Now showing items 1134-1153 of 1564

    • Rainbow trout Oncorhynchus mykiss skin responses to salmon louse Lepeophtheirus salmonis: From copepodid to adult stage 

      Dalvin, Sussie; VG Jørgensen, Louise; Kania, Per W.; Grotmol, Sindre; Buchmann, Kurt; Øvergård, Aina-Cathrine (Peer reviewed; Journal article, 2020)
      The marine crustacean Lepeophtheirus salmonis (salmon louse) is a common ectoparasite of wild and farmed salmonids. The parasite has a complex ontogeny comprising eight instars. The planktonic copepodid stage settles on ...
    • A ranking method of chemical substances in foods for prioritisation of monitoring, based on health risk and knowledge gaps 

      Mathisen, Gro Haarklou; Alexander, Jan; Fæste, Christiane Kruse; Husøy, Trine; Knutsen, Helle Katrine; Ørnsrud, Robin; Steffensen, Inger-Lise (Peer reviewed; Journal article, 2020)
      Chemical contaminants are present in all foods. Data on the occurrence of contaminants in foods that are often consumed or contain high contaminant concentrations are critical for the estimation of exposure and evaluation ...
    • Ranking of substances for monitoring in foods, drinks and dietary supplements - based on risk and knowledge gaps 

      Steffensen, Inger-Lise; Fæste, Christiane Kruse; Husøy, Trine; Knutsen, Helle Katrine; Mathisen, Gro Haarklou; Ørnsrud, Robin; Agdestein, Angelika; Bodin, Johanna Eva; Elvevoll, Edel O.; Hessen, Dag Olav; Hofshagen, Merete; Krogdahl, Åshild; Nilsen, Asbjørn Magne; Rafoss, Trond; Skjerdal, Olaug Taran; Velle, Gaute; Wasteson, Yngvild; Hemre, Gro Ingunn; Vandvik, Vigdis; Alexander, Jan (VKM Report, Research report, 2019)
    • Rapid climate-driven circulation changes threaten conservation of endangered north atlantic right whales 

      Record, Nicholas R; Runge, Jeffrey A.; Pendleton, Daniel; Balch, William M; Davies, Kimberley T A; Pershing, Andrew; Johnson, Catherine Lynn; Stamieszkin, Karen; Ji, Rubao; Feng, Zhixuan; Kraus, Scott D; Kenney, Robert D; Hudak, Christy A; Mayo, Charles A; Chen, Changsheng; Salisbury, Joseph E.; Thompson, Cameron (Journal article; Peer reviewed, 2019)
      As climate trends accelerate, ecosystems will be pushed rapidly into new states, reducing the potential efficacy of conservation strategies based on historical patterns. In the Gulf of Maine, climate-driven changes have ...
    • Rapid life-history evolution in a wild Daphnia pulex population in response to novel size-dependent predation 

      Wathne, Ingrid; Enberg, Katja; Jensen, Knut Helge; Heino, Mikko Petteri (Peer reviewed; Journal article, 2020)
      The effect of size-selective predation on prey communities and their traits is well documented, but the relative roles of genetic adaptation and phenotypic plasticity continue to be debated. We looked for evidence of genetic ...
    • Rapport - Forsøksfiske etter mesopelagiske arter : M/S Ligrunn, september 2019 

      Bjordal, Åsmund (Rapport fra havforskningen;2019 - 56, Research report, 2019)
      De siste 50 år har det vært spredte forsøk på høsting av mesopelagisk fisk. Etter globalt rekordestimat av denne ressursen, ble det rundt 2015 ny interesse for å utvikle et fiskeri etter mesopelagiske arter. Havforskning ...
    • Rapport fra høstundersøkelsene med strandnot i indre og ytre Oslofjord 2018 

      Espeland, Sigurd Heiberg; Knutsen, Halvor (Rapport fra havforskningen;2019 - 1, Research report, 2019)
      Rapporten oppsummerer resultater fra funn som ble gjort ved gjennomføring av forsøksfiske med strandnot i indre og ytre Oslofjord i 2018. Registreringene er gjort som del av Havforskningsinstituttets høstundersøkelse som ...
    • Råstoffkilder for anvendelse som attraktanter i fabrikkert agn 

