Blar i Brage IMR på forfatter "Nedreaas, Kjell Harald"
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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) -
Fine-scale spatial variation of northern shrimp and Atlantic cod across three Norwegian fjord systems and implications for management
Zimmermann, Fabian; Tengvall, Jessica; Strand, Hans Kristian; Nedreaas, Kjell Harald; Thangstad, Trude Hauge; Husson, Berengere; Søvik, Guldborg (Peer reviewed; Journal article, 2023)The spatial complexity of coastal ecosystems represents a challenge for the management of inshore resources. Here we compared two large fjord systems in northern Norway that have been closed for all bottom trawling for 50 ... -
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 ... -
Food and feeding habits of young saithe, Pollachius virens (L.), on the coast of western Norway
Nedreaas, Kjell Harald (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1987)The stomach contents of young saithe (both I- and II-group, but mainly II-group) from two areas, denoted A and B, on the western coast of Norway have been analysed. When these juvenile saithe become two or more often ... -
Forsøk på fangst av levende vanlig uer: Tokt med F/F "Fjordfangst" på Nordlandskysten, august 1996
Skeide, Roar L.; Furevik, Dag M.; Nedreaas, Kjell Harald ([Toktrapport/Havforskningsinstituttet];, Working paper, 1996) -
Gaussian mixture models reveal highly diverse targeting tactics in a coastal fishing fleet
Liu, Xiaozi; Hansen, Cecilie; Nedreaas, Kjell Harald; Stockhausen, Hagen; Heino, Mikko Petteri (Peer reviewed; Journal article, 2022)Fishermen make repeated choices with respect to when, where, and how to catch their target species. While these targeting tactics—and the factors shaping them—are known to fishers and some experts, knowledge about them is ... -
Gaussian mixture models reveal highly diverse targeting tactics in a coastal fishing fleet
Liu, Xiaozi; Nedreaas, Kjell Harald; Stockhausen, Hagen; Heino, Mikko Petteri (Peer reviewed; Journal article, 2022)Fishermen make repeated choices with respect to when, where, and how to catch their target species. While these targeting tactics—and the factors shaping them—are known to fishers and some experts, knowledge about them is ... -
Geographic variation in gene flow from a genetically distinct migratory ecotype drives population genetic structure of coastal Atlantic cod (Gadus morhua L.)
Seliussen, Bjørghild Breistein; Dahle, Geir; Johansen, Torild; Besnier, Francois; Quintela, Maria; Jorde, Per Erik; Knutsen, Halvor; Westgaard, Jon-Ivar; Nedreaas, Kjell Harald; Farestveit, Eva; Glover, Kevin Alan (Peer reviewed; Journal article, 2022)Identifying how physical and biotic factors shape genetic connectivity among populations in time and space is essential to our understanding of the evolutionary trajectory as well as the management of marine species. ... -
Highly mixed impacts of near-future climate change on stock productivity proxies in the North East Atlantic
Kjesbu, Olav Sigurd; Sundby, Svein; Sandø, Anne Britt; Alix, Maud; Hjøllo, Solfrid Sætre; Tiedemann, Maik; Skern-Mauritzen, Mette; Junge, Claudia; Fossheim, Maria; Broms, Cecilie; Søvik, Guldborg; Zimmermann, Fabian; Nedreaas, Kjell Harald; Eriksen, Elena; Höffle, Hannes; Hjelset, Ann Merete; Kvamme, Cecilie; Reecht, Yves; Knutsen, Halvor; Aglen, Asgeir; Albert, Ole Thomas; Berg, Erik; Bogstad, Bjarte; Durif, Caroline; Halvorsen, Kim Aleksander Tallaksen; Høines, Åge Sigurd; Hvingel, Carsten; Johannesen, Edda; Johnsen, Espen; Moland, Even; Myksvoll, Mari Skuggedal; Nøttestad, Leif; Olsen, Erik Joel Steinar; Skaret, Georg; Skjæraasen, Jon Egil; Slotte, Aril; Staby, Arved; Stenevik, Erling Kåre; Stiansen, Jan Erik; Stiasny, Martina H.; Sundet, Jan Henry; Vikebø, Frode Bendiksen; Huse, Geir (Peer reviewed; Journal article, 2021)Impacts of climate change on ocean productivity sustaining world fisheries are predominantly negative but vary greatly among regions. We assessed how 39 fisheries resources—ranging from data-poor to data-rich stocks—in the ... -
Hvordan holde torskefisket lønnsomt?
Nedreaas, Kjell Harald; Bjordal, Åsmund (Havforskningsnytt, Working paper, 2002) -
Improving management decisions by predicting fish bycatch in the Barents Sea shrimp fishery
Aldrin, Magne; Mortensen, Bjørnar; Storvik, Geir; Nedreaas, Kjell Harald; Aglen, Asgeir; Aanes, Sondre (Journal article; Peer reviewed, 2011-11-20)When the bycatch of juvenile fish within the Barents Sea shrimp fishery is too large, the area is closed to fishing for a certain period. Bycatch is estimated from sampled trawl hauls, for which the shrimp yield is recorded, ... -
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 ... -
The Institute of Marine Research's reference fleet program: trust based co-operation between fishermen and scientists
Nedreaas, Kjell Harald; Huse, Irene; Borge, Asbjørn; Huse, Geir (Havforskningstema, Working paper, 2007) -
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 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 ... -
Kartlegging av 0-gruppe fisk utanfor norskekysten i april-mai 1989 [HELP 27]
Nedreaas, Kjell Harald; Senneset, Harald; Smedstad, Odd M. (help, Research report, 1989)I 1985 starta Havforskningsinstituttet undersøkjingar for om mogeleg å få eit mål på årsklassestyrken av sei allereie på O-gruppe stadiet. Årsklassen som vart kartlagt i 1985 er i år 4 år gamal, og byrjar no å gjere seg ... -
Kartlegging av 0-gruppe fisk utanfor norskekysten i april-mai 1990 [HELP 36]
Senneset, Harald; Smedstad, Odd M.; Nedreaas, Kjell Harald (help;1990 nr. 36, Research report, 1990)I 1985 starta Havforskningsinstituttet undersøkjingar for om mogeleg å få eit mål på årsklassestyrken av sei allereie på 0-gruppe stadiet. Dei kartlagde årsklassane i 1985 og 1986 byrjar no å gjere seg gjeldande i fisket, ...