Browsing Brage IMR by Author "Hallfredsson, Elvar Halldor"

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    • Advice on fishing opportunities for Greenland halibut in 2024 in ICES subareas 1 and 2 

      Howell, Daniel; Bogstad, Bjarte; Chetyrkin, Anatoly; Fall, Johanna Jennifer Elisabeth; Filin, Anatoly; Hallfredsson, Elvar Halldor; Höffle, Hannes; Johannesen, Edda; Kovalev, Yuri; Mikhailov, Andrey; Russkikh, Alexey; Stesko, Aleksi; Vasilyev, Dmitri; Vihtakari, Mikko; Windsland, Kristin; Yaragina, Natalya (IMR/PINRO Joint Report Series;2023 - 6, Research report, 2023)
      Stock Name: Northeast Arctic Greenland halibut (ICES areas 1 and 2) The Joint Russian-Norwegian Arctic Fisheries Working Group (JRN-AFWG) advises that when the MSY approach is applied, catches in 2024 should be no more ...

    • Advice on fishing opportunities for Northeast Arctic cod in 2024 in ICES subareas 1 and 2 

      Howell, Daniel; Bogstad, Bjarte; Chetyrkin, Anatoly; Fall, Johanna Jennifer Elisabeth; Filin, Anatoly; Hallfredsson, Elvar Halldor; Höffle, Hannes; Johannesen, Edda; Kovalev, Yuri; Mikhailov, Andrey; Russkikh, Alexey; Stesko, Aleksi; Vasilyev, Dmitri; Vihtakari, Mikko; Windsland, Kristin; Yaragina, Natalya (IMR/PINRO Joint Report Series;2023 - 5, Research report, 2023)
      Stock Name: Northeast Arctic cod (ICES areas 1 and 2) The Joint Russian-Norwegian Arctic Fisheries Working Group (JRN-AFWG) advises that when the Joint Norwegian–Russian Fisheries Commission management plan is applied, ...

    • Advice on fishing opportunities for Northeast Arctic cod in 2025 in ICES subareas 1 and 2 

      Howell, Daniel; Nielsen, Anders; Stock, Brian; Kotaro, Ono; Clain, Laura; Fossheim, Maria; Wenneck, Thomas de Lange; Harbitz, Alf; Perez-Rodriguez, Alfonso; Iriondo, Ane; Staby, Arved; Bogstad, Bjarte; Husson, Berengere; Marshall, C. Tara; Tranang, Caroline Aas; Johannesen, Edda; Vozgirdas, Eduardas; Eriksen, Elena; Eidset, Elise; Hallfredsson, Elvar Halldor; Berg, Erik; Skaret, Georg; Höffle, Hannes; Jacobsen, Jan Arge; Stiansen, Jan Erik; Godiksen, Jane Aanestad; Fall, Johanna Jennifer Elisabeth; Trochta, John Tyler; Gondra, Jon Ruiz; Sanchez, José Miguel Casas; Nedreaas, Kjell Harald; Trella, Kordian; Windsland, Kristin; Aune, Magnus; Bernreuther, Matthias; Vihtakari, Mikko; Breivik, Olav Nikolai; Alpoim, Ricardo; Tallman, Ross; Subbey, Samuel; Seim, Silje Elisabeth; Gundersen, Sofie; Hølleland, Sondre Nedreås; Karlson, Stine; Vollen, Tone (IMR/PINRO Joint Report Series;2024 - 6, Research report, 2024)

    • Advice on fishing opportunities for Northeast arctic haddock in 2024 in ICES subareas 1 and 2 

      Howell, Daniel; Bogstad, Bjarte; Chetyrkin, Anatoly; Fall, Johanna Jennifer Elisabeth; Filin, Anatoly; Hallfredsson, Elvar Halldor; Höffle, Hannes; Johannesen, Edda; Kovalev, Yuri; Mikhailov, Andrey; Russkikh, Alexey; Stesko, Aleksi; Vasilyev, Dmitri; Vihtakari, Mikko; Windsland, Kristin; Yaragina, Natalya (IMR/PINRO Joint Report Series;2023 - 4, Research report, 2023)
      Stock Name: Northeast Arctic haddock (ICES areas 1 and 2) The Joint Russian-Norwegian Arctic Fisheries Working Group (JRN-AFWG) advises that when the Joint Norwegian–Russian Fisheries Commission management plan is applied, ...

