deficit and, therefore, organic acids were an important
 component of rainfall and throughfall charge balance.
 
 
 25                    NAL Call. No.: VtUTD883.7.C22A42 1984
 Acid-forming emissions transportation and effects.
 Sanderson, Kim
 Edmonton, Alta. : Environment Council of Alberta,; 1984.
 vi, 53 p. ; 28 cm.  March 1984.  "ECA84-ST/1"--T.p. verso. 
 Bibliography: p. 44-53.
 
 Language:  English; English
 
 Descriptors: Acid deposition; Atmospheric circulation; Pollution
 
 
 26                             NAL Call. No.: QH545.A17A238
 Acidic deposition and aquatic ecosystems regional case studies.
 Charles, Donald F._1949-; Christie, S.
 New York : Springer-Verlag,; 1991.
 xii, 747 p. : ill. ; 26 cm.  Includes bibliographical references
 and index.
 
 Language:  English
 
 Descriptors: Acid deposition; Acid pollution of rivers, lakes,
 etc; Aquatic ecology; Aquatic animals
 
 
 27             NAL Call. No.: VtUTD883.7.C2A23 1987 vol. 11
 Acidic deposition and the environment a literature overview.
 Legge, Allan H.; Crowther, R. A.
 Albert Government/Industry Acid Deposition Research Program,
 Kananaskis Centre for Environmental Research
 Calgary, Alta. : Acid Deposition Research Program,; 1987. x, 235
 p..  November 1987.  Available in CD-ROM as part of Acid rain:
 Canadian Government Documents prepared by the Acid Rain Project,
 Bailey/Howe Library, University of Vermont. (Z699.5.G6A3). 
 Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition
 
 
 28                         NAL Call. No.: TD195.42.A35 1990
 Acidic deposition state of science and technology..  Emissions,
 atmospheric processes and deposition Aquatic processes and
 effects Terrestrial, materials, health and visibility effects
 Control technologies, future emissions, and effects valuation
 National Acid Precipitation Assessment Program (U.S.).
 Washington, DC : The Program : Available from Supt. of Docs.,
 1990-; 1990-9999.
 4 v. in 27 : ill. ; 28 cm.  Cover title.  Description based on:
 Report 22. Includes bibliographical references and indexes.
 
 Language:  English
 
 Descriptors: Acid deposition; Air quality management
 
 
 29                         NAL Call. No.: TD427.A27A25 1990
 Acidic deposition state of science and technology : summary
 compendium document..  State of science and technology summary
 compendium document Irving, Patricia M.
 National Acid Precipitation Assessment Program (U.S.)
 Washington, D.C. : National Acid Precipitation Assessment
 Program,; 1990. 1 v. (various pagings) : ill., col. maps ; 28 cm. 
 Summaries of NAPAP state of science/technology reports 1-28. 
 January 1990.
 
 Language:  English
 
 Descriptors: Acid deposition; Acid precipitation (Meteorology);
 Acid rain
 

 30                        NAL Call. No.: TD196.A25A375 1991
 Acidic deposition state of science and technology : summary
 report of the U.S. National Acid Precipitation Assessment
 Program.
 Irving, Patricia M.
 National Acid Precipitation Assessment Program (U.S.),National
 Acid Precipitation Assessment Program (U.S.), Office of the
 Director Washington, D.C. : National Acid Precipitation
 Assessment Program, Office of the Director : For sale by the U.S.
 G.P.O., Supt. of Docs.,; 1991; Y 3.In 8/31:2 Ac 4/4.
 265 p. : ill., maps ; 28 cm.  "Summarizes the series of twenty-
 seven State of Science and Technology Reports of the National
 Acid Precipitation Assessment Program"--P. 3.  Shipping list no.:
 91-738-P.  September 1991.  Includes bibliographical references
 (p. 239-246).
 
 Language:  English; English
 
 Descriptors: Acid deposition; Acid precipitation (Meteorology)
 
 
 31                                   NAL Call. No.: 450 N42
 Acidic mist and nitrogen fertilization effects on growth, nitrate
 reductase activity, gas exchange, and frost hardiness of red
 spruce seedlings. L'Hirondelle, S.J.; Jacobson, J.S.; Lassoie,
 J.P.
 Cambridge : Cambridge University Press; 1992 Aug.
 The New phytologist v. 121 (4): p. 611-622; 1992 Aug.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea rubens; Seedlings; Acid rain; Phytotoxicity;
 Nitrogen fertilizers; Growth; Nitrate reductase; Enzyme activity;
 Gas exchange; Cold resistance; Frost injury
 
 
 32                         NAL Call. No.: VtUMICROFICHE 281
 Acidic precipitation in Ontario study Annual statistics of
 concentration--cumulative ambient air monitoring network.
 Ontario, Atmospheric Research and Special Programs Section,
 Special Studies Unit, Ontario, Atmospheric Processes Studies
 Unit, Ontario, A.P.I.O.S. Coordination Office, Ontario, Ministry
 of the Environment, Special Studies Unit
 Toronto : A.P.I.O.S. Coordination Office, 1982-; 1982-9999.
 Annual statistics of concentration, cumulative ambient air
 monitoring network. v. : maps ; 30 cm; 1982-9999.  Description
 based on: 1982.  Vols. for 1983-prepared by Atmospheric Processes
 Studies Unit..  Issued by Special Studies Unit, Atmospheric
 Research and Special Programs Section, Ontario Ministry of the
 Environment.
 
 Language:  English; English
 Descriptors: Air; Air quality management; Air quality monitoring
 stations
 
 
 33                         NAL Call. No.: VtUMICROFICHE 282
 Acidic precipitation in Ontario study--APIOS Cumulative (28 day)
 precipitation chemistry listings of sites Atmospheric Processes
 Studies Unit, Air Quality and Meteorology Section, Air Resources
 Branch.
 Ontario, A.P.I.O.S. Coordination Office, Ontario, Atmospheric
 Processes Studies Unit
 Toronto : A.P.I.O.S. Coordination Office,; 1985-9999.
 Cumulative (28 day) precipitation chemistry listings. v. : ill. ;
 30 cm; 1985-9999.  Description based on 1985 report.
 
 Language:  English; English
 
 Descriptors: Acid precipitation (Meteorology)
 
 
 34                                 NAL Call. No.: 421 EN895
 Acidic precipitation increases egg survival in Neodiprion
 sertifer. Heliovaara, K.; Vaisanen, R.; Varama, M.
 Dordrecht : Kluwer Academic Publishers; 1992 Jan.
 Entomologia experimentalis et applicata v. 62 (1): p. 55-60; 1992
 Jan. Includes references.
 
 Language:  English
 
 Descriptors: Finland; Pinus sylvestris; Neodiprion sertifer; Ova;
 Outbreaks; Survival; Acid rain; Air pollution
 
 
 35                                NAL Call. No.: QL618.3.M3
 Acidification and fish in Scottish lochs.
 Maitland, Peter S.; Lyle, Alex; Campbell, R. N. B.
 Institute of Terrestrial Ecology
 Grange-over-Sands : Institute of Terrestrial Ecology, Merlewood
 Research Station,; 1987.
 71 p., [6] p. of plates : ill. (some col.), maps ; 30 cm. 
 "Institute of Terrestrial Ecology, Natural Environment Research
 Council"--Cover.  Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Fish populations; Acid rain; Fishes
 
 
 36                                NAL Call. No.: TD420.A1E5
 Acidification and recovery of a Spodosol Bs horizon from acidic
 deposition. Dahlgren, R.A.; McAvoy, D.C.; Driscoll, C.T.
 Washington, D.C. : American Chemical Society; 1990 Apr.
 Environmental science & technology v. 24 (4): p. 531-537; 1990
 Apr.  Includes references.
 
 Language:  English
 
 Descriptors: Maine; Spodosols; Horizons; Soil pollution; Acids;
 Deposition; Acidification; Recovery
 
 
 37                       NAL Call. No.: TD195.54.F5A25 1990
 Acidification in Finland.
 Kauppi, Pekka; Anttila, Pia,_1958-; Kenttamies, Kaarle,
 Berlin ; New York : Springer-Verlag,; 1990.
 xviii, 1237 p. : ill. (some col.) ; 25 cm.  Includes
 bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition; Pollution
 
 
 38                                  NAL Call. No.: QH540.S8
 Acidification of forests and forest soils: current status.
 Matzner, E.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 77-86; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Literature review.  Includes references.
 
 Language:  English
 
 Descriptors: Forests; Forest soils; Acidification; Acid
 deposition; Air pollution; Soil chemistry; Literature reviews
 
 
 39                                  NAL Call. No.: QH540.S8
 Acidification research activities in Poland.
 Mill, W.A.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 301-306; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Poland; Forest soils; Acidification; Acid
 deposition; Sulfur; Air pollution; Soil acidity; Mapping
 
 
 40                            NAL Call. No.: QH540.S8 no.50
 Acidification research evaluation and policy applications :
 proceedings of an international conference, Maastricht, The
 Netherlands, 14-18 October 1991. Schneider, T.
 Amsterdam ; New York : Elsevier,; 1992.
 xiv, 583 p. : ill. ; 25 cm. (Studies in environmental science ;
 50).  Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition; Pollution
 
 
 41                       NAL Call. No.: TD195.54.F5A26 1991
 Acidification research in Finland review of the results of the
 Finnish Acidification Research Programme (HAPRO), 1985-1990.
 Kenttamies, Kaarle,
 HAPRO (Project)
 Helsinki : Govt. Printing Centre,; 1991.
 48 p. : ill. (some col.), maps ; 30 cm. (Brochure (Finland.
 Ymparistoministerio. Ymparistonsuojeluosasto) ; 39.).  Translated
 from Finnish.  Includes bibliographical references (p. 46-48).
 
 Language:  English; English
 
 Descriptors: Acid deposition
 
 
 42                                  NAL Call. No.: QH540.S8
 Acidification research in Sweden.
 Staaf, H.; Bertills, U.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 415-429; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Sweden; Acidification; Acid deposition; Air
 pollution; Acid rain; Coniferous forests; Decline; Phytotoxicity;
 Forest soils; Research projects; Ozone; Liming
 
 
 43                            NAL Call. No.: QH540.S8 no.46
 Acidification research in the Netherlands final report of the
 Dutch Priority Programme on Acidification.
 Heij, G. J.; Schneider, T.
 Dutch Priority Programme on Acidification
 Amsterdam ; New York : Elsevier,; 1991.
 xiii, 771 p. : ill., map ; 25 cm. (Studies in environmental
 science ; 46). Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition; Acidification; Forests and
 forestry; Soil acidification; Forest soils; Plants, Effect of
 acid deposition on; Pollution
 
 
 44                       NAL Call. No.: TD195.54.S8B76 1989
 Acidification trends in Swedish groundwaters review of time
 series 1950-85. Bromssen, Ulf von
 Sweden, Statens naturvardsverk
 Solna : National Swedish Environmental Protection Board,; 1989.
 67 p. : ill., maps ; 25 cm. (Rapport (Sweden. Statens
 naturvardsverk) ; v 3547.).  Swedish summary.  Includes
 bibliographical references (p. 59-61).
 
 Language:  English
 
 Descriptors: Acid rain; Acidification; Water, Underground; Water
 chemistry
 

 45                                  NAL Call. No.: QH540.S8
 Acidifying effects on groundwater.
 Soveri, J.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 135-143; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Acidification; Groundwater pollution; Acid
 deposition; Groundwater recharge; Aquifers
 
 
 46                                    NAL Call. No.: SB1.H6
 Acute effects of acidic fog on photosynthetic activity and
 morphology of Phaseolus lunatus.
 Trumble, J.T.; Walker, G.P.
 Alexandria, Va. : The American Society for Horticultural Science;
 1991 Dec. HortScience : a publication of the American Society for
 Horticultural Science v. 26 (12): p. 1531-1534; 1991 Dec. 
 Includes references.
 
 Language:  English
 
 Descriptors: Phaseolus lunatus; Air pollution; Acid rain; Acid
 deposition; Fog; Ph; Crop damage; Abiotic injuries;
 Photosynthesis; Gas exchange; Net assimilation rate; Carbon
 dioxide; Stomatal resistance; Plant tissues; Susceptibility;
 Variation
 
 Abstract:  Acute effects of high-nitrate/low-sulfate acidic fogs
 with a pH of 2.5 and 3.0 were investigated on 3.5- to 4-week-old
 Phaseolus lunatus L. in a series of replicated trials. After 24
 hours, CO2 assimilation rates of primary leaves were reduced by
 at least one-third by 3-hour fogs with a pH value of 2.5 as
 compared to control plants treated with a fog of pH 6.3. A 3-hour
 fog at pH 3.0 reduced CO2 assimilation a minimum of 20%. Stomatal
 resistance increased in primary leaves of plants exposed to an
 acidic fog of pH 2.5 by >37% compared to plants subjected to pH
 6.3 fogs. Stomatal resistances in leaves exposed to pH 3.0 fogs
 increased at least 27%. However, internal CO2 concentrations were
 not significantly different between control- and acid-fogged
 plants at any pH. Standardizing plants for similar CO2
 assimilation rates allowed statistical separation of
 photosynthetically important variables as compared to
 unstandardized experimental designs with higher interplant
 variability. Methacrylate plastic sections of foliar lesions
 resulting from exposure to pH 2.0 fogs revealed that damage
 usually progressed vertically from the upper to lower epidermis.
 Xylem was less susceptible to damage than other tissues.
 
 
 47                                 NAL Call. No.: HC79.E5E5
 Agenda setting and acid precipitation in the United States. Alm,
 L.R.; Davis, C.
 New York, Springer-Verlag; 1993 Nov.
 Environmental management v. 17 (6): p. 807-816; 1993 Nov. 
 Includes references.
 
 Language:  English
 
 Descriptors: U.S.A.; Cabt; Acid rain; Environmental policy
 
 
 48                               NAL Call. No.: QH545.A1E52
 Agriculture's share in the emission of trace gases affecting the
 climate and some cause-oriented proposals for sufficiently
 reducing this share. Isermann, K.
 Barking, Essex, England : Elsevier Applied Science Publishers,
 1987-; 1994. Environmental pollution v. 83 (1/2): p. 95-111;
 1994.  Special Issue: Global Climate Change.  Includes
 references.
 
 Language:  English
 
 Descriptors: Waste gases; Greenhouse effect; Global warming;
 Ammonia; Nitric oxide; Methane; Carbon monoxide; Emission;
 Atmosphere; Pollutants; Agriculture; Fertilizers; Animal
 husbandry; Agricultural wastes
 
 
 49                        NAL Call. No.: TD883.7.S8S84 1990
 Air pollution '90.
 Sweden. Statens naturvardsverk
 Solna, [Sweden] : I. Bingman : [Distributed by] the Swedish
 Environmental Protection Agency, [1990?]; 1990.
 67 p. : ill., maps ; 24 cm. (Swedish Environmental Protection
 Agency informs).  Subtitle on cover: Action programme for air
 pollution and acidification.
 
 Language:  English
 
 Descriptors: Air; Acid rain
 
 
 50                                 NAL Call. No.: 381 J825N
 Air pollution and forest damage.
 Smith, W.
 Washington, D.C. : American Chemical Society; 1991 Nov11.
 Chemical and engineering news v. 69 (45): p. 30-43; 1991 Nov11.
 
 Language:  English
 
 Descriptors: Forest damage; Air pollution; Legislation
 
 
 51                        NAL Call. No.: VtUTD883.C355 1988
 Air quality and acid rain an overview.
 Sandhu, H. S.; Angle, R. P.
 S.l. : s.n., 1984?; 1984, reprinted 1988.
 26 leaves : ill., maps.  A paper for presentation in the lecture
 series "Impacts of science and technology on environments,"
 organized by the Edmonton Public School Board, February 20, 1984,
 Provincial Museum, Edmonton. Bibliography: leaves 24-26.
 
 Language:  English
 
 Descriptors: Air quality; Air; Acid precipitation (Meteorology)
 
 
 52                                NAL Call. No.: QH540.E288
 Air quality and deposition.
 Bohm, M.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 97: p. 63-152;
 1992.  In the series analytic: The response of western forests to
 air pollution / edited by R.K. Olson, D. Binkley and M. Bohm. 
 Includes references.
 
 Language:  English
 
 Descriptors: Western states of U.S.A.; Cabt; Air pollution;
 Pollutants; Deposition; Soil pollution; Phytotoxicity; Forest
 trees; Forests; Ozone; Sulfur dioxide; Sulfuric acid; Acid
 deposition; Nitrogen oxides
 
 
 53                      NAL Call. No.: VtUTD883.7.M3A3 1983
 Air quality in the Sherridon, Manitoba area, during July to
 October, 1982. Campbell, A. M.
 Manitoba, Air Standards and Studies
 Winnipeg : Air Standards and Studies, [1983?]; 1983.
 iii, 33 leaves : maps ; 28 cm. (Report (Monitoba. Air Standards
 and Studies) ; no. 83-1.).  Bibliography: leaves 31-32.
 
 Language:  English
 
 Descriptors: Acid precipitation (Meteorology); Air quality
 
 
 54                                 NAL Call. No.: QH540.E23
 Air-pollution-mediated changes in alpine ecosystems and ecotones.
 Rusek, J.
 Tempe, Ariz. : Ecological Society of America; 1993 Aug.
 Ecological applications v. 3 (3): p. 409-416; 1993 Aug.  In the
 special issue: Ecotones at local to regional scales from around
 the world. Proceedings of the 2nd SCOPE Workshop, April 25-29,
 1991, Hickory Corners, Michigan.  Includes references.
 
 Language:  English
 
 Descriptors: Czechoslovakia; Alpine plants; Plant communities;
 Plant ecology; Ecotones; Air pollution; Acid deposition; National
 parks; Humic acids; Leaching; Soil insects; Collembola; Community
 ecology; Mountain areas
 
 
 55                               NAL Call. No.: 290.9 AM32P
 Alternative rural drinking water supply in Hawaii.
 Fok, Y.S.
 St. Joseph, Mich. : The Society; 1990.
 Paper - American Society of Agricultural Engineers (90-2030): 3
 p.; 1990. Paper presented at the "1990 International Summer
 Meeting sponsored by the American Society of Agricultural
 Engineers," June 24-27, Columbus, Ohio. Includes references.
 
 Language:  English
 
 Descriptors: Hawaii; Drinking water; Acid rain; Hydrogen sulfide;
 Water harvesting; Water pollution; Volcanic areas
 
 
 56                                  NAL Call. No.: QH540.J6
 Aluminum in soil solutions from a subalpine spruce-fir forest at
 Whiteface Mountain, New York.
 Miller, E.K.; Huntington, T.G.; Johnson, A.H.; Friedland, A.J.
 Madison, Wis. : American Society of Agronomy; 1992 Jul.
 Journal of environmental quality v. 21 (3): p. 345-352; 1992 Jul. 
 Includes references.
 
 Language:  English
 
 Descriptors: New York; Aluminum; Soil solution; Acid rain;
 Acidification; Nitrate; Forest soils; Nitrification; Organic
 horizons; Horizons; Soil chemistry; Anions; Ion exchange;
 Exchangeable cations; Movement in soil; Spatial variation;
 Temporal variation; Coniferous forests; Abies balsamea; Picea
 rubens; Subalpine forests; Mountain soils
 
 Abstract:  Direct or indirect Al toxicity has been suggested as a
 principal factor in forest tree declines. We monitored ambient
 soil solutions in undisturbed and experimentally manipulated
 soils from a fir [Abies balsamea (L.) Mill.]-spruce forest on
 Whiteface Mountain, NY, in order to characterize soil solution Al
 concentrations over a range of acid anion loadings. Under both
 natural and experimental conditions total Al and labile Al
 concentrations rarely exceeded values (180-250 micromole L-1)
 associated with reduced root growth in red spruce (Picea rubens
 Sarg.). Over a 2-yr period ambient soil solutions averaged 76 and
 46 micromole L-1 total Al in the organic and mineral horizons,
 respectively. The highest monthly mean concentrations occurred in
 winter. Disturbance-induced NO3 accumulation and simulated acid
 rain applications produced higher peak Al values in experimental
 plots than were observed in undisturbed and untreated plots.
 Although soils of the fir-spruce zone exhibited the potential to
 yield solutions with phytotoxic Al concentrations, it appears
 that such concentrations are both spatially and temporally
 limited and infrequently present a direct stress to root growth
 in red spruce.
 
 
 57                                  NAL Call. No.: QH540.S8
 Ammonia emissions and abatement.
 Heij, G.J.; Erisman, J.W.; Voorburg, J.H.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 37-50; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Ammonia; Emission; Animal manures;
 Acidification; Soil acidity; Nitrification; Air pollution;
 Deposition; Acid deposition
 
 
 58                               NAL Call. No.: 290.9 AM32P
 Ammonia emissions from a large swine production complex.
 Collins, E.R. Jr
 St. Joseph, Mich. : The Society; 1990.
 Paper - American Society of Agricultural Engineers (90-4519): 8
 p.; 1990. Paper presented at the "1990 International Winter
 Meeting sponsored by the American Society of Agricultural
 Engineers," December 18-21, 1990, Chicago Illinois.  Includes
 references.
 
 Language:  English
 
 Descriptors: Animal housing; Air quality; Acid rain; Pigs
 
 
 59             NAL Call. No.: VtUTD883.7.C2A23 1987 vol. 10 An
 analysis of numerical models of air pollutant exposure and
 vegetation response.
 Krupa, Sagar V.; Kickert, Ronald N.
 Kananaskis Centre for Environmental Research, Alberta Government-
 Industry Acid Deposition Research Program
 Calgary, Alta. : The Program,; 1987.
 vi, 113 p. : ill. ; 28 cm. (Biophysical research ; 10.).  Cover
 title: Acid Deposition Program Biophysical research.  February,
 1987.  Available in CD-ROM as part of Acid rain: Canadian
 Government Documents prepared by the Acid Rain Project,
 Bailey/Howe Library, University of Vermont. (Z699.5.G6A3). 
 Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition; Plants, Effect of acid
 precipitation on; Acid precipitation (Meteorology)
 

 60                      NAL Call. No.: VtUTD885.5.S8A3 1981 An
 Analysis of techniques for measuring the dry deposition rate of
 SOat. Hunt, James E.
 Alberta, Pollution Control Division, Alberta, Alberta Environment
 Edmonton : Alberta Environment,; 1981.
 v, 83 p. : ill. ; 28 cm.  Available in CD-ROM as part of Acid
 rain: Canadian Government Documents prepared by the Acid Rain
 Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).  Bibliography: p. 64-68.
 
 Language:  English
 
 Descriptors: Sulphur; Air; Acid precipitation (Meteorology)
 
 
 61                       NAL Call. No.: Z5862.2.A26A55 1991
 Annotated bibliography of acid deposition publications, April
 1991. Maryland, Chesapeake Bay Research and Monitoring Division
 Annapolis : Md. : Chesapeake Bay Research and Monitoring
 Division, Tidewater Administration,; 1991.
 51 p. ; 14 x 22 cm.  Cover title.  "The Department of Natural
 Resources has sponsored a wide range of acid deposition related
 projects since 1980 ... [t]his document provides brief abstracts
 for the acid deposition publications produced through May 1991"--
 P. 2 of cover.
 
 Language:  English; English
 
 Descriptors: Acid rain; Acid deposition
 
 
 62                         NAL Call. No.: Z5322.A25A55 1986 An
 Annotated bibliography of documentation relevant to acid
 precipitation in Atlantic Canada.
 Taylor, Billie L.
 Oceanroutes Canada, Inc, Canada, Environment Canada, Atlantic
 Region, Canada, Atmospheric Environment Service
 Bedford, N.S. : Atmospheric Environment Service,; 1986.
 ii, 77 p. ; 28 cm.  March 1986.  Includes index.
 
 Language:  English
 
 Descriptors: Acid precipitation (Meteorology); Acid deposition;
 Air
 
 
 63                                NAL Call. No.: S539.5.J68
 Annual spring barley growth, yield, and root rot in high- and
 low-residue tillage systems.
 Smiley, R.W.; Wilkins, D.E.
 Madison, WI : American Society of Agronomy, c1987-; 1993 Apr.
 Journal of production agriculture v. 6 (2): p. 270-275; 1993 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Oregon; Cabt; Rhizoctonia; Pythium; Cochliobolus;
 Gaeumannomyces; Hordeum vulgare; Crop yield; Root rots; Fungal
 diseases; Crop residues; Continuous cropping; Moldboards; Minimum
 tillage; No-tillage; Plowing; Plant development; Growth; Soil
 water; Precipitation; Semiarid climate
 
 
 64                     NAL Call. No.: GB701.W375 no.93-4030
 Application of a hydrochemical model and a multivariate soil-
 solution mixing model to alpine watersheds in the Sierra Nevada,
 California. Hooper, Richard Preston,; Peters, Norman E.
 California, Air Resources Board, Geological Survey (U.S.)
 Atlanta, Ga. : U.S. Dept. of the Interior, U.S. Geological Survey
 ; Denver, CO : Books and Open-File Reports Section
 [distributor],; 1993; I 19.42/4:93-4030. vi, 58 p. : ill., maps ;
 28 cm. (Water-resources investigations report ; 93-4030). 
 Shipping list no.: 93-0412-P.  "Cooperative Agreement no.
 A932-076"--P. [2] of cover.  Includes bibliographical references
 (p. 38-39).
 
 Language:  English; English
 
 Descriptors: Acid deposition; Water
 
 
 65                                  NAL Call. No.: 56.8 SO3
 Applying batch determined retention properties to predict sulfate
 transport through soil columns.
 Schnabel, R.R.; Potter, R.M.; Richie, E.B.
 Baltimore, Md. : Williams & Wilkins; 1991 Dec.
 Soil science v. 152 (6): p. 440-447; 1991 Dec.  Includes
 references.
 
 Language:  English
 
 Descriptors: Pennsylvania; Hapludults; Sulfate; Nutrient
 retention; Movement in soil; Transport processes; Sorption
 isotherms; Adsorption; Ph; Phosphates; Pore volume; Flow;
 Measurement; Simulation; Comparisons; Cation exchange capacity;
 Anion exchange capacity; Clay minerals; Soil texture; Soil
 analysis; Acid deposition; Potassium sulfate
 
 
 66                                 NAL Call. No.: 292.8 J82
 Artificial watershed acidification on the Fernow Experimental
 Forest, USA. Adams, M.B.; Edwards, P.J.; Wood, F.; Kochenderfer,
 J.N.
 Amsterdam : Elsevier Scientific Publishers, B.V.; 1993 Oct 01.
 Journal of hydrology v. 150 (2/4): p. 505-519; 1993 Oct 01.  In
 the special issue: Water Issues in Forests Today / edited by E.M.
 O'Loughlin and F.X. Dunin.  Papers presented at the International
 Symposium on Forest Hydrology, November 22-26, 1992, Canberra,
 Australia.  Includes references.
 
 Language:  English
 
 Descriptors: West Virginia; Cabt; Acid deposition; Watersheds;
 Forests; Streams; Acidification; Nitrogen; Sulfur; Calcium
 sulfate; Nitrate nitrogen; Ph; Electrical conductivity; Water
 pollution
 
 Abstract:  A whole-watershed manipulation project was begun on
 the Fernow Experimental Forest in West Virginia, USA, in 1987,
 with the objective of increasing understanding of the effects of
 acidic deposition on forest ecosystems. Two treatment watersheds
 (WS9 and WS3) and one control watershed (WS4) were included.
 Treatments were twice-ambient N and S deposition, applied via
 NH4SO4 fertilizer, with three applications per year. Three years
 of pretreatment data were collected and used for calibration.
 Stream water chemistry data collected during 3 years of treatment
 were evaluated. Stream water pH and electrical conductivity were
 not significantly affected by the elevated N and S inputs on
 either treatment watershed. On WS9, there were no statistically
 significant treatment effects on stream water export of Ca, SO4,
 or NO3 On WS3, however, stream export of both NO3 and Ca have
 increased as a result of acidification treatments. The
 implications of these results are discussed. Research is
 continuing so that the processes involved may be elucidated. In
 addition, effects on vegetation, aquatic invertebrates and
 amphibians also are being evaluated.
 
 
 67                               NAL Call. No.: QH545.A1E52
 Assessment by laboratory simulation of approaches to amelioration
 of peat acidification.
 Sanger, L.J.; Billett, M.F.; Cresser, M.S.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 81 (1): p. 21-26; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Acidification; Peat soils; Upland soils; Drainage
 water; Calcium carbonate; Calcium sulfate; Calcium hydroxide;
 Dolomite; Ions; Chemical composition; Ph; Temporal variation;
 Soil depth; Acid deposition
 
 
 68                                  NAL Call. No.: QH540.S8
 Assessment of critical loads and the impact of deposition
 scenarios by steady state and dynamic soil acidification models.
 Vries, W. de; Kros, J.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 569-624; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Acid deposition;
 Acidification; Soil acidity; Soil pollution; Simulation models;
 Computer simulation; Sulfur dioxide; Nitrogen oxides; Ammonia;
 Forest soils
 
 
 69                                NAL Call. No.: TD420.A1P7
 Assessment of the effect of acidic deposition on Canadian lakes:
 determination of critical loads for sulphate deposition.
 Jeffries, D.S.; Lam, D.C.L.
 Oxford ; New York : Pergamon Press, c1981-; 1993.
 Water science and technology : a journal of the International
 Association on Water Pollution Research v. 28 (3/5): p. 183-187;
 1993.  Paper presented at the IAWQ First International Conference
 on "Diffuse (Nonpoint) Pollution: Sources, Prevention, Impact,
 Abatement." September 19-24, 1993, Chicago, Illinois.  Includes
 references.
 
 Language:  English
 
 Descriptors: Canada; Cabt; Lakes; Water pollution; Sulfates;
 Deposition; Loads; Acid deposition
 
 
 70                                 NAL Call. No.: QK475.T74
 Assimilation and stomatal conductance responses of red spruce to
 midwinter frosts and the constituent ions of acid mist.
 Eamus, D.
 Victoria [B.C.] Canada : Heron Pub.,; 1993 Sep.
 Tree physiology v. 13 (2): p. 145-155; 1993 Sep.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea rubens; Winter kill; Cold resistance; Forest
 damage
 
 Abstract:  Red spruce (Picea rubens Sarg.) seedlings growing
 outside in open-top chambers were sprayed twice weekly with
 artificial mists at either pH 2.5 or 5.6, for five months during
 the 1988 growing season. The mists contained one of the
 following: (water, pH 5.6 (control); (NH4)2SO4, pH 5.6; NH4NO3,
 pH 5.6; HNO3, pH 2.5; H2SO4, pH 2.5; or (NH4)2SO4 + NH4NO3, pH
 2.5. During January 1989, the light responses of assimilation and
 stomatal conductance were assessed in the laboratory following a
 4-day equilibration at 12 degrees C. The aerial portions of the
 intact trees were then subjected to a mild (-10 degrees C) frost
 for three hours during the night and the rate of recovery of
 light-saturated assimilation (Amax) was determined the following
 day using the same branches as were used for the assimilation
 studies before the frost treatment. The same trees were then
 subjected to a second frost of -18 degrees C for three hours
 during the following night and the recovery of Amax of the same
 branches was measured the next day. All of the acid mist
 treatments increased Amax and apparent quantum yield relative to
 the control treatment when measured before the frost treatments.
 Frosts of -10 and -18 degrees C resulted in a significant decline
 in Amax of seedlings in all treatments except the control.
 Stomatal conductance increased with increasing irradiance in
 seedlings in the acid mist treatments that did not contain SO4(2-
 ) ion. Stomatal conductance of seedlings in acid mist treatments
 containing SO4(2-) ion was insensitive to changes in irradiance
 over the range 50-1500 micromoles m-2 s-1. It is concluded that
 acid precipitation increased the sensitivity of the assimilation
 response to midwinter frosts that follow a brief warm period. The
 SO4(2-) ion appears to be significant in causing increased
 sensitivity to frost and in causing stomatal insensitivity to
 light flux density.
 
 
 71                                  NAL Call. No.: QH540.J6
 Atmosphere X canopy interactions in nitric acid vapor in loblolly
 pine grown in open-top chambers.
 Taylor, G.E. Jr; Owens, J.G.; Grizzard, T.; Selvidge, W.J.
 Madison, Wis. : American Society of Agronomy; 1992 Jan.
 Journal of environmental quality v. 22 (1): p. 70-80; 1992 Jan. 
 Includes references.
 
 Language:  English
 
 Descriptors: Pinus taeda; Seedlings; Experimental equipment;
 Research; Air pollution; Ozone; Nitric acid; Air pollutants;
 Nitrogen; Deposition; Plant physiology; Nutrient requirements;
 Growth; Phytotoxicity
 
 Abstract:  Many studies that address the impact of tropospheric
 O3 on agricultural and forested ecosystems utilize the open-top
 chamber. During the production of O3 using electrical discharge
 generators fed with dry air, there is an inadvertent addition of
 HNO3 vapor, a highly reactive trace gas. While several studies
 have proposed that HNO3 vapor introduces artifacts, none has
 measured concentrations of the odd-N2 trace gas in the chamber or
 investigated the fate of the N in the context of whole-plant
 physiology and growth. These questions were investigated using
 open-top chambers containing seedlings of loblolly pine (Pinus
 taeda L.) during the 1988 growing season in Oak Ridge, TN. The O2
 treatments consisted of charcoal-filtered or subambient (0.96
 micromoles m-3, 24-h mean), ambient (1.62 micromoles m-3, 24-h
 mean), and elevated (2.36 micromoles m-3, 24-h mean)
 concentrations, the last being accomplished by proportional O3
 addition over the diurnal period. Measurements of the HNO3 vapor
 concentration during dry periods only (no rainfall or ground-
 level fog) averaged 28.6 nmol m-3 (subambient), 55.4 nmol m-3
 (ambient air), and 240.0 nmol m-3 (elevated O3), an 8.4-fold
 range. For every 100 mol of O3 added to the chamber, 28 mol of
 HNO3 vapor were inadvertently added; this ratio is several times
 higher than that previously reported. This result, taken with
 published estimates of leaf conductance to HNO3 vapor, indicates
 a maximum N deposition in the form of HNO3 vapor ranging from
 19.5 pmol N cm-2 leaf area h-1 (subambient O3) to 171.9 pmol N
 cm-2 h-1 (elevated O3). Given the nutrient content of the
 seedlings and knowledge of the fate of HNO3 vapor on the leaf
 surface and leaf interior, the degree to which N deposition via
 HNO3 vapor met the N requirements of the loblolly pine seedlings
 was estimated. Seedlings in the elevated treatment had an upper-
 limit estimate of 3.5% for the needles and 1.8% for the whole
 plant of N derived from HNO3 vapor. The concentration of HNO3 va
 
 
 72                         NAL Call. No.: TD196.A25A86 1989
 Atmospheric deposition.
 Delleur, J. W.
 International Association of Hydrological Sciences, UNESCO,
 United Nations Environment Programme, World Meteorological
 Organization, International Association of Hydrological Sciences,
 Scientific Assembly_1989 :_Baltimore, Md.)
 Wallingford, Oxfordshire, UK : International Association of
 Hydrological Sciences,; 1989.
 ix, 288 p. : ill. ; 25 cm. (IAHS-AISH publication ; no. 179.). 
 Proceedings of a symposium held during the Third Scientific
 Assembly of the International Association of Hydrological
 Sciences at Baltimore, Maryland, USA, May 1989. The symposium was
 sponsored by the United Nations Environment Programme, the United
 Nations Education, Scientific and Cultural Organization and the
 World Meteorological Organization.  Articles chiefly in English,
 one article in French.  Includes bibliographical references.
 
 Language:  English; French
 
 Descriptors: Acid deposition
 
 
 73                               NAL Call. No.: QH545.A1E52
 Atmospheric deposition and canopy exchange processes in heathland
 ecosystems. Bobbink, R.; Heil, G.W.; Raessen, M.B.A.G.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (1): p. 29-37; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Gelderland; Calluna vulgaris; Air pollution;
 Deposition; Acid deposition; Sulfur dioxide; Sulfate; Ammonia;
 Ammonium; Canopy; Leaching; Throughfall; Potassium; Calcium;
 Magnesium; Sulfur; Nitrogen; Nutrient uptake; Heathland
 
 
 74                                  NAL Call. No.: 450 J829
 Atmospheric deposition and foliar leaching in a regenerating
 southern Appalachian forest canopy.
 Potter, C.S.; Ragsdale, H.L.; Swank, W.T.
 Oxford : Blackwell Scientific; 1991 Mar.
 Journal of ecology v. 79 (1): p. 97-115; 1991 Mar.  Includes
 references.
 
 Language:  English
 
 Descriptors: North Carolina; Forest trees; Broadleaved deciduous
 forests; Canopy; Leaves; Mineral content; Anions; Cations;
 Leaching; Leachates; Rain; Throughfall; Stemflow; Deposition;
 Acid deposition; Acid rain; Ion exchange
 
 Abstract:  Incident precipitation, throughfall and stemflow were
 collected to examine the importance of factors potentially
 determining net canopy element fluxes, and to quantify canopy
 exchange and dry deposition rates in a regenerating southern
 Appalachian forest. Net throughfall fluxes (throughfall minus
 precipitation transfers) showed consistent canopy effects on
 rainfall chemistry, with SO4(2-), PO4(3-), Cl(-), K(+), Ca(2+)
 and Mg(2+) added to rainfall by foliage, whereas NO3(-)-N,
 NH4(+)-N and H(+) ions were absorbed from precipitation. Storm
 characteristics (event amount and duration) accounted for the
 largest portion of the variability in growing season net
 throughfall fluxes, suggesting that canopy exchange was the major
 mechanism of throughfall transfer. Stemflow fluxes increased
 canopy exchange rates of SO4(2-), PO4(3-), Cl(-), K(+), and
 Mg(2+) by greater than 20% in a regression model of total below-
 canopy element fluxes. Cation leaching fluxes were highly
 variable (C.V. > 50%) over spatial scales of several m2, but
 could be explained largely by heterogeneity in canopy cover.
 Foliar cation leaching losses in the early successional forest
 accounted for 4-13% of leaf nutrient reserves. As cation
 throughfall transfers were highest during storms with the
 greatest hydrogen ion uptake from rainwater, it is hypothesized
 that acid precipitation is causing accelerated foliar nutrient
 leaching in south-eastern hardwood forests.
 

 75                           NAL Call. No.: QH540.E288 v.91
 Atmospheric deposition and forest nutrient cycling a synthesis of
 the integrated forest study.
 Johnson, D. W._1946-; Lindberg, Steven E.
 New York : Springer-Verlag,; 1992.
 xix, 707 p. : ill. ; 25 cm. (Ecological studies ; . 91). 
 Includes bibliographical references and index.
 
 Language:  English
 
 Descriptors: Forest ecology; Acid deposition; Mineral cycle
 (Biogeochemistry)
 
 
 76                                NAL Call. No.: QH540.E288
 Atmospheric deposition and forest nutrient cycling. A synthesis
 of the integrated forest study: Introduction.
 Johnson, D.W.; Lindberg, S.E.; Pitelka, L.F.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 1-7; 1992. 
 In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Ontario; Washington; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution; Acid
 deposition; Deposition; Forests; Forest soils; Acidification;
 Cycling; Research projects
 
 
 77                                NAL Call. No.: QH540.E288
 Atmospheric deposition and pollutant exposure of eastern U.S.
 forests. Mohnen, V.A.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 96: p. 54-124;
 1992.  In the series analytic: Ecology and decline of red spruce
 in the Eastern United States / edited by C. Eagar and M.B. Adams. 
 Literature review.  Includes references.
 
 Language:  English
 
 Descriptors: Northeastern states of U.S.A.; Appalachian states of
 U.S.A.; Coniferous forests; Picea rubens; Abies; Air pollution;
 Deposition; Acid deposition; Air pollutants; Clouds; Literature
 reviews
 
 
 78                                NAL Call. No.: QH540.E288
 Atmospheric deposition effects on foliar injury and foliar
 leaching in red spruce.
 Schier, G.A.; Jensen, K.F.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 96: p. 271-294;
 1992.  In the series analytic: Ecology and decline of red spruce
 in the Eastern United States / edited by C. Eagar and M.B. Adams. 
 Literature review.  Includes references.
 
 Language:  English
 
 Descriptors: Picea rubens; Air pollution; Air pollutants; Acid
 deposition; Phytotoxicity; Conifer needles; Leaching; Literature
 reviews
 
 
 79                                  NAL Call. No.: QH540.S8
 Atmospheric input fluxes.
 Aalst, R.M. van; Erisman, J.W.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 239-288; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Ammonia; Air pollutants;
 Acid deposition; Acidification; Soil acidity; Phytotoxicity;
 Forests; Heathland
 
 
 80                                NAL Call. No.: QH540.E288
 Background on research sites and methods.
 Lindberg, S.E.; Johnson, D.W.; Bondietti, E.A.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 8-26; 1992. 
 In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Washington; Southeastern states of U.S.A.;
 Ontario; Northeastern states of U.S.A.; Air pollution; Acid
 deposition; Deposition; Forests; Forest soils; Acidification;
 Cycling; Research projects; Site factors; Edaphic factors;
 Environmental factors
 
 
 81                                  NAL Call. No.: QH540.S8
 Background, results and conclusions of the Dutch Priority
 Programme on Acidification.
 Heij, G.J.; Schneider, T.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 397-413; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Acidification; Acid deposition; Air
 pollution; Sulfur dioxide; Animal wastes; Ammonia; Emission;
 Forests; Decline; Phytotoxicity; Environmental policy; Forest
 soils; Research projects
 
 
 82                                  NAL Call. No.: QH540.S8
 Base content in soil and problems arising in connection with
 acidification. Werner, L.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 349-356; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Thuringia; Acidification; Air pollution; Soil
 pollution; Acid deposition; Simulation models; Soil acidity;
 Exchangeable cations; Buffering capacity; Mapping
 
 
 83                       NAL Call. No.: Z5862.2.A26S28 1990 A
 bibliography of Swedish acidification literature 1986-1989.
 Saven, Ingegard
 Sweden, Statens naturvardsverk
 Solna : Swedish Environmental Protection Agency,; 1990.
 63 p. ; 25 cm. (Rapport (Sweden. Statens naturvardsverk) ;
 3784.).
 
 Language:  English
 
 Descriptors: Acidification; Acid rain
 
 
 84                                 NAL Call. No.: QK475.T74
 Biochemical composition of loblolly pine reflects pollutant
 exposure. Friend, A.L.; Tomlinson, P.T.; Dickson, R.E.; O'Neil,
 E.G.; Edwards, N.T.; Taylor, G.E. Jr
 Victoria, B.C. : Heron Publishing; 1992 Jul.
 Tree physiology v. 11 (1): p. 35-47; 1992 Jul.  Includes
 references.
 
 Language:  English
 
 Descriptors: Tennessee; Pinus taeda; Pine needles; Chemical
 composition; Ozone; Acid rain; Magnesium; Mineral deficiencies;
 Growth; Photosynthesis; Net assimilation rate; Pollution
 
 Abstract:  Under experimental conditions, the growth of loblolly
 pine (Pinus taeda L.) is often responsive to ozone at near-
 ambient concentrations. However, little is known of the
 biochemical changes associated with this or other pollutants.
 Loblolly pine seedlings in open-top chambers were exposed to
 combinations of ozone (sub-ambient, ambient, or twice-ambient),
 acidic precipitation (pH 3.8 or pH 5.2) and soil magnesium (0.15
 or 0.32 microgram g-1 exchangeable Mg) for three growing seasons.
 The effects of these treatments were greater in foliage than in
 stems or roots. The largest treatment effect was a 50% decrease
 in the starch concentration of current-year foliage from the
 twice-ambient ozone treatment compared with current-year foliage
 from the sub-ambient ozone treatment. Responses to ozone were
 consistent with the hypothesis that ozone-induced growth
 reductions are associated with depletion of carbohydrate reserves
 resulting from injury compensation and repair processes or
 reduced carbon fixation or both. Addition of acidic
 precipitation, and to a small extent Mg, decreased sugar
 concentrations of tissues; however, this effect appeared to be
 mediated by nutrient addition rather than by acidity per se.
 Given the role of carbohydrates in plant resistance to
 environmental stress, the sensitivity of carbohydrates to
 experimental treatments demonstrates the potential for indirect
 effects of ozone, acidic precipitation, and soil properties on
 stress resistance. Non-carbohydrate constituents were largely
 unresponsive to the experimental treatments. These findings imply
 that tissue carbohydrate analysis may be useful for assessing the
 impacts of pollutants in forest ecosystems.
 
 
 85                                NAL Call. No.: SB745.4.I7
 Biochemical transformations in two plant/soil systems exposed to
 simulated acidic precipitation.
 Irving, Patricia M.
 Argonne, Ill. : Argonne National Laboratory, [1985?]; 1985,
 reprinted 1986. 18 p., [5] p. of plates : ill.  Caption title. 
 DE86 004040.  CONF-8509211--1.  Includes bibliographical
 references (p. 14-16).
 
 Language:  English
 
 Descriptors: Soils; Plants, Effect of soil acidity on
 
 
 86                                  NAL Call. No.: QH540.S8
 Biological and physiological effects.
 Posthumus, A.C.; Jansen, A.E.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 353-385; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Pseudotsuga menziesii; Air pollution;
 Air pollutants; Phytotoxicity; Conifer needles; Photosynthesis;
 Acid deposition; Acidification; Soil acidity; Nutrient uptake
 
 
 87                                  NAL Call. No.: QH540.J6 A
 branch exposure chamber for fumigating ponderosa pine to
 atmospheric pollution.
 Houpis, J.L.J.; Costella, M.P.; Cowles, S.
 Madison, Wis. : American Society of Agronomy; 1991 Apr.
 Journal of environmental quality v. 20 (2): p. 467-474; 1991 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Pinus ponderosa; Branches; Maturity stage; Growth
 chambers; Design; Acid rain; Ozone; Stress response; Measurement
 
 Abstract:  The investigation of the effects of atmospheric
 pollution on metabolism and growth of woody species has long been
 hampered by the very difficult task of exposing mature
 individuals to controlled environments of air pollutants. This
 paper describes the design, construction, and testing of an
 alternative tool to whole-tree enclosures for measuring pollution
 response in mature woody tissue. The chamber is a new design,
 though not a new concept, and is referred to as a branch exposure
 chamber. Designed primarily for ozone and acid precipitation
 exposures (and used additionally for CO2 measurements), the
 branch exposure chamber incorporates four major parts: support
 structure, fan-air supply unit, charcoal filter unit, and
 exposure chamber. The exposure chamber is a 1.5-m long by 0.7-m
 diam. cylinder. The chamber is constructed of Teflon sheeting
 stretched over an aluminum frame; the aluminum frame is totally
 wrapped with nonreactive, aluminum-backed Teflon tape. Three
 zones in the chamber affect exposure of the experimental tissue:
 an initial buffer region for mixing, a main exposure region, and
 an exhaust frustrum. Aerodynamic testing of the chamber-mixing
 characteristics show that mixing is uniform and complete within
 the main exposure region. Thermal buildup within the chamber was
 a maximum of 3 degrees C under a wide range of ambient
 meteorological conditions. Based on current field trials of the
 chamber, material deterioration due to environmental variables
 (e.g., ultraviolet radiation, heat oxidants), is not expected to
 affect operation of the chamber for 24 mo. The BEC is inexpensive
 to build and operate, and represents a viable alternative to a
 whole-tree chamber.
 
 
 88                    NAL Call. No.: VtUGB857.3.C36B76 1986
 Brown waters relative importance of external and internal sources
 of acidification on catchment biota : review of existing
 knowledge. Jones, Michael L.
 Canada, Federal LRTAP Liaison Office, Environmental and Social
 Systems Analysts Ltd
 Toronto : ESSA Environmental and Social Analysts Ltd.,; 1986. xi,
 85 p. ; 28 cm. (LRTAP Workshop / Canada, Federal LRTAP Liaison
 Office ; No.5).  March 1986.  Available in CD-ROM as part of Acid
 rain: Canadian Government Documents prepared by the Acid Rain
 Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).  Bibliography: p. 72-85.
 
 Language:  English; English
 
 Descriptors: Acid pollution of rivers, lakes, etc; Acid
 precipitation (Meteorology)
 
 
 89                                NAL Call. No.: 99.8 F7632
 Carryover effects of acid rain and ozone on the physiology of
 multiple flushes of loblolly pine seedlings.
 Sasek, T.W.; Richardson, C.J.; Fendick, E.A.; Bevington, S.R.;
 Kress, L.W. Bethesda, Md. : Society of American Foresters; 1991
 Sep.
 Forest science v. 37 (4): p. 1078-1098; 1991 Sep.  Includes
 references.
 
 Language:  English
 
 Descriptors: North Carolina; Pinus taeda; Seedlings; Acid rain;
 Ozone; Photosynthesis; Chlorophyll; Carotenoids; Leaf
 conductance; Stomata
 
 Abstract:  The effects of acid rain and ozone exposure on
 loblolly pine (Pinus taeda L.) seedlings in the Piedmont of North
 Carolina were assessed over two exposure seasons (1987-1988).
 Direct effects and carryover effects of long-term exposure on the
 photosynthetic potential and photopigment concentrations of
 different needle age-classes were studied. Three half-sib
 families were grown in open-top field chambers and exposed to two
 acid rain treatments (pH 5.3 or 3.3) and five ozone exposures
 delivered in proportion to ambient concentrations (0.5X to 3.0X
 ambient) in a complete factorial design. Ozone significantly
 affected photosynthesis but there were no statistically
 significant effects of acid rain nor any ozone X acid rain
 interactions. In 1987, photosynthesis of the 1987 first-flush
 progressively diverged among the ozone treatments except between
 charcoal-filtered (CF approximately 0.5X ambient) and nonfiltered
 air (NF). At the end of the first season, photosynthesis was
 reduced 24% at 1.5X compared to CF and more than 80% at 2.25X and
 3.0X. Chlorophyll and carotenoid concentrations were similarly
 reduced at elevated ozone exposures. In 1988, photosynthesis of
 the 1987 first-flush in the elevated ozone treatments remained
 lower. Early in the second season, the 1988 first-flush had a 25%
 to 50% lower photosynthetic potential at 2.25X and 3.0X compared
 to CF. This carryover effect on the photosynthetic potential
 before significant cumulative exposure was progressively smaller
 in the later 1988 flushes. In the late season flushes in the
 highest ozone treatments, photosynthesis was significantly higher
 than in the lower ozone treatments.
 

 90                               NAL Call. No.: QH545.A1E52
 Catchment acidification--from the top down.
 Matschullat, J.; Andreae, H.; Lessmann, D.; Malessa, V.; Siewers,
 U. Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 77 (2/3): p. 143-150; 1992.  In the
 special issue: Effects of acidic pollutants on the chemistry of
 freshwater streams and lakes / edited by R. Harriman. Paper
 presented at the "Fourth International Conference on Acidic
 Deposition: Its Nature and Impacts," September 16-21, 1990,
 Glasgow, Scotland.  Includes references.
 
 Language:  English
 
 Descriptors: Lower saxony; Acid deposition; Acidification; Soil
 pollution; Forest soils; Watersheds; Soil acidity; Pollutants;
 Air pollution; Profiles; Buffering capacity; Water quality;
 Streams; Mountain areas; Cation exchange capacity
 
 
 91                                  NAL Call. No.: SD13.C35
 Cation and anion fluxes in northern hardwood throughfall along an
 acidic deposition gradient.
 Liechty, H.O.; Mroz, G.D.; Reed, D.D.
 Ottawa, Ont. : National Research Council of Canada; 1993 Mar.
 Canadian journal of forest research; Revue canadienne de
 recherche forestiere v. 23 (3): p. 457-467; 1993 Mar.  Includes
 references.
 
 Language:  English
 
 Descriptors: Minnesota; Michigan; Wisconsin; Acid deposition;
 Anions; Cations; Throughfall; Acid rain; Hardwoods
 
 Abstract:  Ionic concentrations and fluxes were measured for 2
 years in five northern hardwood stands along an acidic deposition
 gradient that extends from northern Minnesota (lowest deposition)
 to southeastern Michigan (highest deposition). Precipitation
 fluxes of H+, SO4(2-), and NO3- were, respectively, 340, 69, and
 83% greater at the site with the highest deposition than at the
 site with the lowest deposition. No significant differences among
 sites were evident for precipitation fluxes of cations along the
 gradient. Fluxes of H+, SO4(2-), NO3-, Ca2+, and Mg2+ in
 throughfall increased along the gradient and were positively
 correlated with increased atmospheric inputs of H+, SO4(2-), and
 NO3- measured at the sites. Fluxes of SO4(2-) and NO3- in
 throughfall were greater than precipitation fluxes, indicating
 dry deposition in excess of any assimilation of these anions from
 precipitation. Dry deposition inputs of SO4(2-) increased from
 the northwestern to southeastern sites and were estimated to
 range from 23 to 49% of precipitation inputs. Precipitation
 acidity was neutralized by the canopy in all stands, but the
 amount of H+ retained by the canopy was significantly greater at
 sites with the greatest precipitation acidity. Throughfall fluxes
 of Ca2+ and Mg2+ in excess of precipitation fluxes were
 positively correlated with the canopy retention and deposition of
 H+ along the gradient. Increased throughfall fluxes of these
 cations were consistent with hypothesized increases in canopy
 leaching of cations with increased acidic deposition. Increased
 canopy leaching of Ca2+ and Mg2+, resulting from elevated acidic
 deposition, was estimated to represent as much as 6.2 and 12.9%
 of foliar contents of these cations, respectively. Although HCO3-
 and organic anions were found to play an important role in
 maintaining electroneutrality in throughfall along the gradient,
 strong acid anions increasingly dominated anionic composition of
 throughfall with increasing acidic deposition.
 
 
 92                                NAL Call. No.: QH540.E288
 Cation exchange and Al mobilization in soils. Evidence of
 historical influences of acidic deposition on wood and soil
 chemistry. Bondietti, E.A.; McLaughlin, S.B.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 358-377;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution; Acid
 deposition; Sulfur dioxide; Nitrogen dioxide; Calcium ions;
 Magnesium; Acidification; Ion uptake; Growth rings; Forest trees;
 Mineral content; Research projects; Forest soils
 
 
 93                                NAL Call. No.: TD420.A1E5 A
 century of acid rain.
 Rose, J.
 Washington, D.C. : American Chemical Society; 1993 Dec.
 Environmental science & technology v. 27 (13): p. 2627; 1993 Dec. 
 Includes references.
 
 Language:  English
 
 Descriptors: Europe; Cabt; Acid rain; Air pollution; Sulfur
 dioxide
 
 
 94                                  NAL Call. No.: S590.C63
 Changes in bulk precipitation reactivity throughout the
 vegetation/soil continuum in a trachpogon savanna (Venezuela).
 Montes, R.; San Jose, J.J.
 New York, N.Y. : Marcel Dekker; 1992.
 Communications in soil science and plant analysis v. 23 (15/16):
 p. 1753-1766; 1992.  Includes references.
 
 Language:  English
 
 Descriptors: Venezuela; Trachypogon; Axonopus; Savannas; Woodland
 grasslands; Canopy; Comparisons; Throughfall; Stemflow; Soil
 water movement; Savanna soils; Ph; Hydrogen ions; Chemical
 reactions; Acid rain; Buffering capacity; Cation exchange
 
 
 95                               NAL Call. No.: QH545.A1E52
 Changes in trace metal concentrations in lake water and biota
 during experimental acidification of Little Rock Lake, Wisconsin,
 USA. King, S.O.; Mach, C.E.; Brezonik, P.L.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 78 (1/3): p. 9-18; 1992.  In the
 special issue: Effects of acidic pollutants on freshwater plants
 and animals / edited by B. Morrison. Paper presented at the
 "Fourth International Conference on Acidic Deposition: Its Nature
 and Impacts," September 16-21, 1990, Glasgow, Scotland.  Includes
 references.
 
 Language:  English
 
 Descriptors: Wisconsin; Algae; Trace elements; Heavy metals;
 Mineral content; Acidification; Water quality; Lakes; Chemical
 speciation; Mobilization; Ph; Water pollution; Acid deposition
 
 
 96                                  NAL Call. No.: SD13.C35
 Changing carbohydrate profiles in shortleaf pine (Pinus echinata)
 after prolonged exposure to acid rain and ozone.
 Paynter, V.A.; Reardon, J.C.; Shelburne, V.B.
 Ottawa, Ont. : National Research Council of Canada; 1992 Oct.
 Canadian journal of forest research; Revue canadienne de
 recherche forestiere v. 22 (10): p. 1556-1561; 1992 Oct. 
 Includes references.
 
 Language:  English
 
 Descriptors: Pinus echinata; Acid rain; Ozone; Pine needles;
 Foliar diagnosis; Glucose; Sucrose; Reducing sugars; Starch;
 Dosage effects
 
 Abstract:  Shortleaf pine (Pinus echinata Mill.) seedlings grown
 in open-top chambers were exposed to several combinations of
 ozone (near zero, ambient, 1.7 X ambient, or 2.5 X ambient) in
 conjunction with acid rain (pH 3.3, 4.3, or 5.3) starting in
 August 1988. Needle samples from the first (89-1) and third
 (89-3) flushes of the 1989 growing season were analyzed for their
 glucose, sucrose, total reducing sugars, and starch contents. For
 the 89-1 flush (current-year needles), no differences in glucose,
 sucrose, or starch contents were observed among the various ozone
 exposures during 1989. However, needles exposed to 2.5 X ambient
 ozone exhibited higher levels of total reducing sugars compared
 with other ozone exposures for most of 1989. High H+
 concentration (pH 3.3) increased glucose content (compared with
 pH 4.3 or 5.3) in the September sampling only. No significant
 differences were observed among ozone treatments for the total
 reducing sugars, glucose, or starch contents of the 89-3 flush
 (previous-year needles) for most of the sampling periods in 1990.
 However, the sucrose content was lower in needles receiving 2.5 X
 ambient ozone compared with other ozone exposures. Although high
 H+ concentration (pH 3.3) appeared to affect some carbohydrate
 components, there was no general trend observed.
 
 
 97                     NAL Call. No.: VtUTD883.7.C2R82 1981
 Characteristics of terrestrial ecosystems impinged by acid
 precipitation across Canada = Les caracteristiques des
 ecosystemes terrestres touchees par les precipitations acides au
 Canada..  Les caracteristiques des ecosystemes terrestres
 touchees par les precipitations acides au Canada Rubec, C. D. A.
 Canada, Lands Directorate
 Ottawa : Lands Directorate, Environment Canada ; Hull, Que. :
 [available from] Canadian Govt. Pub. Centre, Supply and Services
 Canada,; 1981. vii, 30 p. ; 28 cm. (Working paper (Canada. Lands
 Directorate) ; no. 19.). Includes errata.  Abstract in English
 and French.  December 1981. Bibliography: p. 28.
 
 Language:  English; English
 
 Descriptors: Acid rain; Acid precipitation (Meteorology)
 
 
 98                        NAL Call. No.: SD418.3.U6L43 1985
 The characterization of ozone and sulfur dioxide exposures near
 some United States national forests.
 Lefohn, Allen S.; Davis, Carla E.; Benedict, Harris Miller,
 American Petroleum Institute, Health and Environmental Sciences
 Dept, A.S.L. & Associates
 Washington, D.C. : American Petroleum Institute,; 1985.
 1 v. (various pagings) : ill. ; 28 cm. (Publication (American
 Petroleum Institute) ; no. 4417.).  A.S.L. & Associates. 
 November 12, 1985.  "Health and Environmental Sciences
 Department"--Cover.  Bibliography: p. R-1.
 
 Language:  English
 
 Descriptors: Sulphur dioxide; Ozone; Forest reserves; Acid rain
 
 
 99                     NAL Call. No.: GB701.W375 no.88-4035
 Chemical budgets and stream-chemistry dynamics of a headwater
 stream in the Catskill Mountains of New York, 1984-85 October 1,
 1983 through September 30, 1985..  Chemical budgets and stream
 chemistry dynamics of a headwater stream in the Catskill
 Mountains Chemical budgets and stream chemistry dynamics of a
 headwater stream in the Catskill Mountains of New York, October
 1, 1983 through September 30, 1985
 Murdoch, Peter S.
 Geological Survey (U.S.),United States, Environmental Protection
 Agency Albany, N.Y. : Dept. of the Interior, U.S. Geological
 Survey ; Denver, CO : Books and Open-File Reports [distributor],
 1991 [i.e.; 1992; I 19.42/4:88-4035.
 vii, 66 p. : ill., map ; 28 cm. (Water-resources investigations
 report ; 88-4035).  Cover title: Chemical budgets and stream-
 chemistry dynamics of a headwater stream in the Catskill
 Mountains of New York, October 1, 1983 through September 30,
 1985.  Includes bibliographical references (p. 39-42).
 
 Language:  English
 
 Descriptors: Water quality; Streamflow; Acid precipitation
 (Meteorology)
 
 
 100                                NAL Call. No.: 56.8 J823
 Chemical changes in decomposing forest litter in response to
 atmospheric sulphur dioxide.
 Wookey, P.A.; Ineson, P.
 Oxford : Blackwell Scientific Publications; 1991 Dec.
 The Journal of soil science v. 42 (4): p. 615-628; 1991 Dec. 
 Includes references.
 
 Language:  English
 
 Descriptors: Europe; Pinus sylvestris; Deciduous forests; Mixed
 forests; Forest litter; Pine needles; Leaves; Decomposition; Soil
 organic matter; Chemical composition; Leachates; Acidification;
 Sulfur dioxide; Acid deposition; Soil pollution; Magnesium;
 Calcium; Losses from soil
 
 Abstract:  Decomposing needle and leaf litter, from a pine (Pinus
 sylvestris L.) stand and a mixed deciduous woodland,
 respectively, were exposed to arithmetic mean SO2 concentrations
 of up to 50 nl l-1 (mm3 m-3) in controlled field-based
 experiments lasting up to 215 d. The objectives of the study
 were: (1) to evaluate whether SO2 concentrations, known to occur
 in parts of Europe, could alter the chemical composition of
 forest litter and leachates, and (2) to use such information to
 complement results obtained during microbiological studies
 (Wookey et al., 1991). Dry deposition of SO2 on the litter
 resulted in the production of sulphate during damp conditions or
 when the litter was moist. The formation of SO4(-2) and
 associated H+ ions led to cation exchange processes whereby Mg2+
 and Ca2+ in particular were leached from the litter. This
 resulted in significant (P < 0.01) depletion of magnesium and
 calcium in both litter types, even at the lowest SO2
 concentrations tested (15 nl l-1). Incomplete buffering by base
 cations resulted in acidification of leachates. The magnitude of
 cation leaching and depletion within the litter was not always
 linearly related to SO2 or leachate SO4(-2) concentrations, and
 the role of microbial processes and litter quality as modifiers
 of such responses is considered.
 
 
 101                              NAL Call. No.: QH545.A1E52
 Chemical climatology of high elevation spruce-fir forests in the
 southern Appalachian mountains.
 Aneja, V.P.; Robarge, W.P.; Claiborn, C.S.; Murthy, A.; Soo-Kim,
 D.; Li, Z. Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (1): p. 89-96; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: North Carolina; Abies fraseri; Picea; Coniferous
 forests; Air pollution; Acid deposition; Sulfate; Nitrate; Ozone;
 Acidity; Water vapor; Clouds; Fog; Mists; High altitude;
 Mountains; Climatology; Meteorology
 
 
 102                       NAL Call. No.: VtUS593.5.W36 1981
 Classes de sensibilite des terres agricoles a l'action prolongee
 des precipitations acides dans l'est du Canada  [Levels of
 sensitivity of agricultural land to the prolonged action of acid
 rain in eastern Canada]. Wang, C.; Coote, D. R.
 Canada,Agriculture Canada, Research Branch
 Ottawa : Direction generale de la recherche, Agriculture Canada,;
 1981. 12 leaves : ill. ; 28 cm. + 1 map (col. ; 46 x 72 cm.).
 (Communication (Institut de recherches sur les terres) ; no.98.). 
 Map folded to 16 x 24 cm. and inserted in pocket inside back
 cover.  Bibliography: leaves 11-12.
 
