Blar i Published in cooperation with others på forfatter "Nedreaas, Kjell Harald"
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Evaluation of the North-East Arctic saithe (Pollachius virens) acoustic survey
Nedreaas, Kjell Harald (ICES CM Documents;1997/Y:20, Working paper, 1997)Since 1985 an acoustic survey specially designed for saithe has annually been conducted in October-November by the Institute of Marine Research (IMR) on the Norwegian near coastal banks. Since 1992 the survey has covered ... -
Fecundity of Greenland halibut (Reinhardtius hippoglossoides) in the north east Arctic
Gundersen, Agnes C.; Kjesbu, Olav Sigurd; Stene, Anne; Nedreaas, Kjell Harald (ICES CM documents, Working paper, 1998) -
Fifteen years of annual Norwegian-Russian cod comparative age readings
Yaragina, Natalia A.; Nedreaas, Kjell Harald; Koloskova, V.P.; Mjanger, Hildegunn; Senneset, Harald; Zuykova, N.V.; Ågotnes, Per (IMR/PINRO Joint Report Series;5/2007, Conference object, 2007) -
Fifteen years of annual Norwegian-Russian cod comparative age readings
Yaragina, Natalia A.; Nedreaas, Kjell Harald; Koloskova, V.P.; Mjanger, Hildegunn; Senneset, Harald; Zuykova, N.V.; Ågotnes, Per (IMR/PINRO Joint Report Series;5/2007, Conference object, 2007) -
Fifteen years of annual Norwegian-Russian cod comparative age readings [presentation]
Yaragina, Natalia A.; Nedreaas, Kjell Harald; Koloskova, V.P.; Mjanger, Hildegunn; Senneset, Harald; Zuykova, N.V.; Ågotnes, Per (IMR/PINRO Joint Report Series;5/2007, Conference object, 2007) -
Fifteen years of annual Norwegian-Russian cod comparative age readings [presentation]
Yaragina, Natalia A.; Nedreaas, Kjell Harald; Koloskova, V.P.; Mjanger, Hildegunn; Senneset, Harald; Zuykova, N.V.; Ågotnes, Per (IMR/PINRO Joint Report Series;5/2007, Conference object, 2007) -
Food and feeding habits of young saithe (Pollachius virens L.) on the coast of western Norway
Nedreaas, Kjell Harald (ICES CM Documents;1985/G:22, Working paper, 1985)The stomach contents of young saithe [Pollachius virens (L. )] (I- and II-group, mainly II-group) in two areas (A and B) on the western coast of Norway, has been analysed. When this juvenile saithe become two or mainly ... -
The inability of the 0-group saithe survey to forecast the strenght of the year-classes entering the fishery
Nedreaas, Kjell Harald (PINRO-IMR Symposium, Conference object, 1995)An 0-group saithe trawl survey was conducted annually in the Norwegian Sea and outside the Norwegian coast north of 62"N in April-May 1985-1992. The survey aimed at covering the distribution of 0-group saithe in the open ... -
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 ... -
Measurements of Iceland scallop (Chlamys islandica müller) in the Spitzbergen and Bear Island regions
Hansen, Karsten; Nedreaas, Kjell Harald (ICES CM Documents;1986/K:26, Working paper, 1986)A stratified bottom trawl fish survey was carried out in the Spitzbergen and Bear Island regions from 9 September to 5 October 1985. On 30 out of 108 trawl stations, Chlamys islandica were caught as a by-catch, and ... -
Minimum legal length of Greenland halibut (Reinhardtius hippoglossoides) in ICES Sub-aeas I and II, and suggested criteria for legal bycatch of shorter specimens
Nedreaas, Kjell Harald (Working paper, 1991) -
Modelling the advection and diffusion of eggs and larvae of Northeast Arctic Greenland halibut
Ådlandsvik, Bjørn; Gundersen, Agnes C.; Nedreaas, Kjell Harald; Stene, Anne; Albert, Ole Thomas (ICES CM documents, Working paper, 1999)In later years there has been considerable uncertainty on the recruitment of the northeast Arctic stock of Greenland halibut (Reinhardtius hyppoglossoides). The abundance of several year classes originally considered ... -
The Norwegian reference fleet: co-operation between fisherman and scientists for multiple objectives
Nedreaas, Kjell Harald; Borge, Asbjørn; Godøy, Hallvard; Aanes, Sondre (ICES CM documents, Working paper, 2006) -
Population structure of Sebastes mentella in the North-East Arctic
Nedreaas, Kjell Harald; Saborido-Rey, Fran (ICES CM documents, Working paper, 1998) -
Pre-recruit studies of the North-East Arctic Greenland halibut stock
Hylen, Arvid; Nedreaas, Kjell Harald (PINRO-IMR Symposium, Conference object, 1995)Abundance indices of 0-group Greenland halibut (Reinhardtius hippoglossoides) from the international 0-group surveys in the Barents Sea showed a sudden decrease from 1987 to 1988 to a low level which has remained for the ... -
Preliminary report of the Norwegian groundfish survey at Bear Island and west-Spitsbergen in the autumn 1985
Godø, Olav Rune; Nedreaas, Kjell Harald (ICES CM Documents;1986/G:81, Working paper, 1986)This report describes the results from a stratified bottom trawl survey carried out in September/October 1985. The cod stock was dominated by the 1982 and the 1983 year classes. Also the 1984 year class recruited ... -
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 ... -
Quality assurance framework – the concept of quality assurance applied to fisheries data and its operationalisation under the ICES scope.
Nedreaas, Kjell Harald; Stransky, Christoph; Jardim, Ernesto; Vigneau, Joel (ICES CM documents;2009/N:06, Working paper, 2009) -
Recent variations in recruitment of Northeast Atlantic greenland halibut (Reinhardtius hippoglossoides) in relation to physical factors
Albert, Ole Thomas; Nilssen, Einar M.; Nedreaas, Kjell Harald; Gundersen, Agnes C. (ICES CM Documents;1997/EE:6, Working paper, 1997)Based on annual bottom trawl surveys in the Barents Sea and Svalbard area in 1983-96, the paper describes variations in abundance and composition of 1-group Greenland halibut (Reinhardtius hippoglossoides). The main ...