    • Advice on fishing opportunities for Northeast Arctic haddock in 2025 in ICES subareas 1 and 2 

      Howell, Daniel; Nielsen, Anders; Stock, Brian; Ono, Kotaro; Clain, Laura; Fossheim, Maria; Wenneck, Thomas de Lange; Harbitz, Alf; Perez-Rodriguez, Alfonso; Iriondo, Ane; Staby, Arved; Bogstad, Bjarte; Husson, Berengere; Marshall, C. Tara; Tranang, Caroline Aas; Johannesen, Edda; Vozgirdas, Eduardas; Eriksen, Elena; Eidset, Elise; Hallfredsson, Elvar Halldor; Berg, Erik; Skaret, Georg; Höffle, Hannes; Jacobsen, Jan Arge (IMR/PINRO Joint Report Series;2024 - 3, Research report, 2024)

    • Arctic Fisheries Working Group (AFWG; outputs from 2022 meeting) 

      Howell, Daniel; Godiksen, Jane Aanestad; Tranang, Caroline Aas; Berg, Erik; Bernreuther, Matthias; Bogstad, Bjarte; Breivik, Olav Nikolai; Casas, Jose Miguel; Clain, Laura; Eidset, Elise; Eriksen, Elena; Fall, Johanna Jennifer Elisabeth; Fossheim, Maria; Gjøsæter, Harald; Gundersen, Sofie; Hallfredsson, Elvar Halldor; Höffle, Hannes; Johannessen, Edda; Nedreaas, Kjell Harald; Nielsen, Anders; Skaret, Georg; Staby, Arved; Stock, Brian; Subbey, Samuel; Tallman, Ross; Trochta, John Tyler; Vollen, Tone; Windsland, Kristin (Journal article, 2023)

    • Fish assemblages at the Yermak Plateau and in northern Svalbard waters during the period 2012-2020 

      Gjøsæter, Harald; Ingvaldsen, Randi Brunvær; Hallfredsson, Elvar Halldor; Johannesen, Edda (Peer reviewed; Journal article, 2023)
      During several surveys covering the north-western and northern Svalbard waters, and the deeper Yermak Plateau north of Svalbard during the period 2012–2020, 291 standardized hauls with a demersal trawl were made. All fishes ...

    • Fish assemblages at the Yermak Plateau and in northern Svalbard waters during the period 2012–2020 

      Gjøsæter, Harald; Ingvaldsen, Randi Brunvær; Hallfredsson, Elvar Halldor; Johannesen, Edda (Peer reviewed; Journal article, 2023)
      During several surveys covering the north-western and northern Svalbard waters, and the deeper Yermak Plateau north of Svalbard during the period 2012–2020, 291 standardized hauls with a demersal trawl were made. All fishes ...

    • Fremmedstoffer i flekksteinbit, gråsteinbit og vassild/strømsild - Sluttrapport for kartleggingsprogrammet «Miljøgifter i fisk og fiskevarer» 2019-2022 

      Wiech, Martin; Frantzen, Sylvia; Reecht, Yves; Hallfredsson, Elvar Halldor; Nilsen, Bente Merete (Rapport fra havforskningen;2023 - 52, Research report, 2023)
      I dette arbeidet ble det gjennomført en kartlegging av viktige fremmedstoffer i flekksteinbit (Anarhichas minor), gråsteinbit (Anarhichas lupus), vassild (Argentina silus) og strømsild (Argentina sphyraena) fra norske ...

    • Joint Russian Norwegian Arctic Fisheries Working Group (JRN-AFWG) Report 2024 

      Howell, Daniel; Aune, Magnus; Bogstad, Bjarte; Chetyrkin, Anatoly; Fall, Johanna Jennifer Elisabeth; Filin, Anatoly; Godiksen, Jane Aanestad; Hallfredsson, Elvar Halldor; Johannesen, Edda; Kovalev, Yuri; Mikhailov, Andrey; Russkikh, Alexey; Stesko, Aleksi; Vasilyev, Dmitri; Vihtakari, Mikko; Vollen, Tone; Windsland, Kristin; Yaragina, Natalia A. (IMR/PINRO Joint Report Series;2024 - 7, Research report, 2024)
      On 30th March 2022 all Russian participation in ICES was temporally suspended. Although the announcement of the suspension stressed the role of ICES as a “multilateral science organization”, this suspension applied not ...

    • Migration patterns of Greenland halibut in the North Atlantic revealed by a compiled mark-recapture dataset 

      Vihtakari, Mikko; Elvarsson, Bjarki Pór; Treble, Margaret; Nogueira, Adriana; Hedges, Kevin; Hussey, Nigel E.; Wheeland, Laura; Roy, Denis; Ofstad, Lise Helen; Hallfredsson, Elvar Halldor; Barkley, Amanda; Estevez-Barcia, Daniel; Nygaard, Rasmus; Healey, Brian; Steingrund, Petur; Johansen, Torild; Albert, Ole Thomas; Boje, Jesper (Peer reviewed; Journal article, 2022)
      Marine fisheries are often allocated to stocks that reflect pragmatic considerations and may not represent the species’ spatial population structure, increasing the risk of mismanagement and unsustainable harvesting. Here ...