 Language:  French
 
 Descriptors: Soil acidification; Acid precipitation (Meteorology)
 
 
 103                               NAL Call. No.: HC110.A4D8
 CO2 and SO2 consistent policy making in a greenhouse.
 Dudek, Daniel; LeBlanc, Alice M.; Miller, Peter
 Environmental Defense Fund
 New York, N.Y. : Environmental Defense Fund,; 1990.
 31 leaves : ill., map ; 28 cm.  January 1990.  Includes
 bibliographical references (leaves 27-28).
 
 Language:  English
 
 Descriptors: Ai r; Environmental policy; Greenhouse effect,
 Atmospheric; Acid rain
 
 
 104                                  NAL Call. No.: 450 R11
 CO2 exchange rates of red spruce during the second season of
 exposure to ozone and acidic cloud deposition.
 Pier, P.A.; Thornton, F.C.; McDuffie, C. Jr; Hanson, P.J. Oxford
 : Pergamon Journals; 1992 Apr.
 Environmental and experimental botany v. 32 (2): p. 115-124; 1992
 Apr. Includes references.
 
 Language:  English
 
 Descriptors: Virginia; Picea rubens; Ozone; Air pollution; Acid
 deposition; Phytotoxicity; Photosynthesis; Carbon dioxide; Gas
 exchange; Clouds; Mists; Seasonal variation; Respiration;
 Mountains; Seedlings; Growth chambers; Chlorophyll; Carotenoids;
 Conifer needles
 

 105                                 NAL Call. No.: S601.A34
 Comarative evaluation of the effects of gaseous pollutants,
 acidic deposition and mineral deficiencies: structural changes in
 the cells of forest plants. Holopainen, T.; Anttonen, S.; Wulff,
 A.; Palomaki, V.; Karenlampi, L. Amsterdam : Elsevier; 1992 Nov.
 Agriculture, ecosystems and environment v. 42 (3/4): p. 365-398;
 1992 Nov.  In the special issue: Physiology of plant responses to
 pollutants / edited by L. Skarby and S. Fink. Papers presented at
 the conference on "Acidic Deposition-Its Nature and Impacts,"
 September, 1990, Glasgow, U.K.  Includes references.
 
 Language:  English
 
 Descriptors: Forests; Vegetation; Cell ultrastructure; Injuries;
 Symptoms; Air pollutants; Acid deposition; Mineral deficiencies;
 Reviews
 
 
 106                                 NAL Call. No.: HM208.E5
 Common threads: Research lessons from acid rain, ozone depletion,
 and global warming.
 Kowalok, M.E.
 Washington, D.C. : Heldref Publications; 1993 Jul.
 Environment v. 35 (6): p. 12-20, 35-38; 1993 Jul.  Includes
 references.
 
 Language:  English
 
 Descriptors: U.S.A.; Cabt; Research policy; Environmental
 assessment; Global warming; Greenhouse effect; Acid rain; Ozone
 
 
 107                        NAL Call. No.: VtUTD881.C65 1985
 Communications presentees par le Ministere de l'environnement du
 Quebec au symposium international sur les precipitations acides
 Muskoka '85  [Speech presented by the Minister of the Environment
 of Quebec at an international symposium on acid rain].
 Quebec (Province), Ministere de l'Environnement, Quebec
 (Province), Direction des releves aquatiques
 International Symposium on Acidic Precipitation 1985 : Muskoka,
 Ont. Sainte-Foy : Ministere de l'Environnement du Quebec,
 Direction des releves aquatiques,; 1985.
 v, 15, 30 p. : ill. ; 28 cm. (PA (Quebec (Province). Ministere de
 l'environnement) ; 20.).  December 1985.  Envirodoq 850745. 
 Bibliography: p. 2/27-2/30.
 
 Language:  French
 
 Descriptors: Acid precipitation (Meteorology); Air
 
 
 108                                 NAL Call. No.: S601.A34
 Comparative evaluation of the effects of gaseous pollutants,
 acidic deposition and mineral deficiencies on gas exchange of
 trees.
 Freer-Smith, P.H.; Taylor, G.
 Amsterdam : Elsevier; 1992 Nov.
 Agriculture, ecosystems and environment v. 42 (3/4): p. 321-332;
 1992 Nov.  In the special issue: Physiology of plant responses to
 pollutants / edited by L. Skarby and S. Fink. Papers presented at
 the conference on "Acidic Deposition-Its Nature and Impacts,"
 September, 1990, Glasgow, U.K.  Includes references.
 
 Language:  English
 
 Descriptors: Forest trees; Gas exchange; Air pollutants; Acid
 deposition; Mineral deficiencies; Stomatal resistance;
 Photosynthesis; Reviews
 
 
 109                                 NAL Call. No.: S601.A34
 Comparative evaluation of the effects of gaseous pollutants,
 acidic deposition, and mineral deficiencies on the carbohydrate
 metabolism of trees. Hampp, R.
 Amsterdam : Elsevier; 1992 Nov.
 Agriculture, ecosystems and environment v. 42 (3/4): p. 333-364;
 1992 Nov.  In the special issue: Physiology of plant responses to
 pollutants / edited by L. Skarby and S. Fink. Papers presented at
 the conference on "Acidic Deposition-Its Nature and Impacts,"
 September, 1990, Glasgow, U.K.  Includes references.
 
 Language:  English
 
 Descriptors: Trees; Carbohydrate metabolism; Air pollutants; Acid
 deposition; Mineral deficiencies; Reviews
 
 
 110                              NAL Call. No.: QH545.A1E52
 Comparative impacts of forest harvest and acid precipitation on
 soil and streamwater acidity.
 Hornbeck, J.W.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 77 (2/3): p. 151-155; 1992.  In the
 special issue: Effects of acidic pollutants on the chemistry of
 freshwater streams and lakes / edited by R. Harriman. Paper
 presented at the "Fourth International Conference on Acidic
 Deposition: Its Nature and Impacts," September 16-21, 1990,
 Glasgow, Scotland.  Includes references.
 
 Language:  English
 
 Descriptors: New Hampshire; Acid rain; Acid deposition; Whole
 tree logging; Soil ph; Soil acidity; Forest soils; Coniferous
 forests; Watersheds; Weathering; Hydrogen ions; Acidification;
 Streams; Ph
 
 
 111                                NAL Call. No.: S631.F422
 Comparative responses of annual pasture legume species to
 superphosphate applications in medium and high rainfall areas of
 Western Australia. Bolland, M.D.A.; Paynter, B.H.
 Dordrecht : Kluwer Academic Publishers; 1992 Jan.
 Fertilizer research : an international journal on fertilizer use
 and technology v. 31 (1): p. 21-33; 1992 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: Western australia; Trifolium subterraneum;
 Ornithopus; Ornithopus compressus; Ornithopus perpusillus;
 Medicago; Medicago polymorpha; Cultivars; Strains; Phosphorus;
 Nutrient requirements; Comparisons; Species differences;
 Superphosphate; Double superphosphate; Application rates; Use
 efficiency; Crop yield; Seeds; Dry matter accumulation; Herbage;
 Nutrient content; Nutrient uptake; Rain; Soil ph
 
 Abstract:  The comparative phosphorus (P) requirement of
 different annual pasture legume species was measured in seven
 field experiments in south-western Australia. Superphosphate was
 applied once only, at the start of each experiment. The duration
 of the experiments was from one to three years. The amount of P
 required to produce 90% of the maximum yield of each legume was
 used to estimate the comparative P requirements of the legumes at
 each harvest. Ornithopus spp. (O. compressus, O. perpusillus and
 O. pinnatus) required less P than Trifolium subterraneum, the
 most widely sown pasture legume in Western Australia. The P
 requirements of Medicago polymorpha varied with soil type when
 compared to that of T. subterraneum, M. polymorpha required less
 P on a soil with a neutral pH value, but had a similar P
 requirement on a more acidic soil. M. murex, generally required
 more P than T. subterraneum. In some experiments, the comparative
 P requirement of the different legumes varied for different
 harvests. At each harvest in each experiment, the relationship
 between yield and P concentration in tissue (internal efficiency
 curves) usually differed for different legumes. Presumably
 different legumes take up P from the soil at different rates
 within each harvest, and utilize the absorbed P differently to
 produce herbage and seed. The exceptions were that similar
 internal efficiency curves were measured for O. compressus and T.
 subterraneum in one experiment, and three cultivars of O.
 compressus in another experiment.
 
 
 112                              NAL Call. No.: QH545.A1E52
 Comparison and significance of annual hydrochemical budgets in
 three small granitic catchments with contrasting vegetation
 (Mont-Lozere, France). Durand, P.; Lelong, F.; Neal, C.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (2): p. 223-228; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: France; Fagus sylvatica; Picea abies; Nardus
 stricta; Air pollution; Acid deposition; Air pollutants;
 Deposition; Geochemistry; Cations; Anions; Sulfate; Nitrate;
 Weathering; Watersheds; Clearcutting; Forests; Catchment
 hydrology; Grasslands
 
 
 113                               NAL Call. No.: S539.5.J68
 Comparison of net returns under alternative tillage systems
 considering spatial weather variability.
 Featherstone, A.M.; Fletcher, J.J.; Dale, R.F.; Sinclair, H.R.
 Madison, Wis. : American Society of Agronomy; 1991 Apr.
 Journal of production agriculture v. 4 (2): p. 166-173; 1991 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Indiana; Tillage; Conservation tillage; Ridging;
 No-tillage; Rotations; Zea mays; Water stress; Precipitation;
 Soil types; Crop yield; Returns; Costs; Farming systems research;
 Mathematical models; Comparisons
 
 
 114                                 NAL Call. No.: QH540.S8 A
 comparison of some national assessments.
 Nilsson, J.; Cowling, E.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 463-517; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Europe; Canada; U.S.A.; Acidification; Acid
 deposition; Air pollution; Forest damage; Forest soils; Soil
 pollution; Environmental policy
 
 
 115                  NAL Call. No.: VtUFich E1.99 BNL-36881
 Comparison of yields of several cultivars of field-grown soybeans
 exposed to simulated acidic rainfalls Lance S. Evans, Keith F.
 Lewin, and George R. Hendry.
 Evans, Lance S.; Lewin, Keith F.; Hendry, George R.
 Brookhaven National Laboratory, Dept. of Applied Science,
 National Acid Precipitation Assessment Program (U.S.)
 Upton, N.Y. : Dept. of Applied Science, Brookhaven National
 Laboratory,; 1985; E1.99.
 9 p..  Prepared for presentation at the NAPAP Review Meeting,
 Brookhaven National Laboratory, Upton, New York ...  February
 1985.  DE86 560303. EDB-560303.  Bibliography: p. 4-6.
 
 Language:  English
 
 Descriptors: Soybean
 
 
 116                                 NAL Call. No.: S590.C63
 Comparison on high performance liquid chromatography and
 enzymatic analysis of soluble carbohydrates in loblolly pine.
 Faulkner, P.L.; Schoeneberger, M.M.; Ludovici, K.H.
 New York, N.Y. : Marcel Dekker; 1993.
 Communications in soil science and plant analysis v. 24 (1/2): p.
 149-160; 1993.  Includes references.
 
 Language:  English
 
 Descriptors: Pinus taeda; Seedlings; Plant analysis; Hplc;
 Enzymes; Assays; Comparisons; Carbohydrates; Solubility; Ozone;
 Acid deposition
 
 
 117                    NAL Call. No.: VtUTD885.5.S8B67 1978
 Computer modelling on polluted atmospheres and the conversion of
 atmospheric sulfur dioxide to sulfuric acid final report by J.W.
 Bottenheim and O.P. Strausz.
 Bottenheim, Jan W.; Strausz, Otto P.,
 Alberta, Alberta Environment,Research Secretariat
 Edmonton? : Alberta Environment, Research Secretariat,; 1978. ix,
 144 p. : ill. ; 28 cm. (Report (Alberta. Alberta Environment.
 Research Secretariat) ; 1978/5.).  "Project.  Includes
 bibliographies.
 
 Language:  English; English
 
 Descriptors: Air; Sulphur dioxide
 
 
 118                                 NAL Call. No.: QH540.S8
 Concentration and deposition of acidigying compounds.
 Erisman, J.W.; Heij, G.J.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 51-96; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Sulfur dioxide; Nitrogen
 oxides; Ammonia; Deposition; Acid deposition; Acidification; Soil
 acidity; Acid rain
 
 
 119                               NAL Call. No.: QH540.E288
 Conclusions: discussion and synthesis.
 Abrahamsen, G.; Stuanes, A.O.; Tveite, B.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 297-331;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Forest trees; Forest
 decline; Long term experiments; Experimental plots;
 Acidification; Soil acidity; Forest plantations
 

 120                               NAL Call. No.: QH540.E288
 Conclusions: summary and conclusions.
 Abrahamsen, G.; Stuanes, A.O.; Tveite, B.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 332-335;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Forest trees; Forest
 decline; Long term experiments; Experimental plots;
 Acidification; Soil acidity; Forest plantations
 
 
 121                             NAL Call. No.: TRANSL 39160
 Contents of chlorophyll and the anti-oxidants ascorbic acid,
 glutathione and tocopherol in spruce needles (picea abies (L.)
 Karst) as a function of mineral nutrition, ozone and acid mist =
 Gehalte an Chlorophyll und den Antioxidantien Ascorbat,
 Glutathion und Tocopherol in Fichtennadeln (Picea abies (L.)
 Karst) in Abhangigkeit von Mineralstoffernahrung, Ozon und saurem
 Nebel..  Gehalte an Chlorophyll und den Antioxidantien Ascorbat,
 Glutathion und Tocopherol in Fichtennadeln (Picea abies (L.)
 Karst) in Abhangigkeit von Mineralstoffernahrung, Ozon und saurem
 Nebel
 S.l. : s.n. :; 1989.
 6 leaves ; 27 cm.  Translated from German by Amerind Publishing
 Co. (Pvt.) Ltd., New Delhi, Ag TT 89-1-0158.  Translated from:
 Forstwissenschaftliches Centralblatt, 105(4):264-267, Sept. 1986. 
 Includes bibliographical references (leaf 6).
 
 Language:  English
 
 
 122                              NAL Call. No.: QH545.A1E52
 Contribution of canopy leaching to sulphate deposition in a Scots
 pine forest. Cape, J.N.; Sheppard, L.J.; Fowler, D.; Harrison,
 A.F.; Parkinson, J.A.; Dao, P.; Paterson, I.S.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (2): p. 229-236; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Eastern scotland; Pinus sylvestris; Air pollution;
 Acid deposition; Sulfate; Sulfur dioxide; Canopy; Leaching;
 Throughfall; Stemflow; Roots; Nutrient uptake; Nutrient
 transport; Coniferous forests
 
 
 123                                 NAL Call. No.: 56.9 So3
 Controls on soil solution chemistry in a subalpine forest in
 north-central Colorado.
 Arthur, M.A.; Fahey, T.J.
 Madison, Wis. : Soil Science Society of America; 1993 Jul. Soil
 Science Society of America journal v. 57 (4): p. 1122-1130; 1993
 Jul. Includes references.
 
 Language:  English
 
 Descriptors: Colorado; Cabt; Picea engelmannii; Abies lasiocarpa;
 Subalpine forests; Forest soils; Disturbed soils; Comparisons;
 Soil solution; Soil chemistry; Meltwater; Surface water; Solutes;
 Chemical composition; Acid deposition; Weathering; Soil ph; Soil
 depth; Geochemistry; Hydrology; Disturbed land
 
 Abstract:  High-elevation ecosystems in the western USA are
 potentially susceptible to increased inputs of strong acids. A
 long-term research project was established to identify the
 processes controlling surface water chemistry and to evaluate the
 sensitivity of Loch Vale Watershed in Rocky Mountain National
 Park, Colorado, to acid precipitation. Using lysimeters, we
 estimated the concentration and flux of major solutes in the Oie
 and B horizons in an old-grown Engelmann spruce (Picea
 engelmannii Parry ex Engelm.) and subalpine fir [Abies lasiocarpa
 (Hook.) Nutt.] forest, and in an adjacent site disturbed by a
 snow avalanche. In the forested site, most solutes were highly
 concentrated in soil solutions during the initial stages of
 snowmelt, and concentrations declined rapidly to low levels in
 the first 4 to 6 wk of snowmelt. Surface water chemistry in Loch
 Vale Watershed is controlled principally by mineral weathering.
 During the early stages of snowmelt, however, the flushing of
 solutes, especially N, S, and C, from forest soils (which
 comprise only 6% of the study area) exerts an important
 influence. Rates of cationic denudation per unit area were 3.5
 times higher in the forest (131 micromoles(c) m-2 yr-1) than in
 the whole watershed (38 micromoles(c) m-2 yr-1) probably because
 of H+ exudation from roots during nutrient uptake and the
 generation of organic acids in the forest soils. Rates of N
 mineralization and nitrification as well as concentrations of NO3
 in the soil solution were higher in the second year after forest
 disturbance from a snow avalanche than immediately following the
 disturbance, indicating a delayed nitrification response.
 Significant amounts of NH4 and NO3 were temporarily stored in
 extractable forms in the soil during the first year after the
 disturbance. Although precipitation inputs and theoretical
 mineral weathering can explain the total annual solute flux from
 Loch Vale Watershed, the effects of forest soil solutes may be
 important during the initial stages of snowmelt and following
 large-scale disturbance.
 
 
 124                                NAL Call. No.: aSD11.A34
 Correlation analysis of tree growth, climate, and acid deposition
 in the lake states.
 Holdaway, M.R.
 St. Paul, Minn. : The Station; 1990.
 Research paper NC - U.S. Department of Agriculture, Forest
 Service, North Central Forest Experiment Station (294): 21 p.;
 1990.  Includes references.
 
 Language:  English
 
 Descriptors: U.S.A.; Minnesota; Wisconsin; Michigan; Trees;
 Conifers; Hardwoods; Growth; Acid deposition; Climatic factors
 
 
 125                                 NAL Call. No.: QH540.S8
 Critical loads for Dutch forest soils.
 Vries, W. de; Kros, J.; Hootsmans, R.M.; Uffelen, J.G. van;
 Voogd, J.C.H. Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 307-318; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Forest soils; Acidification; Acid
 deposition; Nitrogen; Sulfur; Mathematical models; Coniferous
 forests
 
 
 126             NAL Call. No.: VtUTD883.7.C2A23 1987 vol. 4
 Critical review of inorganic sulphur microbiology with particular
 reference to Alberta soils.
 Laishley, E. J.; Bryant, R.
 Kananaskis Centre for Environmental Research, Alberta
 Government/Industry Acid Deposition Research Program
 Calgary, Alt. : The Program,; 1987.
 vi, 50 p. : ill. ; 28 cm. (Biophysical research ; v. 4.).  Cover
 title: The Acid Deposition Research Program. Biophysical
 research.  February 1987. Available in CD-ROM as part of Acid
 rain: Canadian Government Documents prepared by the Acid Rain
 Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).  Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition; Acid precipitation (Meteorology);
 Sulphur
 
 
 127                     NAL Call. No.: VtUTD196.A25C4 1987a A
 critique of the U.S. National Acid Precipitation Assessment
 Program's interim assessment report.
 Canada. Federal/Provincial Research and Monitoring Coordinating
 Committee Downsview, Ont. : The Committee,; 1987, reprinted 1989.
 10 p. ; 28 cm.  December 1987.  Issued also in French under the
 title: Critique du rapport d'evaluation provisoire produit par le
 National Acid Precipitation Assessment Program des Etats-Unis.
 
 Language:  English; English
 
 Descriptors: Acid precipitation (Meteorology)
 
 
 128                                 NAL Call. No.: S590.S65
 Cropping systems effects of a newly-cleared ultisol in Southern
 Nigeria. Lal, R.; Ghuman, B.S.; Shearer, W.
 Cremlingen-Destedt, W. Ger. : CATENA Verlag; 1992 Mar.
 Soil technology v. 5 (1): p. 27-38; 1992 Mar.  Includes
 references.
 
 Language:  English
 
 Descriptors: Nigeria; Ultisols; Humid tropics; Acid soils;
 Manihot esculenta; Elaeis guineensis; Musa; Root crops; Grain
 crops; Cropping systems; Alley cropping; Traditional farming;
 Tropical rain forests; Land clearance; Erosion; Earthworms;
 Biological activity in soil; Crop production; Crop yield; Dry
 season; Wet season; Rain; Temporal variation; Runoff;
 Infiltration; No-tillage; Soil structure; Land productivity; Soil
 fertility; Sustainability
 
 
 129                                 NAL Call. No.: SD13.C35
 Curly needle syndrome of loblolly pine seedlings.
 Stone, D.M.
 Ottawa, National Research Council of Canada; 1993 Sep.
 Canadian journal of forest research v. 23 (9): p. 1810-1814; 1993
 Sep. Includes references.
 
 Language:  English
 
 Descriptors: Pinus taeda; Seedlings; Pine needles; Plant
 morphology; Acid rain; Mists; Abnormal development; Water stress
 
 Abstract:  Curly shaped needles developed on loblolly pine (Pinus
 taeda L.) seedlings grown in lysimeters in two greenhouse
 studies. Nearly 90% of the seedlings from five half-sib families
 developed curly needles when watered weekly with one of four acid
 rain solutions. No abnormal needles developed on seedlings from
 the same seed lots growing on an adjacent bench and watered
 daily. In a second study, curly needles developed within 2 weeks
 after seedlings were transplanted into the lysimeters. Weekly
 misting of the foliage significantly reduced the proportion of
 fascicles with curly needles. Results indicate that curly needle
 syndrome is induced by water stress during needle elongation and
 suggest that wetting the foliage decreases the strength of the
 fascicle sheaths.
 
 
 130                                 NAL Call. No.: SD13.C35
 Cycling of acid and base cations in deciduous stands of
 Huntington Forest, New York, and Turkey Lakes, Ontario.
 Foster, N.W.; Mitchell, M.J.; Morrison, I.K.; Shepard, J.P.
 Ottawa, Ont. : National Research Council of Canada; 1992 Feb.
 Canadian journal of forest research; Journal canadien de
 recherche forestiere v. 22 (2): p. 167-174; 1992 Feb.  Includes
 references.
 
 Language:  English
 
 Descriptors: Ontario; New York; Hardwoods; Forest soils;
 Spodosols; Cations; Calcium; Magnesium; Potassium; Hydrogen;
 Aluminum; Acid rain; Deposition; Cycling; Soil chemistry
 
 Abstract:  Annual nutrient fluxes within two forests exposed to
 acidic deposition were compared for a 1-year period. Calcium (Ca
 2+) was the dominant cation in throughfall and soil solutions
 from tolerant hardwood dominated Spodosols (Podzols) at both
 Huntington Forest (HF), New York, and the Turkey Lakes watershed
 (TLW), Ontario. There was a net annual export of Ca 2+ and Mg2+
 from the TLW soil, whereas base cation inputs in precipitation
 equaled outputs at HF. In 1986, leaching losses of base cations
 were five times greater at TLW than at HF. A higher percentage of
 the base cation reserves was leached from the soil at TLW (5%)
 than at HF (1%). Relative to throughfall, aluminum concentrations
 increased in forest-floor and mineral-soil solutions, especially
 at HF. The TLW soil appears more sensitive to soil acidification.
 Deposited atmospheric acidity, however, was small in comparison
 with native soil acidity (total and exchangeable) and the
 reserves of base cations in each soil. Soil acidity and base
 saturation, therefore, are likely only to change slowly.
 
 
 131                                 NAL Call. No.: 64.9 Am3
 Denitrification in subsurface environments: potential source for
 atmospheric nitrous oxide.
 Rice, C.W.; Rogers, K.L.
 Madison, Wis. : American Society of Agronomy, 1963-; 1993. ASA
 special publication (55): p. 121-132; 1993.  Paper presented at
 the symposium on "Agricultural Ecosystem Effects on Trace Gases
 and Global Climate Change", October 28, 1991, Denver, Colorado. 
 Includes references.
 
 Language:  English
 
 Descriptors: Kansas; Cabt; Denitrification; Soil air; Nitrous
 oxide; Greenhouse effect; Subsoil
 
 
 132 NAL Call. No.: DLCSB608.M34 C37 1985tUSB608.M34C37 1985 Le
 deperissement des erablieres au Quebec  [Withering of the maples
 in Quebec].
 Carrier, Leon; Gagnon, Gilles
 Quebec (Province), Ministere de l'energie et des ressources,
 Service de la recherche appliquee
 Quebec : Ministere de l'energie et des resources, Service de la
 recherche appliquees,; 1985.
 1 v..  Rapport prepare pour le Comite federal-provincial de
 coordination de la recherche et de la surveillance dans le
 domaine du TGDPA et des pluies acides ; Sous-groupe des effets
 sur le milieu terrestre - CCRS.  October 1985. Bibliography: leaf
 11.
 
 Language:  French
 
 Descriptors: Maple; Deforestation; Acid precipitation
 (Meteorology)
 
 
 133                                NAL Call. No.: S596.7.D4
 Deposition of antropogenic sulphur dioxide on soils and resulting
 soil acidification.
 Nyborg, M.; Solberg, E.D.; Malhi, S.S.; Takyi, S.; Yeung, P.;
 Chaudhry, M. Dordrecht : Kluwer Academic Publishers; 1991.
 Developments in plant and soil sciences v. 45: p. 147-156; 1991. 
 In the series analytic: Plant-soil interactions at low pH /
 edited by R.J. Wright, V.C. Baligar and R.P. Murrmann.
 Proceedings of the second international symposium, June 24-29,
 1990, Beckley, West Virginia.  Includes references.
 
 Language:  English
 
 Descriptors: Canada; Air pollution; Sulfur dioxide; Deposition;
 Acid rain
 
 Abstract:  Emission of sulphur dioxide (SO2) takes place in
 Alberta from tall stacks at natural sour gas or oil sands
 processing plants. The local quantities of sulphur (S) deposition
 on soil and any resulting soil acidification are poorly known.
 The main objective was to quantify S deposited by wet and dry
 deposition at distances from a large emitter (135 t SO2-S day-1)
 and determine the effect on soil pH. Crushed soil samples were
 set in containers under rain shelters without walls at sites
 varying in distance from the source (4 to 173 km). After 4 months
 a sandy soil had accumulated 24 kg total S ha-1 when comparing
 the nearest and farthest sites, but the value was only 4 kg ha-1
 for an organic soil. During 5 months in the next year, lichen
 over a thin layer of sandy soil accumulated 3.5 kg total S ha-1.
 The three soils had slight but significant pH decreases near the
 source, and they all had much less sulphate compared to total S
 increase. Lysimeters were set at 9 sites for a 17-month period
 and wet deposition of S near the SO2 emitter was < 2 kg S ha-1. A
 sandy Brunisol had an estimated 19 kg total S ha-1 increase by
 dry deposition while there was an increase of 56 kg for a sandy
 loam Luvisol when comparing the site nearest the emitter to the
 most remote. In all, dry S deposition in the vicinity of the S
 source was approximately 5 to 70 times greater than the S
 deposition in rain and snow. Dry deposition S was found mostly as
 total S instead of sulphate and slight decreases in soil pH
 occurred. In the laboratory, four ground soils were exposed to an
 air stream containing 185 micrograms SO2 m-3 of SO2 for 30 days
 in a 0.15 m3 chamber. The soils sorbed from 23 to 77 micrograms
 sulphate-S g-1 soil with slight pH depression. In a similar
 experiment, blocks of intact lichen (5 cm deep) over sand (2.5 cm
 deep) received an air stream with 265 micrograms SO2 m-3 for 7
 days. The soil layers retained 2.6 kg total S ha-1 with little of
 it as sulphate. Injection of SO2 (200 microgr
 
 
 134                              NAL Call. No.: QH545.A1E52
 Deposition of atmospheric ammonia to moorlands.
 Sutton, M.A.; Moncrieff, J.B.; Fowler, D.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (1): p. 15-24; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Eastern scotland; Northern england; Calluna
 vulgaris; Eriophorum vaginatum; Ammonia; Air pollution;
 Deposition; Acid deposition; Micrometeorology; Leaves; Nitrogen
 cycle; Moorland
 

 135                                 NAL Call. No.: S590.C63
 The determination of adsorbed sulfate with isotopic dilution of
 sulfur (35S) compared with calcium dihydrogen phosphate
 extraction.
 Karltun, E.
 New York, N.Y. : Marcel Dekker; 1994.
 Communications in soil science and plant analysis v. 25 (3/4): p.
 207-214; 1994.  Includes references.
 
 Language:  English
 
 Descriptors: Podzolic soils; Forest soils; Sulfate; Adsorption;
 Determination; Soil analysis; Isotope dilution; Extraction;
 Comparisons; Soil solution; Equilibrium; Anion exchange; Movement
 in soil; Acidification; Acid deposition
 
 
 136                                  NAL Call. No.: 450 N42
 Differences in the spectral characteristics of white clover
 exposed to gaseous pollutants and acid mist.
 Williams, J.H.; Ashenden, T.W.
 Cambridge : Cambridge University Press; 1992 Jan.
 The New phytologist v. 120 (1): p. 69-75; 1992 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: Trifolium repens; Ozone; Phytotoxicity; Acid rain;
 Sulfur dioxide; Nitrogen dioxide; Canopy; Injuries; Remote
 sensing; Vegetation; Pollution
 
 
 137                             NAL Call. No.: S544.3.W6W53
 Direct damage of air pollution to forest vegetation.
 Morton, A.; Johnson, J.; May, T.
 Madison, Wis. : The Service; 1989.
 Publication - University of Wisconsin, Cooperative Extension
 Service (G3305-7): 5 p.; 1989.  In subseries: Acid Rain in
 Wisconsin.
 
 Language:  English
 
 Descriptors: Wisconsin; Acid rain; Air pollutants; Forest damage;
 Exposure
 
 
 138                              NAL Call. No.: QH545.A1E52
 Direct damage to vegetation caused by acid rain and polluted
 cloud: definition of critical levels for forest trees.
 Cape, J.N.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 82 (2): p. 167-180; 1993.  Literature
 review. Includes references.
 
 Language:  English
 
 Descriptors: Europe; Forest trees; Acid deposition; Air
 pollutants; Ph; Phytotoxicity; Abiotic injuries; Leaves;
 Photosynthesis; Plant water relations; Stress factors; Leaching;
 Mineral nutrition; Literature reviews
 
 
 139                        NAL Call. No.: HD1694.M6D57 1991
 Directory of water resources expertise in Minnesota universities
 and colleges. University of Minnesota, Water Resources Research
 Center
 St. Paul, Minn. : Water Resources Research Center, University of
 Minnesota,; 1991.
 49 p. ; 28 cm. (Special report (University of Minnesota. Water
 Resources Research Center) ; no. 21.).  May 1991.
 
 Language:  English
 
 Descriptors: Water resources development; Universities and
 colleges; Water; Water, Underground; Acid rain
 
 
 140                                 NAL Call. No.: 56.8 SO3
 Dissolved organic carbon and sulfate sorption by spodosol mineral
 horizons. Vance, G.F.; David, M.B.
 Baltimore, Md. : Williams & Wilkins; 1992 Aug.
 Soil science v. 154 (2): p. 136-144; 1992 Aug.  Includes
 references.
 
 Language:  English
 
 Descriptors: Maine; Spodosols; Horizons; Sulfate; Carbon; Organic
 compounds; Movement in soil; Solubility; Leaching; Adsorption;
 Sorption isotherms; Soil solution; Soil temperature; Soil ph;
 Forest litter; Leachates; Deciduous forests; Ecosystems;
 Watersheds; Cycling; Acid deposition
 
 
 141                              NAL Call. No.: QH545.A1E52
 Dry deposition of nitrogen and sulfur to ponderosa and Jeffrey
 pine in the San Bernardino National Forest in southern
 California.
 Fenn, M.E.; Bytnerowicz, A.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 81 (3): p. 277-285; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: California; Pinus ponderosa; Pinus jeffreyi; Air
 pollution; Acid deposition; Pollutants; Nitrate; Ammonium;
 Sulfur; Ozone; Pine needles; Gradients
 
 
 142                              NAL Call. No.: 292.9 C1282
 Ecological consequences of acidic deposition in the Sierra
 Nevada. Melack, J.M.; Hamilton, S.K.; Kratz, K.W.; Williams, M.W.
 Riverside, Calif. : The Center; 1991 Apr.
 Report - California Water Resources Center, University of
 California (75): p. 47-53; 1991 Apr.  In the series analytic:
 California Watersheds at the Urban Interface / edited by J.J.
 DeVries and S.G. Conard. Proceedings of the Third Biennial
 Watershed Conference, Oct 30-31, 1990, Ontario, California. 
 Includes references.
 
 Language:  English
 
 Descriptors: California; Watersheds; Acid deposition; Ecology
 
 
 143                               NAL Call. No.: aSD433.A53
 The economic effects of air pollution on timber markets.
 De Steiguer, J.E.
 Asheville, N.C. : The Station; 1992 Apr.
 General technical report SE - U.S. Department of Agriculture,
 Forest Service, Southeastern Forest Experiment Station (75): p.
 1-6; 1992 Apr.  In the series analytic: The Economic Impact of
 Air Pollution on Timber Markets. Studies from North America and
 Europe / edited by J.E. de Steiguer.  Includes references.
 
 Language:  English
 
 Descriptors: North America; Europe; Air pollution; Forestry;
 Forests; Timbers; Markets; Ozone; Acid rain; Economic impact
 
 
 144                    NAL Call. No.: T57.6.A1I5 no.RR-93-7
 Economic restructuring in eastern Europe and acid rain abatement
 strategies. Amann, Markus
 Laxenburg, Austria : International Institute for Applied Systems
 Analysis,; 1993.
 iii, 1186-1197 p. : ill., map ; 24 cm. (Research report
 (International Institute for Applied Systems Analysis) ;
 RR-93-7.).  April 1993.  Includes bibliographical references (p.
 1196-1197).
 
 Language:  English
 
 
 145                           NAL Call. No.: QK533.B72 1992
 Ecophysiological effects of acid rain on bryophytes and lichens.
 Farmer, A.M.; Bates, J.W.; Nigel, J.; Bell, N.B.
 Oxford [England] : Clarendon Press; 1992.
 Bryophytes and lichens in a changing environment / edited by
 Jeffrey W. Bates and Andrew M. Farmer. p. 284-313; 1992. 
 Literature review.  Includes references.
 
 Language:  English
 
 Descriptors: Bryophyta; Lichens; Adverse effects; Acid rain;
 Literature reviews
 
 
 146                              NAL Call. No.: QH545.A1E52
 Ectomycorrhizal colonization of loblolly pine seedlings during
 three growing seasons in response to ozone, acidic precipitation,
 and soil Mg status. Edwards, G.S.; Kelly, J.M.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 76 (1): p. 71-77; 1992.  Includes
 references.
 
 Language:  English
 
 Descriptors: Pinus taeda; Mycorrhizal fungi; Ectomycorrhizas;
 Roots; Ozone; Air pollution; Acid rain; Magnesium; Nutrient
 availability; Seedlings; Plant succession
 
 
 147                                  NAL Call. No.: S601.D4
 Effect of acid pollutants on the development of the root systems
 of Norway spruce (Picea abies L. Karst.).
 Mauer, D.; Palatova, E.
 Amsterdam : Elsevier Scientific Publishing Company; 1991.
 Developments in agricultural and managed-forest ecology v. 24: p.
 240-247; 1991.  In the series analytic: Plant roots and their
 environment / edited by B.L. McMichael and H. Persson.
 Proceedings of an ISRR Symposium, August 21-26, 1988, Uppsala,
 Sweden.  Includes references.
 
 Language:  English
 
 Descriptors: Picea abies; Roots; Acid rain; Pollution; Injuries;
 Abnormal development; Growth
 
 Abstract:  Effects of air pollutants were studied in situ in 10-
 and 20-year-old stands in the Ore Mountains. Research into
 effects of simulated inputs of sulphur (application of powder
 sulphur and acid irrigation) in unpolluted areas was also carried
 out. Air pollution has no influence on skeletal root morphology.
 Growth of fine roots is, however, markedly reduced particularly
 in the (0-10 cm) soil layer, where viability of the roots isconsiderably lowered.
 
 
 148                               NAL Call. No.: 57.8 P34AE
 Effect of acid precipitation on soil properties in a southern
 Taiga forest ecosystem: a laboratory experiment.
 Grishina, L.A.; Baranova, T.A.
 New York, N.Y. : Scripta Technica; 1991.
 Soviet soil science v. 23 (4): p. 20-35; 1991.  Translated from:
 Pochvovedenie, (10), 1990, p. 121-136. (57.8 P34).  Includes
 references.
 
 Language:  English; Russian
 
 Descriptors: Taiga soils; Ecosystems; Sandy soils; Podzols; Gley
 soils; Humus; Acid deposition; Precipitation; Pollution;
 Acidification; Soil acidity; Geochemistry; Base saturation;
 Cation exchange capacity; Exchangeable cations; Buffering
 capacity; Adsorption; Dissolving; Leaching; Calcium; Magnesium;
 Potassium; Movement in soil; Ph; Simulation models
 
 
 149                                NAL Call. No.: S596.7.D4
 Effect of acid rain and ozone on soil and secondary needle
 nutrients of loblolly pine.
 Reddy, G.B.; Reinert, R.A.; Eason, G.
 Dordrecht : Kluwer Academic Publishers; 1991.
 Developments in plant and soil sciences v. 45: p. 139-145; 1991. 
 In the series analytic: Plant-soil interactions at low pH /
 edited by R.J. Wright, V.C. Baligar and R.P. Murrmann.
 Proceedings of the second international symposium, June 24-29,
 1990, Beckley, West Virginia.  Includes references.
 
 Language:  English
 
 Descriptors: Southeastern states of U.S.A.; Acid rain; Ozone; Air
 pollution; Pines; Pine needles; Nutrient content
 
 Abstract:  Atmospheric pollutants including acidic rain and ozone
 (O3), are widespread in the Southeastern United States. Acidic
 rain and 03 are known to suppress tree growth and crop yields.
 The objective of this study was to determine the effect of acidic
 rain and O3 on soil and plant secondary needle nutrients.
 Seedlings of loblolly pine, Family 24.4, (moderately sensitive to
 03) were exposed to 5 levels of O3 (0, 80, 160, 240, and 320 ppb)
 and 3 simulated acidic rain (SAR) pH (3.3, 4.3, and 5.3)
 treatments for 11 weeks. Significant O3 effects on NO3; SAR
 effects on NO3, total N, Mg, K and PO4; and SAR X O3 interaction
 effects on NO3 were observed. Soil Ca was not significantly
 affected by any of the treatments. The P content in 2 degrees
 needles was not significantly changed by O3. The Ca and Mg
 contents in secondary needles were significantly affected by O3
 concentration with 25% and 24% decreases in content,
 respectively, as the O3 concentration increased from 160 to 320
 ppb. Simulated acidic rain caused significant leaching or loss of
 soil NO3, PO4, K, and Mg.
 

 150                                  NAL Call. No.: S900.B5
 The effect of air pollution on mosses in southern Sweden.
 Hallingback, T.
 Barking, Eng. : Elsevier Applied Science; 1992.
 Biological conservation v. 59 (2/3): p. 163-170; 1992.  Special
 issue: Endangered Bryophytes in Europe--causes and conservation /
 edited by L. Hedenas and L. Soderstrom. Proceedings of a
 symposium held on September 24-28, 1990, Uppsala.  Includes
 references.
 
 Language:  English
 
 Descriptors: Sweden; Bryophyta; Mosses; Species; Plant density;
 Geographical distribution; Population decrease; Environmental
 factors; Forest management; Habitat destruction; Air pollution;
 Acid deposition; Spatial variation; Spatial distribution; Host
 plants; Buffering capacity
 
 
 151                               NAL Call. No.: QH540.E288
 The effect of atmospheric deposition and ozone on carbon
 allocation and associated physiological processes in red spruce.
 McLaughlin, S.B.; Kohut, R.J.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 96: p. 338-382;
 1992.  In the series analytic: Ecology and decline of red spruce
 in the Eastern United States / edited by C. Eagar and M.B. Adams. 
 Literature review.  Includes references.
 
 Language:  English
 
 Descriptors: Northeastern states of U.S.A.; Appalachian states of
 U.S.A.; Picea rubens; Ozone; Air pollution; Acid deposition;
 Decline; Dry matter distribution; Increment; Growth; Plant
 physiology; Nutrition physiology; Photosynthesis; Literature
 reviews
 
 
 152                                 NAL Call. No.: 56.8 SO3
 Effect of cropping systems on adsorption of metals by soils. II.
 Effect of pH. Basta, N.T.; Tabatabai, M.A.
 Baltimore, Md. : Williams & Wilkins; 1992 Mar.
 Soil science v. 153 (3): p. 195-204; 1992 Mar.  Includes
 references.
 
 Language:  English
 
 Descriptors: Iowa; Mollisols; Heavy metals; Adsorption; Cadmium;
 Nickel; Copper; Lead; Zinc; Rotations; Continuous cropping; Soil
 solution; Soil ph; Solubility; Chemical precipitation;
 Hydrolysis; Chemical reactions; Cation exchange; Sorption
 isotherms
 
 
 153                                  NAL Call. No.: 450 R11
 Effect of low pH, heavy metals and anions on chlorophyll
 degradation in the lichen Ramalina duriaei (De Not.) Bagl.
 Garty, J.; Karary, Y.; Harel, J.
 Oxford : Pergamon Journals; 1992 Jul.
 Environmental and experimental botany v. 32 (3): p. 229-241; 1992
 Jul. Includes references.
 
 Language:  English
 
 Descriptors: Lichens; Acidity; Acid rain; Simulation; Heavy
 metals; Sulfates; Nitrates; Chlorides; Air pollution;
 Phytotoxicity; Chlorophyll; Degradation
 
 
 154                                NAL Call. No.: 381 J8223
 Effect of metal-binding ability on the adsorption of acifluorfen
 on soil. Pusino, A.; Liu, W.; Fang, Z.; Gessa, C.
 Washington, D.C. : American Chemical Society; 1993 Mar.
 Journal of agricultural and food chemistry v. 41 (3): p. 502-505;
 1993 Mar. Includes references.
 
 Language:  English
 
 Descriptors: Acifluorfen; Soil; Adsorption; Cation exchange
 capacity; Exchangeable sodium; Exchangeable calcium; Soil ph;
 Chemical precipitation
 
 Abstract:  The adsorption of acifluorfen, the sodium salt of 5-
 [2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acid, on six
 soils of various physical and chemical properties as well as its
 dependence on the exchangeable cation (Ca 2+ and Na+) and on soil
 pH was studied. Adsorption isotherms conformed to the Freundlich
 equation. Soil saturation by Na+ ions produced a strong decrease
 in acifluorfen adsorption, whereas the opposite finding was
 observed for Ca-saturated soils. Adsorption was found to be
 correlated with cation-exchange capacity (CEC) much better than
 with other soil properties and decreased with increasing pH. At
 comparable pH, variations of kf values after Ca saturation of
 soils indicated that complex formation reactions, leading to
 precipitation of insoluble complexes, contribute to simulate high
 adsorption.
 
 
 155                             NAL Call. No.: TRANSL 39170
 The effect of mineral nutrition, ozone and acid mist on
 peroxidase activity in needles of Norway spruce, Picea abies (L.)
 Karst = Einfluss von Mineralstoffernahrung, Ozon und saurem Nebel
 auf Peroxidase-Aktivitaten in Fichtennadeln, Picea abies (L.)
 Karst..  Einfluss von Mineralstoffernahrung, Ozon und saurem
 Nebel auf Peroxidase-Aktivitaten in Fichtennadeln, Picea abies
 (L.) Karst
 Dohmen, G. P.
 S.l. : s.n. :; 1989.
 5 leaves ; 27 cm.  Translated from German by Amerind Publishing
 co. (Pvt.) Ltd., New Delhi, Ag TT 89-1-0154.  Translated from:
 Forstwissenschaftliches Centralblatt, 105(4):252-254, Sept. 1986. 
 Includes bibliographical references (leaf 5).
 
 Language:  English
 
 
 156                                  NAL Call. No.: QK1.B38
 Effect of simulated acid rain on the mutualism between tall
 fescue (Festuca arundinacea) and an endophytic fungus (Acremonium
 coenophialum). Cheplick, G.P.
 Chicago, Ill. : University of Chicago Press; 1993 Mar.
 International journal of plant sciences v. 154 (1): p. 134-143;
 1993 Mar. Includes references.
 
 Language:  English
 
 Descriptors: Festuca arundinacea; Acremonium coenophialum; Acid
 rain; Mutualism; Endophytes; Dry matter accumulation; Roots;
 Shoots; Root shoot ratio
 
 
 157                    NAL Call. No.: CoFSQH545.A17H83 1991
 The effect of simulated acidic rain on first-season seedlings of
 Pinus contorta ssp. latifolia.
 Hubbard, Robert M.
 1991; 1991.
 v, 41 leaves : ill. ; 28 cm.  Includes bibliographical
 references.
 
 Language:  English
 
 Descriptors: Acid rain; Trees
 
 
 158                    NAL Call. No.: VtUTD885.5.S8S52 1988
 The effect of SO2 on selenium concentration in serviceberry.
 Shaw, George G.
 Canadian Wildlife Service
 Edmonton, Alta. : Canadian Wildlife Service,; 1980, reprinted
 1988. 15 p. : ill. ; 28 cm.  CWS-80-022.  November 1980. 
 Bibliography : p. 8-11.
 
 Language:  English
 
 Descriptors: Sulphur dioxide; Selenium; Amelanchier; Plants,
 effect of acid precipitation on; Acid precipitation (Meteorology)
 
 
 159                                  NAL Call. No.: 10 Ex72
 The effect of tillage on topsoil temperature and strength in
 coarse-grained sands with special reference to a tied ridging
 system.
 Vogel, H.
 Cambridge : Cambridge University Press; 1994 Jan.
 Experimental agriculture v. 30 (1): p. 57-66; 1994 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: Zimbabwe; Cabt; Zea mays; Tillage; Sowing depth;
 Crop density; Soil temperature; Topsoil; No-tillage; Ridging;
 Soil strength; Rooting depth; Seedling emergence; Rain; Humid
 zones; Semiarid zones
 
 
 160                                NAL Call. No.: 292.8 J82
 The effects of a pelletised limestone treatment on drainage water
 acidity within a forest catchment in mid-Wales.
 Nisbet, T.R.
 Amsterdam : Elsevier Scientific Publishers, B.V.; 1993 Oct01.
 Journal of hydrology v. 150 (2/4): p. 521-539; 1993 Oct01.  In
 the special issue: Water Issues in Forests Today / edited by E.M.
 O'Loughlin and F.X. Dunin.  Papers presented at the International
 Symposium on Forest Hydrology, November 22-26, 1992, Canberra,
 Australia.  Includes references.
 
 Language:  English
 
 Descriptors: Wales; Cabt; Watersheds; Forests; Acid deposition;
 Drainage water; Acidity; Limestone; Aerial application; Ph;
 Calcium; Aluminum; Soil water; Streams; Runoff; Water pollution
 
 Abstract:  Three headwater source areas were identified within a
 strongly acidified forest catchment in the Llyn Brianne area of
 central Wales. Each received an aerial application of between 10
 and 16 t ha-1 of limestone pellets (composed of powdered chalk,
 starch and bentonite) in November 1988. The pH, calcium and
 aluminium levels within soil water and stream water were assessed
 at fortnightly intervals over a 3 year period to determine the
 impact of the treatment on drainage water acidity. The results
 demonstrated the importance of identifying the effective source
 areas within a catchment and treating these with a readily
 available form of powdered limestone. Treatment with a pelletised
 form was unsuccessful in eliminating periods of low pH and high
 aluminium concentrations within the headwaters of the forested
 catchment. This was attributed to the slow breakdown and
 dissolution of the limestone pellets under the forest canopy and
 the reduced importance of the surface runoff pathways owing to
 pre-afforestation cultivation and drainage, and soil drying by
 the forest crop.
 
 
 161                               NAL Call. No.: SB745.4.T6
 Effects of acid deposition on forest 1 Critical assessment of the
 scientific literature.
 Torrenueva, Allen L.; Moroz, W. J.
 Ontario Hydro, Environmental Studies and Assessments Dept,
 Canadian Electrical Association, Research and Development
 Montreal : Canadian Electrical Association,; 1985.
 vi, 83, A34, B59 p. : ill., maps ; 30 cm. (Research report ; CEA
 no. 318G394).  "Report for the Canadian Electrical Association,
 Research and Development". April 1985.  Bibliography: p. 75-83.
 
 Language:  English
 
 Descriptors: Acid rain; Forest ecology
 
 
 162             NAL Call. No.: VtUTD883.7.C2A23 1989 vol. 5
 Effects of acid deposition on soils in Alberta.
 Turchenek, L. W.
 Kananaskis Centre for Environmental Research, Alberta
 Government/Industry Acid Deposition Research Program
 Calgary, Alta. : Acid Deposition Research Program,; 1987. xvi,
 202 p. : ill. ; 28 cm. (Biophysical research ; v. 5.).  Cover
 title: The Acid Deposition Research Program. Biophysical
 research.  February 1987. Available in CD-ROM as part of Acid
 rain: Canadian Government Documents prepared by the Acid Rain
 Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).  Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition; Soil acidification
 
 
 163                                 NAL Call. No.: S601.A34
 Effects of acid fog on cuticular permeability and cation leaching
 in holly (Ilex aquifolium).
 Barker, M.G.; Ashenden, T.W.
 Amsterdam : Elsevier; 1992 Nov.
 Agriculture, ecosystems and environment v. 42 (3/4): p. 291-306;
 1992 Nov.  In the special issue: Physiology of plant responses to
 pollutants / edited by L. Skarby and S. Fink. Papers presented at
 the conference on "Acidic Deposition-Its Nature and Impacts,"
 September, 1990, Glasgow, U.K.  Includes references.
 
 Language:  English
 
 Descriptors: Ilex aquifolium; Fog; Acid deposition; Cuticle;
 Permeability; Structure; Cations; Leaching; Wettability; Contact
 angle; Wax coatings
 
 
 164                                  NAL Call. No.: 450 N42
 Effects of acid, or ammonium-enriched, artificial mist on leaf
 blight of London plane [Platanus X acerifolia (Ait.) Willd.] and
 on the behaviour of the causal fungus, Apiognomonia veneta (Sacc.
 & Speg.) Hohn.
 Sury, R. von; Fluckiger, W.
 Cambridge : Cambridge University Press; 1993 Jul.
 The New phytologist v. 124 (3): p. 447-454; 1993 Jul.  Includes
 references.
 
 Language:  English
 
 Descriptors: Platanus acerifolia; Apiognomonia veneta; Blight;
 Fungal diseases; Mists; Acid deposition; Ammonium; Air pollution;
 Conidia; Spore germination; Inhibition; Disease resistance;
 Susceptibility; Leaves; Phenolic compounds; Leaching
 

 165                   NAL Call. No.: VtUTD883.7.C22P74 1981
 Effects of acid precipitation in a watershed of moderate
 buffering capacity. Bennett, Edward B.
 S.l. : s.n.,; 1981.
 iv, 26 leaves : ill., map ; 26 cm.  Unpublished manuscript.  July
 1981. Available in CD-ROM as part of Acid rain: Canadian
 Government Documents prepared by the Acid Rain Project,
 Bailey/Howe Library, University of Vermont. (Z699.5.G6A3).
 
 Language:  English; English
 
 Descriptors: Acid pollution of rivers, lakes, etc; Watersheds;
 Acid precipitation (Meteorology)
 
 
 166            NAL Call. No.: VtUQUARTO TD883.7.C22O57 1981
 Effects of acid precipitation on microbial populations in
 northern Ontario lakes.
 Rao, S. S.; Jurkovic, A. A.; Robson, P.
 Canada Centre for Inland Waters
 Canada : Canada Centre for Inland Waters, [1981?]; 1981.
 iii, 18, [42] leaves : ill. ; 29 cm.  Unpublished report.  This
 study was supported by LRTAP 1980-1981.  Available in CD-ROM as
 part of Acid rain: Canadian Government Documents prepared by the
 Acid Rain Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).  Bibliography: leaves 16-17.
 
 Language:  English; English
 
 Descriptors: Acid pollution of rivers, lakes, etc; Acid
 precipitation (Meteorology); Aquatic microbiology
 
 
 167                              NAL Call. No.: RA565.A1E54
 The effects of acid precipitation runoff episodes on reservoir
 and tapwater quality in an Appalachian Mountain water supply.
 Sharpe, W.E.; DeWalle, D.R.
 Research Triangle Park, N.C. : National Institute of
 Environmental Health Sciences; 1990 Nov.
 E.H.P. Environmental health perspectives v. 89: p. 153-158; 1990
 Nov.  Paper presented at the Conference on Advances in Lead
 Research : Implications for Environmental Health," January 9-11,
 1989, Research Triangle Park, NC. Includes references.
 
 Language:  English
 
 Descriptors: Pennsylvania; Appalachian states of U.S.A.; Drinking
 water; Water supply; Water quality; Acid rain; Runoff
 
 
 168                                NAL Call. No.: QK475.T74
 The effects of acid rain and ozone on biomass and leaf area
 parameters of shortleaf pine (Pinus echinata Mill.).
 Shelburne, V.B.; Reardon, J.C.; Paynter, V.A.
 Victoria, B.C. : Heron Publishing; 1993 Mar.
 Tree physiology v. 12 (2): p. 163-172; 1993 Mar.  Includes
 references.
 
 Language:  English
 
 Descriptors: South Carolina; Pinus echinata; Ozone;
 Phytotoxicity; Acid rain; Injuries; Leaf area; Senescence; Dosage
 effects; Forest decline; Plant competition; Nitrogen content;
 Cycling
 
 Abstract:  Shortleaf pine (Pinus echinata Mill.) seedlings in 24
 open-top chambers were exposed to combinations of ozone (carbon-
 filtered (control), ambient, 1.7 X ambient, and 2.5 X ambient)
 and acidic precipitation (pH 5.3, 4.3 and 3.3) for 16 months
 (1989 harvest) or 28 months (1990 harvest). Although the effects
 of acid rain were generally not significant, there was a trend
 toward increased aboveground biomass and leaf area in seedlings
 subjected to the low pH treatments. Because N concentrations in
 the soils generally increased with decreasing pH, we concluded
 that the effects of acid rain on aboveground biomass and leaf
 area were a consequence of an increasing concentration of soil N.
 In the 1989 harvest, seedlings in the 2.5 X ambient ozone
 treatment had significantly less biomass in all aboveground plant
 components and significantly less total leaf area than seedlings
 in the 1.7 X ambient ozone treatment. In the 1990 harvest, there
 were no significant effects of ozone on total aboveground
 biomass, although there was a trend toward reduced biomass in
 seedlings in the 2.5 X ambient ozone treatment. Both total leaf
 area and leaf biomass were significantly less in seedlings
 exposed to 2.5 X ambient ozone for 28 months than in both control
 seedlings and seedlings in the 1.7 X ambient ozone treatment. The
 greater, but not always significant, aboveground biomass and leaf
 area of seedlings in the 1.7 X ambient ozone treatment compared
 with control seedlings may be associated with the observed
 increase in soil nitrate concentration as a result of increased
 rates of leaf senescence and litterfall.
 
 
 169                                 NAL Call. No.: TD172.J6
 Effects of acid watering of the soil on the photosynthetic
 activity, growth, and foliar pigments of sugar maple saplings.
 N'soukpoe-Kossi, C.N.; Trottier, C.; Achi, C.A.; Charlebois, D.;
 Leblanc, R.M. New York, N.Y. : Marcel Dekker; 1992 Apr.
 Journal of environmental science and health : Part A :
 Environmental science and engineering v. 27 (3): p. 863-877; 1992
 Apr.  Includes references.
 
 Language:  English
 
 Descriptors: Acer saccharum; Transplanting; Trees; Leaves;
 Photosynthesis; Growth; Pigments; Acid rain; Spectroscopy; Ph;
 Photosystem i; Photosystem ii; Pollution
 
 
 170             NAL Call. No.: VtUTD883.7.C2A23 1987 vol. 2
 Effects of acid-forming emissions on soil microorganisms and
 microbially-mediated processes.
 Visser, S.; Danielson, R. M.; Parr, J. F.
 Kananaskis Centre for Environmental Research, Alberta
 Government/Industry Acid Deposition Research Program
 Calgary, Alta. : The Program,; 1987.
 vii, 86 p. : ill. ; 28 cm. (Biophysical research ; v. 2.). 
 Available in CD-ROM as part of Acid rain: Canadian Government
 Documents prepared by the Acid Rain Project, Bailey/Howe Library,
 University of Vermont. (Z699.5.G6A3). Cover title: The Acid
 Deposition Research Program. Biophysical research. February 1987. 
 Includes biographical references.
 
 Language:  English
 
 Descriptors: Plants, Effects of acid deposition on; Acid
 deposition
 
 
 171             NAL Call. No.: VtUTD883.7.C2A23 1987 vol. 8
 The effects of acidic deposition on Alberta agriculture a review.
 Torn, M. S.; Degrange, J. E.; Shinn, J. H.
 Kananaskis Centre for Environmental Research, Alberta
 Government/Industry Acid Deposition Research Program
 Calgary, Alta. : The Program,; 1987.
 xvi, 160 p..  February 1987.  Available in CD-ROM as part of Acid
 rain: Canadian Government Documents prepared by the Acid Rain
 Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).  Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition
 
 
 172                                   NAL Call. No.: 30 AD9
 The effects of acidic deposition on forested soils.
 Robarge, W.P.; Johnson, D.W.
 San Diego, Calif. : Academic Press; 1992.
 Advances in agronomy v. 47: p. 1-83; 1992.  Literature review. 
 Includes references.
 
 Language:  English
 
 Descriptors: Forest soils; Acid deposition; Acidification; Soil
 chemistry; Soil physical properties; Soil pollution; Literature
 reviews
 
 
 173                              NAL Call. No.: QH545.A1E52
 Effects of acidic fog on seedlings of Pinus ponderosa and Abies
 concolor: foliar injury, physiological and biochemical responses.
 Takemoto, B.K.; Bytnerowicz, A.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 79 (3): p. 235-241; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: California; Pinus ponderosa; Abies concolor; Acid
 deposition; Fog; Simulation; Hydrogen ions; Nitrate; Sulfate; Ph;
 Pine needles; Age; Seedlings; Foliar diagnosis; Foliar nutrition;
 Chlorophyll; Carotenoids; Starch; Nutrient content; Abiotic
 injuries; Photosynthesis; Transpiration; Stomatal movement; Gas
 exchange; Membrane permeability; Species differences;
 Susceptibility; Phytotoxicity
 
 
 174                              NAL Call. No.: QH545.A1E52
 Effects of acidic gases and mists on the reproductive capability
 of three fern species.
 Lawrence, P.A.; Ashenden, T.W.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 79 (3): p. 267-270; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Dryopteris affinis; Phyllitis scolopendrium;
 Polypodium; Acid deposition; Pollutants; Sulfur dioxide; Nitrogen
 dioxide; Ph; Spores; Size; Viability; Spore germination; Leaves;
 Reproduction; Abiotic injuries; Susceptibility
 
 
 175                                 NAL Call. No.: QH540.J6
 Effects of acidity of simulated rain on the fruiting of
 'Summerred' apple trees.
 Rinallo, C.
 Madison, Wis. : American Society of Agronomy; 1992 Jan.
 Journal of environmental quality v. 21 (1): p. 61-68; 1992 Jan. 
 Includes references.
 
 Language:  English
 
 Descriptors: Malus pumila; Acid rain; Air pollution;
 Phytotoxicity; Set; Fruits; Dry matter; Necroses; Russeting;
 Artificial precipitation; Crop yield; Leaves; Corolla; Food
 quality
 
 Abstract:  The effects of rain acidity on field-grown 'Summerred'
 apple trees (Malus domestica Borkh) under natural conditions were
 investigated. One group of four trees was exposed to ambient
 rainfall. Four other groups were covered with rainshields and
 received water, pH 5.6, 4, and 3, respectively, as simulated
 rain. Simulated acid rain, particularly at pH 3, adversely
 affected fruit production in terms of individual fruit weight,
 fruit set, fruit appearance (necrosis and russetting of the peel)
 and dry weight. Ambient rain was not found to cause significant
 reductions in apple fruit production in this study.
 
 
 176                                 NAL Call. No.: QH540.S8
 Effects of air pollution and acid deposition on forests and
 forest soils. Heij, G.J.; Vries, W. de; Posthumus, A.C.; Mohren,
 G.M.J. New York, N.Y. : Elsevier Science Publishing Company Inc;
 1991. Studies in environmental science (46): p. 92-137; 1991.  In
 the series analytic: Acidification research in The Netherlands.
 Final reort of the Dutch Priority Programme on Acidification /
 edited by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Acid deposition; Sulfur
 dioxide; Ammonia; Nitrogen oxides; Forests; Forest soils;
 Acidification; Soil acidity; Nitrogen cycle; Ozone; Phytotoxicity
 
 
 177                                  NAL Call. No.: QK1.T37
 Effects of air pollution on plants and vegetations.
 Posthumus, A.C.
 Dordrecht : Kluwer Academic Publishers; 1991.
 Tasks for vegetation science (22): p. 191-198; 1991.  In the
 series analytic: Ecological responses to environmental stresses /
 edited by J. Rozema and J.A.C. Verkleij.  Includes references.
 
 Language:  English
 
 Descriptors: Plants; Plant communities; Vegetation; Air
 pollution; Acid rain; Phytotoxicity
 
 
 178                                 NAL Call. No.: 56.8 SO3
 Effects of aluminum and phosphate concentration and acidity on
 the crystallization of variscite at 90 degrees C.
 Hsu, P.H.; Sikora, F.
 Baltimore, Md. : Williams & Wilkins; 1993 Aug.
 Soil science v. 156 (2): p. 71-78; 1993 Aug.  Includes
 references.
 
 Language:  English
 
 Descriptors: Variscite; Formation; Mineralogy; Aluminum;
 Phosphates; Aluminum phosphate; Environmental temperature;
 Chemical precipitation; Acidity; Soil chemistry
 
 
 179                                 NAL Call. No.: SD13.C35
 Effects of ambient acidic rain on cation concentrations in leaves
 of Acer saccharum and Cornus florida.
 Muir, P.S.
 Ottawa, Ont. : National Research Council of Canada; 1992 Apr.
 Canadian journal of forest research; Journal canadien de
 recherche forestiere v. 22 (4): p. 490-496; 1992 Apr.  Includes
 references.
 
