Code Tables used with Intertidal/Subtidal Organisms and Habitats (F100) 0072 PRESERVATION ---- -------------------- -- BLANK - NO INFORMATION 1 -- LIVE, OR JUST DEAD 2 -- DEAD, BUT FRESH 3 -- FROZEN, THEN THAWED 4 -- PRESERVED IN FORMALIN 0073 NORMAL/ABNORMAL ---- -------------------- -- BLANK - NO INFORMATION 1 -- NORMAL 2 -- FINROT 3 -- NEMATODES 4 -- FIN ROT AND NEMATODES 5 -- TUMOR BEARING 6 -- TUMOR BEARING AND FIN ROT 7 -- TUMOR BEARING AND NEMATODES 8 -- FIN ROT, NEMATODES, AND TUMOR BEARING 0075 GEAR TYPE (100) ---- -------------------- -- BLANK - NO INFORMATION 01 -- 4.9M (16FT.) TRAWL NET WITH 3.8 TO .6CM (1 1/2 TO 1/4 IN.) MESH 02 -- 14M (46FT.) TRAWL NET WITH 5.7 TO .6CM (2 1/2 TO 1/4IN.) MESH 03 -- 9.2M (30FT.) BEACH SEINE WITH .6CM (1/4IN.) MESH BAG 04 -- 36.6M (120FT.) BEACH SEINE WITH .6CM MESH BAG (SINKING NET) 05 -- 36.6M (120FT.) BEACH SEINE WITH .6CM MESH BAG, EQUIPPED WITH FLOTATION SUFFICIENT TO MAINTAIN NET AT THE WATER'S SURFACE 06 -- 3.1M X 6.1M (10 X 20FT.) TOW NET WITH 7.6 TO .6CM (3 TO 1/4IN.) MESH 07 -- TRAMMEL NET WITH 50.8CM (20IN.) LARGE MESH AND 5.1CM (2IN.) SMALL MESH 08 -- GILL NET 09 -- SCUBA COLLECTIONS BY SPEAR, HAND, OR SLURP GUN 10 -- SCUBA TRANSECT OBSERVATIONS 11 -- ROTENONE OR OTHER NARCOTIC COLLECTIONS 12 -- HAND COLLECTIONS 13 -- PLANKTON PUMP WITH 209 NM AND 500 NM MESHED NETS 14 -- QUADRAT (50CM X 50CM) - SURFACE SCRAPINGS ONLY 15 -- QUADRAT (50CM X 50CM) - TO A DEPTH OF 15 CM 16 -- QUADRAT (50CM X 50CM) - TO A DEPTH OF 30 CM 17 -- QUADRAT (22.5CM X 22.5CM) TO A DEPTH OF 15CM 18 -- QUADRAT (50CM X 50CM) SURFACE ONLY - SCRAPINGS BY SCUBA 19 -- VAN VEEN GRAB SAMPLER (31.6CM X 31.6CM) 20 -- CIRCULAR CORE, 7.5CM DIAMETER TO A DEPTH OF 15 CM 21 -- VAN VEEN GRAB SAMPLER (17.3CM X 17.3CM) 22 -- SURFACE CORING DEVICE 23 -- 70 CM BONGO NET ( BOTH MESH - 505 MIC.) 24 -- 70 CM BONGO NET ( BOTH MESH - 333 MIC.) 25 -- 70 CM BONGO NET (MESH 505 AND 333 MIC.) 26 -- AIRLIFT SYSTEM TO 1 MM MESH BAG 27 -- AIRLIFT SYSTEM TO 1/2 MM MESH BAG 28 -- QUADRAT ( 10 CM X 10 CM ),SURFACE SCRAPING ONLY 29 -- QUADRAT (.20 M2) ,SURFACE SCRAPING ONLY. THIS IS A STANDARD .25 M2 QUADRAT WITH FIVE .01 M2 QUADRATS RANDOMLY