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dc.contributor.authorEngås, Arill
dc.contributor.authorJacobsen, Jan Arge
dc.contributor.authorSoldal, Aud Vold
dc.date.accessioned2012-08-02T12:15:11Z
dc.date.available2012-08-02T12:15:11Z
dc.date.issued1988
dc.identifier.citationThis report is not to be cited without prior reference to the authorsno_NO
dc.identifier.urihttp://hdl.handle.net/11250/104400
dc.description.abstractIn a study aimed at improving the reliability of the Norwegian bottom sampling trawl, comparative fishing between standard bobbins gear and rockhopper ground gear were carried out in the Barents Sea. The catch ratios bobbins/ rockhopper (B/R) for cod and haddock show a higher efficiency for rockhopper than for bobbins, especially for small fish. The catch ratio B/R for cod varied by time of day. Rockhopper seemed to have a higher efficiency compared to bobbins during daytime. The same trend was not found for haddock. These experiments confirm earlier experiments that rockhoppper is more effective than bobbins gear in catching fish close to the bottom. This is particulary true for small cod.no_NO
dc.language.isoengno_NO
dc.publisherICESno_NO
dc.relation.ispartofseriesICES CM Documents;1988/B:31
dc.subjectbottom trawlno_NO
dc.subjectbunntrålno_NO
dc.subjectgear experimentsno_NO
dc.subjectredskapsforsøkno_NO
dc.titleCatch comparison between rockhoppers and bobbins ground gear on the Norwegian bottom sampling trawlno_NO
dc.typeWorking paperno_NO
dc.subject.nsiVDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Catch: 925no_NO
dc.subject.nsiVDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Fisheries technology: 924no_NO
dc.source.pagenumber12 s.no_NO


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