 Language:  English
 
 Descriptors: Indiana; Acer saccharum; Cornus florida; Leaves;
 Acid rain; Ph; Foliar diagnosis; Calcium; Magnesium; Potassium;
 Foliar nutrition
 
 Abstract:  Are foliar concentrations of inorganic cations
 measurably altered by ambient acidic rain? Leaves of Acer
 saccharum Marsh. and Cornus florida L. were collected before and
 after seven rains, washed, and analyzed for concentrations of
 Ca2+, Mg2+, and K+. Leaf rinse water and the inorganic
 composition of each rain were also analyzed. All samples were
 collected in Indianapolis, Indiana, during June-September
 1986-1987. Rain pH ranged from 3.6 to 4.6, volumes from 0.1 to
 1.9 cm, and durations from 1 to 16 h. Most rains were net
 cleansers of leaf surfaces; concentrations of cations, SO4(-2),
 and NO3(-) in leaf rinse water were generally higher pre- than
 post-rain, or were unchanged by rain exposures, and leaf rinse
 water was more acidic after rains. Pre- versus post-rain changes
 in cation concentrations in washed leaves were generally small
 (+/-7%) compared with amounts present in leaves, and few
 differences were statistically significant (most p > 0.05). The
 changes in foliar cation concentrations were not correlated with
 rain pH, duration, volume, or date. These results suggest that
 short-term exposure to rain with pH typical of rain in much of
 the eastern United States is unlikely to have direct effects on
 foliar nutrient status, at least on fertile soils.
 

 180                               NAL Call. No.: QH84.8.B46
 Effects of artificial acidification and liming on biomass and on
 the activity of digestive enzymes in Enchytraeidae (Oligochaeta):
 results of an ongoing study.
 Urbasek, F.; Chalupsky, J.
 Berlin : Springer International; 1992.
 Biology and fertility of soils v. 14 (1): p. 67-70; 1992. 
 Includes references.
 
 Language:  English
 
 Descriptors: Fridericia; Biomass; Digestion; Enzyme activity;
 Liming; Soil acidity; Soil biology; Acid rain; Acidification;
 Rain; Simulation
 
 
 181                                NAL Call. No.: 292.8 J82
 Effects of catchment liming and afforestation on the
 concentration and fractional composition of aluminium in the Loch
 Fleet catchment, SW Scotland. Grieve, I.C.
 Amsterdam : Elsevier Scientific Publishers, B.V.; 1990 Jul.
 Journal of hydrology v. 115 (1/4): p. 385-396; 1990 Jul. 
 Includes references.
 
 Language:  English
 
 Descriptors: Scotland; Aluminum; Iron; Carbon; Anions; Acid
 deposition; Liming; Afforestation; Coniferous forests; Streams;
 Watersheds; Moorland; Land use; Catchment hydrology; Chemical
 composition; Water quality
 
 Abstract:  Concentrations of total, total monomeric and organic
 monomeric forms of aluminium and of iron, anions and dissolved
 organic carbon (DOC) in streams draining one forested and two
 moorland catchments in southwest Scotland were measured over a 3-
 year period. Catchments were limed during the study and
 comparisons of stream chemistry were made before and after liming
 under the two land-use types. Within individual events, DOC and
 anion concentrations increased with increasing discharge, and
 aluminium concentrations showed little change with discharge. In
 the pre-liming phase as a whole, organic monomeric Al was
 strongly correlated with DOC and inorganic monomeric Al was
 strongly correlated with anions, particularly Cl. The forested
 catchment had higher mean DOC and SO4, but lower mean Al. After
 liming, Al concentrations were reduced, by up to 80% for
 monomeric forms, and these low levels prevented observation of
 correlations with DOC and anions. Liming treatments were
 effective in both forested and moorland catchments, lasted for at
 least 2.5 years after treatment, and low rates of application to
 bog areas were as effective as entire catchment treatments.
 
 
 182                               NAL Call. No.: QH345.B564
 Effects of decreased atmospheric deposition on the sulfur budgets
 of two Dutch moorland pools.
 Marnette, E.C.; Houweling, H.; Dam, H. van; Erisman, J.W.
 Dordrecht : Kluwer Academic Publishers; 1993.
 Biogeochemistry v. 23 (2): p. 119-144; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Netherlands; Cabt; Moorland; Acid deposition;
 Sulfur; Temporal variation; Surface water; Lakes; Chemical
 composition; Simulation models
 
 
 183                             NAL Call. No.: SD387.S87J68
 Effects of filtered air and misting treatments on cuticles of red
 spruce needles on Whiteface Mountain, N.Y.
 Berlyn, G.P.; Anoruo, A.O.; Johnson, A.H.; Vann, D.R.; Strimbeck,
 G.R.; Boyce, R.L.; Silver, W.L.
 Binghamton, N.Y. : Food Products Press; 1993.
 Journal of sustainable forestry v. 1 (1): p. 25-47; 1993. 
 Includes references.
 
 Language:  English
 
 Descriptors: New York; Picea rubens; Pine needles; Cuticle;
 Thickness; Mists; Acidity; Acid rain; Simulation; Air pollution
 
 
 184                                NAL Call. No.: QH540.I52
 Effects of fluorine deposition on the chemistry of acid luvisols.
 Wenzel, W.W.; Blum, W.E.H.
 New York : Gordon and Breach Science Publishers; 1992.
 International journal of environmental analytical chemistry v. 46
 (1/3): p. 223-231; 1992.  Proceedings of the "Second Soil Residue
 Analysis Workshop", March 11-13, 1991, Lausanne, Switzerland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Austria; Luvisols; Fluorine; Deposition; Soil
 pollution; Soil acidity; Soil ph; Aluminum; Ammonium oxalate;
 Solubility; Ion exchange capacity; Leaching; Soil depth; Movement
 
 
 185                                 NAL Call. No.: QH540.J6
 Effects of foliar and soil acidity on the rhizosphere pH of
 alfalfa, corn, and soybean.
 Conkling, B.L.; Blanchar, R.W.; Niblack, T.L.
 Madison, Wis. : American Society of Agronomy; 1991 Apr.
 Journal of environmental quality v. 20 (2): p. 381-386; 1991 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Medicago sativa; Zea mays; Glycine max; Rhizosphere;
 Acid rain; Soil acidity; Soil ph; Foliar application; Simulation;
 Sulfuric acid; Horizons; Roots
 
 Abstract:  The acidity of ambient rainfall and its effect on soil
 and plants is a growing concern. Glass microelectrodes were
 consumed and used to investigate the effect of soil pH and foliar
 application of acid rain on the rhizosphere pH of alfalfa
 (Medicago sativa L. cv. Arrow), corn (Zea mays L. cv. B73 X
 MO17), and soybean [Glycine max (L.) Merr. cv. Williams 82].
 Plant roots were grown in minirhizotrons containing a reformed
 sample of Seymour (fine, montmorillonitic, mesic Aquic Argiudoll)
 silt loam A horizon over a silty clay loam Bt horizon. Low and
 high pH levels of 4.9 and 6.2 in the A horizon and 4.0 and 5.7 in
 the Bt horizon were established using dilute sulfuric acid or
 calcium oxide, respectively. Plants received daily applications
 of simulated rain, which was either acid (pH 3.1) or non-acid (pH
 5.6). After 5, 6, or 15 d of foliar applications to corn, soybean
 or alfalfa, respectively, the rhizosphere pH was measured using a
 glass microelectrode. The pH values for corn and soybean
 increased with distance from the root while the pH values for
 alfalfa decreased with distance. As the soil pH increased from 4
 to near 6, the difference between the pH at the root surface and
 the bulk soil increased from 0 to near 1. A trend for lateral
 root pH values at all distances to be slightly higher than main
 roots was observed. Increasing the pH of the A horizon had no
 significant effect on the rhizosphere pH of corn roots growing
 into the Bt horizon, but significantly increased soybean
 rhizosphere pH in the Bt horizon. Acid rain applications caused
 foliar damage, and tended to decrease rhizosphere pH, but few
 effects were significant. The data emphasize the effect of roots
 on the heterogeneity of soil pH and show that reliable
 rhizosphere pH measurements of in situ roots can be made using
 glass microelectrodes.
 
 
 186                               NAL Call. No.: QH345.B564
 Effects of forest fire and drought on acidity of a base-poor
 boreal forest stream: similarities between climatic warming and
 acidic precipitation. Bayley, S.E.; Schindler, D.W.; Parker,
 B.R.; Stainton, M.P.; Beaty, K.G. Dordrecht : Kluwer Academic
 Publishers; 1992.
 Biogeochemistry v. 17 (3): p. 191-204; 1992.  Includes
 references.
 
 Language:  English
 
 Descriptors: Ontario; Boreal forests; Acid rain; Air temperature;
 Climatic change; Drought; Fire effects; Streams; Sulfates; Water
 pollution; Watersheds; Wildfires
 
 
 187                                 NAL Call. No.: QH540.S8
 Effects of increasing nitrogen deposition and acidification on
 heathlands. Lee, J.A.; Caporn, S.J.M.; Read, D.J.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 97-106; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Northern england; West midlands of england;
 Heathland; Acidification; Acid deposition; Air pollution;
 Nitrogen; Deposition; Calluna vulgaris
 
 
 188                                 NAL Call. No.: QL750.O3
 Effects of larval age and prolonged simulated acid rain on the
 susceptibility of European pine sawfly to virus infection.
 Saikkonen, K.T.; Neuvonen, S.
 Berlin, W. Ger. : Springer International; 1993.
 Oecologia v. 95 (1): p. 134-139; 1993.  Includes references.
 
 Language:  English
 
 Descriptors: Finland; Pinus sylvestris; Neodiprion sertifer;
 Nuclear polyhedrosis viruses; Susceptibility; Larvae; Age; Acid
 rain
 
 
 189                             NAL Call. No.: TRANSL 39169
 Effects of ozone and acid mist on the epicuticular wax in the
 stomatal antechamber of needles of Picea abies (L.) Karst =
 Einfluss von Ozonund saurem Nebel auf die Strukter der stomataren
 Wachspfropfen in den Nadeln von Picea abies (L.) Karst.. 
 Einfluss von Ozon und saurem Nebel auf die Struktur der
 stomataren Wachspfropfen in den Nadeln von Picea abies (L.) Karst
 Magel, E.
 S.l. : s.n. :; 1989.
 8 leaves : ill. ; 27 cm.  Translated from German by Amerind
 Publishing Co. (Pvt.) Ltd., New Delhi, Ag TT 89-1-0153. 
 Translated from: Forstwissenschaftliches Centralblatt,
 105(4):234-238, Sept. 1986.  Includes bibliographical references
 (leaves 7-8).
 
 Language:  English
 
 
 190                                  NAL Call. No.: 450 N42
 Effects of ozone and acidic fog on red spruce needle epicuticular
 wax production, chemical composition, cuticular membrane
 ultrastructure and needle wettability.
 Percy, K.E.; Jensen, K.F.; McQuattie, C.J.
 Cambridge : Cambridge University Press; 1992 Sep.
 The New phytologist v. 122 (1): p. 71-80; 1992 Sep.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea rubens; Ozone; Acid rain; Fog; Phytotoxicity;
 Conifer needles; Cuticle; Waxes; Biosynthesis; Chemical
 composition; Wettability; Cell membranes; Cell ultrastructure
 
 
 191                                 NAL Call. No.: SD13.C35
 Effects of ozone and simulated acidic precipitation on above- and
 below-ground growth of loblolly pine (Pinus taeda).
 Qiu, Z.; Chappelka, A.H.; Somers, G.L.; Lockaby, B.G.; Meldahl,
 R.S. Ottawa, Ont. : National Research Council of Canada; 1992
 Apr. Canadian journal of forest research; Journal canadien de
 recherche forestiere v. 22 (4): p. 582-587; 1992 Apr.  Includes
 references.
 
 Language:  English
 
 Descriptors: Alabama; Pinus taeda; Seedlings; Acid rain; Ozone;
 Ph; Biomass production; Roots; Stems; Foliage; Genetic variation;
 Growth rate; Diameter; Plant height
 
 Abstract:  Loblolly pine (Pinus taeda L.) seedlings from two
 families differing in ozone sensitivity were exposed to four
 ozone concentrations (charcoal-filtered) (subambient ozone
 concentration), nonfiltered (ambient ozone concentration),
 nonfiltered X 1.7, and nonfiltered X 2.5) and three levels of
 acidic precipitation (pH = 3.3, 4.3, and 5.3) in modified open-
 top chambers for one growing season at Auburn, Alabama. Seedlings
 were planted in the ground in root-exclusion tubes that isolated
 root systems of individual seedlings. Foliage, stem, and root
 biomass, three-dimensional root surface area (root surface area X
 pi; in cm3), final height, and groundline diameter were recorded
 and analyzed. Foliage dry matter and root surface area decreased
 and root to shoot ratio significantly increased with increasing
 ozone concentrations for the ozone-sensitive family. There were
 no significant pH effects for this family. No significant
 differences in either ozone or pH treatments occurred for the
 ozone-tolerant family. The possible implications on long-term
 effects of ozone and acidic precipitation on loblolly pine growth
 are discussed.
 
 
 192                                  NAL Call. No.: 450 R11
 Effects of ozone and simulated acidic precipitation on
 ectomycorrhizal formation on loblolly pine seedlings.
 Qiu, Z.; Chappelka, A.H.; Somers, G.L.; Lockaby, B.G.; Meldahl,
 R.S. Oxford : Pergamon Press; 1993 Jul.
 Environmental and experimental botany v. 33 (3): p. 423-431; 1993
 Jul. Includes references.
 
 Language:  English
 
 Descriptors: Pinus taeda; Ozone; Acid rain; Air pollution;
 Phytotoxicity; Mycorrhizal fungi; Ectomycorrhizas; Seedlings
 
 
 193                              NAL Call. No.: QH545.A1E52
 The effects of removing cloudwater and lowering ambient O3 on red
 spruce grown at high elevations in the southern Appalachians.
 Thornton, F.C.; McDuffie, C. Jr; Pier, P.A.; Wilkinson, R.C.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 79 (1): p. 21-29; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Virginia; Picea rubens; Air pollution; Ozone; Acid
 deposition; Clouds; Simulation; Seedlings; Seedling growth;
 Biomass; Diameter; Plant height; Pine needles; Roots; Plant
 nutrition; Nutrient content; Nitrogen; Sulfur; Phosphorus;
 Potassium; Calcium; Magnesium; Cuticle; Waxes; Altitude; Soil
 fertility
 
 
 194                                  NAL Call. No.: 80 J825
 Effects of simulated acid rain on the foliage and fruit yield of
 Malus domestica Borkh.
 Rinallo, C.
 Ashford : Headley Brothers Ltd; 1992 Jul.
 The Journal of horticultural science v. 67 (4): p. 553-559; 1992
 Jul. Includes references.
 
 Language:  English
 
 Descriptors: Italy; Malus pumila; Acid rain; Phytotoxicity;
 Leaves; Flowers; Fruits; Crop damage; Plant morphology;
 Ultrastructure
 

 195                              NAL Call. No.: QD415.A1B58
 Effects of simulated acid rain upon glutathione levels in radish.
 Cottam, N.D.; Cooke, C.J.; Smith, C.J.
 London : Portland Press; 1992 Nov.
 Transactions - Biochemical Society v. 20 (4): p. 370S; 1992 Nov. 
 Includes references.
 
 Language:  English
 
 Descriptors: Raphanus sativus; Leaves; Glutathione; Acid rain;
 Simulation
 
 
 196                                 NAL Call. No.: 470 C16C
 Effects of simulated acidic rain on upper leaf surface of Zea
 mays foliage. Knittel, R.; Pell, E.J.
 Ottawa, Ont. : National Research Council of Canada; 1991 Dec.
 Canadian journal of botany; Journal canadien de botanique v. 69
 (12): p. 2637-2642; 1991 Dec.  Includes references.
 
 Language:  English
 
 Descriptors: Zea mays; Leaves; Acid rain; Phytotoxicity; Drought;
 Injuries; Plant anatomy; Ultrastructure; Ph
 
 
 197                                  NAL Call. No.: 450 N42
 Effects of simulated nitrogen rich and acid rain on the nitrogen-
 fixing lichen Peltigera aphthosa (L.) Willd.
 Hallingback, T.; Kellner, O.
 Cambridge : Cambridge University Press; 1992 Jan.
 The New phytologist v. 120 (1): p. 99-103; 1992 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: Sweden; Peltigera aphthosa; Lichens; Nitrogen
 fixation; Rain; Acid rain; Phytotoxicity; Forest damage
 
 
 198                                  NAL Call. No.: 80 J825
 Effects of simulated rain acidity on the chemical composition of
 apple fruit. Rinallo, C.; Modi, G.; Ena, A.; Calamassi, R.
 Ashford : Headley Brothers Ltd; 1993 Mar.
 The Journal of horticultural science v. 68 (2): p. 275-280; 1993
 Mar. Includes references.
 
 Language:  English
 
 Descriptors: Malus pumila; Acid rain; Phytotoxicity; Fruits;
 Chemical composition; Mineral content; Crop quality; Ph
 
 
 199                              NAL Call. No.: S592.7.A1S6
 Effects of SO2 and O3 on the chemistry and FDA activity of
 coniferous leaf litter in an open air fumigation experiment.
 Shaw, P.J.A.; Johnston, J.P.N.
 Exeter : Pergamon Press; 1993 Jul.
 Soil biology & biochemistry v. 25 (7): p. 897-908; 1993 Jul. 
 Includes references.
 
 Language:  English
 
 Descriptors: Uk; Cabt; Pinus sylvestris; Pine needles; Forest
 litter; Decomposition; Biodegradation; Biological activity in
 soil; Sulfur dioxide; Ozone; Acid deposition; Cations; Leaching;
 Soil flora
 
 Abstract:  An open-air fumigation facility, developed for
 continuous fumigation of young conifers by SO2 and O3, was used
 for experimental exposure of decomposing coniferous leaf
 material. There were no treatment effects on the rates of mass
 loss from litter for exposure periods from 6 wk to 44 months.
 Sulphur dioxide treatment consistently increased the rate of
 removal of base cations from the litter, with the order of
 sensitivity of cations to SO2-induced leaching being Mg > Ca > K
 > Na. The pH of naturally fallen Scots pine needles was reduced
 by 0.5 units in the high SO2 treatments. Fluorescein diacetate
 (FDA) activity and rates of mass loss of naturally-fallen needles
 were lower in SO2 fumigated plots than ambient controls.
 Transplantation experiments showed that the depression in
 decomposer activity was caused by exposure of needles to SO2
 while still green. Ozone fumigation exerted no effects on the
 chemical composition of litter, and an O3-related increase in FDA
 activity in one season was attributed to enhanced nitrogen input
 due to N2O5 contamination.
 
 
 200                              NAL Call. No.: QH545.A1E52
 The effects of sulphur gas and elemental sulphur dust deposition
 on Pinus contorta X Pinus banksiana: cell walls and water
 relations. Mayo, J.M.; Legge, A.H.; Yeung, E.C.; Krupa, S.V.;
 Bogner, J.C. Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 76 (1): p. 43-50; 1992.  Includes
 references.
 
 Language:  English
 
 Descriptors: Alberta; Pinus contorta; Pinus banksiana; Air
 pollution; Sulfur; Chemical industry; Deposition; Acid soils;
 Pine needles; Aluminum; Iron; Hybrids; Chemical composition;
 Lignin; Polyphenols; Phenolic compounds; Cell wall components;
 Modulus of elasticity; Branches; Growth rate
 
 
 201                                 NAL Call. No.: 56.8 SO3
 Effects of volcanic acid deposition on soil chemistry. I. Status
 of exchangeable cations and sulfur.
 Takamatsu, T.; Boratynski, J.; Satake, K.
 Baltimore, Md. : Williams & Wilkins; 1992 Dec.
 Soil science v. 154 (6): p. 435-449; 1992 Dec.  Includes
 references.
 
 Language:  English
 
 Descriptors: Japan; Acid soils; Volcanic activity; Hydrogen
 sulfide; Acid deposition; Soil chemistry; Chemical speciation;
 Cation exchange capacity; Acidification; Sasa; Rhizosphere;
 Buffering capacity
 
 
 202                                 NAL Call. No.: QH540.S8
 Effects on crops, materials and monuments.
 Bakema, A.H.; Wortelborer, F.G.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 200-204; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Crops; Air pollution; Acid deposition;
 Acidification; Computer simulation; Simulation models; Sulfur
 dioxide; Ozone
 
 
 203                                 NAL Call. No.: QH540.S8
 Effects on forest soils.
 Vries, W. de; Kros, J.; Salm, C. van der; Voogd, J.C.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 169-179; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Acid deposition;
 Acidification; Soil acidity; Forest soils; Soil chemistry;
 Simulation models
 
 
 204                                 NAL Call. No.: QH540.S8
 Effects on growth of Douglas fir.
 Grinsven, J.J.M. van; Minnen, J.G. van; Heerden, C. van
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 180-190; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Pseudotsuga menziesii; Air pollution;
 Acid deposition; Soil pollution; Acidification; Growth models;
 Nutrient uptake; Simulation models; Soil chemistry; Nutrient
 availability
 
 
 205                                 NAL Call. No.: QH540.S8
 Effects on heathland.
 Dobben, H. van
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 139-145; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Heathland; Plant communities; Air
 pollution; Acidification; Acid deposition; Soil acidity; Soil
 pollution; Heathland soils; Sulfur dioxide
 
 
 206                                 NAL Call. No.: QH540.S8
 Effects on heathland.
 Heil, G.W.; Berendse, F.; Bakema, A.H.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 191-199; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Acid deposition;
 Acidification; Heathland; Erica; Calluna vulgaris; Phytotoxicity;
 Plant competition; Simulation models; Computer simulation
 
 
 207                                 NAL Call. No.: 56.9 SO3
 Electrolyte concentration and composition effects on sulfate
 sorption by two spodosols.
 Courchesne, F.
 Madison, Wis. : The Society; 1991 Nov.
 Soil Science Society of America journal v. 55 (6): p. 1576-1581;
 1991 Nov. Includes references.
 
 Language:  English
 
 Descriptors: Quebec; Spodosols; Forest soils; B horizons;
 Sulfate; Sorption; Sorption isotherms; Electrolytes; Sodium
 chloride; Potassium chloride; Calcium chloride; Ion strength
 effects; Soil ph; Soil chemistry; Mineralogy; Iron; Aluminum;
 Sodium sulfate; Calcium sulfate; Potassium sulfate; Ion activity;
 Transport processes; Acid deposition; Kinetics
 
 Abstract:  Few reports exist on the influence of electrolyte
 concentration and composition on SO4 retention, although sorption
 experiments have been conducted with a variety of supporting
 electrolytes. Sulfate sorption by the B horizon of two forest
 Spodosols from Quebec was measured as a function of supporting
 electrolyte concentration and cationic composition, solution pH,
 and reaction time. The solutions had an ionic strength (I) of
 approximately 0 (deionized H2O), 0.001, 0.01, 0.1, and 1.0 M
 NaCl, 0.01 M KCl and 0.01 M CaCl2. Increasing the ionic strength
 of the electrolyte (NaCl) always decreased SO4 sorption at pH
 4.25. It was proposed that increased Cl(-) ion competition for
 sorption sites and the formation of NaSO4(-) aqueous complexes
 (2.8, 14, and 55% of total SO4 at 0.01, 0.1 and 1.0 M NaCl)
 contributed to the observed trend. Increasing electrolyte
 concentration also lowered SO4 sorption by both horizons in the
 range of pH 3.0 to 5.2. Moreover, the influence of pH on sorption
 was more pronounced at low electrolyte concentration. At a
 constant I value, the cationic composition of the electrolyte
 also had an impact on SO4 sorption. The presence of Ca2+ and K+
 favored sorption, compared with Na+. A mechanism involving the
 formation of a surface complex between Ca2+ or K+ and SO4(2-) is
 proposed to explain the experimental data. The results of this
 study support the hypothesis that the composition and
 concentration of the electrolyte influence SO4 sorption by
 Spodosols and that both should be considered when comparing the
 SO4-sorption capacity of soil materials from distinct experiments
 or when projecting laboratory results to field conditions.
 
 
 208                                 NAL Call. No.: QH540.S8
 Emission and deposition scenarios for SO2, NOx, and NH3.
 Boer, K.F. de; Thomas, R.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 151-168; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Sulfur dioxide; Nitrogen
 oxides; Ammonia; Emission; Deposition; Acid deposition;
 Acidification; Soil acidity; Simulation models; Computer
 simulation
 
 
 209                        NAL Call. No.: VTUMICROFICHE 272
 Emission inventory of Ontario and eastern North America during
 1980-1983 with emphasis on the Sudbury shut-down period D. Yap.
 Yap, David
 Ontario, A.P.I.O.S. Coordination Office
 Toronto : A.P.I.O.S. Coordination Office,; 1984, reprinted 1986.
 7 leaves : ill., map ; 30 cm. (Acidic precipitation in Ontario
 study ; 016/84).  October 1984.  "ARB-191-84-AQM"--Cover.
 
 Language:  English; English
 
 Descriptors: Acid precipitation (Meteorology); Smelting furnaces;
 Sulphur dioxide
 

 210                   NAL Call. No.: VtUTD883.7.C22A42 1987
 Emission inventory of sulfur oxides and nitrogen oxides in
 Alberta. Picard, D. J.; Colley, D. G.; Boyd, D. H.
 Kananaskis Centre for Environmental Research, Alberta
 Government/Industry Acid Deposition Research Program
 Calgary, Alta. : The Program,; 1987.
 4 v. : ill., maps ; 28 cm.  November, 1987.  Available in CD-ROM
 as part of Acid rain: Canadian Government Documents prepared by
 the Acid Rain Project, Bailey/Howe Library, University of
 Vermont. (Z699.5.G6A3).  Includes bibliographical references.
 
 Language:  English
 
 
 211                       NAL Call. No.: HC110.E5C662  1989
 Environment in Appalachia proceedings from the 1989 Conference on
 Appalachia..  1989 proceedings of the UK Conference on Appalachia
 Bagby, Jane W.
 University of Kentucky, Appalachian Center
 Conference on Appalachia : 1989 : University of Kentucky.
 Lexington, KY (641 S. Limestone, Lexington, KY 40506-0333) : The
 Center,; 1990.
 140 p. ; 28 cm.  Running title: 1989 proceedings of the UK
 Conference on Appalachia.  Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Environmental policy; Acid rain; Water; Land use;
 Health; Refuse and refuse disposal
 
 
 212                       NAL Call. No.: TD883.7.S8E58 1986
 Environmental effects on forest of air pollution and control with
 new coal technology Swedish-German seminar on June 3, 1985.
 Ingenjorsvetenskapsa kademien (Sweden)
 Stockholm : Ingenjorsvetenskapsakademien,; 1986.
 156 p. : ill. ; 30 cm. (IVA-rapport ; 310 STYFF-rapport ; 13). 
 Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Air; Coal-fired power plants; Forests and forestry;
 Acid rain
 
 
 213             NAL Call. No.: VtUTD883.7.C2A23 1987 vol. 3
 Environmental sulphur isotope studies in Alberta a review.
 Krouse, H. R.
 Kananaskis Centre for Environmental Research, Alberta
 Government/Industry Acid Deposition Research Program
 Calgary, Alta. : The Program,; 1987.
 xiii, 89 p. : ill. ; 28 cm. (Biophysical research ; v. 3.). 
 February 1987. Cover title: The Acid Deposition Research Program.
 Biophysical research. Available in CD-ROM as part of Acid rain:
 Canadian Government Documents prepared by the Acid Rain Project,
 Bailey/Howe Library, University of Vermont. (Z699.5.G6A3). 
 Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition; Acid precipitation (Meteorology);
 Sulphur
 
 
 214                              NAL Call. No.: S592.7.A1S6
 Enzymatic changes in the rhizosphere of loblolly pine exposed to
 ozone and acid rain.
 Reddy, G.B.; Reinert, R.A.; Eason, G.
 Exeter : Pergamon Press; 1991.
 Soil biology and biochemistry v. 23 (12): p. 1115-1119; 1991. 
 Includes references.
 
 Language:  English
 
 Descriptors: Southeastern states of U.S.A.; Pinus taeda;
 Seedlings; Hapludalfs; Forest soils; Soil pollution; Ozone; Acid
 rain; Artificial precipitation; Soil enzymes; Acid phosphatase;
 Oxidoreductases; Arylsulfatase; Enzyme activity; Rhizosphere;
 Soil ph; Soil acidity; Inhibition; Nutrient availability;
 Ecosystems
 
 Abstract:  The effects of ozone (O3) and simulated acidic rain
 (SAR) on the activity of selected soil enzymes in the rhizosphere
 of loblolly pine were evaluated. The seedlings (Family 24.4) were
 exposed to 0, 80, 160, 240, or 320 nl O(3)l-1 at SAR pH
 treatments of 5.3, 4.3, or 3.3 for 11 weeks. Dehydrogenase and
 acid phosphatase activities were linearly (P = 0.01) inhibited by
 increasing acidity. The influence of O3 and pH on changes of soil
 dehydrogenase and acid phosphatase activity were independent of
 each other. Changes in arylsulfatase activity were dependent on
 the specific combination of SAR pH and the O3 concentration.
 
 
 215                               NAL Call. No.: QH540.E288
 Establishment of field experiments: experiments.
 Stuanes, A.O.; Abrahamsen, G.; Tveite, B.; Bjor, K.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 24-33;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Forest plantations;
 Irrigation; Irrigation equipment; Irrigation water; Sulfuric
 acid; Groundwater; Lysimetry; Lysimeters; Long term experiments;
 Field experimentation; Experimental plots
 
 
 216                               NAL Call. No.: QH540.E288
 Establishment of field experiments: Introduction.
 Abrahamsen, G.; Stuanes, A.O.; Tveite, B.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 3-10;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Forests; Air pollution; Acid rain;
 Forest trees; Forest decline
 
 
 217                               NAL Call. No.: QH540.E288
 Establishment of field experiments: study area.
 Stuanes, A.O.; Abrahamsen, G.; Tveite, B.; Bjor, K.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 11-23;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Forest trees; Forest plantations; Acid
 rain; Long term experiments; Site factors; Experimental plots;
 Edaphic factors; Environmental factors
 
 
 218                               NAL Call. No.: 99.8 F7632
 Estimating trends and stochastic response functions in
 dendroecology with an application to fir decline.
 Visser, H.; Molenaar, J.
 Bethesda, Md. : Society of American Foresters; 1992 Apr.
 Forest science v. 38 (2): p. 221-234; 1992 Apr.  Includes
 references.
 
 Language:  English
 
 Descriptors: German federal republic; Abies alba; Growth rate;
 Environmental factors; Air pollution; Sulfur dioxide;
 Temperature; Precipitation; Growth rings; Dendroclimatology;
 Models
 
 Abstract:  A regression model is introduced to estimate a trend
 and, possibly time-dependent, regression coefficients
 simultaneously. The model is meant to detect time-dependencies in
 the response of tree growth to environmental conditions. The
 existing models in this field usually ignore these time
 evolutions. The trend is modeled via a doubly differencing
 scheme, while the regression coefficients, i.e., the response
 function, may vary in a nearly arbitrary, stochastic way. The
 estimation is performed via the discrete Kalman filter. Unknown
 noise variances, which control the flexibility in time of the
 stochastic parameters, are estimated using maximum likelihood
 optimization. The model is applied to four ring-width
 chronologies of European silver firs (Abies alba Mill.) in the
 Bavarian Forest, Germany. Monthly averaged temperatures and
 monthly sums of precipitation are used as explanatory variables,
 together with an index series of SO2 emissions in the former
 Federal Republic of Germany. The latter variable is argued to be
 a reliable pollution indicator. It appears that the dramatic
 growth variations of silver firs since 1960 cannot solely be
 explained by meteorological variables. Furthermore, a strong
 relationship is found between the high frequency parts of both
 the ring-width signal and the SO2 emission series since 1945.
 
 
 219                              NAL Call. No.: QH545.A1E58
 Evaluation of community and ecosystem monitoring parameters at a
 high-elevation, Rocky Mountain study site.
 Bruns, D.A.; Wiersma, G.B.; Minshall, G.W.
 Elmsford, N.Y. : Pergamon Press; 1992.
 Environmental toxicology and chemistry v. 11 (4): p. 459-472;
 1992.  Paper presented at the Symposium on Community Metrics to
 Detect Ecosystem Effects, 10th Annual Meeting of the Society of
 Environmental Toxicology, October 28-November 2, 1989, Toronto,
 Ontario, Canada.  Includes references.
 
 Language:  English
 
 Descriptors: Wyoming; Aquatic insects; Aquatic communities;
 Aquatic environment; Soil flora; Water pollution; Air pollution;
 Sulfate; Deposition; Acid deposition; Community ecology; Species
 diversity; Forest litter; Decomposition; Lignin; Nitrogen
 content; Foliage; Mountain areas; Monitoring; Environmental
 degradation
 
 
 220                                 NAL Call. No.: 56.9 SO3
 Evaluation of direct/delayed response project soil sampling
 classes: northeastern United States.
 Adams, M.B.; Turner, R.S.; Schmoyer, D.D.
 Madison, Wis. : The Society; 1992 Jan.
 Soil Science Society of America journal v. 56 (1): p. 177-187;
 1992 Jan. Includes references.
 
 Language:  English
 
 Descriptors: Northeastern states of U.S.A.; Soil surveys; Soil
 classification; Regional surveys; Acid deposition; Acidification;
 Surface water; Chemistry; Soil variability; Physicochemical
 properties; Sulfate; Adsorption; Cations; Cation exchange; Cation
 exchange capacity; Cation saturation; Weathering; Soil water;
 Hydrology; Watersheds; Horizons
 
 Abstract:  The Direct/Delayed Response Project (DDRP) identified
 approximately 600 soils on 145 watersheds in the northeastern
 USA. Soils were assembled into 38 sampling classes, based on soil
 characteristics thought to influence surface water chemistry.
 Multivariate analysis techniques were used to evaluate the
 utility of the sampling classes. Hydrologic and chemical
 properties of soils were determined to be the most important for
 discriminating among the sampling classes. Although sampling
 class was a statistically significant effect for most soil
 chemistry variables, only a few sampling classes were
 particularly distinct (some Entisols, Histosols, and Inceptisols
 with high base saturation). For most variables, within-sampling-
 class variability was less than or equal to between-class
 variability, although this was not true for all of the
 characteristics evaluated. No better classification approaches
 were identified in this analysis. The DDRP sampling classes
 provide a means for grouping soils for efficiency in regional
 soil sampling, characterization, and aggregation to mapped areas.
 
 
 221                        NAL Call. No.: MeUUniv. 1991 G82
 Evaluation of ozone deposited to a coniferous forest..  PLANT
 SCIENCES - 1991 Guan, Zhou,
 Orono, Me.,; 1991.
 xix, 225 leaves ; ill. ; 28 cm.  Includes vita.  Bibliography:
 leaves 168-187.
 
 Language:  English
 
 Descriptors: Ozone; Acid deposition
 
 
 222                                 NAL Call. No.: 56.9 SO3
 Evaluation of procedures for aggregating nonlinear sulfate
 adsorption isotherm data.
 Shaffer, P.W.; Stevens, D.L. Jr
 Madison, Wis. : The Society; 1991 May.
 Soil Science Society of America journal v. 55 (3): p. 684-692;
 1991 May. Includes references.
 
 Language:  English
 
 Descriptors: Georgia; North Carolina; South Carolina; Tennessee;
 Acid deposition; Mountain areas; Soil analysis; Soil pollution;
 Sulfates; Surface water; Water pollution; Watersheds
 
 Abstract:  As part of a study to assess potential regional
 surface-water acidification in the southern Blue Ridge region of
 the USA, more than 700 individual soils were sampled from 35
 watersheds and analyzed. Sulfate adsorption isotherms were
 generated for all mineral soil horizons. Subsequent use of these
 data in dynamic watershed chemistry models required aggregation
 of adsorption data to two or three isotherms (one per soil
 mineral horizon) per watershed. This study evaluated several
 techniques for aggregation of the nonlinear adsorption-isotherm
 data. The objective of the analysis was to identify a procedure
 for aggregation that would generate a function providing a
 representative weighted average of the SO4(-2) adsorption
 partitioning coefficients (isotherm slopes) of several individual
 isotherms, and would do so over a range of dissolved SO4(-2)
 concentrations. The most effective procedure involved a sequence
 of: (i) fitting isotherms for individual soils, (ii) computing
 values of adsorbed SO4(-2) corresponding to several reference
 concentrations of dissolved SO4(-2), (iii) computing weighted
 averages of adsorbed SO4(-2) at each of the reference
 concentrations, and (iv) fitting a new isotherm to the set of
 weighted points. Two alternate procedures for aggregation,
 computation of weighted averages of the coefficients of isotherms
 fitted to data for individual soils, or fitting a single isotherm
 to the raw data points for several soils, gave highly variable
 results that were usually skewed to low estimates of slope.
 Although specific results of this analysis relate to aggregation
 of SO4(-2)-adsorption isotherms, the strengths and weaknesses of
 the various aggregations have significant implications for
 aggregation of data sets for other nonlinear functions and for
 subsequent use of data. Use of an inappropriate aggregation
 procedure can lead to erroneous estimates of the capacity,
 efficiency, or response time of the system being described or
 modeled, and is likely to res
 
 
 223                      NAL Call. No.: VtUGB707.T43E9 1982
 Evaluation of the status of surface water sensitivity mapping for
 acidic deposition in western Canada.
 Technical Committee for the Long Range Transport of Atmospheric
 Pollutants in Western Canada. Coordinating Committee on Surface
 Waters
 Canada : s.n.,; 1982.
 ii, 90 p. : ill., maps ; 28 cm.  Prepared for Technical Committee
 Western Canada Long Range Transport of Atmospheric Pollutants. 
 February, 1982. Available in CD-ROM as part of Acid rain:
 Canadian Government Documents prepared by the Acid Rain Project,
 Bailey/Howe Library, University of Vermont. (Z699.5.G6A3). 
 Bibliographical references: p. 27.
 
 Language:  English; English
 
 Descriptors: Acid pollution of rivers, lakes, etc; Hydrology
 
 
 224                              NAL Call. No.: QH545.A1E52
 The exchange of nitric oxide, nitrogen dioxide and ozone between
 pasture and the atmosphere.
 Hargreaves, K.J.; Fowler, D.; Storeton-West, R.L.; Duyzer, J.H.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (1): p. 53-59; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: South east england; Pasture plants; Pastures; Nitric
 oxide; Nitrogen dioxide; Ozone; Air pollution; Gas exchange;
 Deposition; Stomata; Canopy; Atmosphere
 

 225                                 NAL Call. No.: QH540.J6
 Exposing loblolly pine seedlings to acid precipitation and ozone:
 effects on soil rhizosphere chemistry.
 Ruark, G.A.; Thornton, F.C.; Tiarks, A.E.; Lockaby, B.G.;
 Chappelka, A.H.; Meldahl, R.S.
 Madison, Wis. : American Society of Agronomy; 1991 Oct.
 Journal of environmental quality v. 20 (4): p. 828-832; 1991 Oct. 
 Includes references.
 
 Language:  English
 
 Descriptors: Pinus taeda; Ozone; Air pollution; Acid rain;
 Rhizosphere; Soil chemistry; Calcium ions; Aluminum; Magnesium;
 Hydrogen ions; Ph; Rain; Seedlings
 
 Abstract:  Rhizosphere and nonrhizosphere soils were sampled in
 association with the roots of field-grown, 1-year-old loblolly
 pine (Pinus taeda L.) that had been exposed to simulated acidic
 precipitation and treatments. Soil samples adjacent to roots and
 from the bulk soil were analyzed separately for H+, Al3+, Ca2+,
 and Mg2+ concentrations. For the acid precipitation treatment, H+
 levels were significantly greater in the rhizosphere compared
 with the bulk soil, but no clear trend could be attributed to
 acidic precipitation levels. Hydrogen ion concentrations
 associated with the O3, levels, at times, differed significantly
 by treatment, but not between rhizosphere and bulk soil. Rain pH
 and O3 level produced no statistically significant distinction
 between rhizosphere and nonrhizosphere soil for Al3+, Ca2+, or
 Mg2+. However, after combining rhizosphere and nonrhizosphere
 soil samples, Al3+ concentrations were found to generally
 increase as rain pH decreased, whereas Ca2+ and Mg2+ followed the
 opposite pattern. No such pattern for O3 level was apparent.
 Significant interactions between acid precipitation and O3
 treatments were not detected.
 
 
 226                              NAL Call. No.: QH545.A1E52
 Exposure of two upland plant species to acidic fogs.
 Ashenden, T.W.; Rafarel, C.R.; Bell, S.A.
 Essex : Elsevier Applied Science; 1991.
 Environmental pollution v. 74 (3): p. 217-225; 1991.  Includes
 references.
 
 Language:  English
 
 Descriptors: Poa alpina; Epilobium; Acid deposition; Air
 pollution; Fog; Mists; Phytotoxicity; Dry matter accumulation;
 Dry matter distribution; Roots; Shoots; Root shoot ratio;
 Flowering; Growth chambers
 
 
 227                    NAL Call. No.: GB701.W375 no.91-4039
 External quality-assurance results for the National Atmospheric
 Deposition Program/National Trends Network during 1989.. 
 External quality assurance results for the National Atmospheric
 Deposition Program/Nat ional Trends Network During 1989
 Willoughby, Timothy C.
 Geological Survey (U.S.)
 Denver, Colo. : U.S. Geological Survey : Books and Open-File
 Reports Section [distributor],; 1991.
 iv, 26 p. : ill. ; 28 cm. (Water resources investigations report
 ; 91-4039). Includes bibliographical references (p. 26).
 
 Language:  English
 
 Descriptors: Acid deposition
 
 
 228                   NAL Call. No.: GB701.W375  no.92-4101
 External quality-assurance results for the National Atmospheric
 Deposition Program/National Trends Network during 1990.. 
 External quality assurance results for the National Atmospheric
 Deposition Program/National Trends Network during 1990
 Nilles, Mark A.
 Geological Survey (U.S.)
 Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological
 Survey : Books and Open-File Reports Section [distributor],;
 1993; I 19.42/4:92-4101. iv, 33 p. : ill., maps ; 28 cm. (Water-
 resources investigations report ; 92-4101).  Shipping list no.:
 93-0500-P.  Includes bibliographical references (p. 32-33).
 
 Language:  English; English
 
 Descriptors: Acid deposition
 
 
 229                                NAL Call. No.: QH540.E23
 Extreme anthropogenic loads and the northern ecosystem condition.
 Kryuchkov, V.V.
 Tempe, Ariz. : Ecological Society of America; 1993 Nov.
 Ecological applications : a publication of the Ecological Society
 of America v. 3 (4): p. 622-630; 1993 Nov.  Includes references.
 
 Language:  English
 
 Descriptors: Siberia; Cabt; Boreal forests; Tundra; Air
 pollution; Sulfur dioxide; Sulfate; Nickel; Copper; Manganese;
 Zinc; Deposition; Plant ecology; Forest ecology; Forest
 influences; Indicator plants; Lichens; Mosses; Conifers;
 Phytotoxicity
 
 
 230                        NAL Call. No.: VtUQA76.9P73 1984 A
 facility for graphical display of synoptic weather maps a user's
 guide. Pressnail, J.
 Ontario Hydro, Research Division
 Toronto, Ont. : Ontario Hydro Research Division,; 1984.
 15 leaves : ill., maps ; 28 cm. (Report (Ontario Hydro. Research
 Division) ; no. 83-502-K.).  February 1, 1984.
 
 Language:  English
 
 Descriptors: Synoptic meteorology; Acid precipitation
 (Meteorology); Computer graphics
 
 
 231                                 NAL Call. No.: QH540.J6
 Factors affecting preferential flow of water and atrazine through
 earthworm burrows under continuous no-till corn.
 Edwards, W.M.; Shipitalo, M.J.; Owens, L.B.; Dick, W.A.
 Madison : American Society Of Agronomy,; 1993 Jul.
 Journal of environmental quality v. 22 (3): p. 453-457; 1993 Jul. 
 Paper presented at the USDA-ARS Beltsville Agricultural Research
 Center Symposium XVII, "Agricultural Water Quality Priorities, A
 Team Approach to Conserving Natural Resources," May 4-8, 1992,
 Beltsville, MD.  Includes references.
 
 Language:  English
 
 Descriptors: Lumbricus terrestris; Animal burrows; Soil water
 movement; Atrazine; Leaching; Simulation; Rain; Storms; Macropore
 flow; Zea mays; Continuous cropping; No-tillage
 
 Abstract:  Watershed studies have documented that summer storms
 produce less runoff from fields farmed with continuous no-tillage
 corn (Zea mays L.) than from the same soils when corn is Produced
 with conventional tillage practices. The lack of tillage favors a
 continuous surface cover of crop residue and the persistence of
 earthworm burrows, which have been shown to be preferential flow
 paths for water and chemicals, especially during intense summer
 storms. We investigated factors affecting preferential water and
 chemical transport in burrows formed by the earthworm Lumbricus
 terrestris (L.) in the field using individual burrow samplers and
 in the laboratory using blocks of subjected to simulated
 rainfall. Rainfall amount and intensity and antecedent soil
 moisture content affected the amount of water transmitted in
 earthworm burrows, with high intensity storms on relatively dry
 no-till soils producing the greatest amounts of preferential
 flow. Atrazine
 2-chloro-4-ethylamino-6-isopropylamino-s-triazine) transport was
 affected by the factors influencing the amount of preferential
 flow and by the time of storms relative to the time of herbicide
 application. Atrazine movement in earthworm burrows was greatest
 when high-intensity rainfall occurred shortly after application.
 Atrazine transport was reduced by a delay in rainfall and by low-
 intensity events prior to high intensity, percolate-producing
 events.
 
 
 232                              NAL Call. No.: QH545.A1E52
 Factors influencing nitrogen retention in forest soils.
 Duckworth, C.M.S.; Cresser, M.S.
 Essex : Elsevier Applied Science; 1991.
 Environmental pollution v. 72 (1): p. 1-21; 1991.  Includes
 references.
 
 Language:  English
 
 Descriptors: Scotland; Forest soils; Coniferous forests;
 Nitrogen; Nitrogen retention; Leaching; Soil temperature; Nitrate
 nitrogen; Ammonium nitrogen; Inorganic salts; Application rates;
 Duration; Horizons; Picea sitchensis; Pinus sylvestris; Larix
 leptolepis; Calluna; Species differences; Temperate climate;
 Oceanic climate; Acid deposition; Soil pollution
 
 
 233                                 NAL Call. No.: QH540.J6
 Field corn response to acid rain-drought stress interaction.
 Banwart, W.L.; Ziegler, E.L.; Porter, P.M.
 Madison, Wis. : American Society of Agronomy; 1990 Apr.
 Journal of environmental quality v. 19 (2): p. 321-324; 1990 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Illinois; Zea mays; Cultivars; Acid rain; Ph; Water
 stress; Pollination; Pollen; Viability; Crop yield
 
 Abstract:  Two studies were conducted in 1988 to examine the
 effects of simulated acid rain in combination with various levels
 of drought stress on the grain yield of field grown corn (Zea
 mays L., 'B73 X Mo17' and 'FS854'). In both studies corn was
 treated with twice weekly applications of simulated rainfall of
 pH 5.6 or 3.0 at amounts that totaled 100% (30 cm), 50% (15 cm),
 and 25% (7.5 cm) of the seasonal average for Champaign-Urbana,
 IL. In addition to those treatments, in one of the studies the
 plants were subjected to daily wetting with the appropriate
 simulated rain from tassel emergence through pollination and
 fertilization. In both studies, reduced moisture levels resulted
 in significant reduction in grain yield but simulated rain of pH
 3.0 had no effect on yield at any of the moisture levels studied.
 For both cultivars in both studies, reducing rainfall application
 from seasonal average to one-half of the normal decreased yields
 by approximately 30%. When only one-fourth of the seasonal
 rainfall amount was applied, yields were decreased between 40 and
 55% compared to the yield for plants receiving the seasonal
 average rainfall. Results from these studies suggest that
 application of simulated acid rain of pH 3.0 had little or no
 negative effect on grain yield of the corn cultivars evaluated,
 even when relatively severe moisture stress was present, and when
 plants were subjected to daily wetting from tassel emergence
 through fertilization.
 
 
 234                               NAL Call. No.: QH345.B564 A
 field study on the fate of 15N-ammonium to demonstrate
 nitrification of atmospheric ammonium in an acid forest soil.
 Stams, A.J.M.; Booltink, H.W.G.; Lutke-Schipholt, I.J.;
 Beemsterboer, B.; Woittiez, J.R.W.; Breemen, N. van
 Dordrecht : Kluwer Academic Publishers; 1991.
 Biogeochemistry v. 13 (3): p. 241-255; 1991.  Includes
 references.
 
 Language:  English
 
 Descriptors: Netherlands; Acid soils; Forest soils;
 Acidification; Air pollution; Ammonium sulfate; Isotope labeling;
 Monitoring; Nitrates; Nitrogen; Soil analysis
 
 
 235                                 NAL Call. No.: QH540.S8
 Finnish Research Programme on Acidification (HARPO) 1985-1990.
 Kauppi, P.E.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 431-442; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Finland; Acidification; Acid deposition; Air
 pollution; Sulfur; Nitrogen; Sulfate; Soil pollution; Forest
 soils; Coniferous forests; Decline; Phytotoxicity; Research
 projects; Environmental policy
 
 
 236                               NAL Call. No.: HC79.P55J6 A
 Finnish-Soviet acid rain game: noncooperative equilibria, cost
 efficiency, and sulfur agreements.
 Tahvonen, O.; Kaitala, V.; Pohjola, M.
 Orlando, Fla. : Academic Press; 1993 Jan.
 Journal of environmental economics and management v. 24 (1): p.
 87-100; 1993 Jan.  Includes references.
 
 Language:  English
 
 Descriptors: Finland; U.S.S.R.; Acid rain; Air pollution; Sulfur;
 Cost benefit analysis; Cooperation
 
 Abstract:  This study analyzes cost effectiveness in
 environmental cooperation between Finland and the Soviet Union.
 It is assumed that the aim of both countries is to attain a given
 target deposition level at minimum possible sulfur abatement
 costs. Cost-effective cooperation is compared to noncooperative
 equilibrium and to the agreement on sulfur emissions between
 these two countries. It is shown that the agreement is not cost-
 effective, implies higher abatement costs than under
 noncooperation, and is strategically unstable. However, the cost
 differences and the incentives to cheat are small. The
 computations reveal that the main source of potential cooperation
 benefits is not asymmetrical emission transportation or
 differences in abatement costs but rather different target
 deposition levels for Finland and the Soviet Union.
 
 
 237                               NAL Call. No.: QH84.8.B46
 Five-year trends in soil arthropod densities in pine forests with
 various levels of vitality.
 Hogervorst, R.F.; Verhoef, H.A.; van Straalen, N.M.
 Berlin : Springer International; 1993.
 Biology and fertility of soils v. 15 (3): p. 189-195; 1993. 
 Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Soil fauna; Arthropod communities;
 Arthropods; Density; Indicator species; Acid deposition; Decline;
 Pinus sylvestris; Forest soils
 
 
 238                                   NAL Call. No.: QR1.F4
 Flux of NOx between soil and atmosphere: importance and soil
 microbial metabolism.
 Conrad, R.
 Madison, Wis. : Science Tech Publishers; 1990.
 FEMS symposium - Federation of European Microbiological Societies
 (56): p. 105-128; 1990.  In the series analytic: Denitrification
 in soil and sediment / edited by N.P. Revsbech and J. Sorensen.
 Proceedings of a Symposium, June 6-9, 1990, Aarhus, Denmark. 
 Literature review.  Includes references.
 
 Language:  English
 
 Descriptors: Denitrification; Denitrifying microorganisms;
 Microbial activities; Nitrification; Nitrogen cycle; Nitrogen
 metabolism; Nitrogen oxides; Soil biology; Atmosphere; Climatic
 change; Literature reviews; Ozone
 
 
 239                              NAL Call. No.: QH545.A1E52
 Fluxes of ions in precipitation, throughfall and stemflow in an
 urban forest in Kuala Lumpur, Malaysia.
 Abas, M.R.; Ahmad-Shah, A.; Awang, M.N.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (2): p. 209-213; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Peninsular malaysia; Tropical forests; Acid rain;
 Throughfall; Stemflow; Ph; Chemical composition; Mineral content;
 Ions; Canopy; Interception; Urban environment; Air pollution; Air
 pollutants; Leaching
 

 240                              NAL Call. No.: QH545.A1E52
 Foliar injury in young Betula pendula Roth., Salix purpurea L.
 and Ilex aquifolium L. trees and in propagated Taxus baccata L.
 shoots exposed to intermittent fog at a range of acidities.
 Barker, M.G.; Ashenden, T.W.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 80 (2): p. 123-127; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Betula pendula; Ilex aquifolium; Salix purpurea;
 Taxus baccata; Acid deposition; Fog; Ph; Abiotic injuries;
 Leaves; Foliar diagnosis; Species differences
 
 
 241                                  NAL Call. No.: 450 R11
 Foliar injury responses of ponderosa pine seedlings to ozone, wet
 and dry acidic deposition, and drought.
 Temple, P.J.; Riechers, G.H.; Miller, P.R.
 Oxford : Pergamon Journals; 1992 Apr.
 Environmental and experimental botany v. 32 (2): p. 101-113; 1992
 Apr. Includes references.
 
 Language:  English
 
 Descriptors: California; Pinus ponderosa; Ozone; Air pollution;
 Acid deposition; Acid rain; Drought; Interactions; Phytotoxicity;
 Pine needles; Genotypes; Genotype environment interaction; Water
 stress; Seedlings; Mountains; Chlorosis; Necroses; Growth
 chambers
 
 
 242                                 NAL Call. No.: SD13.C35
 Foliar sulfur and nitrogen along an 800-km pollution gradient.
 Pregitzer, K.S.; Burton, A.J.; Mroz, G.D.; Liechty, H.O.;
 MacDonald, N.W. Ottawa, Ont. : National Research Council of
 Canada; 1992 Nov. Canadian journal of forest research; Revue
 canadienne de recherche forestiere v. 22 (11): p. 1761-1769; 1992
 Nov.  Paper presented at the conference on "Emerging issues in
 northern hardwood management: air pollution, climate change and
 biodiversity," held May 21-23, 1991, Mission Point Resort,
 Mackinac Island, Michigan.  Includes references.
 
 Language:  English
 
 Descriptors: Lake states of U.S.A.; Hardwoods; Acid deposition;
 Sulfur; Nitrogen; Throughfall; Nutrient uptake; Cycling; Foliar
 nutrition; Forest litter; Sulfates; Nitrates; Geographical
 distribution
 
 Abstract:  Emissions of sulfur (S) and nitrogen (N) oxides in the
 midwestern and northeastern United States result in pronounced
 regional gradients of acidic deposition. The objective of this
 study was to determine the extent to which atmospheric deposition
 alters the uptake and cycling of S and N in five analogous
 northern hardwood forests located along one of the most
 pronounced regional gradients of SO4(2-) -S and NO3(-)-N
 deposition in the United States. We tested the hypothesis that
 acidic deposition would alter foliar S and N ratios and nutrient
 cycling in aboveground litter fall. Sulfate in both wet
 deposition and throughfall increased by a factor of two across
 the 800-km deposition gradient. The July concentration of S in
 sugar maple (Acer saccharum Marsh.) leaves increased from about
 1600 microgram. g(-1) at the northern research sites to 1800-1900
 microgram.g(-1) at the southern sites. Differences in leaf litter
 S concentration were even more pronounced (872-1356
 microgram.g(-1), and a clear geographic trend was always apparent
 in litter S concentration. The 3-year average S content of leaf
 litter was 63% greater at the southern end of the pollution
 gradient. Nitrate and total N deposition were also significantly
 greater at the southern end of the gradient. The concentration of
 N in both summer foliage and leaf litter was not correlated with
 N deposition, but the content of N in leaf litter was
 significantly correlated with N deposition. The molar ratios of
 S:N in mid-July foliage and leaf litter increased as atmospheric
 deposition Of SO4(2-)-S increased. Ratios of S:N were always much
 greater in leaf litter than in mid-July foliage. The molar ratios
 of S:N retranslocated from the canopies of these northern
 hardwood forests were less than those in mid-July foliage or
 litter fall and showed no geographic trend related to deposition,
 suggesting that S and N are retranslocated in a relatively fixed
 proportion, Significant correlations between SO4(2-)-S deposition
 and
 
 
 243               NAL Call. No.: VtUFich E1.9 CONF 860113-1
 Forecasting transportation activity and emissions for the
 National Acid Precipitation Assessment Program by Christopher L.
 Saricks and Anant D. Vyas. Saricks, Christopher L.; Vyas, Anant
 Center for Transportation Research (Argonne National Laboratory),
 National Acid Precipitation Assessment Program (U.S.),National
 Research Council (U.S.),Transportation Research Board,
 Meeting_1985 :_Washington, D.C.),United States, Office of the
 Assistant Secretary for Fossil Energy, United States, Dept. of
 Energy, Technical Information Center
 Argonne, Ill. : Center for Transporation Research, Argonne
 National Laboratory,; 1985, reprinted 1986.
 [38] p. : ill.  Prepared for the 65th annual meeting of the
 Transporation Research Board, Washington, D.C.  Work supported by
 the U.S. Dept. of Energy, Assistant Secretar for Fossil Energy,
 under contract W-31-109-Eng-38.  DE85 018352.  EDB-500200. 
 Bibliography: p.22.
 
 Language:  English; English
 
 Descriptors: Transportation
 
 
 244                           NAL Call. No.: QK751.L57 1985
 Forest damage and acidic precipitation..  Coping with the spruce
 budworm Linzon, Samuel N.,; Irving, H. J.
 Toronto, Ont., Canada : Faculty of Forestry, University of
 Toronto,; 1985. 42 p. : ill., ports. ; 22 cm. (E. B. Eddy
 distinguished lectures series). Cover title.  Bibliography: p.
 26-30.
 
 Language:  English
 
 Descriptors: Spruce budworm; Aerial spraying and dusting in
 forestry; Acid rain; Plants, Effect of acid precipitation on
 
 
 245                              NAL Call. No.: QH545.A1E58
 Forest health along a wet sulfate/pH deposition gradient in
 north-central Pennsylvania.
 Nash, B.L.; Davis, D.D.; Skelly, J.M.
 Tarrytown, N.Y. : Pergamon Press; 1992 Aug.
 Environmental toxicology and chemistry v. 11 (8): p. 1095-1104;
 1992 Aug. Paper presented at the "Symposium on Forest Health
 Issues on a Global Perspective, 11th Annual Meeting of the
 Society of Environmental Toxicology and Chemistry, November
 11-15, 1990, Arlington, Virginia.  Includes references.
 
 Language:  English
 
 Descriptors: Pennsylvania; Forests; Vigor; Air pollutants; Sulfur
 dioxide; Acid deposition; Sulfates; Hydrogen ions; Quercus rubra;
 Quercus alba; Acer rubrum; Prunus serotina; Nyssa sylvatica;
 Amelanchier; Hamamelis Virginiana; Cornus florida; Canopy; Foliar
 diagnosis; Stems; Trunks; Dieback; Insect pests
 
 
 246                             NAL Call. No.: S544.3.W6W53
 Forest impacts: acid rain, air pollutants and other stress
 factors. Cowling, E.; Johnson, J.; May, T.
 Madison, Wis. : The Service; 1989.
 Publication - University of Wisconsin, Cooperative Extension
 Service (G3305-9): 6 p.; 1989.  In subseries: Acid Rain in
 Wisconsin.
 
 Language:  English
 
 Descriptors: Wisconsin; Acid rain; Forest damage; Air pollutants;
 Stress factors
 
 
 247                                 NAL Call. No.: QL461.S4
 Forest insect trends along an acidic deposition gradient in the
 central United States.
 Haack, R.A.
 Dordrecht, The Netherlands : Kluwer Academic Publishers; 1992.
 Series entomologica v. 49: p. 55-56; 1992.  Paper presented at
 the 8th International Symposium on Insect-Plant Relationships,
 March 9-13, 1992, Wageningen, The Netherlands.  Includes
 references.
 
 Language:  English
 
 Descriptors: U.S.A.; Cabt; Forest trees; Insect pests; Acid
 deposition
 
 
 248                           NAL Call. No.: SB745.N71 1991
 Forest potentials and policy implications a summary of a study of
 eastern and western European forests by the International
 Institute for Applied Systems Analysis.
 Nilsson, Sten; Sallnas, Ola; Duinker, Peter
 International Institute for Applied Systems Analysis
 Laxenburg, Austria : International Institute for Applied Systems
 Analylsis,; 1991.
 xi, 39 p. : ill. ; 24 cm. (Executive report (International
 Institute for Applied Systems Analysis) ; 17.).  February 1991. 
 Includes bibliographical references (p. 39).
 
 Language:  English; English
 
 Descriptors: Forests and forestry; Acid precipitation; Acid rain;
 Forest ecology; Air
 
 
 249                                NAL Call. No.: QH540.E23
 Forest response research in NAPAP: potentially successful linkage
 of policy and science.
 Loucks, O.L.
 Tempe, Ariz. : Ecological Society of America; 1992 May.
 Ecological applications v. 2 (2): p. 117-123; 1992 May.  Includes
 references.
 
 Language:  English
 
 Descriptors: Michigan; Minnesota; Pennsylvania; North central
 states of U.S.A.; Arkansas; Kentucky; Acid rain; Air pollution;
 Forest trees; Broadleaved deciduous forests; Phytotoxicity;
 Research projects; Research policy; Applied research; Forest
 ecology
 
 
 250                                 NAL Call. No.: QH540.S8
 Forest vegetation and acidification: a critical review.
 Schlaepfer, R.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 27-44; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Literature review.  Includes references.
 
 Language:  English
 
 Descriptors: Forests; Acidification; Acid deposition; Air
 pollution; Forest damage; Decline; Research policy; Literature
 reviews
 
 
 251                                NAL Call. No.: S596.7.D4
 Geographic relationships between soil and water acidity, soil-
 forming factors and acid rain.
 Krug, E.C.
 Dordrecht : Kluwer Academic Publishers; 1991.
 Developments in plant and soil sciences v. 45: p. 123-137; 1991. 
 In the series analytic: Plant-soil interactions at low pH /
 edited by R.J. Wright, V.C. Baligar and R.P. Murrmann.
 Proceedings of the second international symposium, June 24-29,
 1990, Beckley, West Virginia.  Includes references.
 
 Language:  English
 
 Descriptors: North America; Europe; Australia; Acid soils; Acid
 rain; Geographical distribution; Land use
 
 Abstract:  Acid rain has been credited for the existence of most
 pH < 6.0 surface waters in eastern North America and northern
 Europe. The absence or presence of acidic surface waters are
 reportedly due to the absence or presence of acid rain. However,
 climate is responsible for two regional distributions-acid rain
 and acid soils. Moist climates with reasonable growing seasons
 are needed to develop regionally-acidic soils and to support
 sufficient human population and activity to generate regionally-
 acidified precipitation. That the pH of water passing through
 acid soils resembles soil pH and is but little influenced by the
 acidity of precipitation; acidic waters were nearly as common in
 areas receiving acid rain in pre-industrial times as they are
 today; regional land-use changes co-occur with acid rain, and;
 acidic surface waters are comparatively common in Southern
 Hemisphere watersheds with acid soils in the absence of acid rain
 all indicate that acid rain incrementally adds to the acidity of
 surface waters rather than creating the perceived profound
 widespread aquatic acidification.
 
