DATA_ORIGIN BASICS, UNEP, Baltic Univ., Stockholm Univ., Tartu Univ., and UNEP/GRID-Arendal STATION HerrIdxBalt REGION Baltic Sea: 54N-66N, 10E-30E VAR_DESC Herring Catch VAR_NAME Herring VAR_UNITS log-normalized DATA_SUBTYPE Fisheries START_TIME 1965 END_TIME 1995 DELTA_T annual DATA_SAMPLING Annual data_type_code fi data_process_notes NONE data_src_region Baltic Sea, 54N-66N,10E-30E data_src_contact NONE data_src_email NONE data_src_address NONE data_src_phone NONE data_src_available web data_src_web_data http://www.grida.no/basics/text/fish.htm data_src_web_info NONE data_src_citation NONE data_acquisit_mode web data_collect_method UNKNOWN INST_TYPE UNKNOWN FGDC_keywords NONE data_map_lon 20 E data_map_lat 59 N data_map_z sea level data_src_comments log-normalized index calculated from total annual catch. Minimal descriptive information available with data. Orginal data are from Baltic Sea region Statistical database on Sustainable development, natural resources and environment (BASICS), UNEP, Baltic Univ., Stockholm Univ., Tartu Univ., and UNEP/GRID-Arendal