Species habitat occupation, observed during the first quarter IBTS from 1980 to 2010, has been expressed as rare, occasional, frequent, recurrent depending on density levels and...

B2FIND50

Freshwater Fish Counts for all Species, all Areas and all Years

淡水鱼类种群计数

渔业资源调查

PLEASE NOTE: This dataset has been superseded by the 'Freshwater fish surveys (NFPD)' dataset and is now Retired. As of March 2020 All data formerly available in 'Freshwater Fish Counts for all...

data.gov.uk2020-06-02 更新30

NWFSC fish and invertebrate diversity derived from west coast groundfish trawl program

海洋生物多样性

渔业资源调查

This dataset presents the community structure of groundfish and invertebrate in the West Coast since 1977. The community structure indices include the richness and Simpson’s evenness. The raw count da

Mendeley Data2024-01-31 更新70

Survey : HUXL/10/1903 (part of CEFAS Historic surveys)

渔业资源调查

历史生物数据

This survey was undertaken by Cefas as part of the CEFAS Historic surveys; Station and biological data collected during research surveys carried out by Cefas (formerly Directorate of Fisheries)...

data.gov.uk2024-07-10 更新50

SEAK GKC Depth

资源简介：

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