 
 252                                 NAL Call. No.: QH540.S8
 Global environmental change: implications for acid deposition
 research. Waters, D.J.; Whitehead, P.G.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 45-53; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Air pollution; Acid deposition; Plant ecology;
 Vegetation; Land use; Climatic change; Acidification
 
 
 253                                 NAL Call. No.: 470 C16D
 Growth and secondary production of Paracapnia angulata Hanson
 (Plecoptera; Capniidae) in Appalachian streams affected by acid
 precipitation. Griffith, M.B.; Perry, S.A.; Perry, W.B.
 Ottawa, Canada : National Research Council of Canada; 1993 Apr.
 Canadian journal of zoology v. 71 (4): p. 735-743; 1993 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: West Virginia; Plecoptera; Growth; Reproduction;
 Acid rain; Streams
 
 
 254                                 NAL Call. No.: SD13.C35
 Growth and water relationships of red spruce seedlings exposed to
 atmospheric deposition and drought.
 Roberts, B.R.; Cannon, W.N. Jr
 Ottawa, Ont. : National Research Council of Canada; 1992 Feb.
 Canadian journal of forest research; Journal canadien de
 recherche forestiere v. 22 (2): p. 193-197; 1992 Feb.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea rubens; Seedlings; Growth; Plant water
 relations; Water stress; Drought; Ozone; Acid rain; Simulation;
 Plant height; Roots; Shoots; Water potential
 
 Abstract:  Two-year-old containerized seedlings of red spruce
 (Picea rubens Sarg.) were subjected to ozone (O3) fumigation
 (0.25 ppm), simulated acid rain (pH 4.2 or 3.0), and drought
 prior to measurement of changes in growth and plant water status.
 Drought caused a significant decline in terminal height growth
 and new-shoot dry weight, but old-shoot dry weight, root dry
 weight, and root/shoot ratio were not appreciably affected.
 Deposition treatment (O3 and (or) acid rain) influenced both
 shoot and root dry weight but did not significantly affect height
 or root/shoot ratio. Treatment with either 0.25 PPM O3 alone or
 pH 3.0 rainfall alone caused the greatest reduction in growth,
 while treatment with 0.25 PPM O3 + pH 4.2 rain had the least
 effect. The influence of deposition treatment generally was more
 pronounced in seedlings subjected to drought than in well-watered
 plants. Seedlings subjected to drought had lower (more negative)
 water potentials than well-watered plants regardless of
 deposition treatment. While there were no significant differences
 in the water status of well-watered seedlings exposed to various
 deposition treatments, xylem water potential and osmotic
 potential of drought-stressed seedlings treated with O3 alone
 were consistently lower than these characteristics in seedlings
 treated with O3 + acid rain together. Except for one deposition
 treatment (0.25 PPM O3 + pH 3.0 rain) there was no evidence for
 osmotic adjustment of red spruce seedlings in response to stress
 factors imposed in this study.
 

 255                                  NAL Call. No.: 410 M58
 Growth and xylem water potential of white oak and loblolly pine
 seedlings as affected by simulated acidic rain.
 Walker, R.F.; McLaughlin, S.B.
 Notre Dame, Ind. : University of Notre Dame; 1993 Jan.
 American midland naturalist v. 129 (1): p. 26-34; 1993 Jan. 
 Includes references.
 
 Language:  English
 
 Descriptors: Pinus taeda; Quercus alba; Seedlings; Xylem water
 potential; Growth; Acid rain; Drought; Soil fertility; Soil ph
 
 
 256                                NAL Call. No.: TD172.J68
 Growth response of four species of eastern hardwood tree
 seedlings exposed to ozone, acidic precipitation, and sulfur
 dioxide.
 Davis, D.D.; Skelly, J.M.
 Pittsburgh, Pa. : The Association; 1992 Mar.
 Journal of the Air & Waste Management Association v. 42 (3): p.
 309-311; 1992 Mar.  Includes references.
 
 Language:  English
 
 Descriptors: Pennsylvania; Air pollutants; Ozone; Acid rain;
 Sulfur dioxide; Prunus serotina; Acer rubrum; Quercus rubra;
 Liriodendron tulipifera; Seedlings; Exposure; Growth;
 Productivity; Responses
 
 
 257                                 NAL Call. No.: SD13.C35
 Growth response of young slash pine trees to simulated acid rain
 and ozone stress.
 Dean, T.J.; Johnson, J.D.
 Ottawa, Ont. : National Research Council of Canada; 1992 Jun.
 Canadian journal of forest research; Revue canadienne de
 recherche forestiere v. 22 (6): p. 839-848; 1992 Jun.  Includes
 references.
 
 Language:  English
 
 Descriptors: Pinus elliottii; Ozone; Acid rain; Stress; Stress
 response; Growth; Plant height; Diameter; Increment; Volume;
 Stems; Leaf area
 
 Abstract:  To assess the impact of acid rain and ozone stress on
 the growth and physiology of slash pine (Pinus elliottii Engelm.
 var. elliottii), four half-sib families of slash pine were
 planted in large open-top chambers and exposed 28 months to
 factorial combinations of three rain acidities (pH 3.3, 4.3, and
 5.3) and four concentrations of ozone (subambient produced with
 carbon filtration, ambient, two times ambient, and three times
 ambient). Growth was assessed by seasonal stem diameter and
 height increments and by stem volume increment at steady-state
 conditions. Information on tree physiology was obtained
 indirectly from estimates on mean unit leaf rate, a measure of
 the net assimilation capacity of the tree. Among the growth
 variables, only volume increment showed a consistent year to year
 response to acid rain and ozone. The aid rain x ozone interaction
 was significant for volume increment each year and was the result
 of trees in the two times ambient ozone level having greater
 sensitivity to rain acidity. Both acid rain and ozone
 significantly affected mean unit leaf rate; however, this effect
 weakened with time, suggesting some degree of physiological
 acclimation. Increasing rain acidity significantly increased mean
 leaf area only during the first growth period. Ozone
 significantly decreased mean leaf area all three growth periods,
 with the effect intensifying each year. Complex family
 interactions with acid rain and ozone masked any clear family
 sensitivities to the pollutants.
 
 
 258                                 NAL Call. No.: SD13.C35
 Growth response of young slash pine trees to simulated acid rain
 and ozone stress.
 Dean, T.J.
 Canadian journal of forest research; Revue canadienne de
 recherche forestiere. p. 839-848; 1992 Jun.  Includes references.
 
 Language:  English
 
 Descriptors: Pinus elliottii; OzoRecord - 30
 
 Abstract:  To assess the impact of acid rain and ozone stress on
 the growth and physiology of slash pine (Pinus elliottii Engelm.
 var. elliottii), four half-sib families of slash pine were
 planted in large open-top chambers and exposed 28 months to
 factorial combinations of three rain acidities (pH 3.3, 4.3, and
 5.3) and four concentrations of ozone (subambient produced with
 carbon filtration, ambient, two times ambient, and three times
 ambient). Growth was assessed by seasonal stem diameter and
 height increments and by stem volume increment at steady-state
 conditions. Information on tree physiology was obtained
 indirectly from estimates on mean unit leaf rate, a measure of
 the net assimilation capacity of the tree. Among the growth
 variables, only volume increment showed a consistent year to year
 response to acid rain and ozone. The aid rain x ozone interaction
 was significant for volume increment each year and was the result
 of trees in the two times ambient ozone level having greater
 sensitivity to rain acidity. Both acid rain and ozone
 significantly affected mean unit leaf rate; however, this effect
 weakened with time, suggesting some degree of physiological
 acclimation. Increasing rain acidity significantly increased mean
 leaf area only during the first growth period. Ozone
 significantly decreased mean leaf area all three growth periods,
 with the effect intensifying each year. Complex family
 interactions with acid rain and ozone masked any clear family
 sensitivities to the pollutants.
 
 
 259                                 NAL Call. No.: SD13.C35
 Growth responses of ponderosa pine to long-term exposure to
 ozone, wet and dry acidic deposition, and drought.
 Temple, P.J.; Riechers, G.H.; Miller, P.R.; Lennox, R.W.
 Ottawa, Ont. : National Research Council of Canada; 1993 Jan.
 Canadian journal of forest research; Revue canadienne de
 recherche forestiere v. 23 (1): p. 59-66; 1993 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: California; Pinus ponderosa; Seedlings; Ozone; Acid
 deposition; Acid rain; Drought; Soil water; Growth; Biomass
 production; Pine needles; Stems; Roots; Pollutants
 
 Abstract:  A 3-year field study of the cumulative effects of
 ozone (O3), wet and dry acidic deposition, and soil water
 availability was conducted on ponderosa pine (Pinus ponderosa
 Laws.) in the Sierra Nevada of California from 1988 to 1990.
 Thirty-six 2-year-old potted seedlings were placed in each of 30
 chambers and exposed from May through October to three levels of
 O3 (charcoal-filtered (CF), nonfiltered (NF), and NF plus 1.5
 times ambient O3 (NF150)); three levels of acidity in simulated
 rain (pH /3.5, 4.4, 5.3); two levels of dry deposition (60 or 90%
 filtration), and two levels of soil water availability (well
 watered (W/W) or drought stressed (DS)). An additional six plots
 served as ambient air (AA) controls. One-third (432) of the trees
 were harvested at the end of each exposure season. Low soil water
 availability was the only stress factor to significantly affect
 growth following the first exposure season. After the second
 season, O3 significantly reduced foliar biomass in WW-NF150
 trees, but DS seedlings did not respond to O3. After 3 years of
 exposure, WW-NF150 trees averaged 70% loss of 1988 needles and
 48% loss of 1989 foliage. Ozone-injured seedlings compensated for
 these losses by increased growth of current-year needles and
 stems and also increased growth of fine feeder roots. Radial stem
 growth and coarse-root growth were significantly reduced in O3-
 injured trees. DS trees in NF150 chambers averaged half the
 needle loss of WW trees and showed no reduction in radial growth
 in response to O3. Rain pH and dry deposition had no direct
 effects on growth of ponderosa pine. These cumulative responses
 to interacting stresses indicate the importance of
 multifactorial, long-term studies to evaluate forest tree
 responses to atmospheric deposition.
 
 
 260                               NAL Call. No.: QL461.E532
 Gypsy moth (Lepidoptera: Lymantriidae) consumption and
 utilization of northern red oak and white oak foliage exposed to
 simulated acid rain and ozone. Cannon, W.N. Jr
 Lanham, Md. : Entomological Society of America; 1993 Jun.
 Environmental entomology v. 22 (3): p. 669-673; 1993 Jun. 
 Includes references.
 
 Language:  English
 
 Descriptors: Quercus alba; Quercus rubra; Lymantria dispar;
 Feeding behavior; Acid rain; Ozone
 
 Abstract:  Two-year-old seedlings of white oak, Quercus alba L.,
 and red oak, Q. rubra L., were exposed to ozone (O3) fumigations
 in four continuously stirred tank reactor chambers in the
 greenhouse for 8 h/d, 3 d/wk for 6 wk. Fumigation treatments were
 charcoal-filtered air (CFA) and CFA + 0.15 ppm O3. Two simulated
 rain treatments, pH 4.2 and pH 3.0, of approximately 1.25 cm were
 applied once each week in rain-simulation chambers. Gypsy moth,
 Lymantria dispar (L.), third instars were allowed to feed on leaf
 disks from treated seedlings for 24 h. Leaf area consumed, food
 assimilated, weight gain, and relative growth rate (RGR) were
 examined. Overall, larvae fed white oak foliage consumed more
 foliage and gained more weight than those fed red oak foliage.
 Response to the fumigation and rain treatments was different for
 each oak species. On white oak foliage, larvae consumed
 significantly less foliage treated with CFA + pH 3.0 rain, but
 the lowest RGR occurred with the 0.15 ppm O3 + pH 4.2 rain
 treatment. The most food assimilated, greatest weight gain, and
 highest RGR occurred with the CFA + pH 4.2 rain control. Red oak
 foliage consumed was equivalent for all treatments, but foliage
 exposed to CFA + pH 3.0 rain resulted in more food assimilated,
 greater weight gain, and higher RGR for that species.
 
 
 261                              NAL Call. No.: QH545.A1E52
 Height growth of northern red oak in relation to site and
 atmospheric deposition in Pennsylvania.
 McClenahen, J.R.; Long, R.P.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 80 (2): p. 105-114; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Pennsylvania; Quercus rubra; Acid deposition; Air
 pollutants; Sulfate; Plant height; Growth rate; Site factors;
 Soil properties; Spatial variation; Temporal variation
 
 
 262                                NAL Call. No.: 292.8 J82
 Hydrochemical cycles in tropical rainforests: an overview with
 emphasis on Central Amazonia.
 Forti, M.C.; Neal, C.
 Amsterdam : Elsevier Scientific Publishers, B.V.; 1992 Jun.
 Journal of hydrology v. 134 (1/4): p. 103-115; 1992 Jun. 
 Includes references.
 
 Language:  English
 
 Descriptors: Tropical rain forests; Throughfall; Rain; Acidity;
 Ph; Ions; Soil solution; Groundwater; Surface water
 
 Abstract:  The ionic content of the solutions found in the
 hydrological cycle component that cross the aerial phytomass
 (rainfall and throughfall), percolate through the root zone and
 drain to streams, for tropical rainforest, particularly in
 Central Amazonia, is examined. The rain waters in tropical
 rainforest are, in general, acidic and they provide the main
 chemical input to the rainforest ecosystem. The cycling of
 elements in the ecosystem, dominated by the transfer of compounds
 between throughfall and soil solution at shallow depth,
 contributes a much greater flux than that from rainfall input and
 stream output.
 
 
 263                         NAL Call. No.: 99.9 R273 Nr.162
 Immissionen und Waldschaden Bibliographie, VI, 1987 = Air
 pollution and forest damage : bibliography, VI, 1987..  Air
 pollution and forest damage Schrader, S.; Schonwald, H. R.
 Hamburg : Kommissionsverlag Buchh. M. Wiedebusch,; 1989.
 v, 411 p. ; 30 cm. (Mitteilungen der Bundesforschungsanstalt fur
 Forst- und Holzwirtschaft Reinbek bei Hamburg ; Nr. 162.). 
 Introductory material also in English.  Includes indexes.
 
 Language:  German; English
 
 Descriptors: Forest ecology; Air; Plants, Effect of air pollution
 on; Acid rain; Plants, Effect of acid precipitation on; Forest
 declines
 
 
 264                        NAL Call. No.: 105.2 V61V no.931
 Impact of acid atmospheric deposition on the biogeochemistry of
 moorland pools and surrounding terrestrial environment.
 Dobben, H. F. van
 Wageningen : Pudoc Scientific Publishers,; 1992.
 232 p. : ill. ; 24 cm. + 1 microfiche ; 11 x 15 cm. (Verslagen
 van landbouwkundige onderzoekingen ; 931.).  Microfiche inserted
 in pocket at end.  Includes bibliographical references (p.
 225-232).
 
 Language:  English; English
 
 Descriptors: Acid deposition; Moor ecology; Biogeochemistry
 
 
 265                               NAL Call. No.: QD415.A1J6
 Impact of acidic deposition on Encelia farinosa Gray (Compositae:
 Asteraceae) and feeding preferences of Trirhabda geminata Horn
 (Coleoptera: Chrysomelidae).
 Paine, T.D.; Redak, R.A.; Trumble, J.T.
 New York, N.Y. : Plenum Publishing Corporation; 1993 Jan. Journal
 of chemical ecology v. 19 (1): p. 97-105; 1993 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: Trirhabda; Feeding preferences; Compositae; Acid
 deposition; Air pollution
 
 Abstract:  Container grown Encelia farinosa were exposed to three
 3-hr episodes of acidic fog (pH 2.5) typical of events in
 southern California. Adults and larvae of the specialist leaf-
 feeding herbivore, Trirhabda geminata, preferred to feed on the
 acidic-treated foliage compared to control fogged (pH 6.3-6.5)
 foliage. Previous feeding damage on the plants did not affect
 feeding preference. The acidic-fogged foliage was significantly
 higher in total nitrogen and soluble protein but not different
 from control-treated tissue in water content. Stress on native
 populations of this drought-deciduous shrub caused by atmospheric
 pollutants may also result in altered feeding ecology of the
 beetle.
 
 
 266                      NAL Call. No.: TD195.54.S8G37 1987
 Impact of airborne pollution on terrestrial invertebrates with
 particular reference to molluscs.
 Gardenfors, Ulf
 Sweden, Statens naturvardsverk
 Solna, Sweden : National Swedish Environmental Protection Board,;
 1987. 115 p. ; 25 cm. (Rapport (Sweden. Statens naturvardsverk) ;
 3363.).  Swedish summary.  "June 1987"--p.2.  Includes
 bibliographical references (p. 65-111).
 
 Language:  English
 
 Descriptors: Acid rain; Acidification
 
 
 267                              NAL Call. No.: QH545.A1E52
 The impact of constituent ions of acid mist on assimilation and
 stomatal conductance or Norway spruce prior and post mid-winter
 freezing. Eamus, D.; Murray, M.B.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 79 (2): p. 135-142; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea abies; Seedlings; Acid rain; Ammonium sulfate;
 Ammonium nitrate; Nitric acid; Sulfuric acid; Sulfate; Ammonium;
 Nitrate; Winter; Frost; Assimilation; Light; Ph; Stomata; Leaf
 conductance; Pine needles; Damage; Decline
 
 
 268                               NAL Call. No.: QH345.B564
 The impact of drought and acidification on the chemical exports
 from a minerotrophic conifer swamp.
 Lazerte, B.D.
 Dordrecht : Kluwer Academic Publishers; 1992-1993.
 Biogeochemistry v. 18 (3): p. 153-175; 1992-1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Ontario; Acid deposition; Drought; Forest soils;
 Soil alkalinity; Soil pollution; Swamp soils; Coniferae
 
 
 269                              NAL Call. No.: QH545.A1E58
 Impact of ozone on loblolly pine seedling foliage production and
 retention. Kress, L.W.; Allen, H.L.; Mudano, J.E.; Stow, T.K.
 Tarrytown, N.Y. : Pergamon Press; 1992 Aug.
 Environmental toxicology and chemistry v. 11 (8): p. 1115-1128;
 1992 Aug. Paper presented at the "Symposium on Forest Health
 Issues on a Global Perspective, 11th Annual Meeting of the
 Society of Environmental Toxicology and Chemistry, November
 11-15, 1990, Arlington, Virginia.  Includes references.
 
 Language:  English
 
 Descriptors: North Carolina; Pinus taeda; Seedlings; Air
 pollution; Acid rain; Ozone; Stems; Branches; Pine needles;
 Growth rate; Length; Abscission; Abiotic injuries
 

 270                              NAL Call. No.: QH545.A1E58
 Implications of physiological responses to chronic air pollution
 for forest decline in the southeastern United States.
 Richardson, C.J.; Sasek, T.W.; Fendick, E.A.
 Tarrytown, N.Y. : Pergamon Press; 1992 Aug.
 Environmental toxicology and chemistry v. 11 (8): p. 1105-1114;
 1992 Aug. Paper presented at the "Symposium on Forest Health
 Issues on a Global Perspective, 11th Annual Meeting of the
 Society of Environmental Toxicology and Chemistry, November
 11-15, 1990, Arlington, Virginia.  Includes references.
 
 Language:  English
 
 Descriptors: North Carolina; Pinus taeda; Seedlings; Air
 pollution; Acid rain; Ozone; Photosynthesis; Transpiration; Pine
 needles; Abscission; Seedling growth; Coniferous forests;
 Decline; Dosage effects
 
 
 271                              NAL Call. No.: QH545.A1E52
 Importance of natural soil processes relative to atmospheric
 deposition in the mobility of aluminium in forested watersheds of
 the Black Forest. Baur, S.; Feger, K.H.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 77 (2/3): p. 99-105; 1992.  In the
 special issue: Effects of acidic pollutants on the chemistry of
 freshwater streams and lakes / edited by R. Harriman. Paper
 presented at the "Fourth International Conference on Acidic
 Deposition: Its Nature and Impacts," September 16-21, 1990,
 Glasgow, Scotland.  Includes references.
 
 Language:  English
 
 Descriptors: Baden-wurttemberg; Acid deposition; Soil pollution;
 Forest soils; Aluminum; Chemical speciation; Mobilization;
 Transport processes; Watersheds; Soil depth; Soil ph; Organic
 compounds; Seasonal variation; Cations; Soil solution;
 Organomineral complexes; Nitrate; Sulfate; Simulation models
 
 
 272                                 NAL Call. No.: QH540.J6 In
 vitro pollen responses of two birch species to acidity and
 temperature. Hughes, R.N.; Cox, R.M.
 Madison : American Society Of Agronomy,; 1993 Oct.
 Journal of environmental quality v. 22 (4): p. 799-804; 1993 Oct. 
 Includes references.
 
 Language:  English
 
 Descriptors: New Brunswick; Cabt; Betula papyrifera; Betula;
 Pollen germination; Inhibition; Ph; Acidity; Temperature; In
 vitro; Acid deposition; Fog
 
 Abstract:  Paper birch (Betula papyrifera Marsh.) and mountain
 paper birch (Betula cordifolia Regel) near the Bay of Fundy coast
 frequently intercept acidic advection marine fogs. Chemical
 deposition by these fogs is thought to be a factor contributing
 to the observed foliar browning symptoms associated with a marked
 deterioration of these trees in the area. In vitro experiments
 were performed to test whether pollen germination in these two
 birch species would be affected by acidity at levels routinely
 found in the fog. The combined effect of temperature with acidity
 was also examined. Pollen germination in both species was
 inhibited below pH 5.6 (P < 0.0001) and the effect of incubation
 temperature was also significant (P < 0.01) in both species.
 There was no difference in in vitro pollen germination between
 species (P > 0.05) in response to acidity, based on combined data
 from 12 trees of each; the optimum germination temperature was 22
 degrees C for B. papyrifera and 21 degrees C for B. cordifolia.
 
 
 273                                NAL Call. No.: aSD11.U56
 Incidence of twolinded chestnut borer and Hypoxylon atropunctatum
 on dead oaks along an acidic deposition gradient from Arkansas to
 Ohio. Haack, R.A.; Blank, R.W.
 Broomall, Pa. : The Station; 1991 Mar.
 General technical report NE - U.S. Department of Agriculture,
 Forest Service, Northeastern Forest Experiment Station (148): p.
 373-387; 1991 Mar.  Paper present at the 8th Central Hardwood
 Forest Conference, March 4-6, 1991, University Park,
 Pennsylvania.  Includes references.
 
 Language:  English
 
 Descriptors: Arkansas; Illinois; Indiana; Ohio; Quercus;
 Mortality; Insect pests; Agrilus; Hypoxylon; Diameter; Basal
 area; Susceptibility; Pollution
 
 
 274                                 NAL Call. No.: SD13.C35
 Increased dark respiration and calcium deficiency of red spruce
 in relation to acidic deposition at high-elevation southern
 Appalachian Mountain sites. McLaughlin, S.B.; Andersen, C.P.;
 Hanson, P.J.; Tjoelker, M.G.; Roy, W.K. Ottawa, Ont. : National
 Research Council of Canada; 1991 Aug. Canadian journal of forest
 research; Journal canadien de recherche forestiere v. 21 (8): p.
 1234-1244; 1991 Aug.  Includes references.
 
 Language:  English
 
 Descriptors: Tennessee; Picea rubens; Respiration; Dark;
 Photosynthesis; Foliar nutrition; Calcium; Aluminum; Altitude;
 Acid rain
 
 Abstract:  Rates of net photosynthesis and dark respiration of
 red spruce (Picea rubens Sarg.) foliage were examined in
 relationship to soil and foliar nutrient status at three
 elevations across each of three mountains in the southern
 Appalachians. These studies tested our previously stated
 hypothesis that increased dark respiration and reduced growth
 were associated with natural or induced nutrient deficiency at
 higher elevation sites. A consistent and highly significant
 reduction in the ratio of net photosynthesis to dark respiration
 was found at the highest sites on each mountain compared with
 lower sites, as had been previously reported for the initial two
 test sites. This response was produced by significant increases
 in dark respiration that were associated with low foliar calcium
 levels and high foliar aluminum levels found at the higher
 elevation sites in this region. Net photosynthesis was generally
 comparable between sites. A consistently inverse relationship
 between dark respiration and foliar calcium was found across
 highest and lowest elevation sites, while the midelevation sites,
 where calcium:aluminum ratios were highest, showed less evidence
 of respiratory response to calcium. Calcium in shoots was
 significantly reduced in association with increasing levels of
 soil aluminum in the rooting zone across all sites. Collectively,
 these studies suggest that reduced calcium supply, occurring in
 association with competitive inhibition of calcium uptake by high
 concentrations of aluminum found in soil, may have reduced the
 availability of carbon for red spruce growth at higher elevation
 sites. Inferential evidence examined, including atmospheric
 deposition levels, soil solution chemistry, and historical tree-
 ring chemistry, suggests that acidic deposition would have been a
 contributing factor in inducing or amplifying calcium deficiency.
 
 
 275                                  NAL Call. No.: 500 K41
 Increased sulfur deposition in wood of shortleaf pine from the
 Cumberland Plateau of Kentucky, 1962-1986.
 Ray, D.L.; Winstead, J.E.
 Louisville, Ky. : The Academy; 1991 Sep.
 Transactions of the Kentucky Academy of Science v. 52 (3/4): p.
 97-100; 1991 Sep.  Includes references.
 
 Language:  English
 
 Descriptors: Kentucky; Pinus echinata; Air pollution; Indicator
 plants; Site factors; Sulfur dioxide; Xylem; Acid deposition;
 Plateaus
 
 
 276                                  NAL Call. No.: 450 N42
 Influence of acidic mist on frost hardiness and nutrient
 concentrations in red spruce seedlings. 1. Exposure of the
 foliage and the rooting environment. Sheppard, L.J.; Cape, J.N.;
 Leith, I.D.
 Cambridge : Cambridge University Press; 1993 Aug.
 The New phytologist v. 124 (4): p. 595-605; 1993 Aug.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea; Acid rain; Frost injury; Foliar nutrition
 
 
 277                                  NAL Call. No.: 450 N42
 Influence of acidic mist on frost hardiness and nutrient
 concentrations in red spruce seedlings. 2. Effects of misting
 frequency and rainfall exclusion. Sheppard, L.J.; Cape, J.N.;
 Leith, I.D.
 Cambridge : Cambridge University Press; 1993 Aug.
 The New phytologist v. 124 (4): p. 607-615; 1993 Aug.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea; Acid rain; Frost injury; Foliar nutrition
 
 
 278                             NAL Call. No.: TRANSL 39166
 Influence of mineral nutrition, ozone, and acid fog on abscisic
 acid and indoleacetic acid in needles of Picea abies (L.) Karst =
 Einfluss von Mineralstoffernahrung, Ozon und saurem Nebel auf
 Indolessigsaure und Abscisinsaure in Nadeln von Picea abies (L.)
 Karts..  Einfluss von Mineralstoffernahrung, Ozon und saurem
 Nebel auf Indolessigsaure und Abscisinsaure in Nadeln von Picea
 abies (L.) Karst
 Fackler, W.
 S.l. : s.n. :; 1989.
 7 leaves : ill. ; 27 cm.  Translated from German by Amerind
 Publishing Co. (Pvt.) Ltd., New Delhi, Ag TT 89-1-0155. 
 Translated from: Forstwissenschaftliches Centralblatt,
 105(4):254-257, Sept. 1986.  Includes bibliographical references
 (leaf 7).
 
 Language:  English
 
 
 279                             NAL Call. No.: TRANSL 39167
 Influence of mineral nutrition, ozone and acid mist on
 monoterpene pattern of needles of Picea abies (L.) Karst =
 Einfluss von Mineralstoffernahrung, Ozon und saurem Nebel auf des
 Monoterpenmuster der Nadeln von Picea abies (L.) Karst.. 
 Einfluss von Mineralstoffernahrung, Ozon und saurem Nebel auf des
 Monoterpenmuster der Nadeln von Picea abies (L.) Karst
 Schonwitz, R.
 S.l. : s.n. :; 1989.
 7 leaves : ill. ; 27 cm.  Translated from German by Amerind
 Publishihg Co. (Pvt.) Ltd., New Delhi, Ag TT 89-1-0156. 
 Translated from: Forstwissenschaftliches Centralblatt,
 105(4):258-261, Sept. 1986.  Includes bibliographical references
 (leaf 7).
 
 Language:  English
 
 
 280                             NAL Call. No.: TRANSL 39168
 Influence of mineral nutrition, ozone and acid mist on
 photosynthetic parameters and stomatal conductance of Picea abies
 (L.) Karst = Einfluss von Mineralstoffernahrung, Ozon und saurem
 Nebel auf Photosynthese-Parameter und stomatare Leitfahigkeit von
 Picea abies (L.) Karst..  Einfluss von Mineralstoffernahrung,
 Ozon und saurem Nebel auf Photosynthese-Parameter und stomatare
 Leitfahigkait von Picea abies (L.) Karst
 Selinger, H.
 S.l. : s.n. :; 1989.
 8 leaves : ill. ; 27 cm.  Translated from German by Amerid
 Publishing Co. (Pvt.) Ltd., New Delhi, Ag TT 89-1-0157. 
 Translated from: Forstwissenschaftliches Centralblatt,
 105(4):239-242, Sept. 1986.  Includes bibliographical references
 (leaf 8).
 
 Language:  English
 
 
 281                             NAL Call. No.: RA1270.P35A1
 Influence of rain and sulphur dioxide on low level
 chemiluminescence from leaf of Populus tomentosa.
 Ma, Y.; Zhao, K.; Zhang, Z.; Su, Z.; Ma, B.; Zheng, Y.; Liu, C.;
 Wang, Y. New York, N.Y. : Springer-Verlag; 1992 Dec.
 Bulletin of environmental contamination and toxicology v. 49 (6):
 p. 906-913; 1992 Dec.  Includes references.
 
 Language:  English
 
 Descriptors: Populus tomentosa; Leaves; Acid rain; Sulfur
 dioxide; Air pollution; Detection; Chemiluminescence
 
 
 282                              NAL Call. No.: QH545.A1E52
 Influence of soil hydrological pathways on stream aluminium
 chemistry at Llyn Brianne, mid-Wales.
 Soulsby, C.; Reynolds, B.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 81 (1): p. 51-60; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Wales; Watersheds; Forests; Acid deposition; Rain;
 Soil water regimes; Gley soils; Runoff; Storms; Stream flow;
 Aluminum; Acidification; Upland areas; Catchment hydrology
 
 
 283                            NAL Call. No.: SD118.N6 1988
 Influences of acidic deposition and forest development on
 conifers at pack forest, New York.
 Shepard, J.P.; Nowak, C.A.; LeBlanc, D.C.; Briggs, R.D.; Downard,
 R.B. Jr Vancouver : Forestry Publications, Faculty of Forestry,
 University of British Columbia; 1990.
 Sustained productivity of forest soils / edited by S.P. Gessel
 ... [et. al.].. p. 274-289; 1990.  Proceedings of the 7th North
 American Forest Soils Conference, July 24-28, 1988, Vancouver,
 British Columbia.  Includes references.
 
 Language:  English
 
 Descriptors: New York; Coniferous forests; Growth; Acid rain;
 Soil properties; Climatic factors; Cations; Leaching
 
 
 284                                 NAL Call. No.: QH540.S8
 Integrated effects (forests).
 Mohren, G.M.J.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 387-464; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Forest soils;
 Acidification; Acid deposition; Forests; Decline; Air pollutants;
 Sulfur dioxide; Ammonia; Nitrification; Nutrient uptake; Soil
 acidity
 

 285                                 NAL Call. No.: QH540.S8
 Integrated effects (low vegetation).
 Dobben, H.F. van
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 465-523; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Heathland; Vegetation; Plant
 communities; Grasslands; Air pollution; Plant succession; Acid
 deposition; Acidification; Ammonia; Sulfur dioxide
 
 
 286                                 NAL Call. No.: QH540.S8
 Integrated modelling.
 Olsthoorn, T.N.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 525-567; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Acid deposition;
 Acidification; Ammonia; Sulfur dioxide; Soil acidity; Forests;
 Heathland; Vegetation; Computer simulation; Simulation models
 
 
 287                                 NAL Call. No.: QH540.S8
 The interaction of forest vegetation and soils with the aquatic
 environment: effects of catchment liming on lakes.
 Dalziel, T.R.K.; Howells, G.; Skeffington, R.A.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 107-126; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: West scotland; Forests; Forest soils; Liming; Acid
 deposition; Acidification; Air pollution; Catchment hydrology;
 Water quality
 
 
 288                                  NAL Call. No.: 81 SO12
 Interaction of simulated acid rain and ozone on freeze
 resistance, growth, and mineral nutrition in citrus and avocado.
 Eissenstat, D.M.; Syvertsen, J.P.; Dean, T.J.; Johnson, J.D.;
 Yelenosky, G. Alexandria, Va. : The Society; 1991 Sep.
 Journal of the American Society for Horticultural Science v. 116
 (5): p. 838-845; 1991 Sep.  Includes references.
 
 Language:  English
 
 Descriptors: Florida; Persea Americana; Citrus paradisi;
 Exposure; Acid rain; Rainfall simulators; Ozone; Effects; Frost
 resistance; Growth; Minerals; Electrolytes; Electrical
 conductance; Leaves; Nutrient content
 
 Abstract:  The combined effects of O3, and acid rain on freeze
 resistance, growth, and mineral nutrition were studied using
 broadleaf-evergreen citrus and avocado trees. Using a factorial
 design,'Ruby red' grapefruit (Citrus paradisi L.) trees on either
 Volkamer lemon (Citrus volkameriana Ten. & Pasq.) or sour orange
 (Citrus aurantium L.) rootstocks and 'Pancho' avocado trees
 (Persea americana Mill.) on 'Waldin' rootstock were exposed to O3
 and acid rain for 8 months in open-top chambers under field
 conditions. The O3 treatments were one-third ambient (0.3X),
 ambient (1X), twice ambient (2X), or thrice ambient (3X). Ambient
 O3 concentrations averaged 39.1 nl-liter-1 over a 12-hour day.
 The acid rain treatments had a pH of 3.3, 4.3, or 5.3 and were
 applied to simulate long-term rainfall averages. In general, the
 effects of acid rain on growth and freeze resistance were small.
 Rain of high acidity (pH = 3.3) offset the negative effects of O3
 on growth (total leaf mass) in avocado and grapefruit/volkamer
 lemon trees. In contrast, rain of high acidity magnified the
 detrimental effects of O3 on electrolyte leakage of leaf disks at
 subzero temperatures, especially for citrus. Freeze resistance,
 determined by stem and whole-plant survival following freezing
 temperatures, was lower in the most rapidly growing trees.
 Consequently, for trees exposed to a combination of O3 and acidic
 rain, leaf electrolyte leakage did not correlate significantly
 with stem survival of freezing temperatures. We conclude that the
 danger of acid rain to citrus and avocado in Florida is rather
 slight and would only present a potential problem in the presence
 of extremely high O3.
 
 
 289                                NAL Call. No.: 464.8 P56
 Interactions of simulated acidic rain with root-knot or cyst
 nematodes on soybean.
 Shafer, S.R.; Koenning, S.R.; Barker, K.R.
 St. Paul, Minn. : American Phytopathological Society; 1992 Sep.
 Phytopathology v. 82 (9): p. 962-970; 1992 Sep.  Includes
 references.
 
 Language:  English
 
 Descriptors: Glycine max; Meloidogyne hapla; Meloidogyne
 incognita; Heterodera glycines; Acid rain; Interactions;
 Bradyrhizobium japonicum; Modulation; Host parasite
 relationships; Pathogenicity
 
 Abstract:  The influence of simulated acidic rain on interactions
 of root-knot (Meloidogyne hapla, M. incognita) or cyst
 (Heterodera glycines) nematodes with soybean plants (Glycine max)
 was investigated in greenhouse experiments. Seedlings inoculated
 with rhizobia were transplanted into pots of nematode egg-
 infested soil (one nematode species per pot) or noninfested soil.
 Three days later, plants and soil were exposed to simulated rain
 (2 cm in 1 h) adjusted to pH 5.3, 4.3, 3.3, or 2.3. After three
 rains per week for 8 wk, major effects on plants and nematodes
 (e.g., shoot dry weight and production of cyst nematode eggs
 suppressed by approximately 80 and 90%, respectively) occurred
 only after rains at pH 2.3 (relative to those exposed to rains at
 pH 5.3). Characteristics of polynomial dose-response
 relationships indicated that the effects of simulated acidic rain
 on plants and nematodes were nematode species-dependent; dose-
 response relationships for many dependent variables (plant
 biomass, nodulation, disease symptoms, nematode reproduction
 measurements) versus rain pH differed between cyst nematodes and
 rootknot nematodes, but most dose-response characteristics for
 the two Meloidogyne spp. were similar. Acid deposition can
 influence nematode-plant interactions, but the acidity of
 simulated rain required to cause major changes exceeded that
 known in the United States.
 
 
 290                    NAL Call. No.: VtUTD883.7.C2I57 1987
 Interim target loadings for acidic deposition in Western Canada a
 synthesis of existing information : final report to the Western
 Target Loading Planning Group and the National Research Council
 Associate Committee on Scientific Criteria for Environmental
 Quality.
 ESSA Environmental and Social Systems Analysts Ltd, Concord
 Scientific Corporation, Western Target Loading Planning Group
 (Canada),National Research Council Canada, Associate Committee on
 Scientific Criteria for Environmental Quality, Technical
 Committee for the Long-Range Transport of Atmospheric Pollutants
 in Western and Northern Canada
 Victoria, B.C. : The Technical Committee,; 1987.
 xv, 235 p. : ill., maps (some col.) ; 28 cm.  One map on 1 folded
 sheet in pocket.  Available in CD-ROM as part of Acid rain:
 Canadian Government Documents prepared by the Acid Rain Project,
 Bailey/Howe Library, University of Vermont. (Z699.5.G6A3). 
 Bibliography: p. 190-208.
 
 Language:  English
 
 Descriptors: Acid deposition; Acid rain; Acid pollution of
 rivers, lakes, etc
 
 
 291                     NAL Call. No.: VtUTD196.A25I57 1987
 International bibliography of acid rain, 1977-1986.
 BioSciences Information Service of Biological Abstracts
 Philadelphia, PA : BIOSIS,; 1987.
 341, 15, 138 p. ; 28 cm.  Includes indexes.
 
 Language:  English
 
 Descriptors: Acid rain; Environmental health
 
 
 292                                 NAL Call. No.: QH540.S8
 Introduction: Acidification research in the Netherlands. Final
 report of the Dutch Priority Programme on acidification.
 Heij, G.J.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 25-36; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Air pollutants;
 Acidification; Acid deposition; Forests; Vegetation; Research
 projects; Soil acidity; Forest soils
 
 
 293                              NAL Call. No.: TD196.A25Z3
 Kislotnie dozhdi i okruzhaiushchaia sreda  [Acid rains and the
 surrounding environment].
 Zaikov, Gennadii Efremovich; Maslov, S. A.; Rubailo, V. L. Moskva
 : Khimiia,; 1991.
 139, [1] p. : ill. ; 20 cm.  Includes bibliographical reference
 (p. [140]).
 
 Language:  English
 
 Descriptors: Acid rain
 
 
 294                        NAL Call. No.: TD195.42.K57 1989
 Kislotnye dozhdi  [Acid rain]., Izd. 2., dop. u perer..
 Izrael', IU. A.
 Leningrad : Gidrometeoizdat,; 1989.
 269 p. : ill. ; 21 cm.  Includes bibliographical references.
 
 Language:  Russian
 
 Descriptors: Acid rain
 
 
 295                              NAL Call. No.: QH545.A1E52 A
 laboratory investigation of the routes of HNO3 dry deposition to
 coniferous seedlings.
 Cadle, S.H.; Marshall, J.D.; Mulawa, P.A.
 Essex : Elsevier Applied Science; 1991.
 Environmental pollution v. 72 (4): p. 287-305; 1991.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea abies; Picea rubens; Pinus strobus; Seedlings;
 Air pollution; Air pollutants; Nitric acid; Deposition; Foliar
 uptake; Leaves; Cuticle; Stomata; Leaf diffusion resistance;
 Stomatal resistance; Assimilation; Plant tissues; Spatial
 distribution
 
 
 296                     NAL Call. No.: VtUQH545.A17L32 1979
 Lacidification des precipitations nature et etendue du probleme
 [Acidification of precipitation].
 Lachance, Marius,
 Association quebecoise des techniques de l'eau, Quebec
 (Province), Services de protection de lenvironnement, Institut
 national de la recherche scientifique (Quebec), Eau
 Sainte-Foy, Que. : INRS-Eau, Universite du Quebec; 1979.
 45 p. : ill., maps ; 28 cm.  Report presented at the "Colloque
 AQTE-SPE, Montreal, 5 Novembre 1979.".  Compte rendu No S84. 
 Bibliography: p. 22-24.
 
 Language:  French
 
 Descriptors: Acid precipitation (Meteorology); Air; Hydrogen-ion
 concentration
 
 
 297            NAL Call. No.: VtUQUARTO TD885.5.S85E44 1982
 Lagrangian model of the long range transport of sulpher oxides.
 Ellenton, Gloria Logan; Ley, B.; Misra, Prasanta K.
 Ontario, A.P.I.O.S. Coordination Office
 Toronto : A.P.I.O.S. Coordination Office,; 1982.
 41, [9] p. : maps ; 30 cm. (Acidic precipitation in Ontario study
 ; No. 008/82).  "ARB-10-82-AQM"--Cover.  Available in CD-ROM as
 part of Acid rain: Canadian Government Documents prepared by the
 Acid Rain Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).  Bibliography: p. 34-36.
 
 Language:  English
 
 Descriptors: Sulphur oxides; Acid precipitation (Meteorology)
 
 
 298                               NAL Call. No.: TD420.A1E5
 Lake acidification: effects on crustacean zooplankton
 populations. Havens, K.E.; Yan, N.D.; Keller, W.
 Washington, D.C. : American Chemical Society; 1993 Aug.
 Environmental science & technology v. 27 (8): p. 1621-1624; 1993
 Aug. Includes references.
 
 Language:  English
 
 Descriptors: Ontario; Lakes; Water pollution; Acidification; Acid
 deposition; Crustacea; Zooplankton
 
 
 299                               NAL Call. No.: 99.8 F7632
 Leaf area and foliar biomass realtionships in northern hardwood
 forest located along an 800km acid deposition gradient.
 Burton, A.J.; Pregitzer, K.S.; Reed, D.D.
 Bethesda, Md. : Society of American Foresters; 1991 Sep.
 Forest science v. 37 (4): p. 1041-1059; 1991 Sep.  Includes
 references.
 
 Language:  English
 
 Descriptors: Acer saccharum; Hardwoods; Forests; Acid rain; Air
 pollution; Leaf area; Leaf area index; Foliage; Biomass
 production; Nitrogen; Solar radiation; Canopy; Transmittance;
 Allometry
 
 Abstract:  The canopies of northern hardwood forests dominated by
 sugar maple (Acer saccharum Marsh.) were examined at five
 locations spanning 800 km along an acid deposition and climatic
 gradient in the Great Lakes region. Leaf area index (LAI)
 calculated from litterfall ranged from 6.0 to 8.0 in 1988, from
 4.9 to 7.9 in 1989, and from 5.3 to 7.8 in 1990. The data suggest
 that maximum LAI for the sites is between 7 and 8. Insect
 defoliation and the allocation of assimilates to reproductive
 parts in large seed years reduced LAI by up to 34%. Allometric
 equations for leaf area and foliar biomass were not significantly
 different among sites. They predicted higher LAI values than were
 estimated from litterfall and could not account for the
 influences of defoliation and seed production. Canopy
 transmittance was a viable alternative for estimating LAI.
 Extinction coefficients (K) of 0.49 to 0.65 were appropriate for
 solar elevations of 63 degrees to 41 degrees. Patterns of
 specific leaf area (SLA) were similar for the sites. Average
 sugar maple SLA increased from 147 cm2 g-1 in the upper 5 m of
 the canopy to 389 cm2 g-1 in the seedling layer. Litterfall SLA
 averaged 196 cm-2 g-1 for all species and 192 cm2 g-1 for sugar
 maple. Similarity among the sites in allometric relationships,
 maximum LAI, canopy transmittance, and patterns of SLA suggests
 these characteristics were controlled primarily by the similar
 nutrient and moisture availability at the sites. A general
 increasing trend in litter production along the gradient could
 not be attributed to N deposition or length of growing season due
 to year to year variability resulting from insect defoliation and
 seed production.
 

 300                                 NAL Call. No.: 56.8 SO3
 Long-term changes of soil chemistry in central Sweden.
 Sjostrom, J.; Qvarfort, U.
 Baltimore, Md. : Williams & Wilkins; 1992 Dec.
 Soil science v. 154 (6): p. 450-457; 1992 Dec.  Includes
 references.
 
 Language:  English
 
 Descriptors: Sweden; Podzols; Acidification; Acid deposition;
 Time; Soil analysis; Soil ph; Soil water content; Exchange
 acidity; Base saturation; Bulk density; Particle size
 distribution; Exchangeable cations; Metal ions; Movement in soil;
 Profiles
 
 
 301                                  NAL Call. No.: 450 N42
 Long-term effects of ozone and simulated acid rain on the foliage
 dynamics of slash pine (Pinus elliottii var. elliottii Engelm.).
 Byres, D.P.; Dean, T.J.; Johnson, J.D.
 Cambridge : Cambridge University Press; 1992 Jan.
 The New phytologist v. 120 (1): p. 61-67; 1992 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: Florida; Pinus elliottii; Ozone; Phytotoxicity; Acid
 rain; Injuries; Pine needles; Senescence; Leaf area; Plant
 morphology; Symptoms
 
 
 302                        NAL Call. No.: QH540.E288  v.104
 Long-term experiments with acid rain in Norwegian forest
 ecosystems. Abrahamsen, Gunnar; Stuanes, A. O.; Tveite, Bjorn
 New York : Springer-Verlag,; 1994.
 x, 342 p. : ill., maps ; 24 cm. (Ecological studies ; v. 104). 
 Includes bibliographical references and index.
 
 Language:  English; English
 
 Descriptors: Forest ecology; Forest plants; Acid rain
 
 
 303             NAL Call. No.: VtUTD883.7.C2A23 1987 vol. 6
 Major biophysical components of Alberta.
 Jaques, Dennis R.
 Kananaskis Centre for Environmental Research, Alberta
 Government/Industry Acid Deposition Research Program
 Calgary, Alta. : The Program,; 1987.
 1 v. (various pagings).  February 1987.  Available in CD-ROM as
 part of Acid rain: Canadian Government Documents prepared by the
 Acid Rain Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).  Accompanied by 1:1,000,000 maps.  Includes
 bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition
 
 
 304                               NAL Call. No.: QH345.B564
 Mass loss and nitrogen dynamics in decomposing acid forest litter
 in the Netherlands at increased nitrogen deposition.
 Tietema, A.
 Dordrecht : Kluwer Academic Publishers; 1993.
 Biogeochemistry v. 20 (1): p. 45-62; 1993.  Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Forest litter; Decomposition; Lignin;
 Nitrogen; Nutrient availability; Acid deposition; Ecosystems
 
 
 305                              NAL Call. No.: QH545.A1E52
 Measurement of dry deposition of ammonia on a forest.
 Wyers, G.P.; Vermeulen, A.T.; Slanina, J.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (1): p. 25-28; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Gelderland; Pseudotsuga menziesii; Ammonia; Air
 pollution; Acid deposition; Deposition; Micrometeorology;
 Coniferous forests; Gradients; Measurement; Diurnal variation
 
 
 306                              NAL Call. No.: QH545.A1E52
 Measurement of the dry deposition flux of NH3 on to coniferous
 forest. Duyzer, J.H.; Verhagen, H.L.M.; Weststrate, J.H.;
 Bosveld, F.C. Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (1): p. 3-13; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Gelderland; Coniferous forests; Ammonia; Air
 pollution; Deposition; Micrometeorology; Acid deposition
 
 
 307                    NAL Call. No.: VtUTD885.5.S8H86 1982 A
 measurement system for SO2 dry deposition rates.
 Hunt, James E.; Wright, R. G.; Desjardins, R. L.
 S.l. : s.n., 1982?; 1982, reprinted 1988.
 32 leaves: ill. ; 28 cm.  Originally published in: Acid forming
 emissions in Alberta and their ecological effects / Alberta Dept.
 of the Environment, 1982.  Bibliography: leaves 30-32.
 
 Language:  English
 
 Descriptors: Sulphur dioxide; Air
 
 
 308                              NAL Call. No.: QH545.A1E52
 Measurements and modelling of cloudwater deposition to moorland
 and forests. Gallagher, M.W.; Beswick, K.; Choularton, T.W.; Coe,
 H.; Fowler, D.; Hargreaves, K.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (1): p. 97-107; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Eastern scotland; Northern england; Picea
 sitchensis; Coniferous forests; Moorland; Air pollution; Acid
 deposition; Clouds; Droplet size; Sulfate; Water vapor;
 Simulation models; Mountains; High altitude
 
 
 309                                 NAL Call. No.: QH540.S8
 Measuring and modelling atmospheric dry deposition in complex
 forest terrain. Draaijers, G.P.J.; Ek, R. van; Bleuten, W.;
 Meijers, R.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 285-294; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Forests; Stand structure; Acid deposition;
 Acidification; Air pollution; Simulation models
 
 
 310                        NAL Call. No.: ArUS537.S65 no.49
 Mechanisms of acid-rain formation a photochemical study.
 Isabel, Roy J.
 United States, Cooperative State Research Services, South
 Carolina State College
 Orangeburg, S.C. : South Carolina State College,; 1990.
 iii, 29 p. : ill. ; 28 cm. (Research bulletin (South Carolina
 State College) ; no. 49.).  Cover title.  June 1990.  Published
 as a Technical Contribution from South Carolina State College. 
 Includes bibliographical references (p. 29).
 
 Language:  English; English
 
 Descriptors: Acid rain; Photochemical smog
 
 
 311                        NAL Call. No.: TD196.A25K85 1987
 Mesoscale modeling of acid deposition in Maryland.
 Kumar, S.
 Maryland Power Plant Research Program
 Columbia, Md. : Versar, Inc.,; 1987.
 1 v. in various pagings : ill., maps ; 28 cm.  PPRP-AD-87-12. 
 Includes bibliographical references (p. vi-1 - vi-3).
 
 Language:  English; English
 
 Descriptors: Acid deposition
 
 
 312               NAL Call. No.: VtUQUARTO TD888.M4Y36 1984
 Meteorological studies to quantify the effects of Sudbury
 emissions on precipitation quality and air quality during
 1980-1983 with emphasis on the shut-down period.
 Yap, David; Kurtz, J.
 Ontario, A.P.I.O.S. Coordination Office
 Toronto : A.P.I.O.S. Coordination Office,; 1984.
 32 p. : ill., map ; 30 cm. (Acidic precipitation in Ontario study
 / ; APIOS-017-84).  ARB-192-84-AQM.  Available in CD-ROM as part
 of Acid rain: Canadian Government Documents prepared by the Acid
 Rain Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).
 
 Language:  English
 
 Descriptors: Acid precipitation (Meteorology); Air quality;
 Smelting furnaces
 
 
 313                               NAL Call. No.: QH540.E288
 Methods of assessing responses of trees, stands and ecosystems to
 air pollution.
 Stolte, K.W.; Duriscoe, D.M.; Cook, E.R.; Cline, S.P.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 97: p. 259-330;
 1992.  In the series analytic: The response of western forests to
 air pollution / edited by R.K. Olson, D. Binkley and M. Bohm. 
 Includes references.
 
 Language:  English
 
 Descriptors: Air pollution; Pollutants; Forest trees; Forest
 ecology; Stand characteristics; Ecosystems; Crown; Phytotoxicity;
 Temporal variation; Increment; Acid deposition; Literature
 reviews; Growth rings
 
 
 314                                 NAL Call. No.: QH540.J6
 Microbial populations in an agronomically managed mollisol
 treated with simulated acid rain.
 Miller, K.W.; Cole, M.A.; Banwart, W.L.
 Madison, Wis. : American Society of Agronomy; 1991 Oct.
 Journal of environmental quality v. 20 (4): p. 845-849; 1991 Oct. 
 Includes references.
 
 Language:  English
 
 Descriptors: Soil fungi; Soil bacteria; Heterotrophic
 microorganisms; Pseudomonas; Nitrogen fixing bacteria; Acid rain;
 Soil pollution; Enumeration; Population ecology; Ammonium;
 Nitrites; Thiosulfates; Oxidation; Ph; Mollisols; Maize soils;
 Agricultural soils; Zea mays; Glycine max; Soil ph
 
 Abstract:  A fertile well-buffered mollisol (Flanagan silt loam,
 fine montmorillonitic mesic Aquic Argiudoll) under cultivation
 with corn (Zea mays L.) and soybean [Glycine max (L.) Merr.] was
 subjected to simulated rain of pH 5.6, 4.2, and 3.0, while
 moisture-activated rain exclusion shelters provided protection
 from ambient rain. Soil was sampled to a depth of 3 cm on four
 dates throughout the 1985 growing season. The following
 microorganisms were enumerated by plate counts or most probable
 number: general heterotrophic bacteria, general soil fungi, free-
 living N-fixing bacteria, fluorescent pseudomonads, autotrophic
 ammonium-oxidizing, nitrite-oxidizing, and thiosulfate-oxidizing
 bacteria. The ANOVA was used to determine the combined and
 individual effects of rain treatments, crop field, and sampling
 date. Crop field and sampling date affected microbial numbers
 more than rain treatments. Overall, rain treatment effects were
 limited to nitrite-oxidizing bacteria; lower numbers occurred in
 the corn field in subplots treated with rain of pH 4.2 and 3.0,
 and in the soybean field treated with rain of pH 3.0. The trend
 was strongest in June and July. In the corn field in subplots
 treated with rain of pH 3.0, numbers of thiosulfate-oxidizing
 bacteria were higher and numbers of general heterotrophic
 bacteria were lower, however, these trends were comparatively
 weak. Rain treatments caused essentially no decrease in soil pH,
 suggesting that acid rain constituents affect certain microbial
 populations without causing overt changes in pH. Because they
 appear to be unusually sensitive, nitrite-oxidizing bacteria
 could be used as experimental indicators of changes in soil
 microbial communities subjected to acid rain.
 

 315                         NAL Call. No.: QC879.6.M53 1991
 Microbial production and consumption of greenhouse gases methane,
 nitrogen oxides, and halomethanes.
 Rogers, J. E.; Whitman, William Barnaby
 Washington, D.C. : American Society for Microbiology,; 1991.
 viii, 298 p. : ill. ; 24 cm.  Includes bibliographical references
 and index.
 
 Language:  English
 
 Descriptors: Atmospheric chemistry; Greenhouse gases; Methane;
 Nitrogen oxides; Microbiology
 
 
 316                         NAL Call. No.: TD195.5.N37 1991
 Mission, goals, and program plan, post 1990 public review draft.
 National Acid Precipitation Assessment Program (U.S.)
 Washington, D.C. : The Program,; 1991; Y 3.In 8/31:2 M 69. ix, 59
 p. : ill., maps ; 28 cm.  Shipping list no.: 92-033-P.  November
 1991.
 
 Language:  English
 
 Descriptors: Acid precipitation (Meteorology)
 
 
 317                               NAL Call. No.: QH540.E288
 Mixed conifer forests of the San Bernardino Mountains,
 California. Miller, P.R.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 97: p. 461-497;
 1992.  In the series analytic: The response of western forests to
 air pollution / edited by R.K. Olson, D. Binkley and M. Bohm. 
 Includes references.
 
 Language:  English
 
 Descriptors: California; Cabt; Coniferous forests; Mixed forests;
 Conifers; Air pollution; Ozone; Pollutants; Acid deposition;
 Phytotoxicity; Pinus ponderosa; Pinus jeffreyi; Growth rings;
 Increment; Growth; Spatial variation; Temporal variation;
 Mountain areas
 
 
 318                                 NAL Call. No.: QH540.J6
 The mobile anion concept--time for a reappraisal?.
 Hendershot, W.H.; Warfvinge, P.; Courchesne, F.; Sverdrup, H.U.
 Madison, Wis. : American Society of Agronomy; 1991 Jul.
 Journal of environmental quality v. 20 (3): p. 505-509; 1991 Jul. 
 Includes references.
 
 Language:  English
 
 Descriptors: Acid rain; Soil pollution; Water pollution;
 Acidification; Nitrates; Sulfates; Hydrogen ions; Models;
 Ecosystems
 
 Abstract:  The mobile anion concept has been used to support the
 argument that add precipitation, containing elevated
 concentrations of nitrate and sulfate, is acidifying soils and
 surface waters. We believe that so much attention his been
 focused on the behavior of the strong acid anions that the effect
 of other important processes has, in some cases, been obscured.
 The emphasis, we believe, should be placed on processes that
 regulate H+ in solution. Thus, we propose that the mobile anion
 concept (as an explanation of how acid precipitation degrades
 soils and surface waters) be replaced with descriptions of the
 mechanisms believed to control the movement of both anions and
 cations through ecosystems.
 
 
 319                                NAL Call. No.: 292.8 J82
 Modeling the neutralizing processes of acid precipitation in
 soils and glacial sediments of northern Ohio.
 Eckstein, Y.; Hau, J.A.
 Amsterdam : Elsevier Scientific Publishers, B.V.; 1992 Feb.
 Journal of hydrology v. 131 (1/4): p. 369-386; 1992 Feb. 
 Includes references.
 
 Language:  English
 
 Descriptors: Ohio; Glacial till; Sediment; Soil; Acid rain; Soil
 water; Groundwater; Acidification; Neutralization; Ph; Anions;
 Cations; Buffering capacity; Simulation models; Computer
 simulation; Quantitative analysis
 
 Abstract:  Most studies of the acidic deposition phenomena have
 been focused on processes occurring in the northeastern USA and
 Scandinavia. In these regions the soil cover is thin, the bedrock
 is acidic, and the terrain has very poor acid buffering capacity.
 Most of the US Midwest, including northern Ohio, has been ignored
 because the terrain is covered by glacial sediments with an
 abundance of carbonate minerals. Yet, for the last three decades
 the area has been experiencing acidic precipitation with a pH
 range of 3.5-4.5, the lowest in the USA. Samples of
 precipitation, soil water, and shallow ground water from Leroy
 Township in Lake County, Ohio, and from Wooster Township in Wayne
 County, Ohio, were analyzed and processed using WATEQ3 and
 PHREEQE computer models to quantify the effects of the acidic
 deposition. The two regions are characterized by very similar
 topographic, geological and hydrogeological conditions. Although
 the cation content of the precipitation in both regions is
 similar, the anion concentrations are much higher (sulfate by
 70%, nitrate by 14% and chloride by 167%) in Leroy, located 50 km
 east-northeast and downwind of the Cleveland-Akron industrial
 complex, than in Wooster, located 80km south-southwest and off-
 wind from the industrial complex. Computer modeling results
 indicate that buffering of acidic deposition in the surficial
 sediments and glacial tills of the two regions is dominated
 apparently by calcite dissolution, and dissolution and exchange
 of hydrogen for magnesium ions are the dominant neutralizing
 processes. However, reaction simulations also suggest that the
 buffering capacity of the Leroy soils and tills has been depleted
 to a much greater degree than in Wooster Township. In Leroy more
 acidic input is reacting with less buffering material to produce
 lower soil and groundwater pH. The depletion of carbonate and
 alumino-silicate minerals in the soils of Leroy Township is
 occurring at a rate that is 3-5 times faster than in the same
 type
 
 
 320                              NAL Call. No.: QH545.A1E52
 Modelling acidification at Beacon Hill--a low rainfall, high
 pollution deposition site in Central England.
 Whitehead, P.G.; Black, V.; Jenkins, A.; Wright, R.; Cosby, J.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 79 (3): p. 277-281; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: England; Acidification; Watersheds; Acid deposition;
 Ions; Pollutants; Soil pollution; Streams; Water pollution; Ph;
 Prediction; Simulation models
 
 
 321                                NAL Call. No.: 292.8 J82
 Modelling hydrological processes and aluminium leaching in an
 acid soil at Llyn Brianne, Mid-Wales.
 Soulsby, C.; Reynolds, B.
 Amsterdam : Elsevier Scientific Publishers, B.V.; 1992 Oct.
 Journal of hydrology v. 138 (3/4): p. 409-429; 1992 Oct. 
 Includes references.
 
 Language:  English
 
 Descriptors: Wales; Acid soils; Soil water; Stagnopodzols;
 Horizons; Aluminum; Leaching; Acid deposition; Afforestation;
 Coniferous forests; Canopy; Streams; Acidification; Soil water
 movement; Soil acidity; Soil ph; Cation exchange; Hydrological
 factors; Catchment hydrology; Simulation models
 
 Abstract:  Recent research has shown that enhanced acid
 deposition on to the canopies of commercial conifer forests in
 upland Wales has contributed to the release of Al into soil and
 stream waters. Relatively little is known about how soil
 hydrological and chemical processes interact in response to acid
 deposition and afforestation to regulate the transfer of Al-rich
 soil water into streams. A field-based hydrochemical study
 monitored the hydrology and soilwater chemistry of an afforested
 stagnopodzol at Llyn Brianne (Mid-Wales) during a hydrological
 year. Water moved vertically through the soil profile, aided by
 root-promoted macropores. Soil water fluxes, estimated by the
 LEACHM model, indicated that 89% of effective precipitation
 drained vertically through the soil profile. Precipitation
 reaching the soil was acidified and enriched in anions during its
 passage through the forest canopy. Further acidification occurred
 as water moved into the soil and Al was mobilized, probably by
 cation exchange processes. Leaching losses of Al from the soil
 profile occurred during all major hydrological events and the
 total flux was estimated at 3.39 kmolc ha-1 year-1. It is
 suggested that Al-rich soil water draining from the base of the
 stagnopodzol profile can provide a significant input to streams
 during acid episodes.
 
 
 322                              NAL Call. No.: QH545.A1E52
 Modelling long-term cation supply in acidified forest stands.
 Warfvinge, P.; Falkengren-Grerup, U.; Sverdrup, H.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 80 (3): p. 209-221; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Sweden; Forests; Acidification; Forest soils; Base
 saturation; Exchangeable cations; Acid deposition; Weathering;
 Magnesium; Calcium; Potassium; Leaching; Nitrogen; Soil
 fertility; Nutrient uptake; Soil ph
 
 
 323                                NAL Call. No.: 292.8 J82
 Modelling stream acidification in afforested catchments: an
 assessment of the relative effects of acid deposition and
 afforestation.
 Jenkins, A.; Cosby, B.J.; Ferrier, R.C.; Walker, T.A.B.; Miller,
 J.D. Amsterdam : Elsevier Scientific Publishers, B.V.; 1990
 Dec01. Journal of hydrology v. 120 (1/4): p. 163-181; 1990 Dec01. 
 Includes references.
 
 Language:  English
 
 Descriptors: Scotland; Watersheds; Afforestation; Acid
 deposition; Soil acidity; Soil ph; Water quality; Forests;
 Growth; Clearcutting; Streams; Acidification; Forest management;
 Cations; Soil treatment; Soil alkalinity; Simulation models
 
 Abstract:  A model of the combined long-term effects of acidic
 deposition and forest growth has been developed and calibrated
 for an upland site in Scotland. The model is used to perform a
 series of simulation experiments to assess the relative effects
 of afforestation and acidic deposition on soil and surface water
 chemistry. The experiments compare and contrast: (a) the
 simulated historical effects of increased acidic deposition and
 forest growth, both individually and in combination; (b) the
 simulated future effects of various levels of reduction of
 deposition in combination with the forestry strategies of
 harvesting with and without replanting. Results indicate that
 historical acidification of surface waters in areas receiving
 high levels of acidic deposition has been exacerbated by
 afforestation practices. Afforestation in the absence of acidic
 deposition, however, has had a lesser effect on surface water
 acidification even though the nutrient demands of forest growth
 have caused significant soil acidification. Comparisons of future
 forest management strategies in conjunction with likely
 deposition reductions indicate that, in sensitive areas,
 replanting of a felled forest without treatment of the soil by
 addition of base cations, should not be undertaken even if
 significant deposition reductions are realised.
 
