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    • Age prediction by deep learning applied to Greenland halibut (Reinhardtius hippoglossoides) otolith images 

      Martinsen, Ivar; Harbitz, Alf; Bianchi, Filippo Maria (Peer reviewed; Journal article, 2022)
      Otoliths (ear-stones) in the inner ears of vertebrates containing visible year zones are used extensively to determine fish age. Analysis of otoliths is a time-consuming and difficult task that requires the education of ...

    • Age, growth, and mortality of the myctophid fish, Benthosema glaciale (Reinhardt), from western Norway 

      Gjøsæter, Jakob (Journal article; Peer reviewed, 1973-05-18)
      Age and growth of Benthosema glaciale collected by midwater trawl in western Norway have been studied. Otoliths were used for age determination. The mean annual mortality in age groups I to IV was 52%. Older specimens were ...

    • Age-dependent patterns of spatial autocorrelation in fish populations 

      Marquez, Jonatan; Sæther, Bernt-Erik; Aanes, Sondre; Engen, Steinar; Salthaug, Are; Lee, Aline Magdalena (Peer reviewed; Journal article, 2021)
      The degree of spatial autocorrelation in population fluctuations increases with dispersal and geographical covariation in the environment, and decreases with strength of density dependence. Because the effects of these ...

    • Agonistic and potentiating effects of perfluoroalkyl substances (PFAS) on the Atlantic cod (Gadus morhua) peroxisome proliferator-activated receptors (Ppars) 

      Söderström, Sofie Karin; Lille-Langøy, Roger; Yadetie, Fekadu; Rauch, Mateusz; Milinski, Ana; Dejaegere, Annick; Stote, Roland H.; Goksøyr, Anders; Karlsen, Odd André (Peer reviewed; Journal article, 2022)
      Toxicity mediated by per- and polyfluoroalkyl substances (PFAS), and especially perfluoroalkyl acids (PFAAs), has been linked to activation of peroxisome proliferator-activated receptors (Ppar) in many vertebrates. Here, ...

    • Air-dried stockfish of Northeast Arctic cod do not carry viable anisakid nematodes 

      Bao, Miguel; Cipriani, Paolo; Giulietti, Lucilla; Roiha, Irja Sunde; Paoletti, Michela; Palomba, Marialetizia; Levsen, Arne (Peer reviewed; Journal article, 2020)
      A total of 80 stockfish fillets of Northeast Arctic cod (Gadus morhua), traditionally open-air-dried in northern Norway, was examined for the presence and viability of larval parasitic nematodes of the family Anisakidae. ...

    • Akustiske studier av fisk og makroplankton over kontinentalsokkelen og det østlige Norskehavet, mars 1992; fordeling, atferd og metodiske problemer. 

      Torgersen, Thomas (Master thesis, 1995)

    • Alder, vekst, forplantning og ernæring hos nordlig lysprikkfisk, Benthosema glaciale, fra Byfjorden og Herdlefjorden 

      Gjøsæter, Jakob (Master thesis, 1970)

    • Algae associated with coral degradation affects risk assessment in coral reef fishes 

      McCormick, Mark I.; Barry, Randall P; Allan, Bridie Jean Marie (Journal article; Peer reviewed, 2017)
      Habitat degradation alters the chemical landscape through which information about community dynamics is transmitted. Olfactory information is crucial for risk assessment in aquatic organisms as predators release odours ...

    • Algal oil gives control of long-chain omega-3 levels in full-cycle production of Atlantic salmon, without detriment to zootechnical performance and sensory characteristics 

      Santigosa, Ester; Olsen, Rolf-Erik; Madaro, Angelico; Verlhac Trichet, Viviane; Carr, Ian (Peer reviewed; Journal article, 2023)
      The levels of eicosapentaenoic (EPA) and docosahexaenoic (DHA) in salmon fillets have decreased because of the progressive replacement of fish oil (FO). This study contributes to enabling the sustainable growth of aquaculture ...

    • Algal toxin azaspiracid-1 induces early neuronal differentiation and alters peripherin isoform stoichiometry 

      Hjørnevik, Linda Veka; Frøyset, Ann Kristin; Grønset, Toril Anne; Rungruangsak-Torrissen, Krisna; Fladmark, Kari Espolin (Journal article; Peer reviewed, 2015-12-14)
      Azaspiracid-1 is an algal toxin that accumulates in edible mussels, and ingestion may result in human illness as manifested by vomiting and diarrhoea. When injected into mice, it causes neurotoxicological symptoms and ...

