Blar i Brage IMR på forfatter "Bogstad, Bjarte"

Viser treff 61-80 av 133

    • Forvaltning av norsk-arktisk torsk [1992] 

      Bogstad, Bjarte (Havforskningsnytt, Working paper, 1992)

    • Forvaltning av norsk-arktisk torsk [1994] 

      Jakobsen, Tore; Sunnanå, Knut; Bogstad, Bjarte (Havforskningsnytt, Working paper, 1994)

    • Growth portfolios buffer climate-linked environmental change in marine systems 

      Campana, Steven E.; Smolinski, Szymon; Black, Bryan A.; Morrongiello, John R.; Alexandroff, Stella J.; Andersson, Carin; Bogstad, Bjarte; Butler, Paul G.; Denechaud, Côme; Frank, David C.; Geffen, Audrey J.; Godiksen, Jane Aanestad; Grønkjær, Peter; Hjörleifsson, Einar; Jónsdóttir, Ingibjörg G.; Meekan, Mark; Mette, Madelyn; Tanner, Susanne E.; van der Sleen, Peter; von Leesen, Gotje (Peer reviewed; Journal article, 2022)
      Large-scale, climate-induced synchrony in the productivity of fish populations is becoming more pronounced in the world's oceans. As synchrony increases, a population's “portfolio” of responses can be diminished, in turn ...

    • Growth portfolios buffer climate-linked environmental change in marine systems 

      Campana, Steven E.; Smolinski, Szymon; Black, Bryan A.; Morrongiello, John R.; Alexandroff, Stella J.; Andersson, Carin; Bogstad, Bjarte; Butler, Paul G.; Denechaud, Côme; Frank, David C.; Geffen, Audrey J.; Godiksen, Jane Aanestad; Grønkjær, Peter; Hjörleifsson, Einar; Jónsdóttir, Ingibjörg G.; Meekan, Mark; Mette, Madelyn; Tanner, Susanne E.; van der Sleen, Peter; von Leesen, Gotje (Peer reviewed; Journal article, 2022)
      Large-scale, climate-induced synchrony in the productivity of fish populations is becoming more pronounced in the world's oceans. As synchrony increases, a population's “portfolio” of responses can be diminished, in turn ...

    • 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 ...

    • Hva spiser torsken til middag? 

      Johannesen, Edda; Bogstad, Bjarte; Gjøsæter, Harald (Havforskningsnytt, Working paper, 2004)

    • IMR ecosystem activity in the Arctic Ocean. Report from committee 

      Ingvaldsen, Randi; Chierici, Melissa; Knutsen, Tor; Gjøsæter, Harald; Bogstad, Bjarte; Haug, Tore; Jørgensen, Lis Lindal; Skjoldal, Hein Rune; Huse, Geir; Sunnanå, Knut; Røttingen, Ingolf; Hoel, Alf Håkon (Rapport fra Havforskningen;Nr. 4-2013, Working paper, 2013-01)

    • 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)

    • Including climate into the assessment of future fish recruitment, using multiple regression models 

      Stiansen, Jan Erik; Bogstad, Bjarte; Aglen, Asgeir; Svendsen, Einar; Loeng, Harald; Mehl, Sigbjørn; Nakken, Odd (Conference object, 2004)

    • Including climate into the assessment of future fish recruitment, using multiple regression models. 

      Stiansen, Jan Erik; Aglen, Asgeir; Bogstad, Bjarte; Loeng, Harald; Mehl, Sigbjørn; Nakken, Odd; Ottersen, Geir; Svendsen, Einar (ICES CM documents, Working paper, 2005)
      Climate variability has generally not been included in the assessment of fish stocks in the Barents Sea and Norwegian Sea. However, in recent years there has been a focus on implementing climate variability in the assessment ...