 
 324                                NAL Call. No.: 292.8 J82
 Modelling stream acidification in afforested catchments: long-
 term reconstructions at two sites in central Scotland.
 Cosby, B.J.; Jenkins, A.; Ferrier, R.C.; Miller, J.D.; Walker,
 T.A.B. Amsterdam : Elsevier Scientific Publishers, B.V.; 1990
 Dec01. Journal of hydrology v. 120 (1/4): p. 143-162; 1990 Dec01. 
 Includes references.
 
 Language:  English
 
 Descriptors: Scotland; Streams; Acidification; Watersheds;
 Afforestation; Coniferous forests; Picea abies; Picea sitchensis;
 Acid deposition; Ion uptake; Growth; Evapotranspiration; Soil
 acidity; Soil ph; Exchangeable cations; Soil alkalinity;
 Simulation models
 
 Abstract:  A conceptual model of the combined effects of
 afforestation and acidic deposition is applied to two forested
 sites in central Scotland. Refinements are made to the model
 inputs specifically to include: increased dry deposition to the
 forests (in excess of the dry deposition expected for moorland
 sites) as the forest canopy develops; uptake of ions by the
 growing forests; and increased evapotranspiration (and thus
 decreased water yield) as the forests mature. The model is
 calibrated using a fuzzy optimisation technique which
 incorporates uncertainty in target variables (stream base cation
 concentrations and soil exchangeable bases) and uncertainty in
 selecting values for fixed and adjustable parameters which
 describe the physico-chemical characteristics of the catchments.
 Simulated present-day stream and soil chemistry closely match
 observed values at both sites. The calibrated models indicate
 that while the patterns of acidification in the two catchments
 are broadly similar, some differences do exist between the sites
 in the responses of the soils to acidic deposition and
 afforestation. It is concluded that the calibrated models provide
 a tool for: (a) comparison of the relative effects of deposition
 and afforestation on soil and surface water acidification; (b)
 assessment of the likely effects of reductions in future
 deposition combined with future forestry management practices.
 
 
 325                                 NAL Call. No.: 470 C16C
 Modifications in the alkane composition of cuticular waxes from
 spruce needles (Picea abies) and ivy leaves (Hedera helix)
 exposed to ozone fumigation and acid fog: comparison with needles
 from declining spruce trees. Kerfourn, C.; Garrec, J.P.
 Ottawa, Ont. : National Research Council of Canada; 1992 Apr.
 Canadian journal of botany; Journal canadien de botanique v. 70
 (4): p. 861-869; 1992 Apr.  Papers presented at the "Canadian
 Botanical Association Symposium on the Role of Structure and
 Development in Evolution," June 25, 1991, University of Alberta,
 Edmonton, Alberta, Canada.  Includes references.
 
 Language:  English
 
 Descriptors: France; Picea abies; Conifer needles; Hedera helix;
 Leaves; Cuticle; Waxes; Acid deposition; Decline; Fog;
 Fumigation; Ozone
 
 
 326                                NAL Call. No.: S596.7.D4
 Morphology, root conductivity, and mineral accumulation of
 Northwest U.S. tree species in response to acid deposition in
 artificical soil. Pan, W.L.; Black, R.A.; Harsh, J.B.; Bassman,
 J.H.; Boyle, J.S. Dordrecht : Kluwer Academic Publishers; 1991.
 Developments in plant and soil sciences v. 45: p. 989-997; 1991. 
 In the series analytic: Plant-soil interactions at low pH /
 edited by R.J. Wright, V.C. Baligar and R.P. Murrmann.
 Proceedings of the second international symposium, June 24-29,
 1990, Beckley, West Virginia.  Includes references.
 
 Language:  English
 
 Descriptors: Pacific states of U.S.A.; Larix occidentalis; Picea
 engelmannii; Pseudotsuga menziesii; Acid deposition; Soil
 acidity; Roots; Growth; Nutrient uptake; Aluminum; Phytotoxicity
 
 Abstract:  The mechanisms of long-term acid rain effects on tree
 growth have been difficult to elucidate due to the complexity, of
 altered soil processes under acid stress. A solid rooting medium
 was developed for studying plant responses to Al and pH
 interactions with other soil factors. The growing medium
 consisted of a mixture of quartz sand and Al-hydroxy
 montmorillonite. The Al-hydroxy montmorillonite was synthesized
 by precipitating Al(OH)3 on the clay particles. One year old
 nursery stock of Douglas fir (Pseudotsuga mensiesii [Mirb.]
 Franco), western larch (Larix occidentalis Nutt.), and Engelmann
 spruce (Picea engelmannii Parry) were grown in the medium for 2
 months and watered with nutrient solutions adjusted to 3 pH
 levels. Estimated Al3+ activities in the leachate of the 2.5,
 3.5, and 5.5 pH treatments ranged from 13 to 605, 3.1 to 0.75,
 and 3.8 to 0.03 X 10(-6) respectively. Root lengths decreased 14%
 as pH was reduced from 5.5 to 2.5, while tissue [Al] increased
 from 0.24 to 0.70 mg Al g-1 in the leaves and from 2.52 to 10.44
 mg Al g-1 in the roots. Shoot and root biomass were not affected
 by pH treatments. Root conductivity of western larch and
 Engelmann spruce, measured by bulk water flow, was 83% greater in
 the pH 2.5 treatment than in the 5.5 treatment. Calcium and
 magnesium concentrations in newly formed lateral branches of the
 shoot were significantly lower in all species grown in the pH 2.5
 treatment relative to the 5.5 treatment. This growth medium
 should enable the study of Al interactions with soil variables
 such as water stress, organic matter and mycorrhiza, that are
 difficult or impossible to study in solution culture.
 
 
 327                        NAL Call. No.: TD427.A27N37 1990
 National Acid Precipitation Assessment Program integrated
 assessment: questions 1 & 2 : external review draft..  NAPAP
 integrated assessment : questions 1 and 2 Integrated assessment :
 questions 1 and 2 United States, Dept. of Agriculture, National
 Acid Precipitation Assessment Program (U.S.), Office of the
 Director
 Washington, DC : National Acid Precipitation Assessment Program,
 Office of the Director,; 1990.
 1 v. (various pagings) : ill. (some col.), maps (some col.) ; 28
 cm.  August 1990.  Cover title: NAPAP integrated assessment :
 questions 1 and 2.
 
 Language:  English
 
 Descriptors: Acid deposition; Acid rain
 
 
 328                                NAL Call. No.: QK475.T74
 Neutralization and buffering capacity of leaves of sugar maple,
 largetooth aspen, paper birch and balsam fir.
 Liu, G.E.; Cote, B.
 Victoria, B.C. : Heron Publishing; 1993 Jan.
 Tree physiology v. 12 (1): p. 15-21; 1993 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: Quebec; Populus grandidentata; Acer saccharum;
 Betula papyrifera; Abies balsamea; Leaves; Acid rain;
 Phytotoxicity; Neutralization; Buffering capacity; Ph; Injuries;
 Soil fertility
 
 Abstract:  We compared the acidity, the external acid
 neutralizing capacity and the buffering capacity of leaves of
 four commercially important tree species, largetooth aspen
 (Populus grandidentata Michx.) sugar maple (Acer saccharum
 Marsh.), paper birch (Betula papyrifera Marsh.) and balsam fir
 (Abies balslamea (L.) Mill), at two sites of contrasting soil
 fertility in southern Quebec. External acid neutralizing capacity
 (ENC) of leaves was determined by measuring the change in pH
 induced by soaking fresh leaves in an acidic solution (pH 4.0)
 for two hours. The ENC was highest for largetooth aspen (14.3
 microequiv H+ g-1). lowest for sugar maple and balsam fir (<5
 microequiv H+ g-1). The buffering capacity index (BCI) was
 determined by measuring the amount of acid necessary to produce a
 change of 5 microequiv H+ in the leaf homogenate. The BCI ranged
 from 883 microequiv H+ g-1 for largetooth aspen to less than 105
 microequiv H+ g-1 for sugar maple and balsam fir. Leaves of sugar
 maple and balsam fir had a lower internal pH and a higher
 percentage of ENC over BCI than paper birch and largetooth aspen.
 Overall. ENC was correlated with the concentration of all leaf
 nutrients except Ca. and BCI was correlated with Mg, N and Ca.
 The site effect was relatively unimportant for all variables.
 
 
 329                               NAL Call. No.: QH345.B564
 Nitrate limitation of N2O production and denitrification from
 tropical pasture and rain forest soils.
 Parsons, W.F.J.; Mitre, M.E.; Keller, M.; Reiners, W.A.
 Dordrecht : Kluwer Academic Publishers; 1993.
 Biogeochemistry v. 22 (3): p. 179-193; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Costa Rica; Cabt; Nitrous oxide; Emission; Tropical
 rain forests; Forest soils; Pastures; Grassland soils;
 Denitrification; Soil amendments; Glucose; Nitrate nitrogen;
 Acetylene; Deforestation; Agricultural land; Ozone depletion
 

 330                               NAL Call. No.: QH540.E288
 Nitrogen chemistry, deposition, and cycling in forests.
 Atmospheric deposition and canopy interactions of nitrogen.
 Lovett, G.M.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 152-166;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution; Nitrogen
 oxides; Nitrogen cycle; Deposition; Ammonia; Canopy; Forest
 trees; Research projects; Forests
 
 
 331                               NAL Call. No.: QH540.E288
 Nitrogen chemistry, deposition, and cycling in forests.
 Experimental laboratory measurements of reactive N gas deposition
 to forest landscape surfaces: biological and environmental
 controls.
 Hanson, P.J.; Taylor, G.E. Jr; Vose, J.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 166-177;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution; Deposition;
 Nitrogen oxides; Nitric acid; Acid deposition; Nitric oxide;
 Nitrogen dioxide; Research projects; Forests
 
 
 332                               NAL Call. No.: QH540.E288
 Nitrogen chemistry, deposition, and cycling in forests. Retention
 or loss of N in IFS sites and evaluation of relative important of
 processes. Cole, D.W.; Van Miegroet, H.; Foster, N.W.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 196-199;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Nitrogen cycle;
 Biogeochemistry; Nitrogen; Air pollution; Acid deposition;
 Acidification; Research projects; Forests; Forest soils
 
 
 333                               NAL Call. No.: QH345.B564
 Nitrogen cycling in an acid forest ecosystem in the Netherlands
 under increased atmospheric nitrogen input. The nitrogen budget
 and the effect of nitrogen transformations on the proton budget.
 Tietema, A.; Verstraten, J.M.
 Dordrecht : Kluwer Academic Publishers; 1991.
 Biogeochemistry v. 15 (1): p. 21-46. ill; 1991.  Includes
 references.
 
 Language:  English
 
 Descriptors: Netherlands; Quercus; Fagus; Forest soils; Acid
 deposition; Ammonium; Biogeochemistry; Denitrification;
 Ecosystems; Mineralization; Nitrification; Nitrogen cycle; Soil
 acidity
 
 
 334                              NAL Call. No.: QH545.A1E52
 Nitrogen saturation induced during winter by experimental NH4NO3
 addition to a forested catchment.
 Hultberg, H.; Dise, N.B.; Wright, R.F.; Andersson, I.; Nystrom,
 U. Barking, Essex, England : Elsevier Applied Science Publishers,
 1987-; 1994. Environmental pollution v. 84 (2): p. 145-147; 1994. 
 Includes references.
 
 Language:  English
 
 Descriptors: Sweden; Cabt; Watersheds; Boreal forests; Coniferous
 forests; Ammonium nitrate; Precipitation; Acid deposition;
 Nitrate nitrogen; Saturation; Runoff; Winter
 
 
 335                                 NAL Call. No.: QH540.J6
 Nitrous oxide emissions from fertilized soils: summary of
 available data. Eichner, M.J.
 Madison, Wis. : American Society of Agronomy; 1990 Apr.
 Journal of environmental quality v. 19 (2): p. 272-280; 1990 Apr. 
 Literature review.  Includes references.
 
 Language:  English
 
 Descriptors: Nitrous oxide; Emission; Atmosphere; Fertilizers;
 Agricultural soils; Environmental factors; Crop management; Soil
 types; Farming systems; Trends; Global warming; Ozone depletion;
 Literature reviews
 
 Abstract:  Direct measurements of fertilizer-derived N2O emission
 data from 104 field experiments reported in agriculture and soil
 science literature that were obtained between 1979 and 1987 were
 summarized and used to estimate worldwide fertilizer-derived N2O
 emissions. Although without statistical determination, there
 appears to be a trend between emissions and type and quantity of
 fertilizer applied; the available data does not indicate a trend
 between emissions and a particular soil type or agriculture
 system. Using the fraction of the N fertilizer evolved as N2O and
 fertilizer consumption estimates for five fertilizer types, 0.1
 to 1.0 Tg N2O-N (avg. 0.3; median 0.2) were estimated to be
 released during the "sampling period". If these estimates are
 doubled to account for emissions after the sampling period and
 emissions from fertilizer lost in drainage water and groundwater,
 the expected range would be 0.2 to 2.1 Tg N2O-N (avg. 0.7; median
 0.5) emitted into the atmosphere in 1984. The magnitude of this
 estimate is in agreement with recent global estimates. If 100 Tg
 N fertilizer are consumed worldwide in the year 2000, the global
 release of fertilizer-derived emissions into the atmosphere will
 probably not exceed 3 Tg N2O-N in the year 2000. It is estimated
 that 23 to 315 Gg N2O-N were emitted into the atmosphere from
 fields of cultivated leguminous crops in 1986. Future research
 needs were suggested.
 
 
 336                                NAL Call. No.: SD143.S64
 No(x) pollution from biomass burning: a global study.
 Dignon, J.; Atherton, C.S.; Penner, J.E.; Walton, J.J.
 Bethesda, Md. : The Society; 1991.
 Proceedings of the ... Society of American Foresters National
 Convention (11th): p. 430-437; 1991.  Paper presented at the
 Conference on Fire and Meteorology, April 16-19, 1991, Missoula,
 Montana.  Includes references.
 
 Language:  English
 
 Descriptors: Forest fires; Wildfires; Biomass; Burning; Emission;
 Nitrogen oxides; Acid rain
 
 
 337                         NAL Call. No.: SD421.37.C6 1991
 NO(X) pollution from biomass burning: a global study.
 Dignon, J.; Atherton, C.S.; Penner, J.E.; Walton, J.J.
 Bethesda, Md. : Society of American Foresters; 1991.
 Proceedings of the 11th Conference on Fire and Forest
 Meteorology, April 16-19, 1991, Missoula, Montana / sponsored by
 the Society of American Foresters and American Meteorological
 Soc. ; editors, P.L. Andrews and D.F. Potts. p. 430-437; 1991. 
 This record corrects IND 92025714 which was entered incorrectly
 under call number SD143.S64.  Includes references.
 
 Language:  English
 
 Descriptors: Forest fires; Wildfires; Biomass; Burning; Emission;
 Nitrogen oxides; Acid rain
 
 
 338                                NAL Call. No.: TD172.W36
 Nutrient content of precipitation over Iowa.
 Tabatabai, M.A.; Laflen, J.M.
 Dordrecht : D. Reidel Pub. Co; 1976 Sep.
 Water, air, and soil pollution v. 6 (2/4): p. 361-373; 1976 Sep. 
 Includes references.
 
 Language:  English
 
 Descriptors: Iowa; Precipitation; Nutrient content; Ph; Nitrogen;
 Sulfur; Chemical properties; Soil
 
 
 339                                 NAL Call. No.: SD13.C35
 Nutrient cycling in Humtingon Forest and Turkey Lakes deciduous
 stands: nitrogen and sulfur.
 Mitchell, M.J.; Foster, N.W.; Shepard, J.P.; Morrison, I.K.
 Ottawa, Ont. : National Research Council of Canada; 1992 Apr.
 Canadian journal of forest research; Journal canadien de
 recherche forestiere v. 22 (4): p. 457-464; 1992 Apr.  Includes
 references.
 
 Language:  English
 
 Descriptors: Ontario; New York; Hardwoods; Acer saccharum;
 Cycling; Nitrogen; Sulfur; Nitrates; Sulfates; Age of trees; Soil
 properties; Biogeochemistry; Mineral soils; Throughfall; Acid
 rain
 
 Abstract:  Biogeochemical cycling of S and N was quantified at
 two hardwood sites (Turkey Lakes watershed (TLW) and Huntington
 Forest (HF)) that have sugar maple (Acer saccharum Marsh.) as the
 major overstory component and are underlain by Spodosols
 (Podzols). TLW and HF are located in central Ontario (Canada) and
 the Adirondack Mountains of New York (U.S.A), respectively. Major
 differences between the TLW and HF sites included stand age (300
 and 100 years for TLW and HF, respectively), age of dominant
 trees (150-300 and 100 years for TLW and HF, respectively), and
 the presence of American beech (Fagus grandifolia Ehrh.) at HF as
 well as lower inputs of SO4(-2) and NO3(-) (differences of 99 and
 31 mol ion charge (molc).ha-1.year-1, respectively) at TLW. There
 was an increase in concentration of SO4(-2) and NO3(-) after
 passage through the canopy at both sites. A major difference in
 the anion chemistry of the soil solution between the sites was
 the much greater leaching of NO3(-) at TLW compared with HF (1300
 versus 18 molc.ha-1.year-1, respectively). At HF, but not TLW,
 there was a marked increase in SO4(-2) flux (217
 molc.ha-1.year-1) when water leached from the forest floor
 through the mineral soil. The mineral soil was the largest pool
 (> 80%) of N and S for both sites. The mineral soil of TLW had a
 C:N ratio of 16:1, which is much narrower than the 34:1 ratio at
 HF. This former ratio should favor accumulation of NH4(+) and
 NO3(-) and subsequent NO3(-) leaching. Laboratory measurements
 suggest that the forest floor of TLW may have higher N
 mineralization rates than HF. Fluxes of N and S within the
 vegetation were generally similar at both sites, except that net
 requirement of N at TLW was substantially lower (difference of
 9.4 kg N.ha-1.year-1). The higher NO3(-) leaching from TLW
 compared with HF may be attributed mostly to stand maturity
 coupled with tree mortality, but the absence of slow decomposing
 beech leaf litter and lower C:N ratio in die soil of the former
 site
 
 
 340                              NAL Call. No.: QH545.A1E52
 Nutrient leaching from conifer needles in relation to foliar
 apoplast cation exchange capacity.
 Turner, D.P.; Broekhuizen, H.J. van
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (3): p. 259-263; 1992.  Includes
 references.
 
 Language:  English
 
 Descriptors: Pseudotsuga menziesii; Picea engelmannii; Acid rain;
 Simulation; Solutions; Calcium ions; Magnesium; Potassium;
 Leaching; Conifer needles; Cuticle; Cell walls; Cation exchange
 capacity
 
 
 341                        NAL Call. No.: SH307.M32F5 no.25
 Observations on the effects of rainfall on the pH of pond water
 in Gelang Patah.
 Ti, Teow-Loon; Rajamanickam, L. D.
 Kuala Lumpur : Ministry of Agriculture, Malaysia,; 1981.
 19 p. : ill. ; 26 cm.  Includes bibliographical references (p.
 18).
 
 Language:  English
 
 
 342                               NAL Call. No.: QD415.A1J6
 Olfactory response of eastern spruce budworm larvae to red spruce
 needles exposed to acid rain and elevated levels of ozone.
 Cannon, W.N. Jr
 New York, N.Y. : Plenum Press; 1990 Dec.
 Journal of chemical ecology v. 16 (12): p. 3255-3261; 1990 Dec. 
 Includes references.
 
 Language:  English
 
 Descriptors: Picea rubens; Conifer needles; Plant composition;
 Volatile compounds; Acid rain; Ozone; Olfactory stimulation;
 Smell; Choristoneura fumiferana; Insect attractants
 
 Abstract:  Second-instar eastern spruce budworm larvae,
 Choristoneura fumiferana (Clem.), were tested in a two-choice,
 Y-type, wind-tunnel olfactometer for preferences for red spruce,
 Picea rubens Sarg., needles exposed for eight weeks to charcoal-
 filtered air (CFA) or 0.15 ppm ozone (O3) in combination with
 acidified rainfall at pH 4.2 or 3.0. Volatiles from needles
 treated with CFA plus pH 4.2 rain (control) were preferred over
 those from needles exposed to pH 3.0 rain + O3 or O3 alone, O3-
 treated needles were chosen over those exposed to pH 3.0 rain +
 O3. No preference was shown between the pH 4.2 and 3.0 rain
 treatments. Larvae chose purified air flowing through the
 olfactometer in preference to needle volatiles from the pH 3.0
 rain + O3 treatment.
 
 
 343                                NAL Call. No.: HC79.E5E5
 Optimized acid rain abatement strategies using ecological goals.
 Batterman, S.
 New York, N.Y. : Springer-Verlag; 1992 Jan.
 Environmental management v. 16 (1): p. 133-141; 1992 Jan. 
 Includes references.
 
 Language:  English
 
 Descriptors: Europe; Acid rain; Emission; Control methods;
 Objectives; Capacity; Optimization
 
 
 344                              NAL Call. No.: QH545.A1E58 An
 overview of global warming.
 Mohnen, V.A.; Wang, W.C.
 Tarrytown, N.Y. : Pergamon Press; 1992 Aug.
 Environmental toxicology and chemistry v. 11 (8): p. 1051-1059;
 1992 Aug. Paper presented at the "Symposium on Forest Health
 Issues on a Global Perspective, 11th Annual Meeting of the
 Society of Environmental Toxicology and Chemistry, November
 11-15, 1990, Arlington, Virginia.  Literature review. Includes
 references.
 
 Language:  English
 
 Descriptors: Climatic change; Air pollution; Air pollutants;
 Carbon dioxide; Methane; Nitrous oxide; Energy consumption;
 Temperature; Precipitation; Ecosystems; Prediction; Literature
 reviews
 

 345                                NAL Call. No.: SD143.S64
 Ozone and simulated acidic rain effects on shortleaf pine
 seedlings. Flagler, R.B.; Lock, J.E.; Toups, B.G.
 Bethesda, Md. : The Society; 1990.
 Proceedings of the ... Society of American Foresters National
 Convention. p. 577-578; 1990.  Paper presented at the meeting on,
 "Are Forests the Answer," held July 29-Aug 1, 1990, Washington,
 D.C.
 
 Language:  English
 
 Descriptors: Pinus echinata; Seedlings; Ozone; Acid rain;
 Simulation; Growth; Height; Diameter; Photosynthesis; Foliage;
 Biomass production; Chlorophyll; Nutrient content
 
 
 346                                 NAL Call. No.: 450 J829
 Palaeolimnological evidence for the acidification and atmospheric
 contamination of lochs in the Cairngorm and Lochnagar areas of
 Scotland. Jones, V.J.; Flower, R.J.; Appleby, P.G.; Natkanski,
 J.; Richardson, N.; Rippey, B.; Stevenson, A.C.; Battarbee, R.W.
 Oxford : Blackwell Scientific; 1993.
 Journal of ecology v. 81 (1): p. 3-24; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Northern scotland; Eastern scotland;
 Bacillariophyta; Paleoecology; Air pollution; Water pollution;
 Acidification; Heavy metals; Acid deposition; Pollutants;
 Deposition; Sediment; Lakes; Limnology; Lead; Zinc
 
 Abstract:  A palaeolimnological investigation has shown that
 lochs in the Cairngorm and Lochnagar mountains of Scotland have
 been acidified and contaminated by air pollution. This is of
 particular concern in this area of national and international
 importance for nature conservation. Of the five sites studied,
 four show a clear acidification. At three of these sites (Lochan
 Uaine, Lochnagar and Dubh Loch) acidification began in the mid to
 late nineteenth century. At the fourth site (Loch nan Eun) the
 onset of acidification cannot be established due to radiometric
 dating problems, but there has been a clear pH decline since
 1900. There is no evidence of recent acidification at the fifth
 site (Loch Coire an Lochan), but interpretation of the
 sedimentary record is difficult due to the very low sediment
 accumulation rate. All the lochs show evidence of atmospheric
 contamination indicated by increasing concentrations of
 carbonaceous particles. There is also evidence of enhanced lead
 and zinc concentrations at four of the sites (Lochan Uaine, Loch
 nan Eun, Dubh Loch and Lochnagar), and three sites Lochnagar,
 Lochan Uaine and Dubh Loch also show increased concentrations of
 magnetic minerals. The lochs are less acidified and less
 contaminated than sites situated in the south-west of Scotland
 where sulphur deposition is higher.
 
 
 347                             NAL Call. No.: RA1270.P35A1
 Performance of Vicia faba plants in relation to simulated acid
 rain and/or endosulphan treatment.
 Singh, N.; Yunus, M.; Singh, S.N.; Ahmad, K.J.
 New York, N.Y. : Springer-Verlag; 1992 Feb.
 Bulletin of environmental contamination and toxicology v. 48 (2):
 p. 243-248; 1992 Feb.  Includes references.
 
 Language:  English
 
 Descriptors: India; Vicia faba; Endosulfan; Acid rain;
 Phytotoxicity; Leaf area; Protein content; Chlorophyll;
 Flowering; Ph; Simulation
 
 
 348                  NAL Call. No.: VtUFich E1.99 BNL-36452
 Perspectives to establish knowledge linkages between acidic
 deposition and vegetation responses Lance S. Evans and Keith F.
 Lewin.
 Evans, Lance S.; Lewin, Keith F.
 United States, Dept. of Energy, Technical Information Center
 Upton, N.Y. : Brookhaven National Laboratory?, 1985?; 1985,
 reprinted 1985. 14, [1] leaves ; 28 cm.  Cover title.  Research
 funded by the U.S. Environmental Protection Agency through
 Interagency Agreement DW930196-01-1 ; support also obtained from
 the U.S. Dept. of Energy, under contract no. DE-AC02-76CH00016
 and from Associated Universities, Inc., under contract no.
 550925-S.  DE85 011839.  EDB-500200.  Bibliography: p. 13-15.
 
 Language:  English
 
 Descriptors: Plants, Effect of acid deposition on; Forest
 protection; Trees; Air
 
 
 349                                 NAL Call. No.: 450 AD92
 Photosynthesis and stomatal responses to polluted air, and the
 use of physiological and biochemical responses for early
 detection and diagnostic tools.
 Saxe, H.
 San Diego, Calif. : Academic Press; 1991.
 Advances in botanical research v. 18: p. 1-128; 1991.  Literature
 review. Includes references.
 
 Language:  English
 
 Descriptors: Plant physiology; Photosynthesis; Stomatal
 resistance; Air pollution; Detection; Sulfur dioxide; Ozone;
 Nitrous oxide; Acid rain; Literature reviews
 
 
 350                              NAL Call. No.: QH545.A1E52
 Photosynthetic and stomatal conductance responses of Norway
 spruce and beech to ozone, acid mist and frost--a conceptual
 model.
 Eamus, D.; Murray, M.
 Essex : Elsevier Applied Science; 1991.
 Environmental pollution v. 72 (1): p. 23-44; 1991.  Includes
 references.
 
 Language:  English
 
 Descriptors: Fagus sylvatica; Picea abies; Seedlings; Ozone; Acid
 deposition; Frost; Photosynthesis; Gas exchange; Stomata; Leaf
 conductance; Assimilation; Growth rate; Winter hardiness; Frost
 resistance
 
 
 351                    NAL Call. No.: VtUGB2630.Q42P49 1984
 The physical and chemical evolution of snowpack structure,
 meltwater flow patterns and surface runoff during the springmelt
 period in a northern boreal forest.
 Jones, H. G.
 INRS-Eau
 Sainte-Foy, Quebec : INRS-Eau, [1984?]; 1984.
 [29] leaves : ill. ; 28 cm.  Available in CD-ROM as part of Acid
 rain: Canadian Government Documents prepared by the Acid Rain
 Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).  Bibliography: leaves [27-29].
 
 Language:  English
 
 Descriptors: Snow; Water chemistry; Acid pollution of rivers,
 lakes, etc
 
 
 352                                 NAL Call. No.: S601.A34
 Physiological effects of direct impact of acidic deposition on
 foliage. Hogan, G.D.
 Amsterdam : Elsevier; 1992 Nov.
 Agriculture, ecosystems and environment v. 42 (3/4): p. 307-319;
 1992 Nov.  In the special issue: Physiology of plant responses to
 pollutants / edited by L. Skarby and S. Fink. Papers presented at
 the conference on "Acidic Deposition-Its Nature and Impacts,"
 September, 1990, Glasgow, U.K.  Includes references.
 
 Language:  English
 
 Descriptors: Injuries; Plant physiology; Acid deposition; Reviews
 
 
 353                                  NAL Call. No.: 450 N42
 Physiological response of two soybean cultivars to simulated acid
 rain. Smith, C.R.; Vasilas, B.L.; Banwart, W.L.; Walker, W.M.
 Cambridge : Cambridge University Press; 1991 Sep.
 The New phytologist v. 119 (1): p. 53-60; 1991 Sep.  Includes
 references.
 
 Language:  English
 
 Descriptors: Glycine max; Cultivars; Air pollution; Acid rain;
 Stress response; Photosynthesis; Leaf water potential
 
 
 354                                  NAL Call. No.: 450 R11
 Physiological response to controlled freezing of attached red
 spruce branches. Hadley, J.L.; Amundson, R.G.; Laurence, J.A.;
 Kohut, R.J. Oxford : Pregamon Press; 1993 Oct.
 Environmental and experimental botany v. 33 (4): p. 591-609; 1993
 Oct. Includes references.
 
 Language:  English
 
 Descriptors: Picea rubens; Freezing; Stress; Abiotic injuries;
 Branches; Conifer needles; Photosynthesis; Gas exchange; Water
 content; Electrolytes; Abscission; Shoots; Leaf conductance;
 Ozone; Acid rain
 
 
 355                                   NAL Call. No.: 30 Ad9
 Plant nutrient sulfur in the tropics and subtropics.
 Pasricha, N.S.; Fox, R.L.
 San Diego, Calif. : Academic Press; 1993.
 Advances in agronomy v. 50: p. 209-269; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Plant nutrition; Sulfur; Cycling; Nutrient
 deficiencies; Nutrient uptake; Sulfates; Sulfur fertilizers;
 Subtropics; Tropics; Fertilizer requirement determination; Acid
 rain; Irrigation water; Pollution; Literature reviews
 
 
 356              NAL Call. No.: VtUFich E1.99 PNL-4046-Ed.2
 PLUVIUS a generalized one-dimensional model of reactive pollutant
 behavior, including dry deposition, precipitation formation, and
 wet removal.. Generalized one-dimensional model of reactive
 pollutant behavior, 2nd ed.. Easter, R. C.; Hales, J. M.
 Pacific Northwest Laboratory, National Acid Precipitation
 Assessment Program (U.S.),United States, Environmental Protection
 Agency, United States, Dept. of Energy, Technical Information
 Center
 Richland, Wash. : Pacific Northwest Laboratory,; 1984, reprinted
 1985. 1 v. (various pagings) : ill.  November 1984.  DE85 005542. 
 EDB-500200. Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Air; Acid deposition
 
 
 357                        NAL Call. No.: QH545.A17H68 1991
 Poisoned skies who'll stop acid rain?..  Acid rain : the North
 American forecast, 2nd ed..
 Howard, Ross,; Perley, Michael,
 Toronto : Stoddart,; 1991.
 viii, 248 p. : ill., maps ; 22 cm.  Includes bibliographical
 references (p. 240-245) and index.
 
 Language:  English
 
 Descriptors: Acid rain
 
 
 358                               NAL Call. No.: aSD433.A53
 The potential benefits to Canadian commercial forestry from acid
 rain control. Fraser, G.A.
 Asheville, N.C. : The Station; 1992 Apr.
 General technical report SE - U.S. Department of Agriculture,
 Forest Service, Southeastern Forest Experiment Station (75): p.
 7-12; 1992 Apr.  In the series analytic: The Economic Impact of
 Air Pollution on Timber markets. Studies from North America and
 Europe / edited by J.E. de Steiguer.  Includes references.
 
 Language:  English
 
 Descriptors: Canada; Forestry; Air pollution; Acid rain; Economic
 impact; Productivity; Social impact
 
 
 359                                NAL Call. No.: 292.8 J82
 Potential impacts of afforestation and climate change on the
 stream water chemistry of the Monachyle catchment.
 Ferrier, R.C.; Whitehead, P.G.; Miller, J.D.
 Amsterdam : Elsevier Scientific Publishers, B.V.; 1993 May15.
 Journal of hydrology v. 145 (3/4): p. 453-466; 1993 May15. 
 Special Issue: The Balquhidder Catchment and Process Studies /
 edited by P.G. Whitehead and I.R. Calder.  Includes references.
 
 Language:  English
 
 Descriptors: Scotland; Watersheds; Upland areas; Acid deposition;
 Afforestation; Climatic change; Streams; Water quality;
 Acidification; Trends; Simulation models
 
 Abstract:  MAGIC (Model of Acidification of Groundwater in
 Catchments) has been applied to the Monachyle catchment at
 Balquhidder. This site is affected by wet and dry deposition of
 oxides of sulphur and nitrogen. The catchment is shown to be a
 transition site and potentially vulnerable to land use change
 such as afforestation, especially if coupled with continuing high
 levels of acid deposition. Moreover, a changing climate may
 affect the long-term hydrochemical response. MAGIC has been used
 to illustrate the potential interactions between land use, acid
 deposition and climate change on this particular catchment.
 

 360                   NAL Call. No.: VtUTD883.7.C22A42 1985
 Precipitation quality monitoring in Alberta.
 Lau, Yan K.; Das, N.C.
 S.l. : s.n., 1985?; 1985.
 19 leaves : ill. ; 28 cm.  Cover title.  For presentation at the
 PNWIS-APCA annual meeting, Calgary, Alberta, November 13-15,
 1985.  Available in CD-ROM as part of Acid rain: Canadian
 Government Documents prepared by the Acid Rain Project,
 Bailey/Howe Library, University of Vermont. (Z699.5.G6A3).
 
 Language:  English; English
 
 Descriptors: Acid precipitation (Meteorology)
 
 
 361                    NAL Call. No.: VtUTD883.7.C2V47 1987
 The precision of precipitation chemistry in measurements in the
 Canadian Air and Precipitation Monitoring Network (CAPMoN).
 Vet, Robert J.; Sirois, A.
 Canada, Atmospheric Environment Service, Canadian Air and
 Precipitation Monitoring Network, Air Pollution Control
 Association, Meeting, 1987 :_New York, New York)
 Canada : s.n., 1987?; 1987.
 [16] leaves : ill. ; 28 cm.  Cover title.  For presentation at
 the 80th annual meeting of APCA, New York, New York, June 21-26,
 1987.  Photocopy of original report.  Available in CD-ROM as part
 of Acid rain: Canadian Government Documents prepared by the Acid
 Rain Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).
 
 Language:  English; English
 
 Descriptors: Acid precipitation (Meteorology); Water
 
 
 362                                 NAL Call. No.: 56.9 SO3
 Predicting removal of major soil cations and anions during acid
 infiltration: model evaluation.
 Gaston, L.A.; Mansell, R.S.; Selim, H.M.
 Madison, Wis. : The Society; 1992 May.
 Soil Science Society of America journal v. 56 (3): p. 944-950;
 1992 May. Includes references.
 
 Language:  English
 
 Descriptors: Acid soils; Acid deposition; Acidification;
 Infiltration; Solutes; Leaching; Ion activity; Ion exchange;
 Sorption; Solubility; Mathematical models; Validity
 
 Abstract:  Models for the effects of acid deposition on soil
 acidification generally have not been adequately validated,
 especially under conditions of simultaneous water flow. The
 objective of this study was to assess the capability of a simple
 model for soil acidification and solute transport to describe
 changes in solution- and sorbed-phase compositions of acid soil
 subjected to inputs of H ion. Columns of Cecil series (clayey;
 kaolinitic, thermic Typic Kanhapludult) and Candler series
 (hyperthermic, uncoated Typic Quartzipsamment) soils were leached
 with pH 3.0, 3.7, and 4.7 solutions. Effluent was collected in
 fractions and analyzed for ionic composition. Evaluation of model
 performance was based on a comparison of soil column leachate
 compositions to model predictions. The model adequately described
 effluent pH. However, it tended to overpredict concentrations of
 basic cations removed by infiltration of pH 3.0 and 3.7
 solutions. Conversely, the model underpredicted concentrations of
 Al in the effluent from columns leached with pH 4.7 acid. These
 discrepancies may reflect an inadequacy of simple equilibrium
 models for cation exchange and Al solubility. Extension of the
 model to include exchange kinetics improved predictions of
 effluent Ca and Mg concentrations. An empirical model for Al
 solubility better described effluent Al concentrations than did
 the equilibrium dissolution of gibbsite.
 
 
 363                        NAL Call. No.: VtUSH174.L36 1984
 Preoccupations sur les effets des precipitations acides sur le
 poisson et son habitat au Quebec  [Concerns about the effects of
 acid rain on the fishes and their habitat in Quebec].
 Langlois, C.; Vigneault, Y.; Nadeau, A.; Ahern, A.
 Quebec : Ministere des peches et des oceans,; 1984.
 v, 19 p. : maps ; 28 cm. (Canadian manuscript report of fisheries
 and aquatic sciences ; no. 1753.).  Mars 1984.  Bibliography: p.
 7-9.
 
 Language:  French; French
 
 Descriptors: Fishes; Acid precipitation (Meteorology)
 
 
 364                                   NAL Call. No.: S22.C6
 Preparing U.S. agriculture for global climate change.
 Ames, Iowa : The Council; 1992 Jun.
 Task force report - Council for Agricultural Science and
 Technology (119): 104 p.; 1992 Jun.  Includes references.
 
 Language:  English
 
 Descriptors: U.S.A.; Climatic change; Agricultural production;
 Food production; Forestry; Farming; Sustainability; Productivity;
 Methane; Carbon dioxide; Nitrous oxide; Atmosphere; Water
 resources; Water allocation; Social costs; Agricultural
 adjustment
 
 
 365                        NAL Call. No.: VtUMICROFICHE 357
 Presentation to the Michigan Air Pollution Control Commission in
 opposition to the Detroit Edison request to delay bringing its
 Monroe power plant into compliance with the state of Michigan "1%
 or equivalent sulphur in fuel" rule. Ontario; Michigan, Air
 Pollution Control Commission, Detroit Edison Company, Ontario,
 Ministry of the Environment, Ontario, Ministry of Government
 Services Ontario : Ministry of the Environment,; 1982, reprinted
 1982. iii, 111 p. ill.  Monroe, Michigan, June 30, 1982. 
 Includes bibliographical references.
 
 Language:  English; English
 
 Descriptors: Air; Acid precipitation (Meteorology); Environmental
 policy
 
 
 366                                 NAL Call. No.: SD13.C35
 Pretreating dogwood seedlings with simulated acidic precipitation
 increases dogwood anthracnose symptoms in greenhouse-laboratory
 trials. Anderson, R.L.; Berrang, P.; Knighten, J.; Lawton, K.A.;
 Britton, K.O. Ottawa, Ont. : National Research Council of Canada;
 1993 Jan. Canadian journal of forest research; Revue canadienne
 de recherche forestiere v. 23 (1): p. 55-58; 1993 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: Cornus florida; Seedlings; Plant pathogenic fungi;
 Acid rain; Ph; Incidence; Symptoms
 
 Abstract:  One-year-old Cornus florida L. seedlings were randomly
 assigned to four treatments of simulated rain (pH 2.5, 3.5, 4.5,
 and 5.5) in two greenhouse-laboratory studies in 1989 and 1990.
 After 10 applications over a 42-day period, the seedlings were
 moved to a temperature-controlled laboratory, placed in plastic
 bags, humidified, and sprayed with a spore suspension of five
 Discula destructiva isolates. About 30 days later, the seedlings
 were examined for percentage of leaves exhibiting anthracnose
 symptoms and disease severity on affected leaves. Both trials
 showed that as the acidity of the simulated rain increased, the
 incidence and severity of anthracnose leaf symptoms increased.
 The 1989 study included a soil lime treatment that showed the
 same trend but the overall occurrence and severity of symptoms
 was higher.
 
 
 367                         NAL Call. No.: TD195.4.A24 1987
 Proceedings, fourth annual Gatlinburg Acid Rain Conference
 October 26-27, 1987, Quality Inn-Glenstone, Gatlinburg,
 Tennessee.
 Olem, Harvey
 Tennessee Valley Authority
 Acid Rain Conference 4th : 1987 : Gatlinburg, Tenn.
 Chattanooga, Tenn. : Tennessee Valley Authority,; 1987.
 xiii, 70 p. ; 28 cm.  October 1987.  "Sponsored by Tennessee
 Valley Authority"--Cover.
 
 Language:  English; English
 
 Descriptors: Acid rain; Acid precipitation (Meteorology)
 
 
 368                                 NAL Call. No.: QH540.J6
 Processes of iron and manganese retention in laboratory peat
 microsomes subjected to acid mine drainage.
 Henrot, J.; Wieder, R.K.
 Madison, Wis. : American Society of Agronomy; 1990 Apr.
 Journal of environmental quality v. 19 (2): p. 312-320; 1990 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Peat; Acid mine drainage; Iron; Manganese;
 Retention; Binding; Iron oxides; Exchangeable cations; Microbial
 activities; Ph; Temperature; Solubilization; Reduction; Acid
 deposition
 
 Abstract:  Despite increasing use of constructed wetlands for
 treatment of metal-enriched acid coal mine drainage (AMD), the
 biotic and abiotic mechanisms of metal retention in such wetlands
 are poorly understood. The present study was conducted to
 evaluate the processes responsible for Fe and Mn retention in
 peat and the effects of microbial activity, pH temperature, and
 metal concentration in AMD on these processes. Experimental units
 consisted in 30 g (wet wt.) of fresh Sphagnum peat, which was
 repeatedly flushed with synthetic AMD at pH 3.5. Of the four
 major processes of metal cation retention in peat (cation
 exchange, complexation with peat organic precipitation as oxides,
 and precipitation as sulfides), Fe oxidation and Fe binding on
 peat organics were predominant, with Fe oxides and organically
 bound Fe making up, respectively, 62 and 22% of the total Fe in
 the peat at the end of the experiment. Whereas Fe complexation
 was a finite process, reaching saturation at 12 mg Fe g-1 dry
 peat, Fe-oxide concentration in peat increased steadily
 throughout the experiment. At pH 3.5, Fe-oxide precipitation was
 depressed by the addition of an antiseptic (formaldehyde) to AMD,
 suggesting that the process was microbially mediated. Iron oxide
 precipitation was higher at pH 5.5 than 3.5 and less depressed at
 pH 5.5 than 3.5 by the presence of formaldehyde in AMD. The
 efficiency of peat to remove Fe from AMD was diminished at low
 temperature (< 15 degrees C) and high Fe concentration in AMD (>
 100 mg L-1). Manganese retention in peat was small compared with
 that of Fe, and Mn was retained in peat almost exclusively as
 exchangeable Mn2+. Retention of Fe2+ in peat was not affected by
 the presence of Mn2+ in AMD. Iron oxides that had accumulated in
 peat subjected to AMD were not readily resolubilized by any of
 three processes investigated: photoreduction, microbial FE(III)
 reduction under reducing conditions, and exposure to simulated
 acid precipitation. These findings suggest that const
 
 
 369                               NAL Call. No.: QH540.E288
 Processing of acid deposition. Atmospheric deposition of acids.
 Schaefer, D.A.; Conklin, P.; Knoerr, K.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 427-444;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution; Acid
 deposition; Acidification; Sulfate; Nitrate; Research projects;
 Forests; Forest soils
 
 
 370                               NAL Call. No.: QH540.E288
 Processing of acid deposition. Canopy interactions.
 Schaefer, D.A.; Lindberg, S.E.; Lovett, G.M.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 444-449;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution; Acid
 deposition; Canopy; Forest trees; Leaching; Acidification
 
 
 371                               NAL Call. No.: QH540.E288
 Processing of acid deposition. H+ budgets.
 Binkley, D.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 450-466;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution; Acid
 deposition; Hydrogen ions; Acid soils; Soil chemistry;
 Acidification; Research projects; Forests; Forest soils
 
 
 372            NAL Call. No.: VtUFich E1.99 DOE/ER/60020-13
 Qualitative and quantitative status of the field grown potato
 crop stressed by acidified rain by Eva J. Pell.
 Pell, Eva J.
 Pennsylvania State University, Center for Air Environment
 Studies, Brookhaven National Laboratory, United States, Dept. of
 Energy, Technical Information Center
 University Park, Pa. : Center for Air Environment Studies,; 1986,
 reprinted 1987.
 45 p. : ill.  June 1986.  DE86 012802.  EDB-560303.  CAES No.
 777-86.  Final progress report on DOE contract no. DE-
 AC0281ER60020.  ... In cooperation with researchers at the
 Brookhaven National Laboratory.
 
 Language:  English
 
 Descriptors: Potatoes; Plants, Effect of acid precipitation on
 
 
 373                                 NAL Call. No.: SD13.C35
 Quantity, chemistry, and wettability of epicuticular waxes on
 needles of red spruce along a fog-acidity gradient.
 Percy, K.E.; Jagels, R.; Marden, S.; McLaughlin, C.K.; Carlisle,
 J. Ottawa, National Research Council of Canada; 1993 Jul.
 Canadian journal of forest research v. 23 (7): p. 1472-1479; 1993
 Jul. Includes references.
 
 Language:  English
 
 Descriptors: Maine; Cabt; Picea rubens; Conifer needles; Fog;
 Acidity; Waxes; Cuticle; Wettability; Physicochemical properties;
 Chemical composition
 
 Abstract:  Needle wettability and epicuticular wax
 physicochemical characteristics were examined for red spruce
 (Picea rubens Sarg.) trees growing along a gradient of fog
 quantity and acidity. Trees at four coastal and one inland site
 were sampled in November 1988 for three needle age-classes.
 Needle wettability was assessed by measuring needle--water
 droplet contact angles. Mean angles per site and age-class ranged
 from 73 to 42 degrees and decreased significantly with increasing
 needle age. Needle contact angles were highly correlated with fog
 acidity (R = 0.99). decreasing with increasing acidity. Angles
 were lower on needles from declining trees than on needles from
 visually healthy trees. Epicuticular wax amount was highly
 correlated with quantity of fog collected at the sites (R =
 0.99). Needles from trees at the inland site located outside the
 coastal fog zone had the smallest wax deposits, while needles
 from trees exposed to the greatest amount of fog had the largest
 wax deposits. Epicuticular wax was comprised of secondary
 alcohols (42%), diols (19%), alkyl esters (16%), primary alcohols
 (6%), hydroxy fatty acids (2%), and fatty acids (1%). Estolides
 (14%) in the wax were tentatively identified but not confirmed by
 mass spectrometry. Needles from trees exposed to the most fog had
 the greatest amounts of secondary alcohols and alkyl esters.
 Needles from trees not exposed to fog had greater amounts of
 diols. There was no obvious relationship between fog acidity and
 wax chemical composition.
 
 
 374                              NAL Call. No.: QH545.A1E52
 Radish (Raphanus sativus L.): a model for studying plant
 responses to air pollutants and other environmental stresses.
 Kostka-Rick, R.; Manning, W.J.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 82 (2): p. 107-138; 1993.  Literature
 review. Includes references.
 
 Language:  English
 
 Descriptors: Raphanus sativus; Models; Experimental design; Air
 pollutants; Ozone; Sulfur dioxide; Nitrogen dioxide; Acid
 deposition; Environmental factors; Stress factors; Phytotoxicity;
 Light relations; Temperature; Mineral nutrition; Soil water;
 Spacing; Air pollution; Research; Literature reviews
 

 375                              NAL Call. No.: QH545.A1E52
 Rain and throughfall chemistry in a Norway spruce forest in the
 Western Prealps.
 Novo, A.; Buffoni, A.; Tita, M.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (2): p. 199-208; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Lombardy; Picea abies; Air pollution; Air
 pollutants; Deposition; Rain; Acid rain; Throughfall; Ph;
 Acidity; Mineral content; Leaching; Canopy; Coniferous forests
 
 
 376                                NAL Call. No.: 1.98 AG84
 Rain, runoff, and underground water.
 Comis, D.
 Washington, D.C. : The Service; 1992 Feb.
 Agricultural research - U.S. Department of Agriculture,
 Agricultural Research Service v. 40 (2): p. 16-17; 1992 Feb.
 
 Language:  English
 
 Descriptors: Groundwater; Groundwater flow; Water management;
 Rain; Runoff; Overland flow; Agricultural chemicals; Conservation
 tillage; No-tillage; Groundwater pollution; Water quality
 
 
 377                            NAL Call. No.: A99.9 F7632US A
 rain simulator for greenhouse use.
 Schoettle, A.W.
 Fort Collins, Colo. : The Station; 1992 Jun.
 Research note RM - U.S. Department of Agriculture, Forest
 Service, Rocky Mountain Forest and Range Experiment Station
 (517): 4 p.; 1992 Jun.  Includes references.
 
 Language:  English
 
 Descriptors: Acid rain; Simulation; Greenhouse culture
 
 
 378                                 NAL Call. No.: TC401.L3
 Rainfall and water quality in the Southern Plains.
 Sharpley, A.N.; Smith, S.J.; Menzel, R.G.; Berg, W.A.; Jones,
 O.R. Washington, D.C. : North American Lake Management Society;
 1987. Lake and reservoir management v. 3: p. 379-384; 1987. 
 Includes references.
 
 Language:  English
 
 Descriptors: Southern plains states of U.S.A.; Rain; Acidity; Ph;
 Runoff; Water quality; Soil acidity; Fertilizers
 
 
 379                                 NAL Call. No.: 56.9 SO3
 Rainfall intensity affects transport of water and chemicals
 through macropores in no-till soil.
 Edwards, W.M.; Shipitalo, M.J.; Dick, W.A.; Owens, L.B.
 Madison, Wis. : The Society; 1992 Jan.
 Soil Science Society of America journal v. 56 (1): p. 52-58; 1992
 Jan. Includes references.
 
 Language:  English
 
 Descriptors: Zea mays; No-tillage; Hapludalfs; Lumbricus
 terrestris; Earthworm channels; Macropores; Macropore flow;
 Percolation; Transport processes; Atrazine; Strontium; Bromides;
 Agricultural chemicals; Movement in soil; Artificial
 precipitation; Rain; Duration; Temporal variation; Infiltration;
 Surface layers; Volume; Storms
 
 Abstract:  Water that infiltrates through cropland soils can
 carry agricultural chemicals through and below the root zone,
 possibly reaching groundwater. We investigated the effect of
 rainfall intensity on movement of water and chemicals through
 no-till soil containing earthworm (Lumbricus terrestris L.)
 burrows and other macropores. Nine 30 by 30 by 30 cm blocks of
 soil from the surface of a no-till corn (Zea mays L.) field
 received a surface application of 7.7 kg ha-1 atrazine
 (2-chloro-4-ethylamino-6-isopropylamino-s-triazine) and 105 kg
 ha-1 SrBr2.6H2O and were subjected to simulated rainfall
 treatments of 30 mm (2700 mL) of water applied in 15-, 30-, or
 120-min periods. Percolation through the blocks during and after
 the rainfall treatments was collected in 64 3.75 by 3.75 cm cells
 at the base of each block. Average time to start of percolation
 was 2.2, 4.4, and 51.5 min for the 15-, 30-, and 120-min rainfall
 treatments, respectively. For the same treatments, percolation
 volumes averaged 468, 334, and 33 mL block-1. Of the 64 possible
 percolation sampling cells, the average number of cells that
 collected percolate was 13.3 for the fast, 5.3 for the medium,
 and 3.3 for the slow treatments. The largest percolate sample for
 each block averaged 34, 60, and 51% of the total percolate for
 these intensity rates, emphasizing the lack of homogeneous flow
 through soils containing macropores. Average concentration of
 atrazine in the percolate ranged between 7 and 9 mg L-1 and was
 not affected by rainfall intensity. A second 30-min-intensity
 storm was applied 1 wk later to all blocks, producing more
 percolate with lower chemical concentrations. Transport of each
 chemical was dominated by percolate volume rather than by
 rainfall intensity.
 
 
 380                    NAL Call. No.: TD195.54.E85R352 1991
 The RAINS model of acidification science and strategies in
 Europe. Alcamo, Joseph; Shaw, Roderick; Hordjik, Leen
 International Institute for Applied Systems Analysis, Sweden,
 Statens naturvardsverk, Norway, Miljoverndepartementet,
 Netherlands, Ministerie van Volkshuisvesting, Ruimtelijke
 Ordening en Milieubeheer
 Laxenburg, Austria : International Institute for Applied Systems
 Analysis,; 1991.
 vii, 23 p. : ill., maps ; 24 cm. (Executive report (International
 Institute for Applied Systems Analysis) ; 18.).  With support
 from: National Environmental Protection Board, Sweden; Ministry
 of Environment, Norway; Ministry of Housing, Physical Planning,
 and Environment, Netherlands.  January 1991.
 
 Language:  English
 
 Descriptors: Acid deposition; Transboundary pollution;
 Atmospheric diffusion
 
 
 381                                 NAL Call. No.: S590.C63
 Rapid analysis of macro and micro nutrients in leaves and
 vegetation by automated x-ray fluorescence spectrometry (A case
 study of an acid-rain affected forest).
 Kocman, V.; Peel, T.E.; Tomlinson, G.H.
 New York, N.Y. : Marcel Dekker; 1991.
 Communications in soil science and plant analysis v. 2 (19/20):
 p. 2063-2075; 1991.  Includes references.
 
 Language:  English
 
 Descriptors: Quebec; Acer saccharum; X ray fluorescence;
 Spectrometry; Rapid methods; Plant analysis; Nutrient content;
 Leaves; Vegetation; Macronutrients; Trace elements; Nutrient
 availability; Nutrient uptake; Nutrient deficiencies; Potassium;
 Calcium; Nutrient nutrient interactions; Ratios; Defoliation;
 Environmental impact; Acid rain; Case studies; Potassium sulfate;
 Quantitative analysis; Drying; Pressing; Crushing; Calibration;
 Reference standards
 
 
 382                        NAL Call. No.: VtUTD881.R36 1982
 Rapport de l'atelier sur les precipitations acides tenu a
 L'Institut Desjardins de Levis, le 12 novembre 1981  [Report of
 the Workshop on Acid Rain held at the Desjardins de Levis
 Institute].
 Quebec (Province), Ministere de l'environnement, Direction des
 inventaires Quebec : Direciton des communications et de
 l'education, Ministere de l'environnement,; 1982.
 vii, 165 p. : ill., cartes geographiques ; 28 cm.  Published by
 the Directorate of Inventories.  Envirodoq 3897.  Available in
 CD-ROM as part of Acid rain: Canadian Government Documents
 prepared by the Acid Rain Project, Bailey/Howe Library,
 University of Vermont. (Z699.5.G6A3).  Bibliography: p. 129-130.
 
 Language:  French; French
 
 Descriptors: Acid precipitation (Meteorology)
 
 
 383                                NAL Call. No.: QH540.E23 A
 reassessment of areal variability of throughfall deposition
 measurements. Lawrence, G.B.; Fernandez, I.J.
 Tempe, Ariz. : Ecological Society of America; 1993 Aug.
 Ecological applications v. 3 (3): p. 473-480; 1993 Aug.  Includes
 references.
 
 Language:  English
 
 Descriptors: Maine; Picea rubens; Abies balsamea; Throughfall;
 Acid deposition; Sulfate; Potassium; Anions; Cations; Coniferous
 forests; Canopy; Basal area
 
 
 384                               NAL Call. No.: QH540.E288
 Recovery from acidification.
 Stuanes, A.O.; Van Miegroet, H.; Cole, D.W.; Abrahamsen, G. New
 York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 467-494;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution;
 Acidification; Acid soils; Acid deposition; Soil chemistry;
 Alkalinization; Research projects; Forests; Forest soils
 
 
 385                                 NAL Call. No.: QH540.J6
 Red spruce response to ozone and cloudwater after three years
 exposure. Thornton, F.C.; Pier, P.A.; McDuffie, C. Jr
 Madison, Wis. : American Society of Agronomy; 1992 Apr.
 Journal of environmental quality v. 21 (2): p. 196-202; 1992 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Virginia; Picea rubens; Ozone; Air pollution; Acid
 deposition; Clouds; Mists; Photosynthesis; Respiration;
 Chlorophyll; Carotenoids; Conifer needles; Nutrient content;
 Seedlings; Plant height; Dry matter accumulation; Growth
 chambers; Nitrogen content; Mountains; Mountain forests
 
 Abstract:  This study reports on the results of a 3-yr study
 conducted at a high elevation site in the southern Appalachians
 to determine if cloudwater and ozone (O3) adversely effect the
 growth of red spruce seedlings (Picea rubens Sarg.). Field
 chambers were established at Whitetop Mountain, VA (elevation
 1689 m), in 1988. Three replicate chamber treatments were
 constructed to produce the following treatments: (i) exclusion of
 clouds and O3 (COE), (ii) ambient O3 with clouds removed (CE),
 and (iii) exposure to both clouds and O3 (CC). Ambient air plots
 (AA) were also included in order to assess possible chamber
 effects. Potted native seedlings from the surrounding forest and
 seedlings grown from seed collected in the Great Smoky Mountains
 National Park (GSM seedings) were used in the study. After 3 yr,
 seedlings were impacted little by the reduction in pollution
 levels within the CE and COE chambers. No differences in seedling
 diameter growth were found for either seedling type, and height
 growth differences that were detected indicated more height
 growth in treatments with ambient O3 and cloudwater. Minimal
 biomass effects were also found. Increased nutrient leaching of
 needle Ca and Mg was observed in cloudwater treatments, but
 needle concentrations were not reduced to deficiency levels.
 Removal of both cloudwater and O3 (COE) did not enhance
 photosynthesis (Ps) rates for native or GSM seedlings. However,
 Ps of seedlings in which only cloudwater was removed (CE) was
 lower in 1-yr-old needles (C + 1) of native and GSM seedlings,
 and in 2-yr-old needles (C + 2) of native seedlings. These lower
 Ps rates of CE seedlings were correlated with lower needle N
 concentrations, indicating that cloudwater NO3(-1) and NH4(+1)
 may have provided a fertilizer effect within AA and CC
 treatments. Respiration of current year needles of native
 seedlings was not affected by treatments; however, respiration
 was lower in older needles (C + 1 and C + 2) in which O3 and
 cloudwater were removed (
 
 
 386                              NAL Call. No.: QH545.A1E52
 Regional and historical variation in the nitrogen content of
 Racomitrium lanuginosum in Britain in relation to atmospheric
 nitrogen deposition. Baddeley, J.A.; Thompson, D.B.A.; Lee, J.A.
 Barking, Essex, England : Elsevier Applied Science Publishers,
 1987-; 1994. Environmental pollution v. 84 (2): p. 189-196; 1994. 
 Includes references.
 
 Language:  English
 
 Descriptors: Mosses; Heathland; Mountain areas; Altitude; Acid
 deposition; Nitrogen; Nitrogen content; Historical records
 
 
 387                               NAL Call. No.: QH540.E288
 Regional evaluations of acid deposition effects on forest.
 Southern pines. Binkley, D.; Johnson, D.W.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 534-543;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Southeastern states of U.S.A.; Coniferous forests;
 Air pollution; Acid deposition; Decline; Stand development; Pinus
 elliottii; Pinus taeda; Research projects; Forest soils; Nutrient
 availability
 
 
 388                               NAL Call. No.: QH540.E288
 Regional evaluations of acid deposition effects on forests.
 Eastern hardwoods. Raynal, D.J.; Foster, N.W.; Mitchell, M.J.;
 Johnson, D.W. New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 526-534;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: New York; Forest trees; Acer saccharum; Broadleaved
 deciduous forests; Air pollution; Acid deposition; Mineral
 deficiencies; Decline; Aluminum; Research projects; Forest soils;
 Soil chemistry
 
 
 389                               NAL Call. No.: QH540.E288
 Regional evaluations of acid deposition effects on forests.
 Eastern spruce-fir.
 Johnson, A.H.; Friedland, A.J.; Miller, E.K.; Battles, J.J.;
 Huntington, T.G.; Vann, D.R.; Strimbeck, G.R.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 496-525;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: New York; Picea rubens; Air pollution; Acid
 deposition; Coniferous forests; Mountain forests; Decline;
 Research projects; Forest soils; Soil chemistry
 

 390                               NAL Call. No.: QH540.E288
 Regional evaluations of acid deposition effects on forests.
 Europe. Aamlid, D.; Venn, K.; Stevens, A.O.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 543-559;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Europe; Norway; Coniferous forests; Broadleaved
 deciduous forests; Decline; Air pollution; Acid deposition; Soil
 chemistry; Research projects; Forest soils
 
 
 391                  NAL Call. No.: VtUFich E1.99 BNL-36723 A
 regional perspective on aquatic effects of acid deposition George
 R. Hendrey.
 Hendrey, George R.
 United States, Dept. of Energy, Technical Information Center,
 Brookhaven National Laboratory, Dept. of Applied Science
 Acid Deposition Causes and Effects 1983 : Gainesville, Fla.
 Upton, N.Y. : Dept. of Applied Science, Brookhaven National
 Laboratory, Associated Universities,; 1983.
 p. 53-61 ; 28 cm.  Cover title.  Proceedings of a workshop, Acid
 deposition causes and effects -- a state assessment model,
 University of Florida, Gainesville, Florida, March 23-24, 1983. 
 March 1983.  DE85 014820. EDB-520200.  Bibliography: p. 59-61.
 
 Language:  English
 
 Descriptors: Acid deposition; Aquatic ecology
 
 
 392                              NAL Call. No.: QH545.A1E52
 Relation between estimated dry deposition and throughfall in a
 coniferous forest exposed to controlled levels of SO2 and NO2.
 Granat, L.; Hallgren, J.E.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (2): p. 237-242; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Sweden; Pinus sylvestris; Sulfur dioxide; Nitrogen
 dioxide; Air pollution; Acid deposition; Throughfall; Leaching;
 Canopy; Deposition; Sulfate; Nitrate; Stomata; Coniferous forests
 
 
 393                              NAL Call. No.: QH545.A1E52
 Relationship between foliar injury and changes in antioxidant
 levels in red and Norway spruce exposed to acidic mists.
 Chen, Y.M.; Lucas, P.W.; Wellburn, A.R.
 Essex : Elsevier Applied Science; 1991.
 Environmental pollution v. 69 (1): p. 1-15; 1991.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea abies; Picea rubens; Acid deposition; Pine
 needles; Abiotic injuries; Glutathione; Antioxidants;
 Peroxidases; Glutathione peroxidase; Enzyme activity; Chemical
 composition; Sulfate; Ammonium; Nitrate; Ph; Seasonal variation
 
 
 394                                NAL Call. No.: 450 P5622
 Release of gramine from the surface of barley leaves.
 Yoshida, H.; Tsumuki, H.; Kanehisa, K.; Corcuera, L.J.
 Oxford ; New York : Pergamon Press, 1961-; 1993 Nov.
 Phytochemistry v. 34 (4): p. 1011-1013; 1993 Nov.  Includes
 references.
 
