A data product derived from Northeast Atlantic groundfish data from scientific trawl surveys 1983-2020 ...

• Main Author: Cefas
• Format: Dataset
• Language: unknown
• Published: Cefas 2022
• Subjects: Fish biomass in water bodies; Fish abundance in water bodies; Northeast Atlantic
• Online Access: https://dx.doi.org/10.14466/cefasdatahub.126; https://www.cefas.co.uk/data-and-publications/dois/a-data-product-derived-from-northeast-atlantic-groundfish-data-from-scientific-trawl-surveys-1983-2020/

This is a data product to support state indicators that are based from groundfish biological data, derived using primary data from surveys undertaken in the Northeast Atlantic between 1983 and 2020. Catch records by taxonomic group and by length category in terms of biomass and numbers of fish standardised to duration (per hour) or to the area swept by the haul. Data are available from multiple surveys using data downloaded from the ICES database of trawl surveys (DATRAS) once quality-controlled and standardised following procedures detailed in Greenstreet and Moriarty 2017. Data file names reflect the OSPAR region sampled, country conducting the sampling, fishing gear and time of years of sampling (as defined by Greenstreet and Moriarty 2017), e.g.: BBICFraBT4 refers to Bay of Biscay and Iberian Coast data from France by a Beam Trawl survey in quarter 4 of the year and GNSIntOT3 refers to Greater North Sea data from International (multiple countries) sampling by an Otter Trawl survey in quarter 3 of the ...