Blar i Brage IMR på forfatter "Bogstad, Bjarte"

Viser treff 41-60 av 133

    • Evaluation of maximum long-term yield for northeast Arctic cod 

      Kovalev, Yuri; Bogstad, Bjarte (IMR/PINRO Joint Report Series, Conference object, 2005)

    • Evaluation of maximum long-term yield for Northeast Arctic cod [presentation] 

      Kovalev, Yuri; Bogstad, Bjarte (IMR/PINRO Joint Report Series;2/2005, Conference object, 2005)

    • Evaluation of maximum long-term yield for Northeast Arctic cod [presentation] 

      Kovalev, Yuri; Bogstad, Bjarte (IMR/PINRO Joint Report Series;2/2005, Conference object, 2005)

    • An evaluation of recruitment indices for Northeast Arctic cod (Gadus morhua L.) 

      Helle, Kristin; Bogstad, Bjarte; Marshall, C. Tara; Michalsen, Kathrine; Ottersen, Geir; Pennington, Michael (ICES CM documents, Working paper, 1999)
      Indices of the abundance of Northeast Arctic cod (Gadus morhua L.) for various life stages were compared in order to determine the earliest stage at .which year-class strength is established. The indices considered are: ...

    • An evaluation of the methodology for prediction of capelin biomass 

      Bogstad, Bjarte; Gjøsæter, Harald; Ushakov, N.G.; Prozorkevich, Dmitry (IMR/PINRO Joint Report Series, Conference object, 2005)
      The one-year prediction of capelin made as part of the assessment after the annual joint acoustic capelin survey during the autumn, is evaluated. Such predictions were made for the period from 1981 till present, and compared ...

    • An evaluation of the methodology for prediction of capelin biomass 

      Bogstad, Bjarte; Gjøsæter, Harald; Ushakov, N.G.; Prozorkevich, Dmitry (IMR/PINRO Joint Report Series, Conference object, 2005)
      The one-year prediction of capelin made as part of the assessment after the annual joint acoustic capelin survey during the autumn, is evaluated. Such predictions were made for the period from 1981 till present, and compared ...

    • An evaluation of the methodology for prediction of capelin biomass [presentation] 

      Bogstad, Bjarte; Gjøsæter, Harald; Ushakov, N.G.; Prozorkevich, Dmitry (IMR/PINRO Joint Report Series;2/2005, Conference object, 2005)

    • An evaluation of the methodology for prediction of capelin biomass [presentation] 

      Bogstad, Bjarte; Gjøsæter, Harald; Ushakov, N.G.; Prozorkevich, Dmitry (IMR/PINRO Joint Report Series;2/2005, Conference object, 2005)

    • 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)

    • Feeding in a heterogeneous environment: spatial dynamics in summer foraging Barents Sea cod 

      Johannesen, Edda; Lindstrøm, Ulf; Michalsen, Kathrine; Skern-Mauritzen, Mette; Fauchald, Per; Bogstad, Bjarte; Dolgov, Andrey V. (Journal article; Peer reviewed, 2012-07-03)
      Cod Gadus morhua are important predators in many ecosystems in the North Atlantic, but their ecological importance has diminished in many areas due to stock size reductions. In contrast, the Barents Sea cod stock is ...

    • Feeding of mature cod (Gadus morhua) on the spawning grounds in Lofoten 

      Michalsen, Kathrine; Johannesen, Edda; Bogstad, Bjarte (Journal article; Peer reviewed, 2008-03-19)
      Many authors state that cod (Gadus morhua) do not feed during the spawning period. However, this more or less established fact has rarely been investigated in the field. Here, the content of stomachs from Northeast Arctic ...

    • 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 2016 

      Mehl, Sigbjørn; Aglen, Asgeir; Bogstad, Bjarte; Dingsør, Gjert Endre; Korsbrekke, Knut; Olsen, Erik; Staby, Arved; Wenneck, Thomas de Lange; Wienerroither, Rupert; Amelkin, Aleksey; Russkikh, Aleksey (IMR/PINRO Joint Report Series;4/2016, Research report, 2016-09)

    • Fish investigations in the Barents Sea winter 2017 

      Mehl, Sigbjørn; Aglen, Asgeir; Bogstad, Bjarte; Russkikh, Alexey A.; Staby, Arved; Wenneck, Thomas de Lange; Wienerroither, Rupert (IMR/PINRO Joint Report Series;, Research report, 2017)
      This report presents the main results from the surveys in January–March 2017. The surveys were performed with the Norwegian research vessels “Helmer Hanssen” and “G.O. Sars”. Annual survey reports since 1981 are listed in ...

    • 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”. ...

    • Fish investigations in the Barents Sea winter 2021 : IMR/PINRO Joint Report Series nr. 1 2022 

      Fall, Johanna Jennifer Elisabeth; Wenneck, Thomas de Lange; Bogstad, Bjarte; Fuglebakk, Edvin; Godiksen, Jane Aanestad; Korsbrekke, Knut; 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, 2022)
      This report presents the main results from the surveys in January-March 2021. The surveys were performed with the Norwegian research vessels “Helmer Hanssen”, “Kronprins Haakon” and “Johan Hjort”, and the Russian research ...

    • Fish investigations in the Barents Sea Winter 2022 

      Fall, Johanna Jennifer Elisabeth; Wenneck, Thomas de Lange; Bogstad, Bjarte; Fuglebakk, Edvin; Godiksen, Jane Aanestad; Høines, Åge Sigurd; Korsbrekke, Knut; Skage, Malin Lie; Staby, Arved; Tranang, Caroline Aas; Windsland, Kristin; Russkikh, Alexey A.; Kharlin, Sergey (IMR/PINRO Joint Report Series;2023 - 1, Research report, 2023)
      Annual catch quotas and other regulations of the Barents Sea fisheries are set through negotiations between Norway and Russia. Assessment of the state of the stocks and quota advice are based on survey results and international ...

    • Fleirbestandsforskning 

      Bogstad, Bjarte (Havforskningstema, Working paper, 1996)