REMOVED 30 -- PURSE SEINE-250 FATHOMS LONG, 15 FATHOMS DEEP (475 MESHES); 4 INCH STRETCH EXCEPT FIRST 100 MESHES BELOW CORKLINE WHICH HAS 5 INCH STRETEH. BUNT IS 10 FATHOMS LONG, 200 MESHES DEEP, 31/2 INCH STRETCH MESH. 31 -- QUADRAT ( 22.5 CM X 11.25 CM )-TO A DEPTH OF 15 CM. 32 -- VAN VEEN GRAB SAMPLER (SAME AS CODE 19, BUT PARTITIONED ROUGHLY INTO TWO HALVES) 33 -- DISSOLVED HYDROCARBON SAMPLING DEVICE - ONE GALLON 34 -- PLANKTON PUMP WITH 209 U MESH NET ONLY 35 -- PLANKTON PUMP WITH 505 U MESH NET ONLY 36 -- HOOK AND LINE - SPORT 37 -- COMMERCIAL TROLLING GEAR 38 -- GOFLOW BOTTLE, 10 L, TEFLON COATED 39 -- VAN VEEN GRAB, STAINLESS STEEL, 1/25 SQ METER 40 -- PURSE SEINE - 1650 FT LONG BY 120 FT DEEP WITH .75 INCH STRETCH MESH (HERRING SEINE) 41 -- AIRLIFT CORES .05M2 BY 15CM DEEP, SIEVED INTO A .7MM MESH BAG 42 -- .20M2 QUADRAT SURFACE ONLY, FOR SELECTED INVERTEBRATES > 1CM 43 -- .25M2 AIRLIFT SCRAPE TO A 0.7MM MESH BAG 44 -- .25M2 AIRLIFT SCRAPE FOR SELECTED ANIMALS > 1CM 45 -- .05M2 QUADRAT SURFACE SCRAPINGS ONLY, 2MM SIZE ORGANISMS OR GREATER 46 -- QUADRAT (22.5CM BY 22.5CM) TO A DEPTH OF 15CM, 2MM ORGANISMS OR GREATER 47 -- QUADRAT (50CM BY 50CM) SURFACE ALGAE SCRAPES ONLY, 2MM SIZE ORGANISMS OR GREATER 48 -- SMITH-MCINTYRE GRAB 49 -- PISTON CORER 50 -- .5 METER DIAMETER PLANKTON NET, 505U MESH(6:1 AREA ASPECT RATIO) 51 -- .05M2 (22.5CM BY 22.5CM) AIRLIFT SCRAPE TO .7MM MESH BAG FOR ORGANISMS GREATER THAN OR EQUAL TO 1MM 52 -- PURSE SEINE 200 FT LONG BY 9 FT DEEP, 1/4 INCH MESH 53 -- BEACH SEINE 60 FT LONG BY 9 FT DEEP, 1/16 INCH MESH 54 -- PLANKTON PUMP (CREDDP) EQUIPPED WITH A 130U, 253U AND 500U MESH NET, .1M2 SAMPLING AREA TIMES .025 M3 SAMPLING VOLUME 55 -- FRI-CREDDP EPIBENTHIC SLED,0.25M2, EQUIPPED WITH TWO 0.12M2 (130U) NETS 56 -- FRI-CREDDP EPIBENTHIC SLED,0.25M2, EQUIPPED WITH ONE 0.25M2 (130U) NET 57 -- FRI-CREDDP EPIBENTHIC SLED,0.25M2, EQUIPPED WITH ONE 0.25M2 (253U) NET 58 -- FRI-CREDDP EPIBENTHIC SLED,0.25M2, EQUIPPED WITH ONE 0.12M2 (130U) NET AND ONE 0.12M2 (253U) NET 59 -- FRI-CREDDP EPIBENTHIC SLED,0.25M2, EQUIPPED WITH TWO 0.12M2 (253U) NET 60 -- PURSE SEINE, 7 METERS DEEP BY 60 METERS LONG;MESH SIZE WINGS