 Language:  English
 
 Descriptors: Hordeum; Leaves; Phalaris; Genotypes; Gramine;
 Lines; Plant extracts; Toxicity; Acid rain; Allelopathy
 
 Abstract:  Gramine, an indole protoalkaloid found in barley
 leaves, is toxic to mammals, insects and plants. A time course
 experiment, in which barley leaves were dipped into 0.1 M
 hydrogen chloride-ethanol (7:3 v/v) for 1-60 sec, suggested that
 some gramine was on the leaf surface. The suitability of this and
 other solvents for surface gramine extraction is discussed. About
 0.04-0.18% of total gramine was released from the leaf surface of
 several lines of Hordeum vulgare sub-species vulgare and
 spontaneum. Artificial rain experiments showed that gramine was
 eluted from leaves. No differences were found between amounts
 eluted by acid and normal rain. The implications that these
 findings may have for plant defence and allelopathy are
 discussed.
 
 
 395                             NAL Call. No.: TD196.A25R47
 Report on the second annual review meeting of the National Acid
 Precipitation Assessment Program research to assist decision
 making: January 31-February 1, 1984, Frederick, Maryland.. 
 Reserch to assist decision making National Acid Precipitation
 Assessment Program (U.S.),United States, Interagency Task Force
 on Acid Precipitation
 Washington, D.C. : The Task Force,; 1984, reprinted 1984. 1 v.
 (various pagings).  CONF-840180--Summ.  "DE85 003003"--Cover.
 
 Language:  English
 
 Descriptors: Acid precipitation (Meteorology); Acid rain
 
 
 396                                 NAL Call. No.: QH540.S8
 Research into forest decline and air pollution in France. Major
 findings and relevance for policy applications.
 Landmann, G.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 383-395; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: France; Forests; Forest trees; Coniferous forests;
 Air pollution; Acid deposition; Acidification; Decline;
 Environmental policy
 
 
 397                              NAL Call. No.: QH545.A1E52
 Research on the impact of forest stand structure on atmospheric
 deposition. Draaijers, G.P.J.; Ek, R. van; Meijers, R.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (2): p. 243-249; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Utrecht; Pinus sylvestris; Pseudotsuga menziesii;
 Quercus robur; Air pollution; Acid deposition; Deposition;
 Throughfall; Canopy; Leaching; Sulfate; Nitrate; Stand structure
 
 
 398                         NAL Call. No.: SB745.4.R47 1990
 Response of forest trees to sulfur, nitrogen, and associated
 pollutants..  FRP forest effects report Forest effects report
 Mattson, Kim G._1955-; Blair, Roger
 Corvallis Environmental Research Laboratory, Forest Response
 Program (U.S.),United States, Environmental Protection Agency,
 United States, Forest Service
 Corvallis, OR : Environmental Reseach [sic] Laboratory, US
 Environmental Protection Agency,; 1990.
 v, 134 p. : ill., maps ; 28 cm.  Running title: FRP forest
 effects report. August, 1990.  "Forest Response Program, major
 program output.  The Forest Response Program is a cooperative
 program of the US Environmental Protection Agency and the USDA
 Forest Service with support from the National Council of the
 Paper Industry for Air and Stream Improvement, Inc. 
 EPA/600/3-90/074. Includes bibliographical references: (p.
 75-89).
 
 Language:  English
 
 Descriptors: Trees; Plants, Effect of acid deposition on; Forest
 conservation; Acid deposition; Ozone
 
 
 399                                NAL Call. No.: 450 J8224
 Response of leaf spectral reflectance in loblolly pine to
 increased atmospheric ozone and precipitation acidity.
 Carter, G.A.; Mitchell, R.J.; Chappelka, A.H.; Brewer, C.H.
 Oxford : Oxford University Press; 1992 Apr.
 Journal of experimental botany v. 43 (249): p. 577-584; 1992 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Pinus taeda; Air pollution; Ozone; Acid rain; Pine
 needles; Reflectance; Light; Infrared radiation; Varieties;
 Seasonal variation; Chlorophyll
 
 Abstract:  Leaf reflectance responses to increased ozone and
 precipitation acidity were determined at visible (400-720 nm) and
 infra-red (720-2500 nm) wavelengths for field-grown seedlings of
 loblolly pine (Pinus taeda L.). Treatments were maintained
 continuously from 3 April to 3 November. In a relatively ozone-
 sensitive variety of pine, increased ozone decreased visible and
 infra-red reflectance by late May. By late August, continued
 exposure to ozone increased visible and infra-red reflectance. As
 of late November, ozone at 1.7 X ambient or greater
 concentrations had increased visible reflectance substantially in
 an ozone-insensitive as well as the ozone-sensitive variety.
 Acidic precipitation decreased visible and infra-red reflectances
 in both varieties in May and decreased infra-red reflectances in
 the ozone-sensitive variety in August, but did not produce
 significant reflectance responses in November. Visible
 reflectance responses to ozone and acidic precipitation,
 particularly those near 700 nm, were spectrally similar to
 reflectance responses reported previously for other deleterious
 environmental influences.
 
 
 400                               NAL Call. No.: QD415.A1J6
 Response of total tannins and phenolics in loblolly pine foliage
 exposed to ozone and acid rain.
 Jordan, D.N.; Green, T.H.; Chappelka, A.H.; Lockaby, B.G.;
 Meldahl, R.S.; Gjerstad, D.H.
 New York, N.Y. : Plenum Press; 1990 Mar.
 Journal of chemical ecology v. 17 (3): p. 505-513; 1990 Mar. 
 Includes references.
 
 Language:  English
 
 Descriptors: Alabama; Pinus taeda; Foliage; Air pollution;
 Defense mechanisms; Acid rain; Ozone; Plant composition; Phenolic
 compounds; Tannins; Metabolites
 
 Abstract:  Tannin and total phenolic levels in the foliage of
 loblolly pine (Pinus taeda L.) were examined in order to evaluate
 the effect of atmospheric pollution on secondary plant
 metabolism. The trees were exposed to four ozone concentrations
 and three levels of simulated acid rain. Tannin concentration
 (quantity per gram) and content (quantity per fascicle) were
 increased in foliage exposed to high concentrations of ozone in
 both ozone-sensitive and ozone-tolerant families. No effect of
 acid rain on tannins was observed. Neither total phenolic
 concentration nor content was significantly affected by any
 treatment, indicating that the ozone-related increase in foliar
 tannins was due to changes in allocation within the phenolic
 group rather than to increases in total phenolics. The change in
 allocation of resources in the production of secondary
 metabolites may have implications in herbivore defense, as well
 as for the overall energy balance of the plant.
 
 
 401                              NAL Call. No.: QH545.A1E52
 Responses of microbial populations in the rhizosphere to
 deposition of simulated acidic rain onto foliage and/or soil.
 Shafer, S.R.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 76 (3): p. 267-278; 1992.  Includes
 references.
 
 Language:  English
 
 Descriptors: Acid rain; Soil pollution; Rhizosphere; Rhizosphere
 fungi; Soil bacteria; Community ecology; Foliage; Interception;
 Mineral content; Sulfur; Nitrogen content; Dry matter
 accumulation; Acid deposition; Biomass; Sorghum bicolor x sorghum
 sudanense; Soil ph; Acidity
 
 
 402                                NAL Call. No.: QK600.M82
 Responses of phyllosphere microfungi to simulated sulphuric and
 nitric acid deposition.
 Helander, M.L.; Ranta, H.; Neuvonen, S.
 Cambridge : Cambridge University Press; 1993 May.
 Mycological research v. 97 (pt.5): p. 533-537; 1993 May. 
 Includes references.
 
 Language:  English
 
 Descriptors: Finland; Phylloplane fungi; Phyllosphere;
 Aureobasidium; Deuteromycotina; Acid rain; Nitric acid; Sulfuric
 acid; Leaves; Betula pubescens; Pine needles; Pinus sylvestris;
 Population dynamics; Air pollution; Botanical composition
 
 
 403                                 NAL Call. No.: SD13.C35
 Responses of red spruce seedlings to ozone and acid deposition.
 Patton, R.L.; Jensen, K.F.; Schier, G.A.
 Ottawa, Ont. : National Research Council of Canada; 1991 Sep.
 Canadian journal of forest research; Journal canadien de
 recherche forestiere v. 21 (9): p. 1354-1359; 1991 Sep.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea rubens; Seedlings; Ozone; Acid rain;
 Simulation; Growth; Mineral content; Foliage; Carbohydrates;
 Nitrogen
 
 Abstract:  Red spruce (Picea rubens Sarg.) seedlings were treated
 with ozone and simulated acid precipitation to determine the
 effects of these pollutants on growth, nonstructural
 carbohydrates, and foliar mineral content. One-year-old seedlings
 were fumigated with ozone (at 0.15 microL/L for 6 h/d or at 0.15
 microL/L for 6 h/d plus 0.07 microL/L for 18 h/d) and treated
 with simulated precipitation (pH 3.5, 4.0, or 4.5) for up to 28
 weeks. Seedlings were harvested at 7-week intervals. Ozone had no
 effect on growth, and precipitation acidity affected only
 terminal length. Carbohydrate pools were altered little by the
 ozone and precipitation treatments. Of eight minerals tested,
 only Ca was affected by precipitation acidity and only P and Cu
 were affected by ozone. The results of this experiment show that
 red spruce seedlings that receive ample supplies of water and
 nutrients are tolerant to ozone and changes in precipitation
 acidity.
 
 
 404                                NAL Call. No.: QH540.A55
 Responses of terrestrial ecosystems to the changing atmosphere: a
 resource-based approach.
 Field, C.B.; Chapin, F.S. III; Matson, P.A.; Mooney, H.A. Palo
 Alto, Calif. : Annual Reviews, Inc; 1992.
 Annual review of ecology and systematics v. 23: p. 201-235; 1992. 
 Literature review.  Includes references.
 
 Language:  English
 
 Descriptors: Plant ecology; Plant physiology; Carbon dioxide
 enrichment; Air pollution; Air temperature; Cycling; Climatic
 change; Ozone; Sulfur dioxide; Acid deposition; Reviews
 

 405                      NAL Call. No.: VtUTD890.D471 1988a
 Resultats obtenus par le reseau de mesure des precipitations
 acides du bulletin hebdomadaire (decembre 1986-novembre 1987) 
 [Results obtained by the measuring network of acid rain from the
 weekly bulletin]. Desautels, Gilles
 Canada, Atmospheric Environment Service, Quebec Region,
 Scientific Services Division
 Quebec : Division des services scientifiques, Region du Quebec,
 Service de l'environnement atmospherique,; 1988.
 3, [12] p. : ill. ; 28 cm.  Rapport interne.  Fevrier 1988.
 
 Language:  French; French
 
 Descriptors: Air; Hydrogen-ion concentration; Acid precipitation
 (Meteorology)
 
 
 406                               NAL Call. No.: QH540.E288
 Results of experiments: germination and seedling development.
 Eldhuset, T.D.; Teigen, O.; Bjor, K.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 287-294;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Pinus sylvestris; Picea
 abies; Betula pendula; Phytotoxicity; Seed germination; Seedling
 growth; Establishment; Aluminum; Mineral content; Acidification;
 Soil acidity
 
 
 407                               NAL Call. No.: QH540.E288
 Results of experiments: ground vegetation: mycoflora.
 Hoiland, K.; Jenssen, H.B.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 230-238;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Basidiomycotina; Mushrooms;
 Soil fungi; Botanical composition; Community ecology; Population
 ecology; Acidification; Acid soils; Soil acidity; Forest
 plantations; Experimental plots; Long term experiments;
 Mycorrhizal fungi; Ectomycorrhizas
 
 
 408                               NAL Call. No.: QH540.E288
 Results of experiments: ground vegetation: the B-2 exp eriment.
 Nygaard, P.H.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: 221-229;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Ground vegetation;
 Botanical composition; Community ecology; Plant ecology;
 Acidification; Soil acidity; Acid soils; Dry matter accumulation;
 Phytotoxicity; Experimental plots; Long term experiments; Forest
 plantations
 
 
 409                               NAL Call. No.: QH540.E288
 Results of experiments: monolith lysimeters.
 Abrabamsen, G.; Stuanes, A.O.; Sogn, T.A.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 239-286;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Leaching; Lysimeters;
 Lysimetry; Anions; Cations; Leachates; Forest soils; Experimental
 plots; Long term experiments; Liming; Acidification; Soil
 acidity; Acid soils; Soil chemistry; Exchangeable cations
 
 
 410                               NAL Call. No.: QH540.E288
 Results of experiments: plant-soil interactions.
 Abrabamsen, G.; Tveite, B.; Stuanes, A.O.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 204-220;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid soils; Pinus contorta; Picea
 abies; Pinus sylvestris; Acidification; Soil acidity; Mineral
 content; Nutrient content; Foliar diagnosis; Soil fertility;
 Nutrient uptake; Experimental plots; Forest plantations; Long
 term experiments
 
 
 411                               NAL Call. No.: QH540.E288
 Results of experiments: soil biology: decomposition and soil
 acidity. Hagvar, S.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 136-139;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Soil flora; Biological
 activity in soil; Decomposition; Soil acidity; Soil ph;
 Acidification; Experimental plots; Forest soils; Forest
 plantations; Long term experiments
 
 
 412                               NAL Call. No.: QH540.E288
 Results of experiments: soil biology: soil animals and soil
 acidity. Hagvar, S.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 101-121;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Forest soils; Soil
 invertebrates; Protozoa; Soil ph; Acidification; Acid soils;
 Experimental plots; Long term experiments; Forest plantations;
 Soil acidity
 
 
 413                               NAL Call. No.: QH540.E288
 Results of experiments: soil biology: soil microflora and soil
 acidity. Olsen, R.A.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 122-135;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Forest soils; Soil flora;
 Ectomycorrhizas; Soil ph; Acidification; Soil acidity;
 Experimental plots; Long term experiments; Forest plantations;
 Acid soils
 
 
 414                               NAL Call. No.: QH540.E288
 Results of experiments: soil chemistry.
 Stuanes, A.O.; Abrahamsen, G.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 37-100;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Forest plantations; Forest
 soils; Soil chemistry; Soil ph; Acidification; Long term
 experiments; Experimental plots; Soil acidity
 
 
 415                               NAL Call. No.: QH540.E288
 Results of experiments: trees: growth.
 Tveite, B.; Abrahamsen, G.; Huse, M.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 180-203;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Pinus contorta; Picea
 abies; Pinus sylvestris; Acidification; Acid soils; Soil acidity;
 Growth effects; Plant height; Increment; Long term experiments;
 Experimental plots; Forest plantations; Growth analysis
 
 
 416                               NAL Call. No.: QH540.E288
 Results of experiments: trees: nutrition.
 Tveite, B.; Abrahamsen, G.; Huse, M.
 New York, N.Y. : Springer-Verlag; 1994.
 Ecological studies : analysis and synthesis v. 104: p. 140-179;
 1994.  In the series analytic: Long-term experiments with acid
 rain in Norwegian forest ecosystems / edited by G. Abrahamsen,
 A.O. Stuanes and B. Tveite.  Includes references.
 
 Language:  English
 
 Descriptors: Norway; Cabt; Acid rain; Pinus contorta; Picea
 abies; Pinus sylvestris; Acidification; Acid soils; Soil acidity;
 Plant nutrition; Mineral nutrition; Forest plantations; Long term
 experiments; Experimental plots; Nutrient content; Mineral
 content
 
 
 417                              NAL Call. No.: QH545.A1E52
 Retention and chemistry of aluminium in groundwater discharge
 areas. Norrstrom, A.C.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 81 (3): p. 269-275; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Sweden; Aluminum; Watersheds; Acid deposition; Peat
 soils; Soil properties; Ash; Bulk density; Cation exchange
 capacity; Base saturation; Soil depth; Soil ph; Soil organic
 matter; Groundwater; Runoff water; Water quality
 
 
 418                    NAL Call. No.: VtUTD883.7.C2W47 1985 A
 review of mesoscale modelling for application to western Canada.
 Western Mesoscale Modelling Task Group; Technical Committee for
 the Long Range Transport of Atmospheric Pollutants in Western
 Canada
 Canada : s.n.,; 1985.
 ii, 29 p. ; 28 cm.  December 1985.  Available in CD-ROM as part
 of Acid rain: Canadian Government Documents prepared by the Acid
 Rain Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).  Bibliography: p. 19-28.
 
 Language:  English
 
 Descriptors: Acid deposition; Acid precipitation (Meteorology)
 
 
 419                                 NAL Call. No.: QH540.S8
 Review report.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 625-661; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider.
 
 Language:  English
 
 Descriptors: Air pollution; Air pollutants; Sulfur dioxide;
 Ammonia; Nitrogen oxides; Acid deposition; Acidification; Soil
 acidity; Nitrogen cycle; Heathland; Forests; Forest soils
 

 420                                  NAL Call. No.: S31.T84
 Rhizosphere and non-rhizosphere microbial populations of pine
 trees exposed to acid rain and ozone.
 Ankumah, R.; Hodge, W.
 Tuskegee, Ala. : Sch. of Agric. & Home Econ., Tuskegee Univ.,
 George Wash. Carver Agric. Exp. Stn; 1991.
 Tuskegee horizons v. 2 (1): p. 21; 1991.
 
 Language:  English
 
 Descriptors: Pinus taeda; Soil flora; Ozone; Microbial flora;
 Acid rain
 
 
 421                        NAL Call. No.: TD196.A25R64 1988
 Rocky Mountain acid deposition model assessment evaluation of
 mesoscale acid deposition models for use in complex terrain.
 Morris, R. E.
 Atmospheric Sciences Research Laboratory
 Research Triangle Park, NC : Atmospheric Sciences Research
 Laboratory, U.S. Environmental Protection Agency,; 1988; EP
 1.89/2:600/S 3-88/008. 5 p. ; 28 cm.  At head of title: Project
 summary.  Caption title.  Shipping list no.: 88-274-P.  Apr.
 1988.  EPA/600/S3-88/008.
 
 Language:  English; English
 
 Descriptors: Acid rain; Acid deposition; Acid precipitation
 (Meteorology)
 
 
 422                               NAL Call. No.: 464.8 AN72
 The role of abiotic stresses in the decline of red spruce in high
 elevation forests of the eastern United States.
 Johnson, A.H.
 Palo Alto, Calif. : Annual Reviews, Inc; 1992.
 Annual review of phytopathology v. 30: p. 349-367; 1992. 
 Literature review. Includes references.
 
 Language:  English
 
 Descriptors: Northeastern states of U.S.A.; Southern states of
 U.S.A.; Forests; Picea rubens; Abiotic injuries; Air pollution;
 Acid deposition; Decline; Cold injury; Cold tolerance; Altitude;
 Literature reviews
 
 
 423                              NAL Call. No.: S592.7.A1S6
 Saturation potentials for sulfate adsorption by field-moist
 forest soils. Autry, A.; Fitzgerald, J.W.
 Exeter : Pergamon Press; 1993 Jul.
 Soil biology & biochemistry v. 25 (7): p. 833-838; 1993 Jul. 
 Includes references.
 
 Language:  English
 
 Descriptors: Forest soils; Sulfate; Adsorption; Soil water
 content; Acid deposition
 
 Abstract:  Soil samples from each genetic horizon of forests of
 different elevation, location, soil type and vegetation were
 assayed to determine saturation potentials for sulfate
 adsorption. In the uppermost (A, E) horizons, soil samples from 8
 out of 17 sites examined required > 400 micromoles added SO4(2-)
 g-1 dry weight to yield saturation. In intermediate (primarily A-
 B) horizons, a similar trend was observed, where samples from 12
 out of 23 sites exhibited values for this measurement > 400
 micromoles SO4(2-) g-1 dry wt. For the lowermost (B, C) horizons,
 14 out of 17 sites examined required > 400 micromoles added
 SO4(2-) g-1 dry wt to achieve saturation. The Whiteface, Coweeta
 hardwood and Red alder sites were found to be the least
 saturated, while the Loblolly, Fullerton and Duke Forest sites
 were found to be the most saturated with respect to adsorption of
 sulfate. With respect to potentials at saturation, 11 out of 17
 uppermost, 14 out of 23 intermediate and 13 out of 17 lowermost
 horizons exhibited adsorption potentials > 50 micromoles SO4(2-)
 adsorbed g-1 dry wt 48 h-1 indicative of a general increase in
 this variable with increasing depth. Soil pH and total C did not
 exert a major effect on these potentials at any depth examined.
 
 
 424                                 NAL Call. No.: QH540.S8
 Scenario analyses using the Dutch Acidification Systems Model.
 Olsthoorn, T.N.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 147-150; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Acid deposition;
 Acidification; Soil acidity; Simulation models; Computer
 simulation; Soil pollution; Heathland; Forests; Ammonia; Nitrogen
 oxides; Sulfur dioxide
 
 
 425                                 NAL Call. No.: QH540.S8
 Scenario analysis with the Dutch Acidification System (DAS)
 model. Tiktak, A.; Bakema, A.H.; Boer, K.F. de; Erisman, J.W.;
 Grinsven, J.J.M. van; Heerden, C. van; Heij, G.J.; Kros, J.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 319-340; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Forests; Forest soils; Acidification;
 Acid deposition; Air pollution; Simulation models; Soil ph; Soil
 acidity; Environmental policy; Ammonia; Sulfur dioxide; Nitrogen
 oxides
 
 
 426                               NAL Call. No.: QH84.8.B46
 Seasonal effects of liming, irrigation, and acid precipitation on
 microbial biomass N in a spruce (Picea abies L.) forest soil.
 Lutzow, M. von; Zelles, L.; Scheunert, I.; Ottow, J.C.G.
 Berlin : Springer International; 1992.
 Biology and fertility of soils v. 13 (3): p. 130-134; 1992. 
 Includes references.
 
 Language:  English
 
 Descriptors: German federal republic; Picea abies; Forest soils;
 Microorganisms; Soil biology; Soil ph; Soil properties; Acid
 rain; Irrigation; Liming; Nitrogen; Seasonality
 
 
 427                                 NAL Call. No.: SD13.C35
 Seasonal patterns of biomass accumulation and carbon allocation
 in Pinus taeda seedlings exposed to ozone, acidic precipitation,
 and reduced soil Mg. Edwards, G.S.; Friend, A.L.; O'Neill, E.G.;
 Tomlinson, P.T. Ottawa, Ont. : National Research Council of
 Canada; 1992 May. Canadian journal of forest research; Revue
 canadienne de recherche forestiere v. 22 (5): p. 640-646; 1992
 May.  Includes references.
 
 Language:  English
 
 Descriptors: Pinus taeda; Ozone; Acid rain; Soil fertility;
 Nutrient deficiencies; Magnesium; Seasonal variation; Biomass
 production; Carbon; Translocation; Growth stages; Phenology;
 Seedlings
 
 Abstract:  Seasonal patterns of biomass accumulation and carbon
 allocation were determined for 1-year-old loblolly pine (Pinus
 taeda L.) seedlings grown in soil having either 15 or 35
 micrograms Mg . g-1 and exposed to subambient, ambient, or twice
 ambient levels of ozone (O3) and simulated rainfall at pH 3.8 or
 5.2 in open-top chambers. Seedlings were harvested during the
 1988 dormancy period, immediately prior to bud break in 1989,
 during the first and third foliar growth flushes of 1989, and at
 the end of the 1989 growing season. At each harvest, biomass of
 individual seedling components was determined for all seedlings,
 and 14C allocation among components was determined on a subset of
 seedlings. Seedlings exposed to twice ambient O3 exhibited a
 delay in fine-root production at the beginning of the 1989
 growing season and reduced coarse-root biomass at the end of the
 1989 growing season. Acidic precipitation and soil Mg treatments
 did not significantly affect biomass at any harvest date, nor
 were any treatment interactions observed. Biomass accumulation
 and carbon allocation were strongly affected by plant
 phenological stage, with maximum root allocation immediately
 prior to bud break and maximum shoot allocation at the end of the
 growing season. Seedlings exposed to twice ambient levels of O3
 exhibited increased total respirational losses, decreased foliar
 retention, and slightly reduced export of initial 14C label to
 stem and roots compared with seedlings exposed to subambient O3;
 however, these trends were not statistically significant.
 
 
 428                                  NAL Call. No.: 450 N42
 Seasonal response of slash pine (Pinus elliottii var. elliottii
 Engelm.) photosynthesis to long-term exposure to ozone and acidic
 precipitation. Byers, D.P.; Johnson, J.D.; Dean, T.J.
 Cambridge : Cambridge University Press; 1992 Sep.
 The New phytologist v. 122 (1): p. 91-96; 1992 Sep.  Includes
 references.
 
 Language:  English
 
 Descriptors: Florida; Pinus elliottii; Ozone; Acid rain;
 Phytotoxicity; Photosynthesis; Net assimilation rate; Seasonal
 variation; Stomata; Leaf conductance
 
 
 429                                 NAL Call. No.: 470 C16C
 Seed bank composition in a subarctic pine-birch forest in Finnish
 Lapland: natural variation and the effect of simulated acid rain.
 Vieno, M.; Komulainen, M.; Neuvonen, S.
 Ottawa, Ont. : National Research Council of Canada; 1993 Mar.
 Canadian journal of botany; Journal canadien de botanique v. 71
 (3): p. 379-384; 1993 Mar.  Includes references.
 
 Language:  English
 
 Descriptors: Finland; Mixed forests; Woodlands; Seed banks;
 Botanical composition; Seedlings; Plant density; Acid rain;
 Sulfuric acid; Nitric acid; Long term experiments
 
 
 430                NAL Call. No.: VtUQH541.15.S95E2613 1985
 Sensibilite de l'ecosysteme aux precipitations acides au Quebec.. 
 Ecoregions et ecodistricts du Quebec Evaluation de la sensibilite
 aux precipitations acides Recherche sur les precipitations acides
 du SCE
 Helie, Robert G._1954-; Mondoux, Jean-Maurice; Gilbert, G.; Li,
 L. K. Canada, Direction generale des terres
 Ottawa : Direction generale des terres, Services de la
 conservation de l'environnement, Environnement Canada,; 1985.
 vii, 96 p. : ill., maps ; 28 cm. (Serie de la classification
 ecologique du territoire ; no 20.).  Sommaire: Ptie A. Ecoregions
 et ecodistricts du Quebec / par G. Gilbert, R.G. Helie et J.M.
 Mondoux--Ptie B. Evaluation de la sensibilite aux precipitations
 acides / par L.K. Li.  Publie aussi en anglais sous le titre:
 Ecosystem sensitivity to acid precipitation for Quebec.  Trois
 cartes en feuillets plies, en pochette.  Sur la p. de t.:
 Recherche sur les precipitations acides du SCE.  Includes
 bibliographical references.
 
 Language:  French
 
 Descriptors: Acid precipitation (Meteorology); Ecology;
 Ecological surveys
 
 
 431                          NAL Call. No.: S593.5.W36 1981
 Sensitivity classification of agricultural land to long-term acid
 precipitation in Eastern Canada.
 Wang, C.; Coote, D. R.
 Canada, Agriculture Canada, Research Branch, Land Resource
 Research Institute (Canada)
 Ottawa : Research Branch, Agriculture Canada,; 1981.
 9 leaves : ill. ; 28 cm. + 1 map (col. ; 46 x 72 cm.).
 (Contribution (Land Resource Research Institute (Canada)) ; no.
 98).  Map folded to 16 x 24 cm. and inserted in pocket inside
 back cover.  Bibliography: leaf 9.
 
 Language:  English; English
 
 Descriptors: Soil acidification; Acid precipitation (Meteorology)
 
 
 432                               NAL Call. No.: QH540.E288
 Sensitivity of forest soils in the western U.S. to acidic
 deposition. Binkley, D.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 97: p. 153-181;
 1992.  In the series analytic: The response of western forests to
 air pollution / edited by R.K. Olson, D. Binkley and M. Bohm. 
 Includes references.
 
 Language:  English
 
 Descriptors: Western states of U.S.A.; Cabt; Acid deposition;
 Forest soils; Acidification; Soil acidity; Air pollution
 
 
 433                   NAL Call. No.: VtUGB857.3.C36L42 1987
 Sensitivity of Saskatchewan surface waters to acidic inputs.
 Lechner, Larry J.; Howard, Gary L.
 Saskatchewan, Air Pollution Control Branch
 Saskatchewan : Air Pollution Control Branch, Saskatchewan
 Environment,; 1987. iii, 13 leaves : color maps ; 28 cm. (APC
 (Saskatchewan. Air Pollution Control Branch) 39.).  Four folded
 maps in pocket.  February, 1987.  Available in CD-ROM as part of
 Acid rain: Canadian Government Documents prepared by the Acid
 Rain Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).
 
 Language:  English; English
 
 Descriptors: Acid pollution of rivers, lakes, etc; Acid
 precipitation (Meteorology)
 
 
 434                   NAL Call. No.: VtUGB857.3.C36C52 1988
 Sensitivity of surface waters of Newfoundland and Labrador to
 acidic precipitation.
 Clair, Thomas A.; Engstrom, Daniel Russell
 S.l. : s.n., 1982?; 1982, reprinted 1988.
 [38] leaves : ill., maps ; 28 cm.  "Draft" hand printed on t.p. 
 Bibliography : leaves [12]-[13].
 
 Language:  English; English
 
 Descriptors: Acid pollution of rivers, lakes, etc; Water
 chemistry; Acid precipitation (Meteorology)
 

 435                                 NAL Call. No.: QH540.J6
 Sensitivity of tree seedlings to aluminum. I. Honeylocust.
 Sucoff, E.; Thornton, F.C.; Joslin, J.D.
 Madison, Wis. : American Society of Agronomy; 1990 Apr.
 Journal of environmental quality v. 19 (2): p. 163-171; 1990 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Gleditsia triacanthos; Phytotoxicity; Aluminum;
 Susceptibility; Forest trees; Seedling growth; Roots; Weight;
 Nutrient uptake; Calcium; Magnesium; Phosphorus; Biomass
 production; Growing media; Acid deposition; Decline
 
 Abstract:  Literature about the effects of Al on trees is
 reviewed in this article, emphasizing factors to consider when
 interpreting how seedling growth responds to Al. This article
 integrates two soil and two hydroponic studies that examine how
 honeylocust (Geditsia triacanthos L.) seedlings respond to Al.
 The studies determined that honeylocust is the most Al-sensitive
 forest tree to have been studied in detail. Plant biomass and
 root number declined as Al in the soil or hydroponic solution
 increased. Growth was most consistently related to e(Al3+) (Al3+)
 is the Al3+ activity in the solution) or to the ratio of MAL/Ca
 (MAL is inorganic monomeric Al). In our study root number
 declined 50% between 0 and 0.05 mM MAL (0 to 0.012 mM Al3+). Root
 weight was also negatively related to root Al and positively
 related to root Ca. Levels of solution MAL/Ca and Al3+ associated
 with more than 20% reductions in honeylocust growth were found in
 lysimeter solutions collected from a number of forested
 watersheds. However, such levels are probably not common in the
 natural edaphic range of honeylocust.
 
 
 436                                 NAL Call. No.: QH540.J6
 Sensitivity of tree seedlings to aluminum. II. Red oak, sugar
 maple, and European beech.
 Kelly, J.M.; Schaedle, M.; Thornton, F.C.; Joslin, J.D.
 Madison, Wis. : American Society of Agronomy; 1990 Apr.
 Journal of environmental quality v. 19 (2): p. 172-179; 1990 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Quercus rubra; Acer saccharum; Fagus sylvatica;
 Phytotoxicity; Aluminum; Susceptibility; Seedling growth; Roots;
 Shoots; Foliage; Plant tissues; Calcium; Biomass production;
 Species differences; Acid deposition; Decline
 
 Abstract:  A series of solution culture and greenhouse studies
 were conducted as part of the ALBIOS project to evaluate the
 response of northern red oak (Quercus rubra L.), sugar maple
 (Acer saccharum Marsh.), and European beech (Fagus sylvatica L.)
 seedlings to Al. Several soil and plant variables were evaluated
 as possible indicators of plant response to increased Al. Of the
 soil variables evaluated, 0.01 M SrCl2 extractable Al was found
 to be well correlated (r = 0.70) with plant response. Changes in
 root branching frequency were found to be an even more sensitive
 indicator of potential impact, although routine applications in
 the field was deemed impractical. Of the three species evaluated,
 northern red oak was the most sensitive to increasing exhibiting
 root growth reductions at Al concentrations ranging from 0.12 to
 0.28 millimole in two separate experiments. The Ca/Al ratio was
 found to be particularly important in establishing toxicity
 thresholds for northern red oak with no Al impacts observed when
 Ca/Al ratio was greater than 4. In low ionic strength solution
 culture experiments, shoot growth of European beech was reduced
 by 40% at an Al concentration of 0.5 millimole. Foliage tissue Al
 concentrations tended to be less reliable than root
 concentrations as predictors of plant response. Comparison of
 established critical tissue levels (CTL) of Al to tissue data
 from various field sites indicated that only northern red oak
 (CTL = approximately 6600 microgram g-1) may be near impact
 levels, whereas soil and soil solution data indicate rhizosphere
 levels generally well below those producing an impact. All
 results and thresholds must be extrapolated with caution because
 there are many interacting factors producing a variety of
 responses in the face of seemingly similar experimental
 treatments.
 
 
 437                                 NAL Call. No.: QH540.J6
 Sensitivity of tree seedlings to aluminum. III. Red spruce and
 loblolly pine. Raynal, D.J.; Joslin, J.D.; Thornton, F.C.;
 Schaedle, M.; Henderson, G.S. Madison, Wis. : American Society of
 Agronomy; 1990 Apr.
 Journal of environmental quality v. 19 (2): p. 180-187; 1990 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Picea rubens; Pinus taeda; Phytotoxicity; Aluminum;
 Susceptibility; Seedling growth; Biomass production; Roots;
 Nutrient uptake; Translocation; Acid deposition; Decline
 
 Abstract:  Unexplained declines in the growth of both red spruce
 (Picea rubens Sarg.) and loblolly pine (Pinus taeda L.) have been
 reported within their natural ranges recently. The possible role
 of Al phytotoxicity as a causal agent in these declines has been
 studied extensively. Results of experiments with seedlings grown
 in solution, sand, and soil indicate minimal involvement of Al in
 the decline of loblolly pine. However, both controlled studies
 and field data indicate that reductions in tissue Ca and Mg may
 occur at Al concentrations well below those causing direct
 injury. Thus, Al may be involved in reductions in pine growth
 through interference with nutrient uptake and translocation.
 Several independent studies demonstrate that Al does directly
 affect growth of red spruce seedlings at Al concentrations of
 less than or equal to 0.25 mM, a concentration that might
 approach the range of soil solution Al concentrations measured in
 native red spruce stands in the Appalachian Mountains (0.1-0.28
 mM). In these seedling studies, concentration of Ca and Mg in red
 spruce roots and foliage were also markedly reduced by relatively
 low solution Al concentrations. Thus, a contributing role for Al
 phytotoxicity in red spruce decline, through both direct biomass
 reduction and indirect effects due to interference with nutrient
 uptake, appears plausible.
 
 
 438                                 NAL Call. No.: QH540.J6
 Sensitivity of twenty soybean cultivars to simulated acid rain.
 Banwart, W.L.; Finke, R.L.; Porter, P.M.; Hassett, J.J.
 Madison, Wis. : American Society of Agronomy; 1990 Apr.
 Journal of environmental quality v. 19 (2): p. 339-346; 1990 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Glycine max; Cultivars; Acid rain; Susceptibility;
 Phytotoxicity; Crop yield; Leaves; Abiotic injuries; Dry matter;
 Length; Pods; Seed size; Screening
 
 Abstract:  Efforts to assess the effect of acid rain on soybean
 [Glycine max (L.) Merr.] have shown variable results. Simulated
 acid rain has been reported to cause increases, decreases, and no
 significant effect on yield. Although few parameters were
 identical among the diverse studies reported in the literature,
 one common difference was the choice of cultivar. In this study,
 20 soybean cultivars were screened to determine their relative
 sensitivity to simulated acid rain. Soybean was grown in 1984,
 1985, and 1986 in field plots in east central Illinois. Plots
 were protected from ambient rain and treated twice weekly with
 simulated rain of pH 5.6 (control) or pH 3.0. Early in each
 growing season visible leaf injury was noted for all 20
 cultivars, and level of injury was significantly higher for
 plants receiving the more acidic treatment (pH 3.0). Average
 yield for the 20 cultivars was approximately the same when plants
 were treated with simulated rain of pH 3.0 as when plants were
 treated with stimulated rain of pH 5.6. Over all 3 yr, the group
 V cultivars Essex and Forrest yielded more grain and had more
 chaff dry matter, pods per hectare, and pods per plant with the
 more acidic pH treatment than with the control treatment. Only
 'Williams 82' yielded significantly less with the more acidic pH
 treatment than with the control treatment. The results suggest
 soybean cultivars may respond differently to applications of
 highly acidified rainfall but none of the cultivars tested were
 extremely sensitive to growth and yield reduction.
 
 
 439                               NAL Call. No.: TP368.F662
 Shelf-life extension of pita bread by modified atmosphere
 packaging. Black, R.G.; Quail, K.J.; Reyes, V.; Kuzyk, M.;
 Ruddick, L. North Sydney, Australia : Council of Australian Food
 Technology Associations, c1988-; 1993 Aug.
 Food Australia : official journal of CAFTA and AIFST v. 45 (8):
 p. 387-391; 1993 Aug.  Includes references.
 
 Language:  English
 
 Descriptors: Bread; Ethnic foods; Food packaging; Controlled
 atmospheres; Nitrogen; Carbon dioxide; Storage life; Food
 quality; Texture; Food spoilage; Flavor
 
 
 440                  NAL Call. No.: VtUGB857.3.C36D873 1987
 SIGMA/SLAM Modele de gestion des milieux acides  [SIGMA/SLAM : Db
 model for the management of acid rain].
 Dupont, Jacques; Grimard, Yves,
 Quebec (Province),Direction de la qualite du Milieu aquatique
 Quebec : Direction de la qualite du milieu aquatique, Ministere
 de l'environnement du Quebec,; 1987.
 xiii, 76 p : ill. , map ; 28 cm. + 1 floppy disk. (PA (Quebec
 (Province). Ministere de l'environnement) ; 27.).  Envirodoq
 870186.  Acidoq 876001. Decembre 1987.  Bibliography: p. [51]-54.
 
 Language:  French; French
 
 Descriptors: Water; Acid pollution of rivers, lakes, etc
 
 
 441                                 NAL Call. No.: QL461.S4
 Simulated acid rain and the susceptibility of the European pine
 sawfly (Neodiprion sertifer) larvae to nuclear polyhedrosis
 virus. Saikkonen, K.; Neuvonen, S.
 Dordrecht, The Netherlands : Kluwer Academic Publishers; 1992.
 Series entomologica v. 49: p. 347-348; 1992.  Paper presented at
 the 8th International Symposium on Insect-Plant Relationships,
 March 9-13, 1992, Wageningen, The Netherlands.  Includes
 references.
 
 Language:  English
 
 Descriptors: Neodiprion sertifer; Susceptibility; Nuclear
 polyhedrosis viruses
 
 
 442                     NAL Call. No.: VtUGB2601.2.S66 1985
 Snowmelt effects related to acidic precipitation a structured
 review of existing knowledge and current research activities.
 Marmorek, David R.,
 Canada, Dept. of Fisheries and Oceans, Canada, Federal LRTAP
 Liaison Office, Canada, Environment Canada
 Downsview, Ont. : Federal LRTAP Liaison Office, Atmospheric
 Environment Service,; 1985.
 116 p. ; 28 cm. (LRTAP Workshop / Canada. Federal LRTAP Liaison
 Office ; 3). November 19, 1984.  Workshop held at : Foret
 Montmorency, Quebec, 16-18 October 1984.  Available in CD-ROM as
 part of Acid rain: Canadian Government Documents prepared by the
 Acid Rain Project, Bailey/Howe Library, University of Vermont.
 (Z699.5.G6A3).
 
 Language:  English; English
 
 Descriptors: Snow; Acid pollution of rivers, lakes, etc
 
 
 443                                 NAL Call. No.: QH540.S8
 Soil acidification / N cycling.
 Breeman, N. van; Verstraten, J.M.
 New York, N.Y. : Elsevier Science Publishing Company Inc; 1991.
 Studies in environmental science (46): p. 289-352; 1991.  In the
 series analytic: Acidification research in The Netherlands. Final
 reort of the Dutch Priority Programme on Acidification / edited
 by G. J. Heij and T. Schneider. Includes references.
 
 Language:  English
 
 Descriptors: Netherlands; Air pollution; Acid deposition;
 Acidification; Soil acidity; Nitrogen cycle; Forest soils;
 Heathland
 
 
 444                                 NAL Call. No.: QH540.J6
 Soil chemistry and nutrition of North American spruce-fir stands:
 evidence for recent change.
 Joslin, J.D.; Kelly, J.M.; Van Miegroet, H.
 Madison, Wis. : American Society of Agronomy; 1992 Jan.
 Journal of environmental quality v. 21 (1): p. 12-30; 1992 Jan. 
 Literature review.  Includes references.
 
 Language:  English
 
 Descriptors: Tennessee; North Carolina; Canada; Northeastern
 states of U.S.A.; Picea rubens; Abies; Soil acidity;
 Acidification; Acid deposition; Calcium ions; Magnesium;
 Aluminum; Leaching; Soil solution; Mineral content; Nutrient
 content; Growth rings; Conifer needles; Nitrate; Nutrient uptake;
 Decline; Forest soils; Literature reviews; Exchangeable cations
 
 Abstract:  One set of hypotheses offered to explain the decline
 of red spruce (Picea rubens Sarg.) in eastern North America
 focuses on the effect of acidic deposition on soil chemistry
 changes that may affect nutrient availability and root function.
 Long-term soils data suggest that soil acidification has occurred
 in some spruce stands over the past 50 yr, with plant uptake and
 cation leaching both contributing to the loss of cations. Studies
 of tree ring chemistry also have indicated changes in Ca/Al and
 Mg/Al ratios in red spruce wood, suggesting increases in the
 ionic strength of soil solution. Irrigation studies using strong
 acid inputs have demonstrated accelerated displacement of base
 cations from upper horizons. Spruce-fir (Abies spp.) nutrient
 budgets indicate that current net Ca and Mg leaching loss rates
 are of the same order of magnitude as losses to whole tree
 harvest removals, spread out over a 50-yr rotation. For most
 cations, red spruce foliar nutrient levels decline with
 elevation, but it is difficult to assess the contribution of the
 elevational gradient in atmospheric deposition to this pattern.
 Compared to northeastern sites, spruce-fir soil solutions in the
 southern Appalachians have higher nitrate levels and higher Al
 concentrations, which at times approach the Al toxicity threshold
 for red spruce seedlings and frequently are at levels known to
 interfere with cation uptake. There is little evidence that
 either nutrient deficiencies or Al toxicity are primary causes of
 red spruce decline in the Northeast, though both may play a role
 in the Southeast. Major factors that could affect soil chemistry
 in spruce-fir stands in the future are (i) changes in S and N
 deposition, (ii) climate changes affecting soil organic matter
 decomposition and nutrient uptake, and (iii) tree mortality and
 physical disturbances to soils resulting in soil nitrate release.
 
 
 445                           NAL Call. No.: QL458.S38 1991
 Soil mites and acidification: a comparative study of four forest
 stands near Heidelberg., 1st ed. /.
 Alberti, G.; Kratzmann, M.; Blaszak, C.; Streit, H.; Blumroder,
 U. New York : Chapman & Hall; 1991.
 The acari: reproduction, development, and life history strategies
 / Reinhart Schuster and Paul W. Murphy. p. 491-493; 1991.
 
 Language:  English
 
 Descriptors: German federal republic; Soil arthropods;
 Cryptostigmata; Mesostigmata; Sampling; Indicator species;
 Liming; Soil acidity; Acid rain; Forest soils; Fagus sylvatica;
 Picea abies
 
 
 446                               NAL Call. No.: QH345.B564
 Soil nitrogen cycling and nitrous oxide flux in a Rocky Mountain
 Douglas-fir forest: effects of fertilization, irrigation and
 carbon addition. Matson, P.A.; Gower, S.T.; Volkmann, C.; Billow,
 C.; Grier, C.C. Dordrecht : Kluwer Academic Publishers; 1992.
 Biogeochemistry v. 18 (2): p. 101-117; 1992.  Includes
 references.
 
 Language:  English
 
 Descriptors: New Mexico; Pseudotsuga menziesii; Forest soils;
 Mineralization; Nitrogen cycle; Nitrogen fertilizers; Nitrous
 oxide; Soil fertility; Acid deposition; Air pollution;
 Irrigation; Mountain areas
 
 
 447                                NAL Call. No.: aSD11.A48
 Soil processing of air pollutants in the montane west.
 Clayton, J.L.
 Ogden, Utah : The Station; 1991 Aug.
 General technical report INT - U.S. Department of Agriculture,
 Forest Service, Intermountain Research Station (280): p. 157-160;
 1991 Aug.  Proceedings of a meeting on "Management and
 Productivity of Western Montane Forest Soils," April 10-12, 1990,
 Boise, Idaho.  Includes references.
 
 Language:  English
 
 Descriptors: Air pollution; Acid rain; Ozone; Heavy metals; Soil
 chemistry
 
 
 448                                 NAL Call. No.: 56.9 SO3
 Soil response to acid deposition, Wind River Mountains, Wyoming.
 I. Soil properties.
 Clayton, J.L.; Kennedy, D.A.; Nagel, T.
 Madison, Wis. : The Society; 1991 Sep.
 Soil Science Society of America journal v. 55 (5): p. 1427-1433;
 1991 Sep. Includes references.
 
 Language:  English
 
 Descriptors: Wyoming; Mountain soils; Acid deposition;
 Precipitation; Neutralization; Soil physical properties; Cation
 exchange; Cation exchange capacity; Sulfate; Adsorption;
 Buffering capacity; Base saturation; Exchange acidity;
 Exchangeable cations; Sorption isotherms; Horizons; Soil organic
 matter; Clay; Mineral content; Soil ph; Aluminum hydroxide
 
 Abstract:  In the western USA, alpine and subalpine ecosystems
 with shallow soils and large areas of rock outcrop may be
 particularly sensitive to damaging effects from acid
 precipitation, especially downwind of pollutant sources. This
 study was conducted to characterize the capacity of subalpine
 soils in the Wind River Mountains of Wyoming to neutralize acid
 deposition through cation exchange and SO4 adsorption, and to
 relate buffer capacity and SO4-adsorption isotherms to other soil
 properties. Although B and C horizons of one Dystric Cryochrept
 pedon have low exchange capacity (<6 cmolc kg-1) and low base
 saturation (<0.1), soils in general appear to have sufficient
 base-exchange capacity to neutralize anticipated acid-deposition
 rates. All other horizons sampled have base saturations in excess
 of 0.2. Most soils will adsorb SO4, although adsorption maxima
 are estimated at <1.5 mmol kg-1. High organic-matter content of A
 horizons in Humic Cryaquepts interferes with SO4 adsorption.
 Buffer capacities above pH 4 average 4.00 cmol kg-1 pH-1; below
 pH 4, soils are more strongly buffered, averaging 18.7 cmol kg-1
 pH-1. Base exchange is probably the dominant process controlling
 buffering above pH 4, and dissolution of Al (OH)3 controls
 buffering in the pH range 2.8 to 4.
 
 
 449                                 NAL Call. No.: 56.9 SO3
 Soil response to acid deposition, Wind River Mountains, Wyoming.
 II. Column leaching studies.
 Clayton, J.L.; Kennedy, D.A.; Nagel, T.
 Madison, Wis. : The Society; 1991 Sep.
 Soil Science Society of America journal v. 55 (5): p. 1433-1439;
 1991 Sep. Includes references.
 
 Language:  English
 
 Descriptors: Wyoming; Mountain soils; Inceptisols; Acid
 deposition; Precipitation; Neutralization; Cation exchange;
 Sulfate; Adsorption; Aluminum hydroxide; Dissolving; Leaching;
 Laboratory methods; Sulfuric acid; Acid treatment; Exchangeable
 sodium; Exchangeable cations; Cation exchange capacity; Base
 saturation; Exchange acidity; Buffering capacity; Soil ph;
 Leachates; Nitrates; Chlorine; Phosphates; Hydrogen ions;
 Weathering; Horizons
 
 Abstract:  Both base exchange and SO4 adsorption were important
 proton consuming processes in a laboratory leaching study of
 western, high-elevation Inceptisols. Two soils formed from
 granitic parent materials are present in the watershed: a highly
 organic Humic Cryaquept (HCA) located adjacent to streams and on
 lake margins, and an upland Dystric Cryochrept (DCO). Large,
 single-horizon soil columns were leached sequentially with
 deionized H2O (six Pore volumes [PV]) pH 4 H2SO4 (12-16 PVs), and
 pH 3 H2SO4 (11-16 PVs). These treatments were equivalent to 3 to
 6 yr of runoff and 50 to 100 times annual S-deposition rates.
 Proton exchange for base cations was very effective at buffering
 all horizons for the distilled H2O and pH 4 treatments. Following
 three to five PVs of pH 3 H2SO4, leachate pH dropped to 5 in the
 B horizon and 4.2 in the C horizon of the DCO. The Al(OH)3
 dissolution then stabilized the pH in those two experiments. The
 A horizon of the DCO and both HCA horizons had sufficient cation-
 exchange capacity (CEC) and base saturation to resist large pH
 depressions during the pH 3 treatment Cation exchange was the
 dominant neutralization process, accounting for 56 to 96% of
 total proton consumption. Sulfate adsorption was important in DCO
 horizons (20-35% of protons consumed), but not in the organic HCA
 soil. Postleaching analysis of soils indicated that exchangeable
 Na and Mg decreased to about one-half of original values, but Ca
 and K remained unchanged. Apparently, hydrolysis of abundant
 primary minerals can resupply these cations under the conditions
 of these experiments.
 

 450                                NAL Call. No.: S596.7.D4
 Solid phase control of aluminium activity in an artificial plant
 growth medium containing hydroxy-Al-montmorillonite.
 Xu, S.; Harsh, J.B.; Boyle, J.S.
 Dordrecht : Kluwer Academic Publishers; 1991.
 Developments in plant and soil sciences v. 45: p. 25-34; 1991. 
 In the series analytic: Plant-soil interactions at low pH /
 edited by R.J. Wright, V.C. Baligar and R.P. Murrmann.
 Proceedings of the second international symposium, June 24-29,
 1990, Beckley, West Virginia.  Includes references.
 
 Language:  English
 
 Descriptors: Acid soils; Aluminum hydroxide; Acid deposition;
 Montmorillonite; Toxicity
 
 Abstract:  Acid deposition is an environmental concern of global
 importance. One of the major deleterious effects of acid
 deposition on the lithosphere is aluminium mobilization in the
 soil environment and consequent aluminium toxicity to terrestrial
 vegetation and aquatic biota. We applied a sulfuric acid-
 containing nutrient solution to an artificial plant growth medium
 which contained Al(OH)3 precipitated on montmorillonite
 (interlayer-Al(OH)3). We determined pH and total concentrations
 of Al, Ca, Mg, K, Na, So4, Cl, NO3 and PO4 in leachate solutions
 and calculated the activity of Al. K. SO, and other ions with
 MINTEQA1, a computer speciation program. We found that Al
 activity was controlled by interlayer-AL(OH)3 when 2pH + pSO4 was
 less than 12.7, as long as this phase was not depleted. When 2pH
 + pSO4 was more than 12.7, the Al activity followed a line
 parallel to crystalline alunite, implying an unknown Al-
 controlling phase of the same AL/S/K/OH ratio. but more soluble
 than the crystalline alunite. We propose that this unknown phase
 is amorphous alunite. The re-examination of several sets of
 published data for naturally-acidic surface and ground waters,
 mine waste drainage water, and solutions from acidic soils and
 sediments revealed that the Al activity in those solutions fell
 between what would be expected for equilibrium with the proposed
 amorphous alunite (upper limit) and the crystalline alunite
 (lower limit). This implies that an alunite-like aluminium
 sulfate may have controlled Al activity in natural environments
 that were influenced by sulfate and proton input from either
 natural or manmade causes.
 
 
 451                                 NAL Call. No.: 56.9 SO3
 Solution chemistry in a red pine plantation thirty-nine years
 after potassium fertilization.
 Shepard, J.P.; Mitchell, M.J.
 Madison, Wis. : The Society; 1991 Sep.
 Soil Science Society of America journal v. 55 (5): p. 1446-1452;
 1991 Sep. Includes references.
 
 Language:  English
 
 Descriptors: New York; Pinus resinosa; Forest soils; Sandy soils;
 Leaching; Cations; Nutrients; Losses from soil systems; Acid
 deposition; Potassium fertilizers; Soil analysis; Precipitation;
 Throughfall; Stemflow; Soil solution; Hydrogen; Nitrate; Sulfate;
 Potassium; Calcium; Magnesium; Ammonium; Cycling; Hydrological
 factors; Weathering; Roots; Uptake; Cation exchange capacity
 
 Abstract:  Accelerated leaching of nutrient cations has been
 hypothesized as a potential effect of acidic deposition.
 Nutrient-cation deficiencies resulting from accelerated cation
 leaching have been proposed as a contributing factor in forest
 decline in Europe. The objective of this study was to intensively
 characterize the solution chemistry of a forest ecosystem in
 order to assess the status of its nutrient-cation losses.
 Precipitation throughfall, stemflow, and soil solution chemistry
 were monitored for 3 yr in a red pine (Pinus resinosa Ait.)
 plantation established in 1930 at the Pack Forest in the
 Adirondack Mountains of New York. Plots fertilized with 0, 59,
 and 118 kg K ha-1 in 1948 (designated C, L, and H, respectively)
 were studied to compare K leaching in systems of different K
 status and to assess the longevity of K-fertilization effects on
 solation chemistry. The concentration of K in throughfall and
 stemflow was higher in the two fertilized plots relative to the
 control although 39 yr had elapsed since K fertilization.
 Fertilized plots generally had higher K concentrations in soil
 solution in the 0- to 8- and 8-to 15-cm depths, whereas no
 differences were found among plots in the 15- to 45-cm depth.
 Input-output budgets indicated that much less H, NO3, and SO4
 were leached below the rooting zone (0-45 cm) than were received
 from atmospheric (including dry) deposition. Net losses were
 observed for K, Ca, and Mg of 64, 294 and 17 molc ha-1 yr-1 (15,
 3, and 1% relative to the exchangeable pools), respectively.
 These losses were not large compared with other forests in the
 USA.
 
 
 452                   NAL Call. No.: VtUTD885.5.S85S52 1982
 Some effects of acid rain SO4 on food quality for wild
 herbivores. Shaw, George G.
 Canada : s.n. :; 1981.
 14 leaves ; 28 cm.  Cover title.  October 1981.  Photocopy. 
 Available in CD-ROM as part of Acid rain: Canadian Government
 Documents prepared by the Acid Rain Project, Bailey/Howe Library,
 University of Vermont. (Z699.5.G6A3).
 
 Language:  English; English
 
 Descriptors: Acid precipitation (Meteorology); Acid rain; Plants,
 Effect of acid precipitation on; Sulphur
 
 
 453                               NAL Call. No.: TD420.A1E5
 Some remarks on global warming.
 Lindzen, R.S.
 Washington, D.C. : American Chemical Society; 1990 Apr.
 Environmental science & technology v. 24 (4): p. 424-426; 1990
 Apr.  Includes references.
 
 Language:  English
 
 Descriptors: Climatic change; Temperature; Air pollution;
 Pollutants; Atmosphere; Carbon dioxide; Methane; Nitrous oxide;
 Models
 
 
 454                               NAL Call. No.: TD883.1.S7
 The State of transboundary air pollution effects and control :
 report prepared within the framework of the Convention on Long-
 range Transboundary Air Pollution.
 United Nations, Economic Commission for Europe
 New York : United Nations,; 1989.
 vi, 104 p. : ill., maps ; 30 cm. (Air pollution studies, 5). 
 ECE/EB.AIR/22. "United Nations publication sales no.
 E.89.II.E.25"--T.p. verso. "02500P"--T.p. verso.  Includes
 bibliographical references (p. 71-79).
 
 Language:  English
 
 Descriptors: Air; Transboundary pollution; Acid deposition
 
 
 455                                 NAL Call. No.: QH540.S8
 Status of acidification research in Czechoslovakia and its
 relationship to politics and economics in Europe.
 Paces, T.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 443-448; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Czechoslovakia; Acidification; Acid deposition; Air
 pollution; Forest damage; Decline; Forest soils; Soil acidity;
 Research projects
 
 
 456                     NAL Call. No.: VtUTD883.15.S72 1987
 Status of Canadian/U.S. research in acidic deposition joint
 report to Bilateral Advisory and Consultative Group (BACG).. 
 Joint report to Bilateral Avisory and Consultative Group (BACG)
 National Acid Precipitation Assessment Program (U.S.),Canadian
 Federal-Provincial Research and Monitoring Coordinating
 Committee, Bilateral Advisory and Consultative Group (U.S. and
 Canada)
 Washington, D.C. : NAPAP ; Downsview, Ont. Canada : RMCC,; 1987.
 1 v. (various pagings) : ill., maps ; 28 cm.  Cover title. 
 February 25, 1987.  Available in CD-ROM as part of Acid rain:
 Canadian Government Documents prepared by the Acid Rain Project,
 Bailey/Howe Library, University of Vermont. (Z699.5.G6A3). 
 Includes bibliographical references.
 
 Language:  English
 
 Descriptors: Acid deposition
 
 
 457                       NAL Call. No.: TD196.A25C357 1981
 Still waters report of the Sub-committee on Acid Rain of the
 Standing Committee on Fisheries and Forestry.
 Canada. Parliament. House of Commons. Sub-committee on Acid Rain
 Ottawa : House of Commons Canada,; 1981.
 150 p. : col. ill. ; 27 cm.  Bibliography: p. 147-150.
 
 Language:  English; English
 
 Descriptors: Acid rain
 
 
 458                                NAL Call. No.: HC79.E5E5 A
 strategy for integrated monitoring.
 Hicks, B.B.; Brydges, T.G.
 New York, Springer-Verlag; 1994 Jan.
 Environmental management v. 18 (1): p. 1-12; 1994 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: Air pollution; Acid rain; Monitoring; Environmental
 impact; Forest damage
 
 
 459                                 NAL Call. No.: QH540.S8
 Stress combinations in forests.
 Innes, J.L.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 87-96; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Literature review.  Includes references.
 
 Language:  English
 
 Descriptors: Forests; Acidification; Acid deposition; Air
 pollution; Decline; Stress; Forest trees; Literature reviews
 
 
 460                                  NAL Call. No.: 450 N42
 Structural responses of needles of conifer seedlings to acid rain
 treatment. Back, J.; Huttunen, S>
 Cambridge : Cambridge University Press; 1992 Jan.
 The New phytologist v. 120 (1): p. 77-88; 1992 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: Finland; Picea abies; Pinus sylvestris; Seedlings;
 Conifer needles; Acid rain; Phytotoxicity; Injuries; Cell
 ultrastructure
 
 
 461                              NAL Call. No.: QH545.A1E52
 Studies on leaching from spruce twigs and beech leaves.
 Fritsche, U.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (2): p. 251-257; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Fagus; Picea; Acid rain; Leaching; Potassium;
 Magnesium; Manganese; Conifer needles; Leaves; Ph; Acidity;
 Branches
 
 
 462                                NAL Call. No.: QK475.T74
 Sulfate concentrations in Norway spruce needles in relation to
 atmospheric SO2: a comparison of trees from various forests in
 Germany with trees fumigated with SO2 in growth chambers.
 Kaiser, W.; Dittrich, A.; Heber, U.
 Victoria, B.C. : Heron Publishing; 1993 Jan.
 Tree physiology v. 12 (1): p. 1-13; 1993 Jan.  Includes
 references.
 
 Language:  English
 
 Descriptors: Germany; Picea abies; Conifer needles; Ozone; Air
 pollution; Sulfur dioxide; Nitrogen dioxide; Phytotoxicity;
 Forest damage
 
 Abstract:  Concentrations of inorganic sulfur, organic sulfur and
 water-soluble cations and anions were determined in needles of
 young Norway spruce trees (Picea abies L. (Karst.) that had been
 fumigated in growth chambers for weeks or months with different
 concentrations of SO2, SO2 plus ozone, or SO2 plus NO2.
 Measurements were also made on needles from older trees growing
 in forests in various regions of Germany with different mean
 annual atmospheric SO2 emissions. In the fumigated young trees,
 sulfate accumulation in the needles was a linear function of
 atmospheric SO2 concentration. Little or no sulfur was
 incorporated into the organic sulfur fraction. The mean
 accumulation rate of sulfate in needles of fumigated trees was
 about 0.4 nmol g(dw)-1 (nl l-1)-1 h-1 which is very similar to
 the estimated rate of uptake of atmospheric SO2 calculated from
 mean stomatal conductances (15 mmol m-2 s-1) and the external SO2
 concentration (the calculated rate of uptake was 0.37 nmol
 g(dw)-1 (nl l-1)-1 h-1). Concentrations of organic acids and
 other inorganic ions did not change much in response to SO2
 fumigation. In needles collected from trees in south and
 southeast Germany, large differences in sulfate concentrations
 were observed that probably reflect SO2 emissions in the
 different regions. The highest foliar sulfate concentrations, and
 the highest annual increase in sulfate concentration with needle
 age were observed in material collected from the heavily polluted
 Erzgebirge (up to 12 micromole g(dw)-1 year-1), followed by
 material from the Fichtelgebirge (up to 6 micromole g(dw)-1
 year-1). If it is assumed that this annual increase is the result
 of uptake of SO2 from the atmosphere, mean annual atmospheric SO2
 concentrations can be calculated. The calculated values were
 somewhat below the measured values in the Fichtelgebirge and in
 the heavily polluted Erzgebirge. Norway spruce trees can cope
 with high concentrations of atmospheric SO2, provided that they
 can neutralize the su
 
 
 463                                 NAL Call. No.: 56.8 SO3
 Sulfate retention and release in soils at Panola Mountain,
 Georgia. Shanley, J.B.
 Baltimore, Md. : Williams & Wilkins; 1992 Jun.
 Soil science v. 153 (6): p. 499-508; 1992 Jun.  Includes
 references.
 
 Language:  English
 
 Descriptors: Georgia; Ultisols; Soil types (genetic); Forest
 soils; Mountain soils; Watersheds; Sulfate; Nutrient retention;
 Spatial variation; Temporal variation; Adsorption; Desorption;
 Sorption isotherms; Soil organic matter; Iron oxides; Aluminum
 oxide; Water flow; Surface layers; Subsoil; Soil depth; Acid
 deposition; Acidification; Water pollution
 
 
 464                               NAL Call. No.: QH540.E288
 Sulfur chemistry, deposition, and cycling in forests. Analyses of
 selected sulfur cycles in polluted versus unpolluted
 environments. Mitchell, M.J.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 133-137;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution; Sulfur;
 Sulfur dioxide; Deposition; Acid deposition; Biogeochemistry;
 Cycling; Research projects; Forests; Forest soils
 

 465                               NAL Call. No.: QH540.E288
 Sulfur chemistry, deposition and cycling in forests. Atmospheric
 deposition and canopy interactions of sulfur.
 Lindberg, S.E.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 74-90;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution; Deposition;
 Sulfur; Sulfur dioxide; Sulfate; Sulfuric acid; Acid deposition;
 Canopy; Forest trees; Research projects; Forests
 
 
 466                               NAL Call. No.: QH540.E288
 Sulfur chemistry, deposition, and cycling in forests. Retention
 or loss of sulfur for IFS sites and evaluation of relative
 importance of processes. Mitchell, M.J.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 129-133;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution; Sulfur;
 Sulfate; Sulfur dioxide; Deposition; Acid deposition;
 Biogeochemistry; Research projects; Forests; Forest soils
 
 
 467                               NAL Call. No.: QH540.E288
 Sulfur chemistry, deposition, and cycling in forests. Sulfur
 distribution and cycling in forest ecosystems.
 Mitchell, M.J.; Harrison, R.B.; Fitzgerald, J.W.; Johnson, D.W.;
 Lindberg, S.E.; Zhang, Y.; Autry, A.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 90-129;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Air pollution; Sulfur;
 Sulfur dioxide; Deposition; Acid deposition; Cycling;
 Biogeochemistry; Research projects; Forests; Forest soils
 
 
 468                             NAL Call. No.: S544.3.W6W53
 Sulfur emissions: a soil "balance" perspective.
 Hensler, R.F.; Nimphius, N.
 Madison, Wis. : The Service; 1985.
 Publication - University of Wisconsin, Cooperative Extension
 Service (G3305-1): 4 p.; 1985.  In subseries: Acid Rain in
 Wisconsin.
 
