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All other fish species encountered are also sampled for at least length frequencies. \r\n\r\nIndices of abundance at age are calculated for all the target species and these data are used at the Northern Shelf Assessment Working Group and also made available for the Herring Assessment Working Group.","OrigAbstract":null,"OrigDescr":null,"Comments":null,"ReleaseDate":"Jan 4 2011 12:00AM","ReleaseDate0":"2011-01-04","OrigDescrLang":"English","EmbargoDate":null,"OrigDescrLangNL":"Engels","OrigLangCode":"en","OrigLangCodeExtended":"eng","OrigLangID":15,"DescrCompFlag":0,"DescrTransFlag":0,"Citation":"Fish trawl survey: Scottish West Coast Survey for commercial fish species. ICES Database of trawl surveys (DATRAS). The International Council for the Exploration of the Sea, Copenhagen. 2010. 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