AND BODY 1 IN, BUNT END .25 IN AND .5 IN KNOTLESS NYLON 61 -- 0.1M2 EPIBENTHIC PLANKTON PUMP WITH 130U NET FRACTION OF 3 NETS 62 -- 0.1M2 EPIBENTHIC PLANKTON PUMP WITH 253U NET FRACTION OF 3 NETS 63 -- 0.1M2 EPIBENTHIC PLANKTON PUMP WITH 500U NET FRACTION OF 3 NETS 64 -- 0.1M2 EPIBENTHIC PLANKTON PUMP WITH 130U NET ONLY, UNNESTED 65 -- 20CM BONGO NET (WITH 253U MESH NET) 66 -- QUADRAT, .2M2 (50CMX50CM), SURFACE SCRAPES ONLY FOR ALGAE > 1MM HAS ONE .05M2 SURFACE SCRAPE REMOVED FROM THE CENTER 67 -- .05M2 SURFACE SCRAPE FOR ORGANISMS > 1MM 68 -- HAND SEINE, 4.3M LONG, 1.2M DEEP WITH 0.32CM MESH 69 -- BEACH SEINE, FIVE 3.05M SECTIONS, TWO OUTER HAVE 2.54CM MESH, NEXT TWO HAVE 1.27CM MESH, CENTER SECTION HAS 0.64CM MESH, 1.83CM DEEP 70 -- ROUNDHAUL SEINE 91.5M LONG, 6.86M DEEP, 9.15M BUNT WITH 0.64CM MESH, BODY HAS 1.91CM MESH 71 -- OTTER TRAWL 3.05M LEAD LINE, BODY HAS 1.91CM MESH USED WITH 3.50MM MESH LINER 72 -- MINNOW TRAPS 40.0CM LONG, 20.0CM WIDE, 2.0CM OPENING, 3.0MM MESH 73 -- HOOP NETS, HOOP HAS 2.50MM MESH USED WITH TWO CLEATS: ONE 24.4M X 1.83M WITH 1.27CM MESH, ONE 24.4M X 2.44MM WITH 1.91CM MESH 74 -- PLANKTON NET 0.5M DIAMETER, 0.560MM MESH SIZE 75 -- PLANKTON NET 0.3M DIAMETER, 0.243MM MESH SIZE 76 -- EKMAN DREDGE 15.24CM X 15.24CM OPENING OR 0.023SQ.M AREA, SAMPLES SIEVED WITH 1.27CM AND 2.54CM SIEVES 77 -- MODIFIED HESS SAMPLER, 14.9CM DIAMETER, 5CM DEEP WITH A 280 MICRON MESH NET 78 -- STACKED DRIFT NETS, 30.5CM SQUARE MOUTH OPENING, 111.8CM LONG WITH A 280 MICRON NET 79 -- ELECTROSHOCKER 80 -- EPIBENTHIC PUMP, (ELECTRIC MINI-PUMP) SAMPLES 63.6 SQ.CM., INTAKE FILTERED THRU A 125U SCREEN 81 -- SURFACE SAMPLE: HAND PICKED: 0.25M2 (50X50 CM QUADRAT), FOR ALGAE (VARIABLE SIZE),ALGAE ASSOCIATED ANIMALS >1MM AND SELECTED NON-ENCRUSTING ANIMALS (VARIABLE SIZE). DEAD SIEVED TO 1MM. 82 -- SURFACE SAMPLE: HAND PICKED: 0.20M2 (50X50 CM QUADRAT, WITH 5 RANDOM 10X10CM SUBSAMPLES REMOVED), FOR ALGAE (VARIABLE SIZE), ALGAE ASSOCIATED ANIMALS >1MM AND SELECTED NON-ENCRUSTING ANIMALS (VARIABLE SIZE). DEAD SIEVED TO 1MM. 83 -- SURFACE SCRAPE: 0.20M2 (50X50CM QUADRAT WITH 5 RANDOM 10X10CM SUBSAMPLES REMOVED), FOR ALGAE >1MM. DEAD SIEVED TO 1MM. 84 -- SURFACE SCRAPE: 0.01M2 (10X10CM RANDOM SUBSAMPLES FROM A 50X50CM QUADRAT FROM WHICH BIOTA HAVE BEEN HAND PICKED), FOR ALGAE AND ANIMALS >1MM 1CM. SORTED FROM 1 OR 2MM DEAD SIEVED MATERIAL. 