Blar i Published in cooperation with others på forfatter "Gjøsæter, Harald"
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Evaluation of the proposed harvest control rule for Northeast Arctic saithe: background, population model, parameters, data and preliminary analyses
Mehl, Sigbjørn; Fotland, Åge; Bogstad, Bjarte; Korsbrekke, Knut; Gjøsæter, Harald (Working paper, 2007) -
Fish investigations in the Barents Sea winter 2007-2012
Mehl, Sigbjørn; Aglen, Asgeir; Bogstad, Bjarte; Dingsør, Gjert Endre; Gjøsæter, Harald; Johannesen, Edda; Korsbrekke, Knut; Staby, Arved; Wenneck, Thomas de Lange; Alexandrov, Dmitry I.; Murashko, Pavel A.; Prozorkevich, Dmitry; Smirnov, Oleg (IMR/PINRO Joint Report Series;1/2013, Research report, 2013) -
Fish investigations in the Barents Sea winter 2013-2014
Mehl, Sigbjørn; Aglen, Asgeir; Bogstad, Bjarte; Dingsør, Gjert Endre; Gjøsæter, Harald; Godiksen, Jane; Johannesen, Edda; Korsbrekke, Knut; Staby, Arved; Wenneck, Thomas de Lange; Wienerroither, Rupert; Murashko, Pavel A.; Russkikh, Alexey (IMR/PINRO Joint Report Series;2/2014, Research report, 2014) -
Fish investigations in the Barents Sea winter 2015
Mehl, Sigbjørn; Aglen, Asgeir; Dingsør, Gjert Endre; Gjøsæter, Harald; Godiksen, Jane; Staby, Arved; Wenneck, Thomas de Lange; Wienerroither, Rupert; Amelkin, Aleksey (IMR/PINRO Joint Report Series;2/2015, Research report, 2015-06) -
Fish investigations in the Barents Sea winter 2018.
Mehl, Sigbjørn; Aglen, Asgeir; Gjøsæter, Harald; Godiksen, Jane Aanestad; Staby, Arved; Wenneck, Thomas de Lange; Wienerroither, Rupert; Russkikh, Alexey A.; Tretyakov, Ivan (IMR/PINRO Joint Report Series;, Research report, 2018)This report presents the main results from the surveys in January-March 2018. The surveys were performed with the Norwegian research vessels “Helmer Hanssen” and “Johan Hjort” and Russian research vessel “Fritjof Nansen”. ... -
Fish Investigations in the Barents Sea Winter 2019
Mehl, Sigbjørn; Wenneck, Thomas de Lange; Aglen, Asgeir; Fuglebakk, Edvin; Gjøsæter, Harald; Godiksen, Jane Aanestad; Seim, Silje Elisabeth; Staby, Arved; Bogstad, Bjarte; Russkikh, Alexey A.; Fomin, Konstantin (IMR/PINRO Joint Report Series;, Research report, 2019)The Institute of Marine Research (IMR), Bergen, has performed acoustic measurements of demersal fish in the Barents Sea since 1976. Since 1981 a bottom trawl survey has been combined with the acoustic survey. Typical effort ... -
Fish investigations in the Barents Sea winter 2020
Fall, Johanna Jennifer Elisabeth; Wenneck, Thomas de Lange; Bogstad, Bjarte; Fuglebakk, Edvin; Gjøsæter, Harald; Seim, Silje Elisabeth; Skage, Malin Lie; Staby, Arved; Tranang, Caroline Aas; Windsland, Kristin; Russkikh, Alexey A.; Fomin, Konstantin (IMR/PINRO Joint Report Series;, Research report, 2020)This report presents the main results from the surveys in January-March 2020. The surveys were performed with the Norwegian research vessels “Helmer Hanssen” and “Johan Hjort” and the Russian research vessel “Vilnyus”. ... -
Growth of 0-group fish in relation to temperature conditions in the Barents Sea during the period 1965- 1989
Loeng, Harald; Gjøsæter, Harald (ICES CM Documents;1990/G:49, Working paper, 1990)Since 1965 the International 0-group fish survey has been carried out in the Barents Sea during late August and early September. The main purpose is to determine the year-class strength of some commercial fish species ... -
Growth of capelin in relation to zooplankton biomass in the Barents Sea
Gjøsæter, Harald; Skjoldal, Hein Rune; Hassel, Arne (ICES CM Documents;1995/P:5, Working paper, 1995)Growth of capelin in the Barents Sea stock has been found to vary considerably both between years and between different parts of the distribution area. The aim of this paper is to compare such growth variations with ... -
Growth of Polar cod (Boreogadus saida) in the Barents Sea
Gjøsæter, Harald; Ajiad, Adnan Mosa (ICES CM Documents;1990/G:47, Working paper, 1990)Observed length-at-age, and backcalculated lengths based on otolith measurements, from samples of polar cod collected in the Barents Sea in autumn of 1987 to 1989, were analysed. An increase in individual length growth ... -
Growth of the Barents Sea capelin (Mallotus villosus) in relation to climate