 Language:  English
 
 Descriptors: Wisconsin; Sulfur; Sulfur dioxide; Acid rain; Soil
 acidity; Liming; Legislation
 
 
 469                              NAL Call. No.: S592.7.A1S6
 Sulfur processing in soil from high and low elevation forests in
 the southern Appalachians of the United States.
 Stanko-Golden, K.M.; Fitzgerald, J.W.; Swank, W.T.
 Exeter : Pergamon Press; 1992 Jul.
 Soil biology and biochemistry v. 24 (7): p. 693-702; 1992 Jul. 
 Includes references.
 
 Language:  English
 
 Descriptors: North Carolina; Inceptisols; Forest soils; Mixed
 forests; Sulfur; Transformation; Altitude; Watersheds;
 Comparisons; Environmental factors; Sulfate; Adsorption;
 Mineralization; Movement in soil; Assimilation; Soil organic
 matter; Biological activity in soil; Cellobiose; Humic acids;
 Soil water content; Soil ph; Soil temperature; Seasonal
 variation; Spatial variation; Acid deposition; Soil pollution
 
 Abstract:  Samples of A, E, and B horizons, collected from a high
 and a low elevation watershed, were analyzed for their capacity
 to adsorb sulfate, generate organic S and mobilize organic S.
 Sulfate adsorption potentials were significantly greater in soil
 from the high elevation watershed compared to that from the low
 elevation watershed. Only A horizon samples from the two
 watersheds were statistically different in their capacity to
 synthesize organic S, although when these samples were incubated
 at ambient soil temperature; no statistical difference in organic
 S formation was observed. Soil moisture, carbon, pH and S
 constituents were quantified and relationships between these
 variables and S processing potentials were determined. With high
 elevation samples, carbon content was positively correlated with
 organic S formation rates (r = 0.90, P less than or equal to
 0.005). Sulfonate S was the major S constituent of these soils;
 however, insoluble ester was the major S constituent in samples
 from the low elevation watershed. A 60-70% increase in organic S
 formation rates was observed after amendment with cellobiose with
 samples from all horizons of the low elevation watershed,
 indicating that soil from this watershed may be energy deficient
 in terms of organic S formation. Attempts were made to determine
 which S processes may be involved in ecosystem-level responses
 currently being observed with these watersheds.
 
 
 470                              NAL Call. No.: QH545.A1E52
 Sulphur and seasalt deposition as reflected by throughfall and
 runoff chemistry in forested catchments.
 Hultberg, H.; Grennfelt, P.
 Essex : Elsevier Applied Science; 1992.
 Environmental pollution v. 75 (2): p. 215-222; 1992.  Paper
 presented at the "Fourth International Conference on Acidic
 Deposition," September 16-21, 1990, Edinburgh, Scotland. 
 Includes references.
 
 Language:  English
 
 Descriptors: Sweden; Coniferous forests; Sulfate; Sodium;
 Chloride; Deposition; Air pollution; Sea water; Aerosols;
 Throughfall; Runoff; Runoff water; Watersheds; Sulfur; Acid
 deposition
 
 
 471                              NAL Call. No.: QH545.A1E52
 Sulphur status in some Swedish podzols as influenced by acidic
 deposition and extractable organic carbon.
 Gustafsson, J.P.; Jacks, G.
 Essex : Elsevier Applied Science; 1993.
 Environmental pollution v. 81 (2): p. 185-191; 1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: Sweden; Podzols; Forest soils; Acid deposition;
 Sulfate; Adsorption; Soil ph; Soil organic matter
 
 
 472                               NAL Call. No.: TD424.5.D3
 Summary of the National Acid Precipitation Assessment Program's
 Watershed Coordination Workshop June 5-6, 1986 Atlanta, Georgia.
 Dailey, Nancy S.
 Oak Ridge, Tenn. : The Laboratory,; 1987, reprinted 1987. viii,
 44 p. : map. (Environmental Sciences Division publication ;
 no.2857). Cover title.  April 1987.  Under contract no. DE-
 AC05-840R21400.".  DE87 009800.  ORNL/TM--10335.
 
 Language:  English
 
 Descriptors: Water; Watersheds
 
 
 473              NAL Call. No.: VtUQUARTO TD883.7.O5L8 1984
 Summary, source apportionment analysis of air and precipitation
 data to determine the contribution of the Sudbury smelters to
 atmospheric deposition in Ontario.
 Lusis, Maris A.
 Ontario, A.P.I.O.S. Coordination Office
 Toronto : A.P.I.O.S. Coordination Office,; 1984.
 34 leaves : ill., maps ; 30 cm. (Acidic precipitation in Ontario
 study / ; APIOS-019-84).  ARB-194-84-ARSP.  Cover title. 
 Available in CD-ROM as part of Acid rain: Canadian Government
 Documents prepared by the Acid Rain Project, Bailey/Howe Library,
 University of Vermont. (Z699.5.G6A3).  Includes bibliographical
 references.
 
 Language:  English
 
 Descriptors: Acid precipitation (Meteorology); Air quality;
 Smelting furnaces
 
 
 474             NAL Call. No.: VtUTD883.7.C2A23 1987 vol. 1
 Surface water acidification literature review.
 Telang, S. A.
 Alberta Government/Industry Acid Deposition Research
 Calgary, Alta. : Acid Deposition Research Program,; 1987. x, 123
 p..  February 1987.  Available in CD-ROM as part of Acid rain:
 Canadian Government Documents prepared by the Acid Rain Project,
 Bailey/Howe Library, University of Vermont. (Z699.5.G6A3). 
 Includes bibliographical references.
 
 Language:  English
 
 
 475                                 NAL Call. No.: QH540.S8
 The Swiss National Research Program "Forest Damage and Air
 Pollution" (NFP 14+).
 Haemmerli, F.; Krauchi, N.; Stark, M.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 449-459; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: Switzerland; Air pollution; Acid deposition;
 Acidification; Forest damage; Coniferous forests; Picea abies;
 Research projects; Ozone
 
 
 476                               NAL Call. No.: QH540.E288
 Synthesis and conclusions from epidemiological and mechanistic
 studies of red spruce decline.
 Johnson, A.H.; McLaughlin, S.B.; Adams, M.B.; Cook, E.R.;
 DeHayes, D.H.; Eagar, C.; Fernandez, I.J.; Johnson, D.W.; Kohut,
 R.J.; Mohnen, V.A. New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 96: p. 385-411;
 1992.  In the series analytic: Ecology and decline of red spruce
 in the Eastern United States / edited by C. Eagar and M.B. Adams. 
 Includes references.
 
 Language:  English
 
 Descriptors: Northeastern states of U.S.A.; Appalachian states of
 U.S.A.; Picea rubens; Coniferous forests; Decline; Forest
 ecology; Abies; Air pollution; Acid deposition
 
 
 477                               NAL Call. No.: QH540.E288
 Synthesis and modeling of the results of the Integrated Forest
 Study. Summary and synthesis of the Integrated Forest Study.
 Atmospheric deposition and its interactions with the forest
 canopy.
 Lindberg, S.E.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 571-577;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: Norway; Washington; Ontario; Southeastern states of
 U.S.A.; Northeastern states of U.S.A.; Forest trees; Canopy; Air
 pollution; Acid deposition; Cations; Leaching; Research projects;
 Forests; Forest soils
 
 
 478                               NAL Call. No.: QH540.E288
 Synthesis and modeling of the results of the Integrated Forest
 Study. The nutrient cycling model (NuCm): Overview and
 application.
 Liu, S.; Munson, R.; Johnson, D.W.; Gherini, S.; Summers, K.;
 Hudson, R.; Wilkinson, K.; Pitelka, L.F.
 New York, N.Y. : Springer-Verlag; 1992.
 Ecological studies : analysis and synthesis v. 91: p. 583-606;
 1992.  In the series analytic: Atmospheric deposition and forest
 nutrient cycling: a synthesis of the Integrated Forest Study /
 edited by D.W. Johnson and S.E. Lindberg.
 
 Language:  English
 
 Descriptors: New York; Tennessee; North Carolina; Air pollution;
 Acid deposition; Cycling; Acidification; Nutrient availability;
 Forest soils; Research projects; Simulation models; Computer
 simulation
 
 
 479                                 NAL Call. No.: SD13.C35
 Temporal and spatial variation of oak growth--climate
 relationships along a pollution gradient in the midwestern United
 States.
 LeBlanc, D.C.
 Ottawa, Ont. : National Research Council of Canada; 1993 May.
 Canadian journal of forest research; Revue canadienne de
 recherche forestiere v. 23 (5): p. 772-782; 1993 May.  Includes
 references.
 
 Language:  English
 
 Descriptors: Arkansas; Illinois; Indiana; Ohio; Quercus velutina;
 Quercus alba; Growth; Temporal variation; Climatic factors; Acid
 deposition; Stress response
 
 Abstract:  The Kalman filter procedure was used to evaluate
 temporal variation in associations between physiologically based
 climate indices and radial growth of black oak (Quercus velutina
 Lam.) and white oak (Quercus alba L.) at seven similar sites
 along the Ohio River corridor acidic-deposition gradient.
 Physiological response variables were derived by a model that
 used daily weather data to estimate effects of climate on growing
 season net photosynthesis and woody respiration. Correlations
 between oak radial growth indices and physiological response
 variables deteriorated over the period of record (1900-1987) at
 all seven study sites; there was no spatial association between
 the deterioration and the acidic-deposition gradient. This
 deterioration of growth-climate correlations was temporally
 associated with decreased growing season temperature at all seven
 sites; no consistent temporal trend was found for growing season
 precipitation. The effects of decreasing temperature on modeled
 physiological response variables included increased net
 photosynthesis and decreased woody respiration. These results
 suggest that recent assessments of relationships between acidic
 deposition and forest condition in the Ohio River region have
 been done during a time period of relaxed climatic stress and may
 have underestimated pollution - climate stress interactions.
 

 480                                 NAL Call. No.: SD13.C35
 Temporal change (1988-1990) in sugar maple health, and factors
 associated with crown condition.
 Allen, D.C.; Barnett, C.J.; Millers, I.; Lachance, D.
 Ottawa, Ont. : National Research Council of Canada; 1992 Nov.
 Canadian journal of forest research; Revue canadienne de
 recherche forestiere v. 22 (11): p. 1776-1784; 1992 Nov.  Paper
 presented at the conference on "Emerging issues in northern
 hardwood management: air pollution, climate change and
 biodiversity," held May 21-23, 1991, Mission Point Resort,
 Mackinac Island, Michigan.  Includes references.
 
 Language:  English
 
 Descriptors: U.S.A.; Canada; Acer saccharum; Crown; Hardwoods;
 Dieback; Pollutants; Temporal variation; International
 cooperation; Assessment
 
 Abstract:  Change in the health of sugar maple (Acer saccharum
 Marsh.) and associated northern hardwoods was evaluated for 3
 years (1988-1990) in seven states and four provinces. Generally,
 levels of crown dieback and crown transparency (a measure of
 foliage density) in 165 stands decreased during this period. In
 1990, less than 7% of all dominant-codominant sugar maples (n =
 7317) exhibited crown dieback greater than or equal to 20%.
 Significantly (p = 0.05) fewer of these maples were classified as
 having high crown transparency (greater than or equal to 30%) in
 1990 compared with 1988. Crowns of maples that received moderate
 (31-60%) or heavy (>60%) pear thrips (Taeniothrips inconsequens
 (Uzel)) damage for 1 year recovered the following year. Crowns of
 maples exposed to severe drought in 1988 (Wisconsin) continued to
 show the effects (high transparency) of this stress in 1990. A
 majority (69-71%) of the dominant-codominant sugar maples with
 high (greater than or equal to 20%) crown dieback had bole and
 (or) root damage. Of those maples with crown dieback greater than
 or equal to 50%, 86% had bole and (or) root damage. The condition
 of sugar maple in operating sugar bushes and undisturbed stands
 was similar. The condition of sugar maple crowns was similar in
 locations presumably exposed to low, medium, and high levels of
 sulfate deposition.
 
 
 481                                NAL Call. No.: 292.8 J82
 Testing a catchment acidification model: 'MAGIC' applied to a 5
 year lysimeter experiment.
 Skeffington, R.A.; Roberts, D.J.
 Amsterdam : Elsevier Scientific Publishers, B.V.; 1993 Apr.
 Journal of hydrology v. 144 (1/4): p. 247-272; 1993 Apr. 
 Includes references.
 
 Language:  English
 
 Descriptors: Uk; Watersheds; Acid deposition; Soil ph; Horizons;
 Soil solution; Nitrate; Sulfate; Hydrogen ions; Aluminum;
 Calcium; Magnesium; Base saturation; Weathering; Simulation
 models; Prediction
 
 Abstract:  Soil leachate data from a long-term lysimeter (soil
 column) experiment were compared with the predictions of the
 MAGIC acidification model in an attempt to validate the latter.
 Acid production from nitrification was a necessary model input.
 In the surface horizon, the model gave a good prediction of base
 cation concentrations and their time trends, provided the
 weathering rate was set at about 250 mEq.m-2 year-1. However, the
 predicted pH and Al were far too high: this probably shows that
 the Al(OH)3 control used in the model was inappropriate. At the
 base of the profile, pH and Al were modelled more satisfactorily
 but fluctuations in anion and base cation concentrations were out
 of phase from those predicted. This was because the model assumes
 instantaneous reaction throughout the soil profile whereas in
 reality downward transport takes a significant time. As the
 Al(OH)3 solubility constant in the model was not temperature-
 dependent, MAGIC failed to predict the small annual fluctuation
 in Al concentration in the lower horizons. Because of the
 incorrect Al and H+ modelling in the surface horizons, and
 possibly because vertical variation in selectivity coefficients
 was not accounted for, the model predicted a much larger decrease
 in soil base saturation than was actually observed. Soil
 processes in the MAGIC model appear to have been well chosen and
 modelled responses could all be observed in the experimental
 data. The model gave a good qualitative prediction of the
 experimental data and could be adjusted to give a reasonable
 quantitative prediction for many variables. In the surface
 horizon, however, and by extension in other soils with a
 dominating organic matter component, the Al(OH)3 control used was
 inappropriate and could lead to misleading results.
 
 
 482                               NAL Call. No.: QH345.B564
 Throughfall studies of deposition to forest edges and gaps in
 montane ecosystems.
 Lindberg, S.E.; Owens, J.G.
 Dordrecht : Kluwer Academic Publishers; 1992-1993.
 Biogeochemistry v. 19 (3): p. 173-194; 1992-1993.  Includes
 references.
 
 Language:  English
 
 Descriptors: North Carolina; Cabt; Forest ecology; Forest
 borders; Ecosystems; Indicator plants; Mountain areas; National
 parks; Pollution; Acid deposition; Nitrates; Sulfates;
 Throughfall
 
 
 483                               NAL Call. No.: TD420.A1E5
 Trading sulfur dioxide allowances.
 Goldburg, C.B.; Lave, L.B.
 Washington, D.C. : American Chemical Society; 1992 Nov.
 Environmental science & technology v. 26 (11): p. 2076-2078; 1992
 Nov.
 
 Language:  English
 
 Descriptors: U.S.A.; Air pollution; Acid rain; Pollutants; Sulfur
 dioxide; Emission; Incentives
 
 
 484                                NAL Call. No.: TD172.E48
 Transboundary pollution: acid rain and United States-Canadian
 relations. Glode, M.L.; Glode, B.N.
 Newton Centre, Mass. : Boston College Law School; 1993.
 Boston College environmental affairs law review v. 20 (1): p.
 1-35; 1993. Includes references.
 
 Language:  English
 
 Descriptors: U.S.A.; Canada; Acid rain; Air pollution;
 Regulations; Environmental legislation
 
 
 485                                 NAL Call. No.: QH540.S8
 The transplantation of four species of Lobaria lichens to
 demonstrate a field acid rain effect.
 Farmer, A.M.; Bates, J.W.; Bell, J.N.B.
 Amsterdam : Elsevier Science Publishing B.V.; 1992.
 Studies in environmental science (50): p. 295-300; 1992.  In the
 series analytic: Acidification research: Evaluation and policy
 applications / edited by T. Schneider. Proceedings of an
 International Conference, October 14-18, 1991, Maastricht, The
 Netherlands.  Includes references.
 
 Language:  English
 
 Descriptors: West scotland; Northern ireland; Lichens;
 Acidification; Air pollution; Phytotoxicity; Acid rain
 
 
 486                           NAL Call. No.: TD174.R39 1990
 Trashing the planet how science can help us deal with acid rain,
 depletion of the ozone, and nuclear waste (among other things).
 Ray, Dixy Lee; Guzzo, Louis R.,
 Washington, D.C. : Regnery Gateway ; Lanham, MD : Distributed by
 National Book Network,; 1990.
 xii, 206 p. ; 23 cm.  Includes bibliographical references (p.
 173-198) and index.
 
 Language:  English
 
 Descriptors: Pollution; Environmental protection; Human ecology;
 Mass media and the environment; Communication in science
 
 
 487                          NAL Call. No.: 100 Io9Sp no.39
 Tree survival and growth on Iowa coal-spoil materials.
 Lorio, Peter L.; Gatherum, G. E._1923-; Shrader, W. D.
 Ames, Iowa : Agricultural Experiment Station, Iowa State
 College,; 1964. 12 p. : ill. ; 28 cm. (Special report (Iowa State
 College. Agricultural Experiment Station) ; no. 39.).  Cover
 title.  Bibliography: p. 11.
 
 Language:  English; English
 
 Descriptors: Reforestation; Plants, Effect of acid deposition on;
 Spoil banks
 
 
 488                                NAL Call. No.: QH301.B52
 Tropical forests and trace gases: potential interactions between
 tropical biology and the atmospheric sciences.
 Vitousek, P.M.; Matson, P.A.
 New Orleans, La. : Association for Tropical Biology; 1992 Jun.
 Biotropica v. 24 (2,pt.B): p. 233-239; 1992 Jun.  Literature
 review.  Includes references.
 
 Language:  English
 
 Descriptors: Tropical forests; Ecosystems; Atmosphere; Human
 activity; Nitrous oxide; Ozone; Soil fertility; Air pollution;
 Literature reviews
 
 
 489                             NAL Call. No.: 100 M28S (2)
 Tropical forests-- slowing the destruction.
 Jagels, R.
 Orono, Me. : The Station; 1990 Jul.
 Miscellaneous publication - Maine Agricultural Experiment Station
 (710): 10 p.; 1990 Jul.  Includes references.
 
 Language:  English
 
 Descriptors: Tropical forests; Deforestation; Air pollution; Acid
 rain; Land clearance; Protection of forests
 
 
 490                        NAL Call. No.: TD427.A27S55 1990
 Uncertainty in North American wet deposition isopleth maps effect
 of site selection and valid sample criteria.
 Simpson, J. C.; Olsen, A. R.
 Atmospheric Research and Exposure Assessment Laboratory
 (U.S.),United States, Dept. of Energy, Pacific Northwest
 Laboratory
 Research Triangle Park, NC : U.S. Environmental Protection
 Agency, Atmospheric Research and Exposure Assessment Laboratory,;
 1990; EP 1.23/5:600/4-90/005. 1 v. (various pagings) : ill., maps
 ; 28 cm.  Pacific Northwest Laboratory. Shipping list no.:
 90-619-P.  August 1990.  EPA/600/4-90/005.  Includes
 bibliographical references (p. 7.1 - 7.2).
 
 Language:  English; English
 
 Descriptors: Acid deposition; Acid rain
 
 
 491                     NAL Call. No.: QK494.5.P66T48  1991
 Untersuchungen zur Aufnahme und Metabolisierung atmospharischen
 Stickstoffdioxyds in oberindischen Organen der Fichte (Picea
 abies (L.) Karst.)  [Studies on the uptake and metabolish of
 atmospheric nitrogen dioxide in above ground organs of spruce
 (Picea abies (L.) Karst.)]., 1. Aufl.. Thoene, Barbara
 Frankfurt/M : Wissenschafts-Verlag W. Maraun,; 1991.
 viii, 174 p. : ill. ; 21 cm. (IFU Schriftenreihe ; Bd. 2.). 
 Originally presented as the author's thesis (doctoral)--Techn.
 Univ. Munchen, 1991. Includes bibliographical references (p.
 159-174).
 
 Language:  German
 
 Descriptors: Norway spruce; Atmospheric nitrogen dioxide
 
 
 492                                 NAL Call. No.: TD172.J6
 Uptake of cadmium from water by beech leaves.
 Salim, R.; Al-Subu, M.M.; Sahrhage, E.
 New York, N.Y. : Marcel Dekker; 1992 Apr.
 Journal of environmental science and health : Part A :
 Environmental science and engineering v. 27 (3): p. 603-627; 1992
 Apr.  Includes references.
 
 Language:  English
 
 Descriptors: German federal republic; Fagus; Foliar uptake;
 Cadmium; Water; Uptake mechanisms; Pollutants; Toxic substances;
 Health hazards; Industrial wastes; Acid rain
 
 
 493                              NAL Call. No.: HD9540.A1J4
 U.S. energy and the impact of acid rain legislation.
 Weisel, J.H.; Kelly, J.E.
 Boulder, Colo. : International Research Center for Energy and
 Economic Development; 1991.
 The Journal of energy and development v. 17 (1): p. 99-120; 1991. 
 Includes references.
 
 Language:  English
 
 Descriptors: U.S.A.; Acid rain; Environmental legislation; Public
 health; Coal; Cost benefit analysis; Sulfur dioxide
 
 
 494                         NAL Call. No.: TD195.5.U55 1991
 The U.S. National Acid Precipitation Assessment Program 1990
 integrated assessment report..  National acid precipitation
 assessment program National Acid Precipitation Assessment Program
 (U.S.), Office of the Director Washington, D.C. : National Acid
 Precipitation Assessment Program, Office of the Director,; 1991;
 Y3.In 8/31 : 2 In 8.
 xxii, 520 p. : ill. (some col.), maps (some col.) ; 28 cm. 
 November 1991.
 
 Language:  English
 
 Descriptors: Acid deposition; Acid precipitation (Meteorology)
 

 495                                 NAL Call. No.: 56.8 So3
 Use of edaphic variables to control experimental error: a case
 study on blocking and use of covariance.
 Spruill, S.E.; Richter, D.; Gumpertz, M.L.; Rawlings, J.O.;
 Allen, H.L. Baltimore : Williams & Wilkins Co., 1916-; 1993 Sep.
 Soil science v. 156 (3): p. 156-162; 1993 Sep.  Includes
 references.
 
 Language:  English
 
 Descriptors: North Carolina; Cabt; Pinus taeda; Seedlings; Ozone;
 Acid rain; Experimental design; Field experimentation; Errors;
 Edaphic factors; Covariance; Analysis of covariance
 
 
 496                                  NAL Call. No.: 450 N42
 The use of ion-selective microelectrodes for measuring calcium
 and hydrogen ion transfer between foliar surfaces and simulated
 rain solutions. Lauver, T.L.; McCune, D.C.; Shaff, J.E.; Kochian,
 L.V.
 Cambridge : Cambridge University Press; 1992 Jun.
 The New phytologist v. 121 (2): p. 179-185; 1992 Jun.  Includes
 references.
 
 Language:  English
 
 Descriptors: Pachysandra terminalis; Spinacia oleracea; Calcium;
 Hydrogen; Ion exchange; Leaves; Acid rain; Phytotoxicity;
 Cuticle; Permeability; Electrodes; Laboratory equipment
 
 
 497                               NAL Call. No.: 99.8 F7632
 Use of TREGRO to simulate the effects of ozone on the growth of
 red spruce seedlings.
 Laurence, J.A.; Kohut, R.J.; Amundson, R.G.
 Bethesda, Md. : Society of American Foresters; 1993 Aug.
 Forest science v. 39 (3): p. 453-464; 1993 Aug.  Includes
 references.
 
 Language:  English
 
 Descriptors: Picea rubens; Seedling growth; Ozone; Acid rain;
 Simulation models
 
 Abstract:  TREGRO, a model developed to simulate the growth of
 sapling red spruce (Picea rubens Sarg.), was parameterized to
 grow 2- to 3-yr-old seedlings. Results of the simulation compared
 favorably to actual growth of seedlings used in a field study of
 the effects of ozone and acidic precipitation on tree physiology
 and development. Furthermore, a 10-yr simulation produced a
 modeled tree that corresponded to saplings used in another field
 experiment. Additional simulations were conducted to compare
 predicted effects of ozone on seedling growth to those measured
 in controlled experiments. Based on the performance of the model,
 we believe TREGRO can be used effectively to simulate both
 seedling and sapling red spruce growth, and the potential effects
 of ozone on the development of the trees.
 
 
 498                              NAL Call. No.: 99.9 F7662J
 Utility pole performance: effect of service life on surface
 hardness and preservative retention of CCA-treated pine poles.
 Ruddick, J.N.R.; Jonsson, E.B.; Nilsson, E.M.A.
 Madison, Wis. : Forest Products Research Society; 1991 Jun.
 Forest products journal v. 41 (6): p. 21-27; 1991 Jun.  Includes
 references.
 
 Language:  English
 
 Descriptors: Ontario; Pinus resinosa; Pinus banksiana; Poles;
 Copper chrome arsenate; Retention; Hardness; Moisture content;
 Acid rain
 
 Abstract:  Red pine and jack pine poles treated with chromated
 copper arsenate (CCA) and in service for up to 43 years did not
 show any change in surface hardness from that found in newly
 installed poles. Enhancement of the surface hardness of poles
 caused by CCA treatment will remain for the duration of their
 service life. Leaching of preservative from the aboveground
 portion of the poles was very small, approximately 0.5 kg/m3 for
 copper and 2 kg/m3 for arsenic in jack pine and not detectable in
 red pine. The composition and retention of CCA-type A in treated
 jack pine poles that had been in service 30 to 40 years was
 compared with literature data for conventional leached material.
 The results revealed no unusual losses, even though the region of
 Ontario would be affected by acid rain. Surface hardness of
 utility poles is an important parameter that affects the
 acceptability of the pole as being safe to climb during line
 maintenance. The current investigation was designed to evaluate
 how the surface hardness of preservative-treated utility poles is
 affected by the type of preservative and the age of the poles.
 CCA-treated red pine and jack pine poles that had been in place
 for up to 43 years were located in Bell Canada's system in
 Ontario, and screened for use in the project. A survey of poles
 in three locations was made, and data were collected on surface
 hardness using a 6-Joule Pilodyn. Other information recorded
 included the wood species, information from the brand, and the
 moisture content (using a resistance-type moisture meter). Core
 samples were removed from each pole to determine wood density and
 preservative retention.
 
 
 499                    NAL Call. No.: GB701.W375 no.91-4143
 Variability in wet atmospheric deposition data determined with
 collocated samplers.
 Nilles, Mark A.
 Geological Survey (U.S.)
 Denver, Colo. : U.S. Geological Survey : Books and Open-File
 Reports Section [distributor],; 1992.
 iv, 30 p. : ill. ; 28 cm. (Water-resources investigations report
 ; 91-4143). Includes bibliographical references (p. 16-17).
 
 Language:  English
 
 Descriptors: Acid rain
 
 
 500                                 NAL Call. No.: 56.9 SO3
 Variation in forest soil properties along a Great Lakes air
 pollution gradient.
 MacDonald, N.W.; Burton, A.J.; Jurgensen, M.F.; McLaughlin, J.W.;
 Mroz, G.D. Madison, Wis. : The Society; 1991 Nov.
 Soil Science Society of America journal v. 55 (6): p. 1709-1715;
 1991 Nov. Includes references.
 
 Language:  English
 
 Descriptors: Minnesota; Michigan; Forest soils; Spodosols; Acer
 saccharum; Acer rubrum; Forest ecology; Pollutants; Air
 pollution; Gradients; Acid deposition; Sulfate; Nitrate; Hydrogen
 ions; Ammonium; Acidification; Sandy soils; Sandy loam soils;
 Udic regimes; Moraine soils; Polluted soils; Climatic factors;
 Precipitation; Sulfur; Nitrogen; Adsorption; Calcium; Magnesium;
 Potassium; Aluminum; Silt; Clay; Soil organic matter; Nutrient
 content; Physicochemical properties; Nutrient availability;
 Cycling; Movement in soil
 
 Abstract:  A pronounced air-pollution gradient exists across the
 Great lakes region, with deposition of SO4, NO3, and H increasing
 from northern Minnesota to southern lower Michigan. Soils at six
 northern hardwood sites along this gradient were examined to
 characterize soil physical and chemical properties relevant to
 retention of pollutants, and to investigate the impact of
 differences in pollutant loading on soil chemical properties.
 Three randomly located pedons at each site were described and
 sampled. Soils at all sites were classified in closely related
 subgroups within the Spodosol order (Entic Haplorthods, Typic
 Haplorthods, Alfic Haplorthods, and Alfic Fragiorthods). Cation-
 exchange capacity and SO4-adsorption potential tended to decrease
 from north to south along the gradient. Largely related to treads
 in inherent soil properties. In upper B horizons, additional
 significant positive deposition effects on water-soluble and
 adsorbed SO4, and negative deposition effects on SO4-adsorbing
 potential were consistent with hypothesized pollutant impacts on
 soil SO4 pools and soil capacities to retain additional
 atmospheric SO4. Exchangeable nutrient-cation contents (Ca, Mg,
 K) in upper B horizons tended to decrease as pollutant deposition
 increased. Regression analyses suggested that observed trends in
 nutrient-cation contents were primarily related to inherent soil
 properties such as clay, organic matter, and cation-exchange
 capacity. Differential effects of pollutant deposition and
 natural acidification processes on nutrient-cation reserves could
 not be separated at this time.
 
 
 501                               NAL Call. No.: TD420.A1E5
 Waldsterben: forest decline in West Germany.
 Ulrich, B.
 Washington, D.C. : American Chemical Society; 1990 Apr.
 Environmental science & technology v. 24 (4): p. 436-441; 1990
 Apr.  Includes references.
 
 Language:  English
 
 Descriptors: German federal republic; Forest damage; Air
 pollution; Adverse effects; Soil acidity; Deposition; Chemical
 precipitation
 
 
 502                               NAL Call. No.: 292.8 W295
 Water flow paths and the spatial distribution of soils and
 exchangeable cations in an acid rain-impacted and a pristine
 catchment in Norway. Mulder, J.; Pijpers, M.; Christophersen, N.
 Washington, D.C. : American Geophysical Union; 1991 Nov.
 Water resources research v. 27 (11): p. 2919-2928; 1991 Nov. 
 Includes references.
 
 Language:  English
 
 Descriptors: Norway; Soil water movement; Streams; Surface water;
 Water flow; Soil solution; Soil types; B horizons; Aluminum;
 Exchangeable cations; Soil chemistry; Catchment hydrology; Acid
 rain; Acidification; Spatial distribution
 
 Abstract:  The dynamic pattern of soil water transport is a major
 factor in determining the chemistry of streamwater. In the
 acidified Birkenes catchment (southernmost Norway) the
 streamwater chemistry is, to a first approximation, explained by
 mixing solutions from the forest floor, the B horizon and the
 deep peat, in various proportions depending on the hydrological
 conditions. Paradoxically, a direct physical contact between the
 forest floor and the B horizon on the one hand and the stream on
 the other is lacking, as the stream banks largely consist of
 peats. To investigate this paradox, soils and their levels of
 exchangeable cations were studied in a 100 m X 100 m grid.
 Results indicate that the exchange sites of the surface peat
 along the stream are significantly enriched in Al, probably due
 to return flow of Al-rich B horizon water. This view is supported
 by the similarity of the solution chemistry in surface peats and
 B horizons. Exchangeable base cations dominate in the forest
 floor upslope. Forest floor solutions, an important component of
 streamwater during intensive storms, are depleted in Al and may
 bypass the Al-enriched surface peats via ephemeral flow channels.
 A parallel study in a pristine catchment in mid-Norway shows a
 similar accumulation of Al in return flow areas. This indicates
 that acid deposition is not a prerequisite for elevated levels of
 exchangeable Al in the surface organic layers of return flow
 areas.
 
 
 503                                  NAL Call. No.: 472 N42
 Will Britain fail the acid test?.
 Pearce, F.
 London, Eng. : New Science Publications; 1992 Dec05.
 New scientist v. 136 (1850): p. 11; 1992 Dec05.
 
 Language:  English
 
 Descriptors: England; Acid soils; Acid rain; Soil surveys
 
 
 504                             NAL Call. No.: S544.3.W6W53
 Wisconsin fisheries and acid rain.
 Swenson, W.; May, T.
 Madison, Wis. : The Service; 1987.
 Publication - University of Wisconsin, Cooperative Extension
 Service (G3305-4): 8 p.; 1987.
 
 Language:  English
 
 Descriptors: Wisconsin; Acid rain; Lakes; Acidification;
 Freshwater fishes
 
 
 505                             NAL Call. No.: S544.3.W6W53
 Wisconsin's sensitivity to acid rain: the role of geologic
 materials and soils.
 Madison, F.W.; Dickas, A.B.; May, T.
 Madison, Wis. : The Service; 1987.
 Publication - University of Wisconsin, Cooperative Extension
 Service (G3305-3): 6 p.; 1987.
 
 Language:  English
 
 Descriptors: Wisconsin; Acid rain; Geology; Glacial deposits;
 Soil formation; Soil texture; Cation exchange capacity;
 Saturation percentage; Acidification; Buffering capacity
 
 
 506                           NAL Call. No.: QK751.E82 1986
 Yields of field-grown soybeans exposed to simulated acidic
 rainfalls. Evans, Lance S.; Lewin, Keith F.; Hendrey, George R.
 United States, Dept. of Energy, Brookhaven National Laboratory,
 Terrestrial and Aquatic Ecology Division
 Upton, N.Y. : Terrestrial and Aquatic Ecology Division, Dept. of
 Applied Science, Brookhaven National Laboratory ; Springfield, VA
 : Available from National Technical Information Service,; 1986.
 vi, 46 p. : ill. ; 28 cm. (BNL (Series) ; 52009.).  Environmental
 Control Technology and Earth Sciences TIC-4500.  "June 1986"--
 Cover.  Project Officer: Jeffrey J. Lee, Ecological Effects
 Division...U.S. Environmental Protection Agency.  Interagency
 agreement DW89-930196-01.  Under contract no. DE-AC02-76CH00016.
 
 Language:  English
 
 Descriptors: Soybean
 
 
 507                        NAL Call. No.: TD196.A25Z87 1984
 Zure regen oorzaken, effecten en beleid : proceedings van het
 symposium gehouden op 17 en 18 november 1983, Provinciehuis 's
 Hetogenbosch  [Acid rain].
 Adema, E. A.; Ham, J. van
 Wageningen : Pudoc,; 1984.
 250 p. : ill. ; 24 cm.  Text mainly in Dutch ; some contributions
 in English or German.  Includes bibliographical references and
 indexes.
 
 Language:  Dutch; English; German
 
 Descriptors: Acid rain
 

Author Index

 Aalst, R.M. van  79
 Aamlid, D.  390
 Abas, M.R.  239
 Abrabamsen, G.  409, 410
 Abrahamsen, G.  119, 120, 215, 216, 217, 384, 414, 415, 416
 Abrahamsen, Gunnar  302
 Achi, C.A.  169
 Adams, M.B.  66, 220, 476
 Adema, E. A.  507
 Ahern, A.  363
 Ahmad, K.J.  347
 Ahmad-Shah, A.  239
 Al-Subu, M.M.  492
 Albert Government/Industry Acid Deposition Research Program,
 Kananaskis Centre for Environmental Research  27
 Alberta Government/Industry Acid Deposition Research  474
 Alberta, Alberta Environment,Research Secretariat  117
 Alberta, Pollution Control Division, Alberta, Alberta Environment 
 60
 Alberti, G.  445
 Alcamo, Joseph  380
 Allen, D.C.  480
 Allen, H.L.  269, 495
 Alm, L.R.  47
 Amann, Markus  144
 American Petroleum Institute, Health and Environmental Sciences
 Dept, A.S.L. & Associates  98
 Amundson, R.G.  354, 497
 Andersen, C.P.  274
 Anderson, R.L.  366
 Andersson, I.  334
 Andreae, H.  90
 Aneja, V.P.  101
 Angle, R. P.  51
 Ankumah, R.  420
 Anoruo, A.O.  183
 Anttila, Pia  37
 Anttonen, S.  105
 Appleby, P.G.  346
 Arthur, M.A.  123
 Ashenden, T.W.  136, 163, 174, 226, 240
 Association quebecoise des techniques de l'eau, Quebec
 (Province), Services de protection de lenvironnement, Institut
 national de la recherche scientifique (Quebec), Eau  296
 Atherton, C.S.  336, 337
 Atmospheric Research and Exposure Assessment Laboratory (U.S.),
 United States, Dept. of Energy, Pacific Northwest Laboratory  490
 Atmospheric Sciences Research Laboratory  421
 Autry, A.  423, 467
 Awang, M.N.  239
 Back, J.  460
 Baddeley, J.A.  386
 Bagby, Jane W.  211
 Bakema, A.H.  202, 206, 425
 Banwart, W.L.  233, 314, 353, 438
 Baranova, T.A.  148
 Barker, K.R.  289
 Barker, M.G.  163, 240
 Barnett, C.J.  480
 Bassman, J.H.  326
 Basta, N.T.  152
 Bates, J.W.  145, 485
 Battarbee, R.W.  346
 Batterman, S.  343
 Battles, J.J.  389
 Baur, S.  271
 Bayley, S.E.  186Beaty, K.G.  186
 Beemsterboer, B.  234
 Bell, J.N.B.  485
 Bell, N.B.  145
 Bell, S.A.  226
 Benedict, Harris Miller,  98
 Bennett, Edward B.  165
 Berendse, F.  206
 Berg, W.A.  378
 Berlyn, G.P.  183
 Berrang, P.  366
 Bertills, U.  42
 Beswick, K.  308
 Bevington, S.R.  89
 Bhatti, N.  18
 Billett, M.F.  67
 Billow, C.  446
 Binkley, D.  371, 387, 432
 BioSciences Information Service of Biological Abstracts  291
 Bjor, K.  215, 217, 406
 Black, R.A.  326
 Black, R.G.  439
 Black, V.  320
 Blair, Roger  398
 Blanchar, R.W.  185
 Blank, R.W.  273
 Blaszak, C.  445
 Bleuten, W.  309
 Blum, W.E.H.  184
 Blumroder, U.  445
 Bobbink, R.  73
 Boer, K.F. de  208, 425
 Bogner, J.C.  200
 Bohm, M.  52
 Bolland, M.D.A.  111
 Bondietti, E.A.  80, 92
 Booltink, H.W.G.  234
 Boratynski, J.  201
 Bosveld, F.C.  306
 Bottenheim, Jan W.  117
 Boyce, R.L.  183
 Boyd, D. H.  210
 Boyle, J.S.  326, 450
 Breeman, N. van  443
 Breemen, N. van  234
 Brewer, C.H.  399
 Brezonik, P.L.  95
 Briggs, R.D.  283
 Britton, K.O.  366
 Broekhuizen, H.J. van  340
 Bromssen, Ulf von  44
 Brookhaven National Laboratory, Dept. of Applied Science,
 National Acid Precipitation Assessment Program (U.S.)  115
 Brown, A.D.  24
 Bruns, D.A.  219
 Bryant, R.  126
 Brydges, T.G.  458
 Buffoni, A.  375
 Burton, A.J.  242, 299, 500
 Bury, R. Bruce  11
 Byers, D.P.  428
 Byres, D.P.  301
 Bytnerowicz, A.  141, 173
 Cadle, S.H.  295
 Calamassi, R.  198
 California, Air Resources Board, Geological Survey (U.S.)  64
 Campbell, A. M.  53
 Campbell, R. N. B.  35
 Canada Centre for Inland Waters  166
 Canada, Agriculture Canada, Research Branch, Land Resource
 Research Institute (Canada)  431
 Canada, Atmospheric Environment Service, Canadian Air and
 Precipitation Monitoring Network, Air Pollution Control
 Association, Meeting, 1987 : New York, New York)  361
 Canada, Atmospheric Environment Service, Quebec Region,
 Scientific Services Division  405
 Canada, Dept. of Fisheries and Oceans, Canada, Federal LRTAP
 Liaison Office, Canada, Environment Canada  442
 Canada, Direction generale des terres  430
 Canada, Federal LRTAP Liaison Office, Environmental and Social
 Systems Analysts Ltd  88
 Canada, Lands Directorate  97
 Canada,Agriculture Canada, Research Branch  102
 Canada. Federal/Provincial Research and Monitoring Coordinating
 Committee  127
 Canada. Parliament. House of Commons. Sub-committee on Acid Rain 
 457 Canadian Wildlife Service  158
 Canadian Wildlife Service, Wildlife Toxicology Division  10
 Cannon, W.N. Jr  254, 260, 342
 Cape, J.N.  7, 122, 138, 276, 277
 Caporn, S.J.M.  187
 Carlisle, J.  373
 Carrier, Leon  132
 Carter, G.A.  399
 Center for Transportation Research (Argonne National Laboratory),
 National Acid
 Precipitation Assessment Program (U.S.),National Research Council
 (U.S.),Transportation Research Board, Meeting 1985 : Washington,
 D.C.),United States, Office of the Assistant Secretary for Fossil
 Energy, United States, Dept. of Energy, Technical Information
 Center  243
 Chadwick, M. J.  6
 Chalupsky, J.  180
 Chapin, F.S. III  404
 Chappelka, A.H.  191, 192, 225, 399, 400
 Charlebois, D.  169
 Charles, Donald F.  26
 Chaudhry, M.  133
 Chen, Y.M.  393
 Cheplick, G.P.  156
 Choularton, T.W.  308
 Christensen, John O.  16
 Christie, S.  26
 Christophersen, N.  502
 Claiborn, C.S.  101
 Clair, Thomas A.  434
 Clark, K.  10
 Clayton, J.L.  447, 448, 449
 Cline, S.P.  313
 Coe, H.  308
 Cole, D.W.  332, 384
 Cole, M.A.  314
 Colley, D. G.  210
 Collins, E.R. Jr  58
 Comis, D.  376
 Conklin, P.  369
 Conkling, B.L.  185
 Conrad, R.  238
 Cook, E.R.  313, 476
 Cooke, C.J.  195
 Coote, D. R.  102, 431
 Corcuera, L.J.  394
 Corn, Paul Stephen  11
 Corvallis Environmental Research Laboratory, Forest Response
 Program (U.S.),United States, Environmental Protection Agency,
 United States, Forest Service  398
 Cosby, B.J.  323, 324
 Cosby, J.  320
 Costella, M.P.  87
 Cote, B.  328
 Cottam, N.D.  195
 Courchesne, F.  207, 318
 Cowles, S.  87
 Cowling, E.  114, 246
 Cox, R.M.  272
 Cresser, M.S.  67, 232
 Crowther, R. A.  27
 Cuijpers, C.  14
 Dahlgren, R.A.  36
 Dailey, Nancy S.  472
 Dale, R.F.  113
 Dalziel, T.R.K.  287
 Dam, H. van  182
 Danielson, R. M.  170
 Dao, P.  122
 Das, N.C.  360
 David, M.B.  140
 Davis, C.  47
 Davis, Carla E.  98
 Davis, D.D.  245, 256
 De Steiguer, J.E.  143
 Dean, T.J.  257, 258, 288, 301, 428
 Degrange, J. E.  171
 DeHayes, D.H.  476
 Delleur, J. W.  72
 Desautels, Gilles  405
 Desjardins, R. L.  307
 DeWalle, D.R.  167
 Dick, W.A.  231, 379
 Dickas, A.B.  505
 Dickson, R.E.  84
 Dignon, J.  336, 337
 Dise, N.B.  334
 Dittrich, A.  462
 Dobben, H. F. van  264
 Dobben, H. van  205
 Dobben, H.F. van  285
 Dohmen, G. P.  155
 Downard, R.B. Jr  283
 Draaijers, G.P.J.  309, 397
 Driscoll, C.T.  36
 Duckworth, C.M.S.  232
 Dudek, Daniel  103
 Duinker, Peter  248
 Dupont, Jacques  440
 Durand, P.  112
 Durham, Jack L.  13
 Duriscoe, D.M.  313
 Dutch Priority Programme on Acidification  43
 Duyzer, J.H.  224, 306
 Eagar, C.  476
 Eamus, D.  70, 267, 350
 Eason, G.  149, 214
 Easter, R. C.  356
 Eckstein, Y.  319
 Edwards, G.S.  146, 427
 Edwards, N.T.  84
 Edwards, P.J.  66
 Edwards, W.M.  231, 379
 Egger, A.  1
 Eichner, M.J.  335
 Eissenstat, D.M.  288
 Ek, R. van  309, 397
 Elder, F.C.  2
 Eldhuset, T.D.  406
 Ellenton, Gloria Logan  297
 Ena, A.  198
 Engstrom, Daniel Russell  434
 Environmental Defense Fund  103
 Erisman, J.W.  57, 79, 118, 182, 425
 ESSA Environmental and Social Systems Analysts Ltd, Concord
 Scientific Corporation, Western Target Loading Planning Group
 (Canada),National Research Council Canada, Associate Committee on
 Scientific Criteria for Environmental Quality, Technical
 Committee for the Long-Range Transport of Atmospheric Pollutants
 in Western and Northern Canada  290
 Evans, Lance S.  115, 348, 506
 Fackler, W.  278
 Fahey, T.J.  123
 Falkengren-Grerup, U.  322
 Fang, Z.  154
 Farmer, A.M.  145, 485
 Faulkner, P.L.  116
 Featherstone, A.M.  113
 Feger, K.H.  271
 Fendick, E.A.  89, 270
 Fenn, M.E.  141
 Fernandez, I.J.  383, 476
 Ferrier, R.C.  323, 324, 359
 Field, C.B.  404
 Finke, R.L.  438
 Fischer, K.  10
 Fitzgerald, J.W.  423, 467, 469
 Flagler, R.B.  345
 Fletcher, J.J.  113
 Flower, R.J.  346
 Fluckiger, W.  164
 Foell, W.K.  18
 Fok, Y.S.  55
 Forti, M.C.  262
 Foster, N.W.  130, 332, 339, 388
 Fowler, D.  122, 134, 224, 308
 Fox, R.L.  355
 Fraser, G.A.  358
 Freer-Smith, P.H.  108
 Friedland, A.J.  56, 389
 Friend, A.L.  84, 427
 Fritsche, U.  461
 Gagnon, Gilles  132
 Gallagher, M.W.  308
 Gardenfors, Ulf  266
 Garrec, J.P.  325
 Garty, J.  153
 Gaston, L.A.  362
 Gatherum, G. E.  487
 Geological Survey (U.S.)  227, 228, 499
 Geological Survey (U.S.),United States, Environmental Protection
 Agency  99
 Gessa, C.  154
 Gherini, S.  478
 Ghuman, B.S.  128
 Gilbert, G.  430
 Gjerstad, D.H.  400
 Glode, B.N.  484
 Glode, M.L.  484
 Goldburg, C.B.  483
 Gower, S.T.  446
 Granat, L.  392
 Grayson, Lesley  17
 Green, T.H.  400
 Grennfelt, P.  470
 Grier, C.C.  446
 Grieve, I.C.  181
 Griffith, M.B.  253
 Grimard, Yves,  440
 Grinsven, J.J.M. van  204, 425
 Grishina, L.A.  148
 Gritten, R.H.  4
 Grizzard, T.  71
 Guan, Zhou,  221
 Gumpertz, M.L.  495
 Gustafsson, J.P.  471
 Guzzo, Louis R.,  486
 Haack, R.A.  247, 273
 Hadley, J.L.  354
 Haemmerli, F.  475
 Hagvar, S.  411, 412
 Hales, J. M.  356
 Hallgren, J.E.  392
 Hallingback, T.  150, 197
 Ham, J. van  507
 Hamilton, S.K.  142
 Hampp, R.  109
 Hanson, P.J.  104, 274, 331
 HAPRO (Project)  41
 Harel, J.  153
 Hargreaves, K.  308
 Hargreaves, K.J.  224
 Harrison, A.F.  122
 Harrison, R.B.  467
 Harsh, J.B.  326, 450
 Hassett, J.J.  438
 Hau, J.A.  319
 Havens, K.E.  298
 Heber, U.  462
 Heerden, C. van  204, 425
 Heij, G. J.  43
 Heij, G.J.  57, 81, 118, 176, 292, 425
 Heil, G.W.  73, 206
 Helander, M.L.  402
 Helie, Robert G.  430
 Heliovaara, K.  34
 Hendershot, W.H.  318
 Henderson, G.S.  437
 Hendrey, George R.  391, 506
 Hendry, George R.  115
 Henrot, J.  368
 Hensler, R.F.  468
 Hicks, B.B.  458
 Hodge, W.  420
 Hogan, G.D.  352
 Hogervorst, R.F.  237
 Hoiland, K.  407
 Holdaway, M.R.  124
 Holopainen, T.  105
 Hooper, Richard Preston,  64
 Hootsmans, R.M.  125
 Hordjik, Leen  380
 Hornbeck, J.W.  110
 Houpis, J.L.J.  87
 Houweling, H.  182
 Howard, Gary L.  433
 Howard, Ross,  357
 Howells, G.  287
 Hsu, P.H.  178
 Hubbard, Robert M.  157
 Hudson, R.  478
 Hughes, R.N.  272
 Hultberg, H.  334, 470
 Hunt, James E.  60, 307
 Huntington, T.G.  56, 389
 Huse, M.  415, 416
 Hutton, M.  6
 Huttunen, S.  460
 Ineson, P.  100
 Ingenjorsvetenskapsa kademien (Sweden)  212
 Innes, J.L.  459
 INRS-Eau  351
 Institute of Terrestrial Ecology  35
 International Association of Hydrological Sciences, UNESCO,
 United Nations Environment Programme, World Meteorological
 Organization, International Association of Hydrological Sciences,
 Scientific Assembly1989 :Baltimore, Md.)  72
 International Institute for Applied Systems Analysis  248
 International Institute for Applied Systems Analysis, Sweden,
 Statens naturvardsverk, Norway, Miljoverndepartementet,
 Netherlands, Ministerie van Volkshuisvesting, Ruimtelijke
 Ordening en Milieubeheer  380
 Irving, H. J.  244
 Irving, Patricia M.  29, 30, 85
 Isabel, Roy J.  310
 Isermann, K.  48
 Izrael', IU. A.  294
 Jacks, G.  471
 Jacobson, J.S.  31
 Jagels, R.  373, 489
 Jansen, A.E.  86
 Jaques, Dennis R.  303
 Jarv, Toomas,  21, 22
 Jeffries, D.S.  69
 Jenkins, A.  320, 323, 324
 Jensen, K.F.  78, 190, 403
 Jenssen, H.B.  407
 Johnson, A.H.  56, 183, 389, 422, 476
 Johnson, D. W.  75
 Johnson, D.W.  76, 80, 172, 387, 388, 467, 476, 478
 Johnson, J.  137, 246
 Johnson, J.D.  257, 288, 301, 428
 Johnston, J.P.N.  199
 Jones, H. G.  351
 Jones, Michael L.  88
 Jones, O.R.  378
 Jones, V.J.  346
 Jonsson, E.B.  498
 Jordan, D.N.  400
 Joslin, J.D.  435, 436, 437, 444
 Joy, Albert H.  12
 Jurgensen, M.F.  500
 Jurkovic, A. A.  166
 Kaiser, W.  462
 Kaitala, V.  236
 Kananaskis Centre for Environmental Research, Alberta Government-
 Industry Acid Deposition Research Program  59
 Kananaskis Centre for Environmental Research, Alberta
 Government/Industry Acid Deposition Research Program  126, 162,
 170, 171, 210, 213, 303
 Kanehisa, K.  394
 Karary, Y.  153
 Karenlampi, L.  105
 Karltun, E.  135
 Kauppi, P.E.  235
 Kauppi, Pekka  37
 Keller, M.  329
 Keller, W.  298
 Kellner, O.  197
 Kelly, J.E.  493
 Kelly, J.M.  146, 436, 444
 Kennedy, D.A.  448, 449
 Kennedy, I. R.  23
 Kenttamies, Kaarle,  37, 41
 Kerfourn, C.  325
 Kickert, Ronald N.  59
 King, S.O.  95
 Knighten, J.  366
 Knittel, R.  196
 Knoerr, K.  369
 Kochenderfer, J.N.  66
 Kochian, L.V.  496
 Kocman, V.  381
 Koenning, S.R.  289
 Kohut, R.J.  151, 354, 476, 497
 Komulainen, M.  429
 Kostka-Rick, R.  374
 Kowalok, M.E.  106
 Kratz, K.W.  142
 Kratzmann, M.  445
 Krauchi, N.  475
 Kress, L.W.  89, 269
 Kros, J.  68, 125, 203, 425
 Krouse, H. R.  213
 Krug, E.C.  251
 Krupa, S.V.  200
 Krupa, Sagar V.  59
 Kryuchkov, V.V.  229
 Kulandaivelu, G.  15
 Kumar, S.  311
 Kurtz, J.  312
 Kuzyk, M.  439
 L'Hirondelle, S.J.  31
 Lachance, D.  480
 Lachance, Marius,  296
 Laflen, J.M.  338
 Laishley, E. J.  126
 Lal, R.  128
 Lam, D.C.L.  69
 Landmann, G.  396
 Langlois, C.  363
 Lassoie, J.P.  31
 Lau, Yan K.  360
 Laurence, J.A.  354, 497
 Lauver, T.L.  496
 Lave, L.B.  483
 Lawrence, G.B.  383
 Lawrence, P.A.  174
 Lawton, K.A.  366
 Lazerte, B.D.  268
 LeBlanc, Alice M.  103
 LeBlanc, D.C.  283, 479
 Leblanc, R.M.  169
 Lechner, Larry J.  433
 Lee, J.A.  187, 386
 Lefohn, Allen S.  98
 Legge, A.H.  200
 Legge, Allan H.  27
 Leith, I.D.  7, 276, 277
 Lelong, F.  112
 Lennox, R.W.  259
 Lessmann, D.  90
 Lewin, Keith F.  115, 348, 506
 Ley, B.  297
 Li, L. K.  430
 Li, Z.  101
 Liechty, H.O.  91, 242
 Lindberg, S.E.  76, 80, 370, 465, 467, 477, 482
 Lindberg, Steven E.  75
 Lindzen, R.S.  453
 Linzon, Samuel N.,  244
 Liu, C.  281
 Liu, G.E.  328
 Liu, S.  478
 Liu, W.  154
 Lock, J.E.  345
 Lockaby, B.G.  191, 192, 225, 400
 Long, R.P.  261
 Longhurst, James W. S.  5
 Lorio, Peter L.  487
 Loucks, O.L.  249
 Lovett, G.M.  330, 370
 Lucas, P.W.  393
 Ludovici, K.H.  116
 Lusis, Maris A.  473
 Lutke-Schipholt, I.J.  234
 Lutzow, M. von  426
 Lyle, Alex  35
 Ma, B.  281
 Ma, Y.  281
 MacDonald, N.W.  242, 500
 Mach, C.E.  95
 Madison, F.W.  505
 Magel, E.  189
 Maitland, Peter S.  35
 Malessa, V.  90
 Malhi, S.S.  133
 Manitoba, Air Standards and Studies  53
 Manning, W.J.  374
 Mansell, R.S.  362
 Marden, S.  373
 Marmorek, David R.,  442
 Marnette, E.C.  182
 Marshall, J.D.  295
 Maryland Power Plant Research Program  311
 Maryland, Chesapeake Bay Research and Monitoring Division  61
 Maslov, S. A.  293
 Mason, B. J.  20
 Matschullat, J.  90
 Matson, P.A.  404, 446, 488
 Mattson, Kim G.  398
 Matzner, E.  38
 Mauer, D.  147
 May, T.  137, 246, 504, 505
 Mayo, J.M.  200
 McAvoy, D.C.  36
 McClenahen, J.R.  261
 McCune, D.C.  496
 McDuffie, C. Jr  104, 193, 385
 McLaughlin, C.K.  373
 McLaughlin, J.W.  500
 McLaughlin, S.B.  3, 92, 151, 255, 274, 476
 McQuattie, C.J.  190
 Meijers, R.  309, 397
 Melack, J.M.  142
 Meldahl, R.S.  191, 192, 225, 400
 Menzel, R.G.  378
 Michigan, Air Pollution Control Commission, Detroit Edison
 Company, Ontario, Ministry of the Environment, Ontario, Ministry
 of Government Services  365
 Mill, W.A.  39
 Miller, E.K.  56, 389
 Miller, J.D.  323, 324, 359
 Miller, K.W.  314
 Miller, P.R.  241, 259, 317
 Miller, Peter  103
 Millers, I.  480
 Minnen, J.G. van  204
 Minshall, G.W.  219
 Misra, Prasanta K.  297
 Mitchell, M.J.  130, 339, 388, 451, 464, 466, 467
 Mitchell, R.J.  399
 Mitre, M.E.  329
 Modi, G.  198
 Mohnen, V.A.  77, 344, 476
 Mohren, G.M.J.  176, 284
 Molenaar, J.  218
 Moncrieff, J.B.  134
 Mondoux, Jean-Maurice  430
 Montes, R.  94
 Mooney, H.A.  404
 Moroz, W. J.  161
 Morris, R. E.  421
 Morrison, I.K.  130, 339
 Morton, A.  137
 Mroz, G.D.  91, 242, 500
 Mudano, J.E.  269
 Muir, P.S.  179
 Mulawa, P.A.  295
 Mulder, J.  502
 Munson, R.  478
 Murdoch, Peter S.  99
 Murray, M.  350
 Murray, M.B.  267
 Murthy, A.  101
 Muthuchelian, K.  15
 N'soukpoe-Kossi, C.N.  169
 Nadeau, A.  363
 Nagel, T.  448, 449
 Nash, B.L.  245
 National Acid Precipitation Assessment Program (U.S.)  29, 316
 National Acid Precipitation Assessment Program (U.S.), Office of
 the Director  494
 National Acid Precipitation Assessment Program (U.S.),Canadian
 Federal-Provincial Research and Monitoring Coordinating
 Committee, Bilateral Advisory and Consultative Group (U.S. and
 Canada)  456
 National Acid Precipitation Assessment Program (U.S.),National
 Acid Precipitation Assessment Program (U.S.), Office of the
 Director  30 National Acid Precipitation Assessment Program
 (U.S.),United States, Interagency Task Force on Acid
 Precipitation  395
 National Acid Precipitation Assessment Program (U.S.).  28
 Natkanski, J.  346
 Neal, C.  112, 262
 Nedunchezhian, N.  15
 Neufeld, David  19
 Neuvonen, S.  188, 402, 429, 441
 Newman, J.R.  9
 Niblack, T.L.  185
 Nigel, J.  145
 Nilles, Mark A.  228, 499
 Nilsson, E.M.A.  498
 Nilsson, J.  114
 Nilsson, Sten  248
 Nimphius, N.  468
 Nisbet, T.R.  160
 Norrstrom, A.C.  417
 Novo, A.  375
 Nowak, C.A.  283
 Nyborg, M.  133
 Nygaard, P.H.  408
 Nystrom, U.  334
 O'Neil, E.G.  84
 O'Neill, E.G.  427
 Oceanroutes Canada, Inc, Canada, Environment Canada, Atlantic
 Region, Canada, Atmospheric Environment Service  62
 Olem, Harvey  367
 Olsen, A. R.  490
 Olsen, R.A.  413
 Olsthoorn, T.N.  286, 424
 Ontario  365
 Ontario Hydro, Environmental Studies and Assessments Dept,
 Canadian Electrical Association, Research and Development  161
 Ontario Hydro, Research Division  21, 22, 230
 Ontario, A.P.I.O.S. Coordination Office  209, 297, 312, 473
 Ontario, A.P.I.O.S. Coordination Office, Ontario, Atmospheric
 Processes Studies Unit  33
 Ontario, Atmospheric Research and Special Programs Section,
 Special Studies Unit, Ontario, Atmospheric Processes Studies
 Unit, Ontario, A.P.I.O.S. Coordination Office, Ontario, Ministry
 of the Environment, Special Studies Unit  32
 Ontario, Legislative Library, Ontario, Legislative Research
 Service  19 Ottow, J.C.G.  426
 Owens, J.G.  71, 482
 Owens, L.B.  231, 379
 Paces, T.  455
 Pacific Northwest Laboratory, National Acid Precipitation
 Assessment Program (U.S.),United States, Environmental Protection
 Agency, United States, Dept. of Energy, Technical Information
 Center  356
 Paine, T.D.  265
 Palatova, E.  147
 Palomaki, V.  105
 Pan, W.L.  326
 Papen, H.  1
 Parker, B.R.  186
 Parkinson, J.A.  122
 Parr, J. F.  170
 Parsons, W.F.J.  329
 Pasricha, N.S.  355
 Paterson, I.S.  122
 Patton, R.L.  403
 Paynter, B.H.  111
 Paynter, V.A.  96, 168
 Pearce, F.  503
 Peel, T.E.  381
 Pell, E.J.  196
 Pell, Eva J.  372
 Penner, J.E.  336, 337
 Pennsylvania State University, Center for Air Environment
 Studies, Brookhaven National Laboratory, United States, Dept. of
 Energy, Technical Information Center  372
 Percy, K.E.  190, 373
 Perley, Michael,  357
 Perry, S.A.  253
 Perry, W.B.  253
 Peters, Norman E.  64
 Picard, D. J.  210
 Pier, P.A.  104, 193, 385
 Pijpers, M.  502
 Pitelka, L.F.  76, 478
 Pohjola, M.  236
 Porter, P.M.  233, 438
 Posthumus, A.C.  86, 176, 177
 Potter, C.S.  74
 Potter, R.M.  65
 Pregitzer, K.S.  242, 299
 Pressnail, J.  230
 Proost, S.  14
 Pusino, A.  154
 Qiu, Z.  191, 192
 Quail, K.J.  439
 Quebec (Province), Ministere de l'energie et des ressources,
 Service de la recherche appliquee  132
 Quebec (Province), Ministere de l'environnement, Direction des
 inventaires  382
 Quebec (Province), Ministere de l'Environnement, Quebec
 (Province), Direction des releves aquatiques  107
 Quebec (Province),Direction de la qualite du Milieu aquatique 
 440 Qvarfort, U.  300
 Raessen, M.B.A.G.  73
 Rafarel, C.R.  226
 Ragsdale, H.L.  74
 Rajamanickam, L. D.  341
 Ranta, H.  402
 Rao, S. S.  166
 Rawlings, J.O.  495
 Ray, D.L.  275
 Ray, Dixy Lee  486
 Raynal, D.J.  388, 437
 Read, D.J.  187
 Reardon, J.C.  96, 168
 Redak, R.A.  265
 Reddy, G.B.  149, 214
 Reed, D.D.  91, 299
 Reiners, W.A.  329
 Reinert, R.A.  149, 214
 Rejsek, K.  8
 Rennenberg, H.  1
 Reyes, V.  439
 Reynolds, B.  282, 321
 Rice, C.W.  131
 Richardson, C.J.  89, 270
 Richardson, N.  346
 Richie, E.B.  65
 Richter, D.  495
 Riechers, G.H.  241, 259
 Rinallo, C.  175, 194, 198
 Rippey, B.  346
 Robarge, W.P.  101, 172
 Roberts, B.R.  254
 Roberts, D.J.  481
 Robson, P.  166
 Rocky Mountain Forest and Range Experiment Station (Fort Collins,
 Colo.),Rocky Mountain National Park (Colo.),U.S. Fish and
 Wildlife Service, Research and Development  11
 Rogers, J. E.  315
 Rogers, K.L.  131
 Rose, J.  93
 Roy, W.K.  3, 274
 Ruark, G.A.  225
 Rubailo, V. L.  293
 Rubec, C. D. A.  97
 Ruddick, J.N.R.  498
 Ruddick, L.  439
 Rusek, J.  54
 Sahrhage, E.  492
 Saikkonen, K.  441
 Saikkonen, K.T.  188
 Salim, R.  492
 Sallnas, Ola  248
 Salm, C. van der  203
 San Jose, J.J.  94
 Sanderson, Kim  25
 Sandhu, H. S.  51
 Sanger, L.J.  67
 Saricks, Christopher L.  243
 Sasek, T.W.  89, 270
 Saskatchewan, Air Pollution Control Branch  433
 Satake, K.  201
 Saven, Ingegard  83
 Saxe, H.  349
 Schaedle, M.  436, 437
 Schaefer, D.A.  369, 370
 Scheunert, I.  426
 Schier, G.A.  78, 403
 Schindler, D.W.  186
 Schlaepfer, R.  250
 Schmoyer, D.D.  220
 Schnabel, R.R.  65
 Schneider, T.  40, 43, 81
 Schoeneberger, M.M.  116
 Schoettle, A.W.  377
 Schonwald, H. R.  263
 Schonwitz, R.  279
 Schrader, S.  263
 Schreiber, R.K.  9
 Schroder, P.  1
 Selim, H.M.  362
 Selinger, H.  280
 Selvidge, W.J.  71
 Shafer, S.R.  289, 401
 Shaff, J.E.  496
 Shaffer, P.W.  222
 Shanley, J.B.  463
 Sharpe, W.E.  167R
 Sharpley, A.N.  378
 Shaw, George G.  158, 452
 Shaw, P.J.A.  199
 Shaw, Roderick  380
 Shearer, W.  128
 Shelburne, V.B.  96, 168
 Shepard, J.P.  130, 283, 339, 451
 Sheppard, L.J.  7, 122, 276, 277
 Shinn, J. H.  171
 Shipitalo, M.J.  231, 379
 Shrader, W. D.  487
 Siewers, U.  90
 Sikora, F.  178
 Silver, W.L.  183
 Simpson, J. C.  490
 Sinclair, H.R.  113
 Singh, N.  347
 Singh, S.N.  347
 Sirois, A.  361
 Sjostrom, J.  300
 Skeffington, R.A.  287, 481
 Skelly, J.M.  245, 256
 Slanina, J.  305
 Smiley, R.W.  63
 Smith, C.J.  195
 Smith, C.R.  353
 Smith, S.J.  378
 Smith, W.  50
 Sogn, T.A.  409
 Solberg, E.D.  133
 Somers, G.L.  191, 192
 Soo-Kim, D.  101
 Soulsby, C.  282, 321
 Soveri, J.  45
 Sposito, G.  24
 Spruill, S.E.  495
 Staaf, H.  42
 Stainton, M.P.  186
 Stams, A.J.M.  234
 Stanko-Golden, K.M.  469
 Stark, M.  475
 Stevens, A.O.  390
 Stevens, D.L. Jr  222
 Stevenson, A.C.  346
 Stolte, K.W.  313
 Stolzenburg, William  11
 Stone, D.M.  129
 Storeton-West, R.L.  224
 Stow, T.K.  269
 Strausz, Otto P.,  117
 Streets, D.G.  18
 Streit, H.  445
 Strimbeck, G.R.  183, 389
 Stuanes, A. O.  302
 Stuanes, A.O.  119, 120, 215, 216, 217, 384, 409, 410, 414
 Su, Z.  281
 Sucoff, E.  435
 Summers, K.  478
 Surtees, E.  21
 Sury, R. von  164
 Sutton, M.A.  134
 Sverdrup, H.  322
 Sverdrup, H.U.  318
 Swank, W.T.  74, 469
 Sweden, Statens naturvardsverk  44, 83, 266
 Sweden. Statens naturvardsverk  49
 Swenson, W.  504
 Syvertsen, J.P.  288
 Tabatabai, M.A.  152, 338R
 Tahvonen, O.  236
 Takamatsu, T.  201
 Takemoto, B.K.  173
 Takyi, S.  133
 Taylor, Billie L.  62
 Taylor, G.  108
 Taylor, G.E. Jr  71, 84, 331
 Technical Committee for the Long Range Transport of Atmospheric
 Pollutants in Western Canada  418
 Technical Committee for the Long Range Transport of Atmospheric
 Pollutants in Western Canada. Coordinating Committee on Surface
 Waters  223 Teigen, O.  406
 Telang, S. A.  474
 Temple, P.J.  241, 259
 Tennessee Valley Authority  367
 Thoene, B.  1
 Thoene, Barbara  491
 Thomas, R.  208
 Thompson, D.B.A.  386
 Thornton, F.C.  104, 193, 225, 385, 435, 436, 437
 Ti, Teow-Loon  341
 Tiarks, A.E.  225
 Tietema, A.  304, 333
 Tiktak, A.  425
 Tita, M.  375
 Tjoelker, M.G.  3, 274
 Tomlinson, G.H.  381
 Tomlinson, P.T.  84, 427
 Torn, M. S.  171
 Torrenueva, Allen L.  161
 Toups, B.G.  345
 Trottier, C.  169
 Trumble, J.T.  46, 265
 Tsumuki, H.  394
 Turchenek, L. W.  162
 Turner, D.P.  340
 Turner, R.S.  220
 Tveite, B.  119, 120, 215, 216, 217, 410, 415, 416
 Tveite, Bjorn  302
 Uffelen, J.G. van  125
 Ulrich, B.  501
 United Nations, Economic Commission for Europe 454
 United States, Cooperative State Research Services, South
 Carolina State College  310
 United States, Dept. of Agriculture, National Acid Precipitation
 Assessment Program (U.S.), Office of the Director  327
 United States, Dept. of Energy, Brookhaven National Laboratory,
 Terrestrial and Aquatic Ecology Division  506
 United States, Dept. of Energy, Technical Information Center  348
 United States, Dept. of Energy, Technical Information Center,
 Brookhaven National Laboratory, Dept. of Applied Science  391
 United States, Environmental Protection Agency, Office of
 Environmental Processes and Effects Research  13
 University of Kentucky, Appalachian Center  211
 University of Minnesota, Water Resources Research Center  139
 Urbasek, F.  180
 Vaisanen, R.  34
 Van Miegroet, H.  332, 384, 444
 van Straalen, N.M.  237
 Vance, G.F.  140
 Vann, D.R.  183, 389
 Varama, M.  34
 Vasilas, B.L.  353
 Venn, K.  390
 Verhagen, H.L.M.  306
 Verhoef, H.A.  237
 Vermeulen, A.T.  305
 Verstraten, J.M.  333, 443
 Vet, Robert J.  361
 Vieno, M.  429
 Vigneault, Y.  363
 Visser, H.  218
 Visser, S.  170
 Vitousek, P.M.  488
 Vogel, H.  159
 Volkmann, C.  446
 Voogd, J.C.  203
 Voogd, J.C.H.  125
 Voorburg, J.H.  57
 Vose, J.  331
 Vries, W. de  68, 125, 176, 203
 Vyas, Anant  243
 Walker, G.P.  46
 Walker, R.F.  255
 Walker, T.A.B.  323, 324
 Walker, W.M.  353
 Walton, J.J.  336, 337
 Wang, C.  102, 431
 Wang, W.C.  344
 Wang, Y.  281
 Warfvinge, P.  318, 322
 Waters, D.J.  252
 Weisel, J.H.  493
 Wellburn, A.R.  393
 Wenzel, W.W.  184
 Werner, L.  82
 Western Mesoscale Modelling Task Group  418
 Weststrate, J.H.  306
 Whitehead, P.G.  252, 320, 359
 Whitman, William Barnaby  315
 Wieder, R.K.  368
 Wiersma, G.B.  219
 Wilkins, D.E.  63
 Wilkinson, K.  478
 Wilkinson, R.C.  193
 Williams, J.H.  136
 Williams, M.W.  142
 Willoughby, Timothy C.  227
 Winstead, J.E.  275
 Woittiez, J.R.W.  234
 Wood, F.  66
 Wookey, P.A.  100
 Wortelborer, F.G.  202
 Wright, R.  320
 Wright, R. G.  307
 Wright, R.F.  334
 Wulff, A.  105
 Wyers, G.P.  305
 Xu, S.  450
 Yan, N.D.  298
 Yap, David  209, 312
 Yelenosky, G.  288
 Yeung, E.C.  200
 Yeung, P.  133
 Yoshida, H.  394
 Yunus, M.  347
 Zaikov, Gennadii Efremovich  293
 Zelles, L.  426
 Zhang, Y. I467
 Zhang, Z.  281
 Zhao, K.  281
 Zheng, Y.  281
 Ziegler, E.L.  233
 