86 -- SURFACE SAMPLE: 0.01M2 (10X10CM RANDOM SUBSAMPLE FROM A 50X50CM QUADRAT), FOR SELECTED ANIMALS >1CM. SORTED FROM 1MM DEAD SIEVED MATERIAL. THESE DATA ARE REDUNDANT. SEE TEXT RECORDS. 87 -- AIRLIFT SCRAPE: 0.25M2 (50X50CM QUADRAT: LIVE SIEVED TO 0.7MM, DEAD SIEVED TO 1MM, 0.05M2 REMOVED FROM CENTER IN THE FIELD, BUT ALGAE RECOMBINED IN LAB PROCESSING). FOR ALGAE >1MM. 88 -- AIRLIFT SCRAPE: 0.25M2 (50X50CM QUADRAT), FOR ALGAE AND ANIMALS >2MM. LIVE SIEVED TO 1MM, DEAD SIEVED TO 2MM. 89 -- AIRLIFT CORE SAMPLE: 0.05M2X15CM (22.5X22.5X15CM), FOR ANIMALS >2MM. LIVE SIEVED TO 1MM, DEAD SIEVED TO 2MM. 90 -- TRAWL, SCCRWP, 25 FT (7.62M) 91 -- EPIBENTHIC HAND NET, 14 CM MOUTH OPENING, 100 MICROMETER MESH 92 -- 20 CM ZOOPLANKTON RING NET, 130 MICROMETER MESH 93 -- 3 LITER VAN DORN WATER SAMPLER BOTTLE 94 -- EPIBENTHIC ZOOPLANKTON PUMP, 0.016 M2, 130U MESH 95 -- WATER COLUMN ZOOPLANKTON PUMP 1 LITER/SEC 96 -- 0.5M PLANKTON NET WITH 0.333MM MESH 97 -- TIDAL INUNDATION POT (TIP, 11.34 CM2 OPENING, 300 ML VOLUME) 98 -- EPIBENTHIC (HOL) MESOPUMP, 179 CM2 WITH 130 MICROMETER SCREEN 99 -- SEAGRASS SECTION (USUALLY 10 CM), SAMPLED FOR EPIPHYTES AND EPIFAUNA. A1 -- EPIBENTHIC PLANKTON SLED, 30 CM DIAMETER, 253 MICRON MESH 0082 LENGTH ---- -------------------- -- BLANK - NO INFORMATION 1 -- TIP OF SNOUT TO FORK OF TAIL 2 -- MIDEYE TO FORK OF TAIL 3 -- TIP OF SNOUT TO HYPURAL PLATE 4 -- MIDEYE TO HYPURAL PLATE 5 -- TOTAL LENGTH (EXTREMITY TO EXTREMITY) 6 -- SNOUT TO SECOND DORSAL ( RATFISH...) 7 -- ESTIMATED TOTAL LENGTH,PART OF CAUDAL MISSING 8 -- APERTURE LENGTH 9 -- RADIUS A -- REGULAR DIAMETER B -- LENGTH OF CARAPACE(BACK OF RIGHT EYE SOCKET TO END OF CARAPACE FOR KOREAN HORSEHAIR CRABS; BASE OF OF EYESIGHT TO MID-DORSAL POINT FOR SHRIMP) C -- WIDTH OF CARAPACE (WIDEST POINT EXCLUDING SPINES) D -- METASOME LENGTH E -- WIDTH OF CARAPACE (WIDEST POINT INCLUDING SPINES) M -- MUTILATED, NOT ACCURATELY MEASUREABLE (PART OF SPECIMEN MISSING) 0087 FIN ROT ---- -------------------- -- BLANK - NO INFORMATION 0 -- NO FIN ROT 1 -- SLIGHT (JUST STARTING) 2 -- MODERATE ( NOT EXTENDING TO BODY ANYWHERE) 3 -- SEVERE (EXTENDING TO BODY) 4 -- ESSENTIALLY TOTAL 0090 AGE METHOD ---- -------------------- -- BLANK - NO INFORMATION 0 -- UNDETERMINED 1 -- OTOLITH READING 2 -- SCALE READING 3 -- OTOLITH AND SCALE 4 -- LENGTH 0091 SEX MATURITY ---- -------------------- -- BLANK - NO INFORMATION 0 -- INDETERMINABLE 1 -- IMMATURE - GONADS SMALL (BARELY DETERMINE SEX), APPARENTLY HAS NOT SPAWNED FOR THE FIRST TIME 2 -- MATURING - OVARIES SMALL TO LARGE, EGGS ALL OPAQUE OR MIXTURE OF OPAQUE AND TRANSPARENT EGGS OR MOSTLY TRANSPARENT EGGS, TESTES SWELLING 3 -- SPAWNING - EGGS AND MILT RUNNING 4 -- SPENT - OVARIES AND TESTES FLACID 5 -- SEXUALLY INACTIVE - ADULTS WITH GONADS FIRM AND SHAPED 6 -- ANIMAL MATURE, GONAD IMMATURE 7 -- MATURE (RIPENESS, DEVELOPED) 8 -- QUIESCENT - EGGS PRESENT TRANSLUCENT, VERY SMALL BUT NOT DEVELOPING 9 -- SPONGE - EGGS PRESENT, FERTILIZED, HELD ON OUTSIDE OF BODY READY FOR HATCHING (CRAB AND SHRIMP) D -- AMPOULE DEVELOPED - (CRAB AND SHRIMP) E -- NO AMPOULE (CRAB AND SHRIMP) F -- AMPOULE DEVELOPING (CRAB AND SHRIMP) 0092 STOMACH FULLNESS ---- -------------------- -- BLANK - NO INFORMATION 1 -- EMPTY 2 -- TRACE OF PREY ORGANISMS 3 -- 25% FULL 4 -- 50% FULL 5 -- 75% FULL 6 -- 100% OR FULL 7 -- DISTENDED 0095 COLLECTION ---- -------------------- -- BLANK - NO INFORMATION 1 -- MEASURED AND FOUND (EXAMINATION MADE AND CHARACTERISTIC IS PRESENT) 2 -- MEASURED AND COLLECTED (OBSERVATION MADE) 3 -- MEASURED AND NOT FOUND (OBSERVATION MADE AND CHARACTERISTIC NOT PRESENT) 4 -- NOT MEASURED (OBSERVATION NOT MADE) N -- NO Y -- YES 0101 SEX ---- -------------------- -- BLANK - NO INFORMATION 0 -- INDETERMINABLE 1 -- MALE 2 -- FEMALE 3 -- HERMAPHRODITE 4 -- TRANSITIONAL 5 -- GROUPED,BOTH SEXES PRESENT 6 -- HERMAPHRODITIC, FUNCTIONAL FEMALE 7 -- HERMAPHRODITIC, FUNCTIONAL MALE 0117 DECISION ---- -------------------- -- BLANK - NO INFORMATION N -- NO Y -- YES 0148 LIFE HISTORY ---- -------------------- -- BLANK - NO INFORMATION 0 -- INDETERMINABLE 1 -- EGG 2 -- NAUPLIUS 3 -- ZOEA 4 -- MEGALOPA 