      Løkkeborg, Svein; Bogevik, André Sture; Humborstad, Odd Børre; Utne-Palm, Anne Christine (Rapport fra havforskningen;, Research report, 2016)
    • Reaction norm analysis reveals rapid shifts toward delayed maturation in harvested Lake Erie yellow perch (Perca flavescens) 

      Gíslason, Davíð; Heino, Mikko Petteri; Robinson, Beren W.; McLaughlin, Robert B.; Dunlop, Erin S. (Journal article; Peer reviewed, 2019)
      Harvested marine fish stocks often show a rapid and substantial decline in the age and size at maturation. Such changes can arise from multiple processes including fisheries‐induced evolution, phenotypic plasticity, and ...
    • “Real-time” genetic monitoring of a commercial fishery on the doorstep of an MPA reveals unique insights into the interaction between coastal and migratory forms of the Atlantic cod 

      Johansen, Torild; Westgaard, Jon-Ivar; Seliussen, Bjørghild Breistein; Nedreaas, Kjell Harald; Dahle, Geir; Glover, Kevin; Kvalsund, Roger; Aglen, Asgeir (Journal article; Peer reviewed, 2017)
      With the decline of many of the world’s fisheries, increased regulation, including marine protected areas (MPA), forms an increasingly important role in promoting sustainable resource use. Here, we present a novel “real-time” ...
    • Recent changes in distribution and relative abundance of cetaceans in the Norwegian Sea and their relationship with potential prey 

      Nøttestad, Leif; Krafft, Bjørn Arne; Anthonypillai, Valentine; Bernasconi, Matteo; Langård, Lise; Mørk, Herdis Langøy; Fernö, Anders (Journal article; Peer reviewed, 2015)
    • Recent trend reversal for declining European seagrass meadows 

      de los Santos, Carmen B; Krause-Jensen, Dorte; Alcoverro, Teresa; Marba, Núria; Duarte, Carlos M.; van Katwijk, Marieke M; Perez, Marta; Romero, Javier; Sanchez-Lizaso, Jose L; Roca, Guillem; Jankowska, Emilia; Perez-Llorens, Jose Lucas; Fournier, Jérôme; Montefalcone, Monica; Pergent, Gerard; Ruiz, Juan M; Cabaco, Susana; Cook, Kevan; Wilkes, Robert J; Moy, Frithjof Emil; Trayter, Gregori Munoz-Ramos; Arano, Xavier Seglar; de Jong, Dick J; Fernandez-Torquemada, Yolanda; Auby, Isabelle; Vergara, Juan J; Santos, Rui (Journal article; Peer reviewed, 2019)
      Seagrass meadows, key ecosystems supporting fisheries, carbon sequestration and coastal protection, are globally threatened. In Europe, loss and recovery of seagrasses are reported, but the changes in extent and density ...
    • Recent warming and freshening of the Norwegian Sea observed by Argo data 

      Mork, Kjell Arne; Skagseth, Øystein; Søiland, Henrik (Journal article; Peer reviewed, 2019)
      Climate variability in the Norwegian Sea, comprising the Norwegian and Lofoten Basins, was investigated based upon monthly estimates of ocean heat and freshwater contents using data from Argo floats during 2002–18. Both ...
    • ReCodLiver0.9: Overcoming Challenges in Genome-Scale Metabolic Reconstruction of a Non-model Species 

      Hanna, Eileen Marie; Zhang, Xiaokang; Eide, Marta; Fallahi, Shirin; Furmanek, Tomasz; Yadetie, Fekadu; Zielinski, Daniel Craig; Goksøyr, Anders; Jonassen, Inge (Peer reviewed; Journal article, 2020)
      The availability of genome sequences, annotations, and knowledge of the biochemistry underlying metabolic transformations has led to the generation of metabolic network reconstructions for a wide range of organisms in ...
    • Recommendations for dietary level of micro-minerals and vitamin D3 to Atlantic salmon (Salmo salar) parr and post-smolt when fed low fish meal diets 

      Antony Jesu Prabhu, Antony Jesu Prabhu; Lock, Erik-Jan; Hemre, Gro Ingunn; Hamre, Kristin; Espe, Marit; Olsvik, Pål Asgeir; Silva, Joana; Hansen, Ann-Cecilie; Johansen, Johan; Sissener, Nini; Waagbø, Rune (Journal article; Peer reviewed, 2019)
      Atlantic salmon (Salmo salar) feeds have changed drastically in their composition from being predominantly marine-based to plant-based. This has altered the dietary supply and availability of micro-nutrients to Atlantic ...
    • Reconstruction of the birth of a male sex chromosome present in Atlantic herring 