Subject Index

 Abies  77, 444, 476
 Abies alba  218
 Abies balsamea  56, 328, 383
 Abies concolor  173
 Abies fraseri  101
 Abies lasiocarpa  123
 Abiotic injuries  46, 138, 173, 174, 240, 269, 354, 393, 422, 438
 Abnormal development  129, 147
 Abscission  269, 270, 354
 Absorption  1
 Acer rubrum  245, 256, 500
 Acer saccharum  169, 179, 299, 328, 339, 381, 388, 436, 480, 500
 Acetylene  329
 Acid base equilibrium  24
 Acid deposition  2, 4, 5, 8, 18, 20, 25, 26, 27, 28, 29, 30, 37,
 38, 39, 40, 41, 42, 43, 45, 46, 52, 54, 57, 59, 61, 62, 64, 65,
 66, 67, 68, 69, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 86,
 90, 91, 92, 95, 100, 101, 104, 105, 108, 109, 110, 112, 114, 116,
 118, 122, 123, 124, 125, 126, 134, 135, 138, 140, 141, 142, 148,
 150, 151, 160, 162, 163, 164, 170, 171, 172, 173, 174, 176, 181,
 182, 187, 193, 199, 201, 202, 203, 204, 205, 206, 207, 208, 213,
 219, 220, 221, 222, 226, 227, 228, 232, 235, 237, 240, 241, 242,
 245, 247, 250, 252, 259, 261, 264, 265, 268, 271, 272, 275, 282,
 284, 285, 286, 287, 290, 292, 298, 300, 303, 304, 305, 306, 308,
 309, 311, 313, 317, 320, 321, 322, 323, 324, 325, 326, 327, 331,
 332, 333, 334, 346, 350, 352, 356, 359, 362, 368, 369, 370, 371,
 374, 380, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393,
 396, 397, 398, 401, 404, 417, 418, 419, 421, 422, 423, 424, 425,
 432, 435, 436, 437, 443, 444, 446, 448, 449, 450, 451, 454, 455,
 456, 459, 463, 464, 465, 466, 467, 469, 470, 471, 475, 476, 477,
 478, 479, 481, 482, 490, 494, 500
 Acid mine drainage  368
 Acid phosphatase  8, 214
 Acid pollution of rivers, lakes, etc  20, 26, 88, 165, 166, 223,
 290, 351, 433, 434, 440, 442
 Acid precipitation  248
 Acid precipitation (Meteorology)  10, 11, 21, 22, 29, 30, 33, 51,
 53, 59, 60, 62, 88, 97, 99, 102, 107, 126, 127, 132, 158, 165,
 166, 209, 213, 230, 296, 297, 312, 316, 360, 361, 363, 365, 367,
 382, 395, 405, 418, 421, 430, 431, 433, 434, 452, 473, 494
 Acid rain  3, 5, 6, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 23,
 29, 31, 34, 35, 42, 44, 46, 47, 49, 55, 56, 58, 61, 74, 83, 84,
 87, 89, 91, 93, 94, 96, 97, 98, 103, 106, 110, 118, 119, 120,
 129, 130, 133, 136, 137, 139, 143, 145, 146, 147, 149, 153, 156,
 157, 161, 167, 168, 169, 175, 177, 179, 180, 183, 185, 186, 188,
 190, 191, 192, 194, 195, 196, 197, 198, 211, 212, 214, 215, 216,
 217, 225, 233, 236, 239, 241, 244, 246, 248, 249, 251, 253, 254,
 255, 256, 257, 259, 260, 263, 266, 267, 269, 270, 274, 276, 277,
 281, 283, 288, 289, 290, 291, 293, 294, 299, 301, 302, 310, 314,
 318, 319, 327, 328, 336, 337, 339, 340, 342, 343, 345, 347, 349,
 353, 354, 355, 357, 358, 366, 367, 375, 377, 381, 394, 395, 399,
 400, 401, 402, 403, 406, 407, 408, 409, 411, 412, 413, 414, 415,
 416, 420, 421, 426, 427, 428, 429, 438, 445, 447, 452, 457, 458,
 460, 461, 468, 483, 484, 485, 489, 490, 492, 493, 495, 496, 497,
 498, 499, 502, 503, 504, 505, 507 Acid soils  23, 128, 200, 201,
 234, 251, 321, 362, 371, 384, 407, 408, 409, 410, 412, 413, 415,
 416, 450, 503
 Acid treatment  449
 Acidification  14, 36, 38, 39, 42, 43, 44, 45, 56, 57, 66, 67,
 68, 76, 79, 80, 81, 82, 83, 86, 90, 92, 95, 100, 110, 114, 118,
 119, 120, 125, 135, 148, 172, 176, 180, 187, 201, 202, 203, 204,
 205, 206, 208, 220, 234, 235, 250, 252, 266, 282, 284, 285, 286,
 287, 292, 298, 300, 309, 318, 319, 320, 321, 322, 323, 324, 332,
 346, 359, 362, 369, 370, 371, 384, 396, 406, 407, 408, 409, 410,
 411, 412, 413, 414, 415, 416, 419, 424, 425, 432, 443, 444, 455,
 459, 463, 475, 478, 485, 500, 502, 504, 505
 Acidity  3, 24, 101, 153, 160, 178, 183, 262, 272, 373, 375, 378,
 401, 461
 Acids  36
 Acifluorfen  154
 Acremonium coenophialum  156
 Adsorption  65, 135, 140, 148, 152, 154, 220, 423, 448, 449, 463,
 469, 471, 500
 Adverse effects  145, 501
 Aerial application  160
 Aerial spraying and dusting in forestry  244
 Aerosols  470
 Afforestation  181, 321, 323, 324, 359
 Age  173, 188
 Age of trees  339
 Agricultural adjustment  364
 Agricultural chemicals  376, 379
 Agricultural land  329
 Agricultural production  364
 Agricultural soils  314, 335
 Agricultural wastes  48
 Agriculture  48
 Agrilus  273
 Ai r  103
 Air  22, 32, 49, 51, 60, 62, 107, 117, 212, 248, 263, 296, 307,
 348, 356, 365, 405, 454
 Air pollutants  71, 77, 78, 79, 86, 105, 108, 109, 112, 137, 138,
 239, 245, 246, 256, 261, 284, 292, 295, 344, 374, 375, 419
 Air pollution  1, 8, 14, 34, 38, 39, 42, 46, 50, 52, 54, 57, 68,
 71, 73, 76, 77, 78, 79, 80, 81, 82, 86, 90, 92, 93, 101, 104,
 112, 114, 118, 122, 133, 134, 141, 143, 146, 149, 150, 151, 153,
 164, 175, 176, 177, 183, 187, 192, 193, 200, 202, 203, 204, 205,
 206, 208, 216, 218, 219, 224, 225, 226, 229, 234, 235, 236, 239,
 241, 249, 250, 252, 265, 269, 270, 275, 281, 284, 285, 286, 287,
 292, 295, 299, 305, 306, 308, 309, 313, 317, 330, 331, 332, 344,
 346, 349, 353, 358, 369, 370, 371, 374, 375, 384, 385, 387, 388,
 389, 390, 392, 396, 397, 399, 400, 402, 404, 419, 422, 424, 425,
 432, 443, 446, 447, 453, 455, 458, 459, 462, 464, 465, 466, 467,
 470, 475, 476, 477, 478, 483, 484, 485, 488, 489, 500, 501
 Air quality  51, 53, 58, 312, 473
 Air quality management  28, 32
 Air quality monitoring stations  32
 Air temperature  186, 404
 Alabama  191, 400
 Alberta  200
 Algae  95
 Alkalinization  384
 Allelopathy  394
 Alley cropping  128
 Allometry  299
 Alpine plants  54
 Altitude  3, 193, 274, 386, 422, 469
 Aluminum  56, 130, 160, 178, 181, 184, 200, 207, 225, 271, 274,
 282, 321, 326, 388, 406, 417, 435, 436, 437, 444, 481, 500, 502
 Aluminum hydroxide  448, 449, 450
 Aluminum oxide  463
 Aluminum phosphate  178
 Amelanchier  158, 245
 Ammonia  14, 48, 57, 68, 73, 79, 81, 118, 134, 176, 208, 284,
 285, 286, 305, 306, 330, 419, 424, 425
 Ammonium  73, 141, 164, 267, 314, 333, 393, 451, 500
 Ammonium nitrate  267, 334
 Ammonium nitrogen  232
 Ammonium oxalate  184
 Ammonium sulfate  234, 267
 Amphibians  11
 Analysis of covariance  495
 Animal burrows  231
 Animal housing  58
 Animal husbandry  48
 Animal manures  57
 Animal wastes  14, 81
 Anion exchange  135
 Anion exchange capacity  65
 Anions  24, 56, 74, 91, 112, 181, 319, 383, 409
 Antioxidants  393
 Apiognomonia veneta  164
 Appalachian states of U.S.A.  77, 151, 167, 476
 Application rates  111, 232
 Applied research  249
 Aquatic animals  4, 26
 Aquatic communities  219
 Aquatic ecology  26, 391
 Aquatic environment  219
 Aquatic insects  219
 Aquatic microbiology  166
 Aquifers  45
 Arkansas  249, 273, 479
 Arthropod communities  237
 Arthropods  237
 Artificial precipitation  175, 214, 379
 Arylsulfatase  214
 Ash  417
 Asia  18
 Assays  116
 Assessment  480
 Assimilation  267, 295, 350, 469
 Atmosphere  48, 224, 238, 335, 364, 453, 488
 Atmospheric chemistry  315
 Atmospheric circulation  25
 Atmospheric diffusion  380
 Atmospheric nitrogen dioxide  491
 Atrazine  231, 379
 Aureobasidium  402
 Australia  251
 Austria  184
 Axonopus  94
 B horizons  207, 502
 Bacillariophyta  346
 Baden-wurttemberg  271
 Basal area  273, 383
 Base saturation  148, 300, 322, 417, 448, 449, 481
 Basidiomycotina  407
 Belgium  14Betula  272
 Betula papyrifera  272, 328
 Betula pendula  240, 406
 Betula pubescens  402
 Binding  368
 Bioavailability  8
 Biodegradation  199
 Biogeochemistry  264, 332, 333, 339, 464, 466, 467
 Biological activity in soil  128, 199, 411, 469
 Biological indicators  8
 Biomass  180, 193, 336, 337, 401
 Biomass production  191, 259, 299, 345, 427, 435, 436, 437
 Biosynthesis  190
 Blight  164
 Boreal forests  186, 229, 334
 Botanical composition  402, 407, 408, 429
 Bradyrhizobium japonicum  289
 Branches  87, 200, 269, 354, 461
 Bread  439
 Broadleaved deciduous forests  74, 249, 388, 390
 Bromides  379
 Bryophyta  145, 150
 Buffering capacity  82, 90, 94, 148, 150, 201, 319, 328, 448,
 449, 505
 Bulk density  300, 417
 Burning  336, 337
 Cabt  7, 47, 52, 63, 66, 69, 93, 106, 119, 120, 123, 131, 159,
 160, 182, 199, 215, 216, 217, 229, 247, 272, 317, 329, 334, 373,
 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 432, 482,
 495
 Cadmium  152, 492
 Calcium  3, 73, 100, 130, 148, 160, 179, 193, 274, 322, 381, 435,
 436, 451, 481, 496, 500
 Calcium carbonate  67
 Calcium chloride  207
 Calcium hydroxide  67
 Calcium ions  92, 225, 340, 444
 Calcium sulfate  66, 67, 207
 Calibration  381
 California  24, 141, 142, 173, 241, 259, 317
 Calluna  232
 Calluna vulgaris  73, 134, 187, 206
 Canada  69, 114, 133, 358, 444, 480, 484
 Canopy  73, 74, 94, 122, 136, 224, 239, 245, 299, 321, 330, 370,
 375, 383, 392, 397, 465, 477
 Capacity  343
 Carbohydrate metabolism  109
 Carbohydrates  116, 403
 Carbon  140, 181, 427
 Carbon dioxide  46, 104, 344, 364, 439, 453
 Carbon dioxide enrichment  404
 Carbon monoxide  48
 Carotenoids  89, 104, 173, 385
 Case studies  381
 Catchment hydrology  112, 181, 282, 287, 321, 502
 Cation exchange  94, 152, 220, 321, 448, 449
 Cation exchange capacity  65, 90, 148, 154, 201, 220, 340, 417,
 448, 449, 451, 505
 Cation saturation  220
 Cations  24, 74, 91, 112, 130, 163, 199, 220, 271, 283, 319, 323,
 383, 409, 451, 477
 Cell membranes  190
 Cell ultrastructure  105, 190, 460
 Cell wall components  200
 Cell walls  340
 Cellobiose  469
 Cercocarpus ledifolius  7
 Chemical composition  67, 84, 100, 123, 181, 182, 190, 198, 200,
 239, 373, 393
 Chemical industry  200
 Chemical precipitation  152, 154, 178, 501
 Chemical properties  338
 Chemical reactions  94, 152
 Chemical speciation  95, 201, 271
 Chemiluminescence  281
 Chemistry  220
 Chloride  470
 Chlorides  153
 Chlorine  449
 Chlorophyll  15, 89, 104, 153, 173, 345, 347, 385, 399
 Chlorosis  241
 Choristoneura fumiferana  342
 Citrus paradisi  288
 Clay  448, 500
 Clay minerals  65
 Clearcutting  112, 323
 Climatic change  186, 238, 252, 344, 359, 364, 404, 453
 Climatic factors  124, 283, 479, 500
 Climatology  101
 Clouds  77, 101, 104, 193, 308, 385
 Coal  493
 Coal-fired power plants  21, 212
 Cochliobolus  63
 Cold injury  422
 Cold resistance  31, 70
 Cold tolerance  422
 Collembola  54
 Colorado  123
 Communication in science  486
 Community ecology  54, 219, 401, 407, 408
 Comparisons  65, 94, 111, 113, 116, 123, 135, 469
 Compositae  265
 Computer graphics  230
 Computer simulation  68, 202, 206, 208, 286, 319, 424, 478
 Conidia  164
 Conifer needles  78, 86, 104, 190, 325, 340, 342, 354, 373, 385,
 444, 460, 461, 462
 Coniferae  268
 Coniferous forests  8, 42, 56, 77, 101, 110, 122, 125, 181, 232,
 235, 270, 283, 305, 306, 308, 317, 321, 324, 334, 375, 383, 387,
 389, 390, 392, 396, 470, 475, 476
 Conifers  124, 229, 317
 Conservation tillage  113, 376
 Contact angle  163
 Continuous cropping  63, 152, 231
 Control methods  343
 Controlled atmospheres  439
 Cooperation  236
 Copper  152, 229
 Copper chrome arsenate  498
 Cornus florida  179, 245, 366
 Corolla  175
 Cost benefit analysis  236, 493
 Costa Rica  329
 Costs  113
 Covariance  495
 Crop damage  46, 194
 Crop density  159
 Crop management  335
 Crop production  128
 Crop quality  198
 Crop residues  63
 Crop yield  63, 111, 113, 128, 175, 233, 438
 Cropping systems  128
 Crops  202
 Crown  313, 480
 Crushing  381
 Crustacea  298
 Cryptostigmata  445
 Cultivars  111, 233, 353, 438
 Cuticle  163, 183, 190, 193, 295, 325, 340, 373, 496
 Cycling  76, 80, 130, 140, 168, 242, 339, 355, 404, 451, 464,
 467, 478, 500
 Czechoslovakia  8, 54, 455
 Damage  267
 Dark  274
 Deciduous forests  100, 140
 Decline  8, 42, 81, 151, 235, 237, 250, 267, 270, 284, 325, 387,
 388, 389, 390, 396, 422, 435, 436, 437, 444, 455, 459, 476
 Decomposition  100, 199, 219, 304, 411
 Defense mechanisms  400
 Defoliation  381
 Deforestation  132, 329, 489
 Degradation  153
 Dendroclimatology  218
 Denitrification  131, 238, 329, 333
 Denitrifying microorganisms  238
 Density  237
 Deposition  36, 52, 57, 69, 71, 73, 74, 76, 77, 80, 112, 118,
 130, 133, 134, 184, 187, 200, 208, 219, 224, 229, 295, 305, 306,
 330, 331, 346, 375, 392, 397, 464, 465, 466, 467, 470, 501
 Design  87
 Desorption  463
 Detection  281, 349
 Determination  135
 Deuteromycotina  402
 Diameter  191, 193, 257, 273, 345
 Dieback  245, 480
 Digestion  180
 Disease resistance  164
 Dissolving  148, 449
 Disturbed land  123
 Disturbed soils  123
 Diurnal variation  7, 305
 Dolomite  67
 Dosage effects  96, 168, 270
 Double superphosphate  111
 Drainage water  67, 160
 Drinking water  55, 167
 Droplet size  308
 Drought  186, 196, 241, 254, 255, 259, 268
 Dry matter  175, 438
 Dry matter accumulation  111, 156, 226, 385, 401, 408
 Dry matter distribution  151, 226
 Dry season  128
 Drying  381
 Dryopteris affinis  174
 Duration  232, 379
 Earthworm channels  379
 Earthworms  128
 Eastern scotland  122, 134, 308, 346
 Ecological surveys  430
 Ecology  142, 430
 Economic impact  143, 358
 Ecosystems  18, 140, 148, 214, 304, 313, 318, 333, 344, 482, 488
 Ecotones  54
 Ectomycorrhizas  8, 146, 192, 407, 413
 Edaphic factors  80, 217, 495
 Effects  288
 Elaeis guineensis  128
 Electrical conductance  288
 Electrical conductivity  66
 Electrodes  496
 Electrolytes  207, 288, 354
 Emission  14, 48, 57, 81, 208, 329, 335, 336, 337, 343, 483
 Endophytes  156
 Endosulfan  347
 Energy consumption  18, 344
 England  320, 503
 Enumeration  314
 Environment  2
 Environmental assessment  18, 106
 Environmental degradation  219
 Environmental factors  80, 150, 217, 218, 335, 374, 469
 Environmental health  291
 Environmental impact  9, 18, 381, 458
 Environmental legislation  484, 493
 Environmental policy  14, 47, 81, 103, 114, 211, 235, 365, 396,
 425
 Environmental protection  486
 Environmental temperature  178
 Enzyme activity  1, 8, 31, 180, 214, 393
 Enzymes  116
 Epilobium  226
 Equilibrium  135
 Erica  206
 Eriophorum vaginatum  134
 Erosion  128
 Errors  495
 Establishment  406
 Ethnic foods  439
 Europe  93, 100, 114, 138, 143, 251, 343, 390
 Evapotranspiration  324
 Exchange acidity  300, 448, 449
 Exchangeable calcium  154
 Exchangeable cations  56, 82, 148, 300, 322, 324, 368, 409, 444,
 448, 449, 502
 Exchangeable sodium  154, 449
 Experimental design  374, 495
 Experimental equipment  71
 Experimental plots  119, 120, 215, 217, 407, 408, 409, 410, 411,
 412, 413, 414, 415, 416
 Exposure  15, 137, 256, 288
 Extraction  135
 Fagaceae  24
 Fagus  333, 461, 492
 Fagus sylvatica  112, 350, 436, 445
 Farming  364
 Farming systems  335
 Farming systems research  113
 Feeding behavior  260
 Feeding preferences  265
 Fertilizer requirement determination  355
 Fertilizers  48, 335, 378
 Festuca arundinacea  156
 Field experimentation  215, 495
 Finland  34, 188, 235, 236, 402, 429, 460
 Fire effects  186
 Fish populations  35
 Fishes  35, 363
 Flavor  439
 Florida  288, 301, 428
 Flow  65
 Flowering  226, 347
 Flowers  194
 Fluorine  184
 Fog  46, 101, 163, 173, 190, 226, 240, 272, 325, 373
 Foliage  191, 219, 299, 345, 400, 401, 403, 436
 Foliar application  185
 Foliar diagnosis  96, 173, 179, 240, 245, 410
 Foliar nutrition  173, 179, 242, 274, 276, 277
 Foliar uptake  295, 492
 Food packaging  439
 Food production  364
 Food quality  175, 439
 Food spoilage  439
 Forest borders  482
 Forest conservation  398
 Forest damage  4, 50, 70, 114, 137, 197, 246, 250, 455, 458, 462,
 475, 501
 Forest decline  119, 120, 168, 216
 Forest declines  263
 Forest ecology  75, 161, 229, 248, 249, 263, 302, 313, 476, 482,
 500
 Forest fires  336, 337
 Forest influences  229
 Forest litter  100, 140, 199, 219, 242, 304
 Forest management  150, 323
 Forest plantations  119, 120, 215, 217, 407, 408, 410, 411, 412,
 413, 414, 415, 416
 Forest plants  302
 Forest protection  348
 Forest reserves  98
 Forest resources  9
 Forest soils  8, 38, 39, 42, 43, 56, 68, 76, 80, 81, 90, 92, 110,
 114, 123, 125, 130, 135, 172, 176, 203, 207, 214, 232, 234, 235,
 237, 268, 271, 284, 287, 292, 322, 329, 332, 333, 369, 371, 384,
 387, 388, 389, 390, 409, 411, 412, 413, 414, 419, 423, 425, 426,
 432, 443, 444, 445, 446, 451, 455, 463, 464, 466, 467, 469, 471,
 477, 478, 500
 Forest trees  52, 74, 92, 108, 119, 120, 138, 216, 217, 247, 249,
 313, 330, 370, 388, 396, 435, 459, 465, 477
 Forestry  143, 358, 364
 Forests  38, 52, 66, 76, 79, 80, 81, 105, 112, 143, 160, 176,
 216, 245, 250, 282, 284, 286, 287, 292, 299, 309, 322, 323, 330,
 331, 332, 369, 371, 384, 396, 419, 422, 424, 425, 459, 464, 465,
 466, 467, 477
 Forests and forestry  43, 212, 248
 Formation  178
 France  112, 325, 396
 Freezing  354
 Freshwater fishes  504
 Fridericia  180
 Frost  267, 350
 Frost injury  31, 276, 277
 Frost resistance  288, 350
 Fruits  175, 194, 198
 Fumigation  325
 Fungal diseases  63, 164
 Gaeumannomyces  63
 Gas exchange  31, 46, 104, 108, 173, 224, 350, 354
 Gelderland  73, 305, 306
 Genetic variation  191
 Genotype environment interaction  241
 Genotypes  241, 394
 Geochemistry  112, 123, 148
 Geographical distribution  7, 150, 242, 251
 Geology  505
 Georgia  222, 463
 German federal republic  218, 426, 445, 492, 501
 Germany  462
 Glacial deposits  505
 Glacial till  319
 Gleditsia triacanthos  435
 Gley soils  148, 282
 Global warming  48, 106, 335
 Glucose  96, 329
 Glutathione  195, 393
 Glutathione peroxidase  393
 Glycine max  185, 289, 314, 353, 438
 Government publications  12
 Gradients  141, 305, 500
 Grain crops  128
 Gramine  394
 Grassland soils  329
 Grasslands  112, 285
 Greenhouse culture  377
 Greenhouse effect  48, 106, 131
 Greenhouse effect, Atmospheric  103
 Greenhouse gases  315
 Ground vegetation  408
 Groundwater  215, 262, 319, 376, 417
 Groundwater flow  376
 Groundwater pollution  45, 376
 Groundwater recharge  45
 Growing media  435
 Growth  7, 15, 31, 63, 71, 84, 124, 147, 151, 169, 253, 254, 255,
 256, 257, 259, 283, 288, 317, 323, 324, 326, 345, 403, 479
 Growth analysis  415
 Growth chambers  87, 104, 226, 241, 385
 Growth effects  415
 Growth models  204
 Growth rate  191, 200, 218, 261, 269, 350
 Growth rings  92, 218, 313, 317, 444
 Growth stages  427
 Habitat destruction  150
 Habitats  9
 Hamamelis Virginiana  245
 Hapludalfs  214, 379
 Hapludults  65
 Hardness  498
 Hardwoods  91, 124, 130, 242, 299, 339, 480
 Hawaii  55
 Health  211
 Health hazards  492
 Heathland  73, 79, 187, 205, 206, 285, 286, 386, 419, 424, 443
 Heathland soils  205
 Heavy metals  95, 152, 153, 346, 447
 Hedera helix  325
 Height  345
 Herbage  111
 Heterodera glycines  289
 Heterotrophic microorganisms  314
 High altitude  101, 308
 Historical records  386
 Hordeum  394
 Hordeum vulgare  63
 Horizons  36, 56, 140, 185, 220, 232, 321, 448, 449, 481
 Host parasite relationships  289
 Host plants  150
 Hplc  116
 Human activity  488
 Human ecology  486
 Humic acids  54, 469
 Humid tropics  128
 Humid zones  159
 Humus  148
 Hybrids  200
 Hydrogen  130, 451, 496
 Hydrogen ions  94, 110, 173, 225, 245, 318, 371, 449, 481, 500
 Hydrogen sulfide  55, 201
 Hydrogen-ion concentration  296, 405
 Hydrological factors  321, 451
 Hydrology  123, 220, 223
 Hydrolysis  152
 Hypoxylon  273
 Ilex aquifolium  163, 240
 Illinois  233, 273, 479
 In vitro p272
 Incentives  483
 Inceptisols  449, 469
 Incidence  366
 Increment  151, 257, 313, 317, 415
 India  347
 Indiana  113, 179, 273, 479
 Indicator plants  229, 275, 482
 Indicator species  237, 445
 Industrial wastes  492
 Infiltration  128, 362, 379
 Infrared radiation  399
 Inhibition  164, 214, 272
 Injuries  105, 136, 147, 168, 196, 301, 328, 352, 460
 Inorganic salts  232
 Insect attractants  342
 Insect pests  245, 247, 273
 Interactions  241, 289
 Interception  239, 401
 International cooperation  480
 Ion activity  207, 362
 Ion exchange  24, 56, 74, 362, 496
 Ion exchange capacity  184
 Ion strength effects  207
 Ion uptake  92, 324
 Ions  67, 239, 262, 320
 Iowa  152, 338
 Iron  181, 200, 207, 368
 Iron oxides  368, 463
 Irrigation  215, 426, 446
 Irrigation equipment  215
 Irrigation water  215, 355
 Isotope dilution  135
 Isotope labeling  234
 Italy  194
 Japan  201
 Kansas  131
 Kentucky  249, 275
 Kinetics  207
 Laboratory equipment  496
 Laboratory methods  449
 Lake states of U.S.A.  242
 Lakes  4, 69, 95, 182, 298, 346, 504
 Land clearance  128, 489
 Land productivity  128
 Land use  181, 211, 251, 252
 Larix leptolepis  232
 Larix occidentalis  326
 Larvae  188
 Leachates  74, 100, 140, 409, 449
 Leaching  54, 73, 74, 78, 122, 138, 140, 148, 163, 164, 184, 199,
 231, 232, 239, 283, 321, 322, 340, 362, 370, 375, 392, 397, 409,
 444, 449, 451, 461, 477
 Lead  152, 346
 Leaf area  168, 257, 299, 301, 347
 Leaf area index  299
 Leaf conductance  89, 267, 350, 354, 428
 Leaf diffusion resistance  295
 Leaf water potential  353
 Leaves  24, 74, 100, 134, 138, 164, 169, 174, 175, 179, 194, 195,
 196, 240, 281, 288, 295, 325, 328, 381, 394, 402, 438, 461, 496
 Legislation  50, 468
 Length  269, 438
 Lichens  145, 153, 197, 229, 485
 Light  267, 399
 Light relations  374
 Lignin  200, 219, 304
 Limestone  160
 Liming  42, 180, 181, 287, 409, 426, 445, 468
 Limnology  346
 Lines  394
 Liriodendron tulipifera  256
 Literature reviews  9, 38, 77, 78, 138, 145, 151, 172, 238, 250,
 313, 335, 344, 349, 355, 374, 422, 444, 459, 488
 Loads  69
 Lombardy  375
 Long term experiments  119, 120, 215, 217, 407, 408, 409, 410,
 411, 412, 413, 414, 415, 416, 429
 Losses from soil  100
 Losses from soil systems  451
 Lower saxony  90
 Lumbricus terrestris  231, 379
 Luvisols  184
 Lymantria dispar  260
 Lysimeters  215, 409
 Lysimetry  215, 409
 Macronutrients  381
 Macropore flow  231, 379
 Macropores  379
 Magnesium  3, 73, 84, 92, 100, 130, 146, 148, 179, 193, 225, 322,
 340, 427, 435, 444, 451, 461, 481, 500
 Maine  36, 140, 373, 383
 Maize soils  314
 Malus pumila  175, 194, 198
 Manganese  229, 368, 461
 Manihot esculenta  128
 Maple  132
 Mapping  39, 82
 Markets  143
 Mass media and the environment  486
 Mathematical models  113, 125, 362
 Maturity stage  87
 Measurement  65, 87, 305
 Medicago  111
 Medicago polymorpha  111
 Medicago sativa  185
 Meloidogyne hapla  289
 Meloidogyne incognita  289
 Meltwater  123
 Membrane permeability  173
 Mesostigmata  445
 Metabolites  400
 Metal ions  300
 Meteorological observations  18
 Meteorology  101
 Methane  48, 315, 344, 364, 453
 Michigan  91, 124, 249, 500
 Microbial activities  238, 368
 Microbial flora  420
 Microbiology  315
 Micrometeorology  134, 305, 306
 Microorganisms  426
 Mineral content  24, 74, 92, 95, 198, 239, 375, 401, 403, 406,
 410, 416, 444, 448
 Mineral cycle (Biogeochemistry)  75
 Mineral deficiencies  84, 105, 108, 109, 388
 Mineral nutrition  138, 374, 416
 Mineral soils  339
 Mineralization  333, 446, 469
 Mineralogy  178, 207
 Minerals  288
 Minimum tillage  63
 Minnesota  91, 124, 249, 500
 Mists  3, 101, 104, 129, 164, 183, 226, 385
 Mixed forests  100, 317, 429, 469
 Mobilization  95, 271
 Models  218, 318, 374, 453
 Modulation  289
 Modulus of elasticity  200
 Moisture content  498
 Moldboards  63
 Mollisols  152, 314
 Monitoring  219, 234, 458
 Montmorillonite  450
 Moor ecology  264
 Moorland  134, 181, 182, 308
 Moraine soils  500
 Mortality  273
 Mosses  150, 229, 386
 Mountain areas  54, 90, 219, 222, 317, 386, 446, 482
 Mountain forests  385, 389
 Mountain soils  56, 448, 449, 463
 Mountains  101, 104, 241, 308, 385
 Movement  184
 Movement in soil  56, 65, 135, 140, 148, 300, 379, 469, 500
 Musa  128
 Mushrooms  407
 Mutualism  156
 Mycorrhizal fungi  146, 192, 407
 Nardus stricta  112
 National parks  54, 482
 Necroses  175, 241
 Neodiprion sertifer  34, 188, 441
 Net assimilation rate  46, 84, 428Netherlands  57, 68, 79, 81, 86, 118, 125, 176, 182, 202, 203,
 204, 205, 206, 208, 234, 237, 284, 285, 286, 292, 304, 333, 424,
 425, 443
 Neutralization  319, 328, 448, 449
 Nevada  7
 New Brunswick  272
 New Hampshire  110
 New Mexico  446
 New York  56, 130, 183, 283, 339, 388, 389, 451, 478
 Nickel  152, 229
 Nigeria  128
 Nitrate  56, 101, 112, 141, 173, 267, 271, 369, 392, 393, 397,
 444, 451, 481, 500
 Nitrate nitrogen  66, 232, 329, 334
 Nitrate reductase  1, 31
 Nitrates  153, 234, 242, 318, 339, 449, 482
 Nitric acid  71, 267, 295, 331, 402, 429
 Nitric oxide  48, 224, 331
 Nitrification  56, 57, 238, 284, 333
 Nitrites  314
 Nitrogen  66, 71, 73, 125, 187, 193, 232, 234, 235, 242, 299,
 304, 322, 332, 338, 339, 386, 403, 426, 439, 500
 Nitrogen content  168, 219, 385, 386, 401
 Nitrogen cycle  23, 134, 176, 238, 330, 332, 333, 419, 443, 446
 Nitrogen dioxide  1, 92, 136, 174, 224, 331, 374, 392, 462
 Nitrogen fertilizers  31, 446
 Nitrogen fixation  197
 Nitrogen fixing bacteria  314
 Nitrogen metabolism  238
 Nitrogen oxides  52, 68, 118, 176, 208, 238, 315, 330, 331, 336,
 337, 419, 424, 425
 Nitrogen retention  232
 Nitrous oxide  131, 329, 335, 344, 349, 364, 446, 453, 488
 No-tillage  63, 113, 128, 159, 231, 376, 379
 North America  143, 251
 North Carolina  74, 89, 101, 222, 269, 270, 444, 469, 478, 482,
 495
 North central states of U.S.A.  249
 Northeastern states of U.S.A.  76, 77, 80, 92, 151, 220, 330,
 331, 332, 369, 370, 371, 384, 422, 444, 464, 465, 466, 467, 476,
 477
 Northern england  134, 187, 308
 Northern ireland  485
 Northern scotland  346
 Norway  76, 80, 92, 119, 120, 215, 216, 217, 330, 331, 332, 369,
 370, 371, 384, 390, 406, 407, 408, 409, 410, 411, 412, 413, 414,
 415, 416, 464, 465, 466, 467, 477, 502
 Norway spruce  491
 Nuclear polyhedrosis viruses  188, 441
 Nutrient availability  146, 204, 214, 304, 381, 387, 478, 500
 Nutrient content  3, 111, 149, 173, 193, 288, 338, 345, 381, 385,
 410, 416, 444, 500
 Nutrient deficiencies  355, 381, 427
 Nutrient nutrient interactions  381
 Nutrient requirements  71, 111
 Nutrient retention  65, 463
 Nutrient transport  122
 Nutrient uptake  73, 86, 111, 122, 204, 242, 284, 322, 326, 355,
 381, 410, 435, 437, 444
 Nutrients  451
 Nutrition physiology  151
 Nyssa sylvatica  245
 Objectives  343
 Oceanic climate “232
 Ohio  273, 319, 479
 Olfactory stimulation  342
 Ontario  76, 80, 92, 130, 186, 268, 298, 330, 331, 332, 339, 369,
 370, 371, 384, 464, 465, 466, 467, 477, 498
 Optimization  343
 Oregon  63
 Organic acids  24
 Organic compounds  140, 271
 Organic horizons  56
 Organomineral complexes  271
 Ornithopus  111
 Ornithopus compressus  111
 Ornithopus perpusillus  111
 Outbreaks  34
 Ova  34
 Overland flow  376
 Oxidation  314
 Oxidoreductases  214
 Ozone  42, 52, 71, 84, 87, 89, 96, 98, 101, 104, 106, 116, 136,
 141, 143, 146, 149, 151, 168, 176, 190, 191, 192, 193, 199, 202,
 214, 221, 224, 225, 238, 241, 254, 256, 257, 259, 260, 269, 270,
 288, 301, 317, 325, 342, 345, 349, 350, 354, 374, 385, 398, 399,
 400, 403, 404, 420, 427, 428, 447, 462, 475, 488, 495, 497
 Ozone depletion  329, 335
 OzoRecord - 30  258
 Pachysandra terminalis  496
 Pacific states of U.S.A.  326
 Paleoecology  346
 Particle size distribution  300
 Pasture plants  224
 Pastures  224, 329
 Pathogenicity  289
 Peat  368
 Peat soils  67, 417
 Peltigera aphthosa  197
 Peninsular malaysia  239
 Pennsylvania  65, 167, 245, 249, 256, 261
 Percolation  379
 Permeability  163, 496
 Peroxidases  393
 Persea Americana  288
 Ph  46, 65, 66, 67, 94, 95, 110, 138, 148, 160, 169, 173, 174,
 179, 191, 196, 198, 225, 233, 239, 240, 262, 267, 272, 314, 319,
 320, 328, 338, 347, 366, 368, 375, 378, 393, 461
 Phalaris  394
 Phaseolus lunatus  46
 Phenolic compounds  164, 200, 400
 Phenology  427
 Phosphates  65, 178, 449
 Phosphorus  8, 111, 193, 435
 Photochemical smog  310
 Photosynthesis  3, 15, 46, 84, 86, 89, 104, 108, 138, 151, 169,
 173, 270, 274, 345, 349, 350, 353, 354, 385, 428
 Photosystem i  169
 Photosystem ii  169
 Phyllitis scolopendrium  174
 Phylloplane fungi  402
 Phyllosphere  402
 Physicochemical properties  220, 373, 500
 Phytotoxicity  1, 15, 31, 42, 52, 71, 78, 79, 81, 86, 104, 136,
 138, 153, 168, 173, 175, 176, 177, 190, 192, 194, 196, 197, 198,
 206, 226, 229, 235, 241, 249, 301, 313, 317, 326, 328, 347, 374,
 406, 408, 428, 435, 436, 437, 438, 460, 462, 485, 496
 Picea  101, 276, 277, 461
 Picea abies  1, 8, 112, 147, 267, 295, 324, 325, 350, 375, 393,
 406, 410, 415, 416, 426, 445, 460, 462, 475
 Picea engelmannii  123, 326, 340
 Picea rubens  3, 31, 56, 70, 77, 78, 104, 151, 183, 190, 193,
 254, 274, 295, 342, 354, 373, 383, 385, 389, 393, 403, 422, 437,
 444, 476, 497
 Picea sitchensis  232, 308, 324
 Pigments  169
 Pigs  58
 Pine needles  24, 84, 96, 100, 129, 141, 149, 173, 183, 193, 199,
 200, 241, 259, 267, 269, 270, 301, 393, 399, 402
 Pines  149
 Pinus banksiana  200, 498
 Pinus contorta  200, 410, 415, 416
 Pinus echinata  96, 168, 275, 345
 Pinus elliottii  257, 258, 301, 387, 428
 Pinus jeffreyi  141, 317
 Pinus monophylla  7
 Pinus monticola  24
 Pinus ponderosa  87, 141, 173, 241, 259, 317
 Pinus resinosa  451, 498
 Pinus strobus  295
 Pinus sylvestris  34, 100, 122, 188, 199, 232, 237, 392, 397,
 402, 406, 410, 415, 416, 460
 Pinus taeda  71, 84, 89, 116, 129, 146, 191, 192, 214, 225, 255,
 269, 270, 387, 399, 400, 420, 427, 437, 495
 Plant analysis  116, 381
 Plant anatomy  196
 Plant communities  54, 177, 205, 285
 Plant competition  168, 206
 Plant composition  342, 400
 Plant density  150, 429
 Plant development  63
 Plant ecology  54, 229, 252, 404, 408
 Plant extracts  24, 394
 Plant height  191, 193, 254, 257, 261, 385, 415
 Plant morphology  129, 194, 301
 Plant nutrition  193, 355, 416
 Plant pathogenic fungi  366
 Plant physiology  71, 151, 349, 352, 404
 Plant succession  146, 285
 Plant tissues  46, 295, 436
 Plant water relations  138, 254
 Plants  177
 Plants, Effect of acid deposition on  43, 348, 398, 487
 Plants, Effect of acid precipitation on  59
 Plants, effect of acid precipitation on  158
 Plants, Effect of acid precipitation on  244, 263, 372, 452
 Plants, Effect of air pollution on  263
 Plants, Effect of soil acidity on  85
 Plants, Effects of acid deposition on  170
 Platanus acerifolia  164
 Plateaus  275
 Plecoptera  253
 Plowing  63
 Poa alpina  226
 Pods  438
 Podzolic soils  135
 Podzols  148, 300, 471
 Poland  39
 Poles  498
 Pollen  233
 Pollen germination  272
 Pollination  233
 Pollutants  4, 48, 52, 90, 141, 174, 259, 313, 317, 320, 346,
 453, 480, 483, 492, 500
 Polluted soils  500
 Pollution  2, 18, 25, 37, 40, 43, 84, 136, 147, 148, 169, 273,
 355, 482, 486
 Polyphenols  200
 Polypodium  174
 Population decrease  150
 Population dynamics  402
 Population ecology  314, 407
 Populus grandidentata  328
 Populus tomentosa  281
 Pore volume  65
 Potassium  73, 130, 148, 179, 193, 322, 340, 381, 383, 451, 461,
 500
 Potassium chloride  207
 Potassium fertilizers  451
 Potassium sulfate  65, 207, 381
 Potatoes  372
 Precipitation  63, 113, 148, 218, 334, 338, 344, 448, 449, 451,
 500
 Prediction  320, 344, 481
 Pressing  381
 Productivity  256, 358, 364
 Profiles  90, 300
 Protection of forests  489
 Protein content  347
 Protozoa  412
 Prunus serotina  245, 256
 Pseudomonas  314
 Pseudotsuga menziesii  86, 204, 305, 326, 340, 397, 446
 Public health  493
 Pythium  63
 Quantitative analysis  319, 381
 Quebec  207, 328, 381
 Quercus  273, 333
 Quercus alba  245, 255, 260, 479
 Quercus robur  397
 Quercus rubra  245, 256, 260, 261, 436
 Quercus velutina  479
 Rain  24, 74, 111, 128, 159, 180, 197, 225, 231, 262, 282, 375,
 376, 378, 379
 Rainfall simulators  288
 Raphanus sativus  195, 374
 Rapid methods  381
 Ratios  381
 Recovery  36
 Reducing sugars  96
 Reduction  368
 Reference standards  381
 Reflectance  399
 Reforestation  487
 Refuse and refuse disposal  211
 Regional surveys  220
 Regulations  484
 Remote sensing  136
 Reproduction  174, 253
 Research  71, 374
 Research policy  106, 249, 250
 Research projects  42, 76, 80, 81, 92, 235, 249, 292, 330, 331,
 332, 369, 371, 384, 387, 388, 389, 390, 455, 464, 465, 466, 467,
 475, 477, 478
 Respiration  3, 104, 274, 385
 Responses  15, 256
 Retention  368, 498
 Returns  113
 Reviews  105, 108, 109, 352, 404
 Rhizoctonia  63
 Rhizosphere  185, 201, 214, 225, 401
 Rhizosphere fungi  401
 Ridging  113, 159
 Rivers  4
 Root crops  128
 Root rots  63
 Root shoot ratio  156, 226
 Rooting depth  3, 159
 Roots  8, 122, 146, 147, 156, 185, 191, 193, 226, 254, 259, 326,
 435, 436, 437, 451
 Rotations  113, 152
 Runoff  128, 160, 167, 282, 334, 376, 378, 470
 Runoff water  417, 470
 Russeting  175
 Salix  24
 Salix purpurea  240
 Sampling  445
 Sandy loam soils  500
 Sandy soils  148, 451, 500
 Sasa  201
 Saturation  334
 Saturation percentage  505
 Savanna soils  94
 Savannas  94
 Scotland  181, 232, 323, 324, 359
 Screening  438
 Sea water  470
 Seasonal fluctuations  8
 Seasonal variation  7, 104, 271, 393, 399, 427, 428, 469
 Seasonality  426
 Sediment  319, 346
 Seed banks  429
 Seed germination  406
 Seed size  438
 Seedling emergence  159
 Seedling growth  3, 193, 270, 406, 435, 436, 437, 497 Seedlings 
 3, 31, 71, 89, 104, 116, 129, 146, 173, 191, 192, 193, 214, 225,
 241, 254, 255, 256, 259, 267, 269, 270, 295, 345, 350, 366, 385,
 403, 427, 429, 460, 495
 Seeds  111
 Selenium  158
 Semiarid climate  63
 Semiarid zones  159
 Senescence  168, 301
 Set  175
 Shoots  156, 226, 254, 354, 436
 Siberia  229
 Silt  500
 Simulation  3, 65, 153, 173, 180, 183, 185, 193, 195, 231, 254,
 340, 345, 347, 377, 403
 Simulation models  68, 82, 148, 182, 202, 203, 204, 206, 208,
 271, 286, 308, 309, 319, 320, 321, 323, 324, 359, 424, 425, 478,
 481, 497 Site factors  80, 217, 261, 275
 Size  174
 Smell  342
 Smelting furnaces  209, 312, 473
 Snow  351, 442
 Social costs  364
 Social impact  358
 Sodium  470
 Sodium chloride  207
 Sodium sulfate  207
 Soilư 154, 319, 338
 Soil acidification  23, 43, 102, 162, 431
 Soil acidity  39, 57, 68, 79, 82, 86, 90, 110, 118, 119, 120,
 148, 176, 180, 184, 185, 203, 205, 208, 214, 284, 286, 292, 321,
 323, 324, 326, 333, 378, 406, 407, 408, 409, 410, 411, 412, 413,
 414, 415, 416, 419, 424, 425, 432, 443, 444, 445, 455, 468, 501
 Soil air  131
 Soil alkalinity  268, 323, 324
 Soil amendments  329
 Soil analysis  65, 135, 222, 234, 300, 451
 Soil arthropods  445
 Soil bacteria  314, 401
 Soil biology  180, 238, 426
 Soil chemistry  38, 56, 123, 130, 172, 178, 201, 203, 204, 207,
 225, 371, 384, 388, 389, 390, 409, 414, 447, 502
 Soil classification  220
 Soil depth  67, 123, 184, 271, 417, 463
 Soil enzymes  214
 Soil fauna  237
 Soil fertility  128, 193, 255, 322, 328, 410, 427, 446, 488
 Soil flora  199, 219, 411, 413, 420
 Soil formation  505
 Soil fungi  314, 407
 Soil insects  54
 Soil invertebrates  412
 Soil management  23
 Soil organic matter  100, 417, 448, 463, 469, 471, 500
 Soil ph  110, 111, 123, 140, 152, 154, 184, 185, 207, 214, 255,
 271, 300, 314, 321, 322, 323, 324, 401, 411, 412, 413, 414, 417,
 425, 426, 448, 449, 469, 471, 481
 Soil physical properties  172, 448
 Soil pollution  36, 52, 68, 82, 90, 100, 114, 172, 184, 204, 205,
 214, 222, 232, 235, 268, 271, 314, 318, 320, 401, 424, 469
 Soil properties  261, 283, 339, 417, 426
 Soil solution  56, 123, 135, 140, 152, 262, 271, 444, 451, 481,
 502 Soil strength  159
 Soil structure  128
 Soil surveys  220, 503
 Soil temperature  140, 159, 232, 469
 Soil texture  65, 505
 Soil treatment  323
 Soil types  113, 335, 502
 Soil types (genetic)  463
 Soil variability  220
 Soil water  63, 160, 220, 259, 319, 321, 374
 Soil water content  300, 423, 469
 Soil water movement  94, 231, 321, 502
 Soil water regimes  282
 Soils  85
 Solar radiation  299
 Solubility  116, 140, 152, 184, 362
 Solubilization  368
 Solutes  123, 362
 Solutions  340
 Sorghum bicolor x sorghum sudanense  401
 Sorption  207, 362
 Sorption isotherms  65, 140, 152, 207, 448, 463
 South Carolina  168, 222
 South east england  224
 Southeastern states of U.S.A.  76, 80, 92, 149, 214, 330, 331,
 332, 369, 370, 371, 384, 387, 464, 465, 466, 467, 477
 Southern plains states of U.S.A.  378
 Southern states of U.S.A.  422
 Sowing depth  159
 Soybean  115, 506
 Spacing  374
 Spatial distribution  150, 295, 502
 Spatial variation  56, 150, 261, 317, 463, 469
 Species  150
 Species differences  111, 173, 232, 240, 436
 Species diversity  219
 Spectrometry  381
 Spectroscopy  169
 Spinacia oleracea  496
 Spodosols  36, 130, 140, 207, 500
 Spoil banks  487
 Spore germination  164, 174
 Spores  174
 Spread  7
 Spruce budworm  244
 Stagnopodzols  321
 Stand characteristics  313
 Stand development  387
 Stand structure  309, 397
 Starch  96, 173
 Stemflow  74, 94, 122, 239, 451
 Stems  191, 245, 257, 259, 269
 Stomata  89, 224, 267, 295, 350, 392, 428
 Stomatal movement  173
 Stomatal resistance  46, 108, 295, 349
 Storage life  439
 Storms  231, 282, 379
 Strains  111
 Stream flow  282
 Streamflow  99
 Streams  66, 90, 110, 160, 181, 186, 253, 320, 321, 323, 324,
 359, 502
 Stress  257, 354, 459
 Stress factors  138, 246, 374
 Stress response  87, 257, 353, 479
 Strontium  379
 Structure  163
 Subalpine forests  56, 123
 Subsoil  131, 463
 Subtropics  355
 Sucrose  96
 Sulfate  65, 73, 101, 112, 122, 135, 140, 173, 207, 219, 220,
 229, 235, 261, 267, 271, 308, 369, 383, 392, 393, 397, 423, 448,
 449, 451, 463, 465, 466, 469, 470, 471, 481, 500
 Sulfates  69, 153, 186, 222, 242, 245, 318, 339, 355, 482 Sulfur 
 39, 66, 73, 125, 141, 182, 193, 200, 235, 236, 242, 338, 339,
 355, 401, 464, 465, 466, 467, 468, 469, 470, 500
 Sulfur dioxide  52, 68, 73, 81, 92, 93, 100, 118, 122, 133, 136,
 174, 176, 199, 202, 205, 208, 218, 229, 245, 256, 275, 281, 284,
 285, 286, 349, 374, 392, 404, 419, 424, 425, 462, 464, 465, 466,
 467, 468, 483, 493 Sulfur fertilizers  355
 Sulfuric acid  52, 185, 215, 267, 402, 429, 449, 465
 Sulphur  60, 126, 213, 452
 Sulphur cycle  23
 Sulphur dioxide  98, 117, 158, 209, 307
 Sulphur oxides  297
 Superphosphate  111
 Surface layers  379, 463
 Surface water  123, 182, 220, 222, 262, 502
 Survival  34
 Susceptibility  46, 164, 173, 174, 188, 273, 435, 436, 437, 438,
 441
 Sustainability  128, 364
 Swamp soils  268
 Sweden  42, 150, 197, 300, 322, 334, 392, 417, 470, 471
 Switzerland  475
 Symptoms  105, 301, 366
 Synoptic meteorology  230
 Taiga soils  148
 Tannins  400
 Taxus baccata  240
 Temperate climate  232
 Temperate zones  8
 Temperature  218, 272, 344, 368, 374, 453
 Temporal variation  56, 67, 128, 182, 261, 313, 317, 379, 463,
 479, 480
 Tennessee  84, 222, 274, 444, 478
 Texture  439
 Thickness  183
 Thiosulfates  314
 Throughfall  24, 73, 74, 91, 94, 122, 239, 242, 262, 339, 375,
 383, 392, 397, 451, 470, 482
 Thuringia  82
 Tillage  113, 159
 Timbers  143
 Time  300
 Topsoil  159
 Toxic substances  492
 Toxicity  394, 450
 Trace elements  95, 381
 Trachypogon  94
 Traditional farming  128
 Transboundary pollution  380, 454
 Transformation  469
 Translocation  427, 437
 Transmittance  299
 Transpiration  1, 7, 173, 270
 Transplanting  169
 Transport processes  65, 207, 271, 379
 Transportation  243
 Trauma  4
 Trees  109, 124, 157, 169, 348, 398
 Trends  335, 359
 Trifolium repens  136
 Trifolium subterraneum  111
 Trirhabda  265
 Tropical forests  239, 488, 489
 Tropical rain forests  128, 262, 329
 Tropics  355
 Trunks  245
 Tundra  229
 U.S.A.  2, 47, 106, 114, 124, 247, 364, 480, 483, 484, 493
 U.S.S.R.  236
 Udic regimes  500
 Uk  199, 481
 Ultisols  128, 463
 Ultrastructure  194, 196
 Universities and colleges  139
 Upland areas  282, 359
 Upland soils  67
 Uptake  451
 Uptake mechanisms  492
 Urban environment  239
 Use efficiency  111
 Utrecht  397
 Validity  362
 Variation  46
 Varieties  399
 Variscite  178
 Vegetation  105, 136, 177, 252, 285, 286, 292, 381
 Venezuela  94
 Viability  174, 233
 Vicia faba  347
 Vigna mungo  15
 Vigna unguiculata  15
 Vigor  245
 Virginia  104, 193, 385
 Volatile compounds  342
 Volcanic activity  201
 Volcanic areas  55
 Volume  257, 379
 Wales  4, 160, 282, 321
 Washington  76, 80, 92, 330, 331, 332, 369, 370, 371, 384, 464,
 465, 466, 467, 477
 Waste gases  48
 Water  64, 139, 211, 361, 440, 472, 492
 Water allocation  364
 Water chemistry  11, 44, 351, 434
 Water content  354
 Water flow  463, 502
 Water harvesting  55
 Water management  376
 Water pollution  55, 66, 69, 95, 160, 186, 219, 222, 298, 318,
 320, 346, 463
 Water potential  254
 Water quality  90, 95, 99, 167, 181, 287, 323, 359, 376, 378, 417
 Water resources  364
 Water resources development  139
 Water stress  113, 129, 233, 241, 254
 Water supply  167
 Water use efficiency  7
 Water vapor  101, 308
 Water, Underground  44, 139
 Watersheds  66, 90, 110, 112, 140, 142, 160, 165, 181, 186, 220,
 222, 271, 282, 320, 323, 324, 334, 359, 417, 463, 469, 470, 472,
 481
 Wax coatings  163
 Waxes  190, 193, 325, 373
 Weather patterns  18
 Weathering  110, 112, 123, 220, 322, 449, 451, 481
 Weight  435
 West midlands of england  187
 West scotland  287, 485
 West Virginia  66, 253
 Western australia  111
 Western states of U.S.A.  52, 432
 Wet season  128
 Wettability  163, 190, 373
 Whole tree logging  110
 Wild animals  9
 Wildfires  186, 336, 337
 Wildlife  9
 Wildlife research  10
 Winter  267, 334
 Winter hardiness  350
 Winter kill  70
 Wisconsin  91, 95, 124, 137, 246, 468, 504, 505
 Woodland grasslands  94
 Woodlands  429
 Wyoming  219, 448, 449
 X ray fluorescence  381
 Xylem  7, 275
 Xylem water potential  255
 Zea mays  113, 159, 185, 196, 231, 233, 314, 379
 Zimbabwe  159
 Zinc  152, 229, 346
 Zooplankton  298
 
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