Gjøsæter, Harald; Loeng, Harald (ICES CM Documents;1986/H:64, Working paper, 1986)The history of capelin assessment in the Barents Sea has shown that the growth of individual capelin has varied between years and different parts of the capelin distribution area. As the number of individuals in this ... -
Growth of the Barents Sea capelin compared to stock size and geographical distribution
Gjøsæter, Harald (ICES CM Documents;1986/H:38, Working paper, 1986)The growth of individual capelin in the Barents Sea stock was analysed in relation to the geographical distribution and size of the stock in the feeding season, and the density of fish in the feeding area. The growth ... -
Growth of the Barents Sea capelin of the yearclasses 1975-1981
Gjøsæter, Harald (PINRO-IMR Symposium, Conference object, 1985)The method of backcalculating fish lengths based on yearly growth markings in the otoliths is applied to estimate growth of capelin in the yearclasses 1975 to 1981. The Barents Sea is divided into five subareas, and the ... -
Growth patterns in otoliths as an indication of daily growth variations of larval herring (Clupea harengus) from an experimental ecosystem
Gjøsæter, Harald; Øiestad, Victor (ICES CM Documents;1981/H:31, Working paper, 1981)Larval herring were released in a large outdoor basin four days after hatching and the mean growth in length and weight of the herring larvae and fry was monitored for 100 days. The food supply was estimated from weekly ... -
Impact of grazin from capelin (Mallotus villosus) on zooplankton: a case study in the northern Barents Sea in August 1985
Hassel, Arne; Skjoldal, Hein Rune; Gjøsæter, Harald; Loeng, Harald; Omli, Lena (ICES CM Documents;1991/L:62, Working paper, 1991)The distribution of capelin was mapped in the area east of Hopen. Zooplankton was sampled with Juday net and 1m^2 MOCNESS sampler, and analyzed with respect to hydrography and capelin abundance. The capelin "front" ... -
IMR status report on the Barents Sea Ecosystem, 2004-2005
Stiansen, Jan Erik; Bogstad, Bjarte; Dalpadado, Padmini; Gjøsæter, Harald; Hauge, Kjellrun Hiis; Ingvaldsen, Randi; Loeng, Harald; Mauritzen, Mette; Mehl, Sigbjørn; Ottersen, Geir; Stenevik, Erling Kåre (Working paper, 2005) -
Joint PINRO/IMR report on the state of the Barents Sea ecosystem 2005/ 2006
Stiansen, Jan Erik; Aglen, Asgeir; Bogstad, Bjarte; Budgell, W. Paul; Dalpadado, Padmini; Dolgov, Andrey V.; Dommasnes, Are; Filin, Anatoly; Gjøsæter, Harald; Hauge, Kjellrun Hiis; Høines, Åge S.; Ingvaldsen, Randi; Johannesen, Edda; Jørgensen, Lis Lindal; Karsakov, A.L.; Klungsøyr, Jarle; Knutsen, Tor; Lien, Vidar S.; Loeng, Harald; Mehl, Sigbjørn; Buhl-Mortensen, Pål; Muchina, N.V.; Nesterova, V.N.; Olsen, Erik; Orlova, Emma L.; Ozhigin, Vladimir K.; Pedchenko, Andrey; Stenevik, Erling Kåre; Skogen, Morten D.; Titov, Oleg V.; Tjelmeland, Sigurd; Zabavnikov, V.B.; Ziryanov, S.V.; Zhukova, Nathalia; Øien, Nils; Aanes, Sondre (IMR/PINRO joint report series, Research report, 2006) -
The language of fishery management advice offered by ICES
Sandberg, Per; Røttingen, Ingolf; Gjøsæter, Harald (ICES CM documents, Working paper, 2003)Since the establishment of the Exclusive Economic Zones in the mid 1970s, several exploited fish stocks in the Northeast Atlantic have been managed by total allowable catch (TAC). The advice on annual levels of TAC, as ... -
Long term bilateral Russian-Norwegian scientific co-operation as a basis for sustainable management of living marine resources in the Barents Sea : proceedings of the 12th Norwegian-Russian Symposium, Tromsø, 21-22 August 2007
Haug, Tore; Misund, Ole Arve; Gjøsæter, Harald; Røttingen, Ingolf (IMR/PINRO Joint Report Series, Research report, 2007)Since 1986 the Institute of Marine Research, (IMR), Norway and the Knipovich Polar Research Institute of Marine Fisheries and Oceanography (PINRO), Russia, have carried out a joint research program on the trophic relationships ... -
Long term bilateral Russian-Norwegian scientific co-operation as a basis for sustainable management of living marine resources in the Barents Sea : proceedings of the 12th Norwegian-Russian Symposium, Tromsø, 21-22 August 2007
Haug, Tore; Misund, Ole Arve; Gjøsæter, Harald; Røttingen, Ingolf (IMR/PINRO Joint Report Series, Research report, 2007)Since 1986 the Institute of Marine Research, (IMR), Norway and the Knipovich Polar Research Institute of Marine Fisheries and Oceanography (PINRO), Russia, have carried out a joint research program on the trophic relationships ...