      Rafati, Nima; Chen, Junfeng; Herpin, Amaury; Pettersson, Mats; Han, Fan; Feng, Chungang; Wallerman, Ola; Rubin, Carl-Johan; Péron, Sandrine; Cocco, Arianna; Larsson, Mårten; Trötschel, Christian; Poetsch, Ansgar; Korsching, Kai; Bönigk, Wolfgang; Körschen, Heinz G.; Berg, Florian; Folkvord, Arild; Benjamin Kaupp, Kaupp; Schartl, Manfred; Andersson, Leif (Peer reviewed; Journal article, 2020)
      The mechanisms underlying sex determination are astonishingly plastic. Particularly the triggers for the molecular machinery, which recalls either the male or female developmental program, are highly variable and have ...
    • The record-warm Barents Sea and 0-group fish response to abnormal conditions 

      Eriksen, Elena; Bagøien, Espen; Strand, Espen; Primicerio, Raul; Prokhorova, Tatiana; Trofimov, Alexander; Prokopchuk, Irina (Peer reviewed; Journal article, 2020)
      The Barents Sea is a nursery area for many commercially and ecologically important fish stocks, and this whole region is presently subject to rapid climatic change from a cold period in the 1980s to a record warm period ...
    • Recorded captures of American lobster (Homarus Americanus) in Swedish waters and an observation of predation on the European lobster (Homarus Gammarus) 

      Øresland, Vidar; Ulmestrand, Mats; Agnalt, Ann-Lisbeth; Oxby, Gert (Peer reviewed; Journal article, 2017)
    • Recovery from exhaustive swimming and its effect on fillet quality in haddock (Melanogrammus aeglefinus) 

      Karlsson-Drangsholt, Anders; Svalheim, Ragnhild Aven; Aas-Hansen, Øyvind; Olsen, Stein Harris; Midling, Kjell Øivind; Breen, Michael; Grimsbø, Endre; Johnsen, Helge K. (Journal article; Peer reviewed, 2018)
      Wild haddock (Melanogrammus aeglefinus) of commercial size (0.8–2.49 kg, 45–60 cm) were swum to exhaustion in a large swim tunnel and then allowed to recuperate for 0, 3 or 6 h, to investigate the effects of exhaustive ...
    • Recreational sea fishing in Europe in a global context—Participation rates, fishing effort, expenditure, and implications for monitoring and assessment 

      Kieran, Hyder; Weltersbach, Marc Simon; Armstrong, Mark; Ferter, Keno; Townhill, Bryony; Ahvonen, Anssi; Arlinghaus, Robert; Baikov, Andrei; Bellanger, Manuel; Birzaks, Janis; Borch, Trude Kristin; Cambie, Giulia; de Graaf, Martin; Diogo, Hugo M C; Dziemian, Lukasz; Gordoa, Ana; Grzebielec, Ryszard; Hartill, Bruce; Kagervall, Anders; Kapiris, Kostas; Karlsson, Martin; Kleiven, Alf Ring; Lejk, Adam M; Levrel, Harold; Lovell, Sabrina; Lyle, Jeremy; Miolanen, Pentti; Monkman, Graham; Morales-Nin, Beatriz; Mugerza, Estanis; Martinez, Roi; O'Reilly, Paul F; Olesen, Hans Jakob; Papadopoulos, Anastasios; Pita, Pablo; Radford, Zachary; Radtke, Krzysztof; Roche, William; Rocklin, Delphine; Ruiz, Jon; Scougal, Callum; Silvestri, Roberto; Skov, Christian; Steinback, Scott; Sundeløf, Andreas; Svagzdys, Arvydas; Turnbull, David; van der Hammen, Tessa; van Voorhees, David; van Winsen, Frankwin; Verleye, Thomas J; Veiga, Pedro; Vølstad, Jon Helge; Zarauz, Lucia; Zolubas, Tomas; Strehlow, Harry Vincent (Journal article; Peer reviewed, 2017)
      Marine recreational fishing (MRF) is a high-participation activity with large economic value and social benefits globally, and it impacts on some fish stocks. Although reporting MRF catches is a European Union legislative ...