    • Alien plants, animals, fungi and algae in Norway: an inventory of neobiota 

      Sandvik, Hanno; Dolmen, Dag; Elven, Reidar; Falkenhaug, Tone; Forsgren, Elisabet; Hansen, Haakon; Hassel, Kristian; Husa, Vivian; Kjærstad, Gaute; Ødegaard, Frode; Pedersen, Hans Christian; Solheim, Halvor; Stokke, Bård Gunnar; Åsen, Per Arvid; Åström, Sandra Charlotte Helene; Brandrud, Tor Erik; Elven, Hallvard; Endrestøl, Anders; Finstad, Anders Gravbrøt; Fredriksen, Stein; Gammelmo, Øivind; Gjershaug, Jan Ove; Gulliksen, Bjørn; Hamnes, Inger Sofie; Hatteland, Bjørn Arild; Hegre, Hanne; Hesthagen, Trygve H.; Jelmert, Anders; Jensen, Thomas Correll; Johnsen, Stein Ivar; Karlsbakk, Egil; Magnusson, Christer; Nedreaas, Kjell Harald; Nordén, Björn; Oug, Eivind; Pedersen, Oddvar; Pedersen, Per Anker; Sjøtun, Kjersti; Skei, Jon Kristian; Solstad, Heidi; Sundheim, Leif; Swenson, Jon; Syvertsen, Per Ole; Talgø, Venche; Vandvik, Vigdis; Westergaard, Kristine Bakke; Wienerroither, Rupert; Ytrehus, Bjørnar; Hilmo, Olga; Henriksen, Snorre; Gederaas, Lisbeth (Journal article; Peer reviewed, 2019)
      We present the results of an inventory and status assessment of alien species in Norway. The inventory covered all known multicellular neobiota, 2496 in total, 1039 of which were classified as naturalised. The latter ...

    • Alien species in Norway: results from quantitative ecological impact assessments 

      Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Journal article, 2020)
      1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ...

    • Alien species in Norway: results from quantitative ecological impact assessments 

      Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Peer reviewed; Journal article, 2020)
      1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ...

    • Alkyl-phenanthrenes in early life stage fish: differential toxicity in Atlantic haddock (Melanogrammus aeglefinus) embryos 

      Donald, Carey; Nakken, Charlotte L.; Sørhus, Elin; Perrichon, Prescilla; Jørgensen, Kåre Bredeli; Bjelland, Hege K.; Stølen, Christine; Kancherla, Sindhu; Mayer, Philipp; Meier, Sonnich (Peer reviewed; Journal article, 2023)
      Tricyclic polycyclic aromatic hydrocarbons (PAHs) are believed to be the primary toxic components of crude oil. Such compounds including phenanthrene are known to have direct effects on cardiac tissue, which lead to ...

    • Alkyl-phenanthrenes in early life stage fish: differential toxicity in Atlantic haddock (Melanogrammus aeglefinus) embryos 

      Donald, Carey; Nakken, Charlotte L.; Sørhus, Elin; Perrichon, Prescilla; Jørgensen, Kåre Bredeli; Bjelland, Hege Kristoffersen; Stølen, Christine; Kancherla, Sindhu; Mayer, Philipp; Meier, Sonnich (Peer reviewed; Journal article, 2023)
      Tricyclic polycyclic aromatic hydrocarbons (PAHs) are believed to be the primary toxic components of crude oil. Such compounds including phenanthrene are known to have direct effects on cardiac tissue, which lead to ...

    • Allee effects and the Allee-effect zone in northwest Atlantic cod 

      Perälä, Tommi; Hutchings, Jeffrey; Kuparinen, Anna (Peer reviewed; Journal article, 2022)
      According to the theory of compensatory dynamics, depleted populations should recover when the threat responsible for their decline is removed because per capita population growth is assumed to be highest when populations ...

    • An along-track Biogeochemical Argo modelling framework: a case study of model improvements for the Nordic seas 

      Yumruktepe, Veli Çağlar; Mousing, Erik Askov; Tjiputra, Jerry; Samuelsen, Annette (Peer reviewed; Journal article, 2023)
      We present a framework that links in situ observations from the Biogeochemical Argo (BGC-Argo) array to biogeochemical models. The framework minimizes the technical effort required to construct a Lagrangian-type 1D modelling ...

    • Altimetry for the future: Building on 25 years of progress 

      Agdalla, Saleh; Kolahchi, Abdolnabi A.; Ablain, Michaeël; Adusumilli, Susheel; Idzanovic, Martina; Johannessen, Johnny Andre; Nilsen, Jan Even Øie; Raj, Roshin Pappukutty; The Altimetry, team (Peer reviewed; Journal article, 2021)
      In 2018 we celebrated 25 years of development of radar altimetry, and the progress achieved by this methodology in the fields of global and coastal oceanography, hydrology, geodesy and cryospheric sciences. Many symbolic ...

    • Amino Acid Carriers of the Solute Carrier Families 7 (SLC7) and 38 (SLC38) Are Involved in Leucine Sensing in the Brain of Atlantic Salmon (Salmo salar) 

      Comesaña, Sara; Lai, Floriana; Jordal, Ann-Elise Olderbakk; Verri, Tiziano; Espe, Marit; Soengas, José L.; Rønnestad, Ivar (Peer reviewed; Journal article, 2021)
      Sensing of amino acids in fish brain, especially branched-chain amino acids (BCAA) like leucine, is involved in regulation of feed intake through different mechanisms. However, there is limited information regarding the ...

    • The Amoebe plan. 1, Overall plan ; 2, Module descriptions 

      Havforskningsinstituttet (Book, 2002)
      A 10-year multidisciplinary research and development project to improve the understanding of the dynamics of the marine ecosystems, and to produce a tool to meet the future increasing demands for an ecological approach to ...