    • Interrelations between fish populations in the Barents sea : proceedings of the fifth PINRO-IMR Symposium, Murmansk, 12-16 August 1991 

      Bogstad, Bjarte; Tjelmeland, Sigurd (PINRO-IMR Symposium;5, Research report, 1992)

    • Jan Mayen—a new spawning and fishing area for Atlantic cod Gadus morhua 

      Bogstad, Bjarte (Peer reviewed; Journal article, 2022)
      In 2018, commercially exploitable concentrations of Atlantic cod Gadus morhua were found on the shelf around the Arctic island Jan Mayen (7 1°N, 8–9 °W) and in 2019–2021 an exploratory cod fishery with longline was carried ...

    • 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)

    • Long term sustainable management of living marine resources in the Northern Seas. The proceedings from the 17 Norwegian‐Russian symposium, Bergen, Norway, 16‐17 March 2016 

      Gjøsæter, Harald; Bogstad, Bjarte; Enberg, Katja; Kovalev, Yuri; Shamrai, Eugene A. (IMR/PINRO Joint Report Series;3/2016, Research report, 2016-04-12)

    • Long-term interplay between harvest regimes and biophysical conditions may lead to persistent changes in age at sexual maturity of Northeast Arctic cod (Gadus morhua) 

      Carl Jacob, Rørvik; Bogstad, Bjarte; Ottersen, Geir; Kjesbu, Olav Sigurd (Peer reviewed; Journal article, 2022)
      This investigation commenced by constructing principal maturation schedule equations as a function of fishing mortality (F), key biophysical factors and a term attributed to fisheries-induced adaptive change (FIAC). Following ...

    • Match-mismatch dynamics in the Norwegian-Barents Sea system 

      Ferreira, Ana Sofia De Araújo; Stige, Leif Christian; Neuheimer, Anna B.; Bogstad, Bjarte; Yaragina, Natalia A.; Prokopchuk, Irina; Durant, Joel Marcel (Peer reviewed; Journal article, 2020)
      A key process affecting variation in the recruitment of fish into fisheries is the spatio-temporal overlap between prey and predator (match-mismatch hypothesis, MMH). The Northeast Arctic cod Gadus morhua and its dominant ...

    • Match-mismatch dynamics in the Norwegian-Barents Sea system 

      Ferreira, Ana Sofia De Araújo; Stige, Leif Christian; Neuheimer, Anna B.; Bogstad, Bjarte; Yaragina, Natalia A.; Prokopchuk, Irina; Durant, Joel Marcel (Peer reviewed; Journal article, 2020)
      A key process affecting variation in the recruitment of fish into fisheries is the spatio-temporal overlap between prey and predator (match-mismatch hypothesis, MMH). The Northeast Arctic cod Gadus morhua and its dominant ...

    • A method for estimation of predation mortalities on capelin using a cod-capelin model for the Barents Sea 

      Bogstad, Bjarte; Tjelmeland, Sigurd (PINRO-IMR Symposium, Conference object, 1992)
      The Barents Sea capelin stock coliapsed during the period 1983-1986. One of the main factors causing the colIapse was a rapid increase in consumption of capelin by cod, caused by the strong 1983 cod year class. Based ...

    • Miljøinformasjon i bestandsvurdering og rådgivning 

      Huse, Geir; Bogstad, Bjarte; Hauge, Kjellrun Hiis; Korsbrekke, Knut; Loeng, Harald; Michalsen, Kathrine; Skagen, Dankert W.; Stiansen, Jan Erik; Sundby, Svein; Svendsen, Einar; Tjelmeland, Sigurd; Toresen, Reidar (Fisken og havet, Research report, 2007)
      This report summarizes the work of an internal working group appointed by the Institute of Marine Research's management group to evaluate inclusion of environmental parameters in stock evaluation. The report discusses ...

    • Muligheter og prioriteringer for flerbestandsforvaltning i norske fiskerier 

      Huse, Geir; Skern-Mauritzen, Mette; Bogstad, Bjarte; Sandberg, Per; Ottemo, Trond; Veim, Anne Kjos; Sørdahl, Elisabeth; Bertelsen, Bernt (Fisken og Havet;7-2018, Research report, 2018)
      Denne rapporten svarer opp en henvendelse fra Stortinget som har bedt regjeringen utarbeide en opptrappingsplan for norsk bestands- og ressursforskning med mål om å utvikle og innføre en modell for flerbestandsforvaltning ...