Browsing Brage IMR by Author "Henriksen, Gunnar"
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Recent studies of the distribution and abundance of grey seals (Halichoerus grypus) in north Norway, and their possible influence on parasitic infestations in fish
Haug, Tore; Henriksen, Gunnar; Nilssen, Kjell Tormod; Ørjebu, Alfred (ICES CM Documents;1991/N:2, Working paper, 1991)Distributions of grey seals Halichoerus grypus were studied during aerial and ground surveys in North Norway. Surveys were conducted from Lofoten to the Soviet border during the moult (March-April, Finnmark) and breeding ... -
Status for havertbestandens ungeproduksjon langs norskekysten i 2001-2003
Nilssen, Kjell Tormod; Corkeron, Peter; Haug, Tore; Skavberg, Nils Erik; Jenssen, Bjørn Munro; Henriksen, Gunnar (Fisken og havet, Research report, 2004)During September-October 2001-2003, registrations of grey seal (Halichoerus grypus) pups, including tagging, counting and staging of pups, were conducted along the Norwegian coast from Rogaland county in the south to ... -
Tagging and recoveries of grey seals Halichoerus grypus in north Norway and on the Murman Coast, Russia
Henriksen, Gunnar; Haug, Tore; Kondakov, Andrej; Nilssen, Kjell Tormod; Øritsland, Torger (ICES CM documents, Working paper, 1996)A total of 787 grey seal pups were tagged between Vestfjorden in North Norway and the White Sea in North West Russia from 1989 to 1994. A majority of them (542) were tagged at the Ainov archipelago on the Murman coast. ...