Blar i IMR monitoring series på forfatter "Nedreaas, Kjell Harald"
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Estimates of stock size of Northeast Arctic cod and haddock from survey data 1986/1987
Godø, Olav Rune; Hylen, Arvid; Jacobsen, Jan Arge; Jakobsen, Tore; Mehl, Sigbjørn; Nedreaas, Kjell Harald; Sunnanå, Knut (ICES CM documents, Working paper, 1987)Combined acoustic and bottom trawl survey for cod and haddock were carried out in the Svalbard area in autumn 1986 and in the Barents Sea during the winter 1987. An acoustic survey for spwaning cod was carried out in March ... -
Estimates of stock size of northeast Arctic cod and haddock, "Sebastes mentella" and "Sebastes marinus" from survey data, winter 1988
Hylen, Arvid; Jacobsen, Jan Arge; Jakobsen, Tore; Mehl, Sigbjørn; Nedreaas, Kjell Harald; Sunnanå, Knut (ICES CM Documents;1988/G:43, Working paper, 1988)An acoustic survey and a bottom trawl survey for cod and haddock were carried out in the Barents Sea during the winter 1988. The fish still had the westerly distribution established in the previous year, but the echo ... -
Estimates of stock size of northeast arctic cod and haddock, Sebastes mentella and Sebastes marinus from survey data, winter 1989
Jakobsen, Tore; Mehl, Sigbjørn; Nakken, Odd; Nedreaas, Kjell Harald; Sunnanå, Knut (ICES CM documents, Working paper, 1989)The combined acoustic and bottom trawl survey in the Barents Sea in winter has been carried out since 1981. The target species are cod and haddock, but in recent years the redfish species Sebastes marinus and Sebastes ... -
Investigations on demersal fish in the Barents Sea winter 2000 : detailed report
Aglen, Asgeir; Drevetnyak, Konstantin; Jakobsen, Tore; Korsbrekke, Knut; Lepesevich, Yuri; Mehl, Sigbjørn; Nakken, Odd; Nedreaas, Kjell Harald (IMR/PINRO joint report series, Research report, 2001)A combined acoustic and bottom trawl survey to obtain indices of abundance and estimates of length and weight at age has been carried out each winter (4-6 weeks in January-March) since 1981 in the Barents Sea. The target ... -
Investigations on demersal fish in the Barents Sea winter 2001 : detailed report
Aglen, Asgeir; Alvsvåg, John; Lepesevich, Yuri; Korsbrekke, Knut; Mehl, Sigbjørn; Nedreaas, Kjell Harald; Sokolov, Konstantin; Ågotnes, Per (IMR/PINRO joint report series, Research report, 2002)A combined acoustic and bottom trawl survey to obtain indices of abundance and estimates of length and weight at age has been carried out each winter (46 weeks in January- March) since 1981 in the Barents Sea. The target ... -
Preliminary report of the Norwegian investigations on young cod and haddock in the Barents Sea
Nakken, Odd; Hylen, Arvid; Jakobsen, Tore; Nedreaas, Kjell Harald (ICES CM documents, Working paper, 1986)An acoustic survey and a bottom trawl survey for cod and haddock were carried out in the Barents Sea during the winter 1986. As a result of strong improvement in the recruitment for both species, most of the echo abundance ... -
Undersøkelse av torsk, hyse og uer i Barentshavet vinteren 1990
Jakobsen, Tore; Mehl, Sigbjørn; Nedreaas, Kjell Harald (Working paper, 1990)The combined acoustic and bottom trawl survey in the Barents Sea in winter has been carried out since 1981. The target species are cod and haddock, but in recent years the redfish species in the area have also been included. ... -
Undersøkelser av torsk, hyse og uer i Barentshavet vinteren 1990
Jakobsen, Tore; Mehl, Sigbjørn; Nedreaas, Kjell Harald ([Toktrapport/Havforskningsinstituttet];, Working paper, 1990) -
Undersøkelser av torsk, hyse og uer i Barentshavet vinteren 1991
Hylen, Arvid; Jakobsen, Tore; Mehl, Sigbjørn; Nedreaas, Kjell Harald ([Toktrapport/Havforskningsinstituttet];, Working paper, 1991) -
Undersøkelser av torsk, hyse og uer i Barentshavet vinteren 1992
Godø, Olav Rune; Jakobsen, Tore; Mehl, Sigbjørn; Nedreaas, Kjell Harald; Raknes, Askjell ([Toktrapport/Havforskningsinstituttet];, Working paper, 1992)