5 -- VELIGER 6 -- LARVA 7 -- JUVENILE 8 -- ADULT 9 -- COMBINATION OF 6,7,AND 8 A -- COMBINATION OF 7 AND 8 B -- COMBINATION OF 6 AND 7 C -- JUVENILE/ADULT - SEXUAL MATURITY UNKNOWN D -- POLYP E -- CYPRIS F -- COPEPODID G -- PUPA H -- NYMPH I -- POSTLARVA J -- PROTOZOEA K -- MEDUSA L -- EGG CARRYING FEMALE M -- EGG CASE P -- PARTS Q -- IMMATURE R -- SUBADULT S -- TROCHOPHORE LARVAE T -- SUBADULTS AND JUVENILES U -- MATING PAIRS V -- MYSIS W -- COLONY X -- CYPHONAUTES LARVAE Y -- GLAUCOTHOE Z -- YOLK SAC LARVAE 0154 TIDE STAGE ---- -------------------- -- BLANK - NO INFORMATION 1 -- EBB 2 -- EBB SLACK 3 -- FLOOD 4 -- FLOOD SLACK 0155 STOMACH DIGESTION ---- -------------------- -- BLANK - NO INFORMATION 1 -- ALL CONTENTS UNIDENTIFIABLE 2 -- SIMILAR TO 1, BUT TRACES OF PREY ORGANISMS IDENTIFIABLE 3 -- LESS THAN 50% IDENTIFIABLE 4 -- 50 TO 75% IDENTIFIABLE 5 -- 75 TO 100% IDENTIFIABLE 6 -- NO DIGESTION - ALL CONTENTS IDENTIFIABLE 0156 WEIGHT METHOD ---- -------------------- -- BLANK - NO INFORMATION 1 -- SUBSAMPLE: EXACT WEIGHT AND COUNT MULTIPLIED BY SAMPLE FACTOR(SAMPLE FACTOR-AREA OF WHOLE SAMPLE /VOLUME OF SUBSAMPLE OR VOLUME OF WHOLE SAMPLE/VOLUME OF SUBSAMPLE) 2 -- SUBSAMPLE: EXACT WEIGHT AND ESTIMATED COUNT MULTIPLIED BY SAMPLE FACTOR 3 -- SUBSAMPLE: ESTIMATED WEIGHT AND EXACT COUNT MULTIPLIED BY SAMPLE FACTOR 4 -- SUBSAMPLE: ESTIMATED WEIGHT AND COUNT MULTIPLIED BY SAMPLE FACTOR 5 -- WHOLE SAMPLE: EXACT WEIGHT AND COUNT 6 -- WHOLE SAMPLE: EXACT WEIGHT AND ESTIMATED COUNT 7 -- WHOLE SAMPLE: ESTIMATED WEIGHT AND EXACT COUNT 8 -- WHOLE SAMPLE: ESTIMATED WEIGHT AND COUNT 9 -- HYBRID VALUE: ORGANISMS GREATER THAN 1 CM IN LENGTH ARE COUNTED AND WEIGHTED FROM ENTIRE SAMPLE AREA. THESE VALUES ARE COMBINED WITH EXACT WEIGHT AND COUNT VALUES (X SAMPLE FACTOR) FOR SMALLER ORGANISMS WITHIN A SUBSAMPLE AREA, TO OBTAIN THE TOTAL COUNT AND WEIGHT VALUES A -- SPECIES PRESENT BUT LESS THAN 1/10 OF A GRAM (NOT WEIGHED, BUT COUNT EXACT) B -- SPECIES PRESENT BUT NOT QUANTIFIED C -- ALL ALGAE AND ORGANISMS GREATER THAN 1CM ONLY D -- HYBRID VALUE, ORGANISMS GREATER THAN 1CM IN LENGTH ARE COUNTED AND WEIGHED FROM THE ENTIRE SAMPLE AREA. THESE VALUES ARE