    • Population structure discovered in juveniles of Greenland halibut (Reinhardtius hippoglossoides Walbaum, 1792) 

      Gíslason, Davíð; Estévez-Barcia, Daniel; Sveinsson, Sæmundur; Hansen, Agneta; Roy, Denis; Treble, Margaret; Boje, Jesper; Vihtakari, Mikko; Elvarsson, Bjarki Þór; Hedges, Kevin; Hallfredsson, Elvar Halldor; Johansen, Torild (Peer reviewed; Journal article, 2023)
      Understanding the genetic differentiation among populations of most marine fish requires investigating the differences among spawning grounds. However, this can be challenging as spawning grounds for some species are not ...

    • Report of the Joint Russian-Norwegian Working Group on Arctic Fisheries (JRN-AFWG) 2023 

      Howell, Daniel; Bogstad, Bjarte; Chetyrkin, Anatoly; Fall, Johanna Jennifer Elisabeth; Filin, Anatoly; Hallfredsson, Elvar Halldor; Höffle, Hannes; Johannesen, Edda; Kovalev, Yuri; Mikhailov, Andrey; Russkikh, Alexey; Stesko, Aleksi; Vasilyev, Dmitri; Vihtakari, Mikko; Windsland, Kristin; Yaragina, Natalya (IMR/PINRO Joint Report Series;2023 - 7, Research report, 2023)
      On 30 th March 2022 all Russian participation in ICES was temporally suspended. Although the announcement of the suspension stressed the role of ICES as a “multilateral science organization”, this suspension applied not ...

    • Revision of the Norwegian-Russian Barents Sea Ecosystem Survey (BESS) - The current status and revision of the Norwegian sector of the BESS survey 

      Eriksen, Elena; Johansen, Geir Odd; van der Meeren, Gro Ingleid; Mørk, Herdis Langøy; Karlson, Stine; Bagøien, Espen; Bao, Miguel; Berg, Erik; Bogstad, Bjarte; Boitsov, Stepan; Cipriani, Paolo; Dalpadado, Padmini; Danielsen, Hanna Ellerine Helle; Giulietti, Lucilla; Hallfredsson, Elvar Halldor; Heldal, Hilde Elise; Hjelset, Ann Merete; Holmin, Arne Johannes; Höffle, Hannes; Johannesen, Edda; Jørgensen, Lis Lindal; Levsen, Arne; Skaret, Georg; Solvang, Hiroko Kato; Storesund, Julia Endresen; Strand, Espen; Vee, Ida; Vollen, Tone; Wienerroither, Rupert; Windsland, Kristin; Zimmermann, Fabian; Øien, Nils Inge (Rapport fra havforskningen;2024 - 34, Research report, 2024)
      An effort to streamline the survey activity at the Institute of Marine Research (IMR) was initiated by the IMR leadership in December 2022. The purpose of this exercise is to balance the costs of the total cruise effort ...

    • Scrutinizing the current management units of the greater argentine in the light of genetic structure 

      Quintela, Maria; Seljestad, Gaute Wilhelmsen; Dahle, Geir; Hallfredsson, Elvar Halldor; Enberg, Katja Susanna; Langbehn, Tom; Jansson, Eeva; Glover, Kevin Alan; Westgaard, Jon-Ivar (Peer reviewed; Journal article, 2024)
      The greater argentine is a benthopelagic fish with a northern amphi-Atlantic and southern Arctic distribution. Landings of this species have been steadily increasing since the early 2000s, mainly for ultra-processed fish ...

    • Wind-driven upwelling of iron sustains dense blooms and food webs in the eastern Weddell Gyre 

      Moreau, Sebastian; Hattermann, Tore; de Steur, Laura; Kauko, Hanna Maria; Ahonen, Heidi; Ardelan, Murat van; Assmy, Philipp; Chierici, Melissa; Descamps, Sebastien; Dinter, Tilman; Falkenhaug, Tone; Fransson, Agneta; Grønningsæter, Eirik; Hallfredsson, Elvar Halldor; Huhn, Oliver; Lebrun, Anais; Lowther, Andrew; Lübcker, Nico; Monteiro, Pedro; Peeken, Ilka; Roychoudhury, Alakendra; Różańska, Magdalena; Ryan-Keogh, Thomas; Sanchez Puerto, Nicolas; Singh, Asmita; Simonsen, Jan Henrik; Steiger, Nadine; Thomalla, Sandy J.; van Tonder, Andre; Wiktor, Josef M; Steen, Harald (Peer reviewed; Journal article, 2023)
      The Southern Ocean is a major sink of anthropogenic CO2 and an important foraging area for top trophic level consumers. However, iron limitation sets an upper limit to primary productivity. Here we report on a considerably ...