THEN ADDED TO THE COUNT WEIGHT AND COUNT VAULES (TIMES THE SAMPLE FACTOR) FOR SMALLER OFGANISMS WITHIN A SUBSAMPLE AREA. FINALLY, ORGANISMS COLLECTED FROM ALGAL SURF ARE ARE SUBSAMPLES, COUNTED AND WEIGHED, MULTIPLIED BY A SAMPLE FACTOR OF 4 AND ADDED TO THE FIRST SUM TO GIVE A HYBRID VALUE FOR THE QUADRAT E -- ALGAE GREATER THAN 1CM ONLY F -- ORGANISMS GREATER THAN 1CM G -- NO WEIGHT TAKEN, DIGESTION CAUSED DISINTERGRITY OF SPECIMENS 0209 MISC STOMACH (100) ---- -------------------- -- BLANK-NO INFORMATION 0 -- WHOLE ORGANISM 1 -- PARTS (UNIDENTIFIABLE) 2 -- SIPHONS 3 -- INORGANIC PARTS 4 -- LEGS 5 -- SETAE 6 -- CHELAE 7 -- ZOOECIA 8 -- SCALES 9 -- BONES A -- HEAD B -- EYE C -- JAWS D -- TAIL E -- SEEDS F -- LEAVES G -- WINGS H -- EXUVIAE(INSECT MOLTINGS) J -- SALPS K -- GASTROPOD L -- OPERCULA 0280 WAVE ENERGY ---- -------------------- 1 -- LOW WAVE ENERGY, LOW BEACH GRADIENT (SLOPE LESS THAN 15%) 2 -- LOW WAVE ENERGY, MODERATE BEACH GRADIENT (30% SLOPE 15%) 3 -- LOW WAVE ENERGY, HIGH BEACH GRADIENT (SLOPE GREATER THAN 30%) 4 -- MODERATE WAVE ENERGY, LOW BEACH GRADIENT 5 -- MODERATE WAVE ENERGY, MODERATE BEACH GRADIENT 6 -- MODERATE WAVE ENERGY, HIGH BEACH GRADIENT 7 -- HIGH WAVE ENERGY, LOW BEACH GRADIENT 8 -- HIGH WAVE ENERGY, MODERATE BEACH GRADIENT 9 -- HIGH WAVE ENERGY, HIGH BEACH GRADIENT 0281 SEDIMENT SIZE ---- -------------------- 0 -- ROCK, CONTINUOUS STRATA 1 -- BOULDER (GREATER THAN 256MM) 2 -- COBBLE (64MM TO 256MM) 3 -- GRAVEL (4MM TO 64MM) 4 -- COARSE SAND (.5MM TO 4MM) 5 -- MEDIUM SAND (.25MM TO .5MM) 6 -- FINE SAND (.06MM TO .25MM) 7 -- SILT (.004MM TO .06MM) 8 -- CLAY (LESS THAN .004MM) A -- MIXTURE OF BOULDERS AND COBBLES B -- MIXTURE OF COBBLES AND GRAVEL C -- MIXTURE OF GRAVEL AND SAND D -- MIXTURE OF SAND AND SILT E -- MIXTURE OF SILT AND CLAY F -- ARTIFICIAL SUBSTRATE-VERTICAL PILING 0282 SURFACE ORGANICS ---- -------------------- 1 -- CHIEFLY SHELL FRAGMENTS 2 -- DETRITUS - ACCUMULATED WOOD, STICKS AND UNDECAYED COARSE ORGANICS 3 -- FIBROUS PEAT 4 -- PULPY PEAT 5 -- MUCK - COMPLETELY DECOMPOSED ORGANIC MATERIALS 6 -- EEL GRASS 7 -- KELP 8 -- PERIPHYTON 9 -- NO ORGANIC MATERIALS EVIDENT A -- FOULING ORGANISMS