Recent Submissions

  • Ontogeny-Specific Skeletal Deformities in Atlantic Haddock Caused by Larval Oil Exposure 

    Olsvik, Pål Asgeir; Sørhus, Elin; Meier, Sonnich; Torvanger, Ingrid; Thorbjørnsen, Maja; Thorsen, Anders; Sørensen, Lisbet; Fjelldal, Per Gunnar; Karlsen, Ørjan; Guimaraes, Igo G.; Lie, Kai Kristoffer (Peer reviewed; Journal article, 2021)
    Bone deformities are one of the main effects of crude oil exposure in marine fish larvae. Craniofacial and jaw deformities, if severe enough, may restrict feeding and ultimately kill the developing larvae. This study aimed ...
  • Ocean acidification state variability of the Atlantic Arctic Ocean around northern Svalbard 

    Jones, Elizabeth Marie; Chierici, Melissa; Menze, Sebastian; Fransson, Agneta; Ingvaldsen, Randi Brunvær; Lødemel, Helene Hodal (Peer reviewed; Journal article, 2021)
    The Svalbard shelf and Atlantic Arctic Ocean are a transition zone between northward flowing Atlantic Water and ice-covered waters of the Arctic. Effects of regional ocean warming, sea ice loss and greater influence of ...
  • Antibacterial treatment of lumpfish (Cyclopterus lumpus) experimentally challenged with Vibrio anguillarum, atypical Aeromonas salmonicida and Pasteurella atlantica 

    Kverme, Karen Obrestad; Kallekleiv, Marielle; Larsen, Kristina; Rønneseth, Anita; Wergeland, Heidrun I.; Samuelsen, Ole B.; Haugland, Gyri T. (Peer reviewed; Journal article, 2021)
    Lumpfish is a novel farmed species used as cleaner fish for the removal of lice from farmed salmon. As often with new, farmed species, there are challenges with bacterial infections. The frequency of prescription of ...
  • Where and How the East Madagascar Current Retroflection Originates? 

    Ramanantsoa, Heriniaina Juliano Dani; Penven, Pierrick; Pappukutty, Raj Roshin; Renault, Lionel; Ponsoni, L; Ostrowski, Marek; Dilmahamod, A.F; Rouault, M (Peer reviewed; Journal article, 2021)
    The East Madagascar Current (EMC) is one of the western boundary currents of the South Indian Ocean. As such, it plays an important role in the climate system by transporting water and heat toward the pole and recirculating ...
  • The effect of fasting period on swimming performance, blood parameters and stress recovery in Atlantic salmon post molts 

    Hvas, Malthe; Nilsson, Jonatan; Vågseth, Tone; Nola, Velimir; Fjelldal, Per Gunnar; Hansen, Tom Johnny; Oppedal, Frode; Stien, Lars Helge; Folkedal, Ole (Peer reviewed; Journal article, 2021)
    Individually tagged Atlantic salmon postsmolts (≈1200 g, 46 cm) reared in triplicate indoor holding tanks were fasted for 8 weeks at 12 °C and subsequently refed for 5 weeks, whereafter they were transferred to triplicate ...
  • Full production cycle, commercial scale culture of salmon in submerged sea-cages with air domes reduces lice infestation, but creates production and welfare challenges 

    Warren-Myers, Fletcher; Vågseth, Tone; Folkedal, Ole; Stien, Lars Helge; Fosse, Jan Olav; Dempster, Tim; Oppedal, Frode (Peer reviewed; Journal article, 2021)
    Structural modification of sea cages is continually changing to counter major production issues associated with commercial salmon farming. For example, snorkels and skirts are added to cages to reduce salmon lice infestations, ...
  • Tredje samlerapport: Velferd for triploid laks i Nord-Norge - Sluttrapport, utsett 2019 

    Stien, Lars Helge; Sambraus, Florian; Kristiansen, Tore S; Fjelldal, Per Gunnar; Sæther, Per Anton; Martinsen, Lisbeth (Rapport fra havforskningen;2021 - 44, Research report, 2021)
    Denne rapporten tar for seg velferden til 14 grupper av triploid laks satt ut i Nord-Norge vår, sommer og høst 2019. To av gruppene satt ut om våren hadde perfekt utgangspunkt med god smoltkvalitet og feilfri transport. ...
  • Andre samlerapport: velferd for triploid laks i Nord-Norge - Sluttrapport, utsett 2018 

    Stien, Lars Helge; Sambraus, Florian; Sæther, Per Anton; Lind, Mattias Bendiksen; Kristiansen, Tore S; Nilsson, Jonatan; Fjelldal, Per Gunnar (Rapport fra havforskningen;2021 - 13, Research report, 2021)
    Denne rapporten tar for seg velferden til 8 grupper av triploid laks satt ut i Nord-Norge vår, sommer og høst 2018. Vårutsettene fikk varierende velferd og dødelighet. Dette skyltes i stor grad at disse fiskegruppene hadde ...
  • Genomic characterization of multidrug-resistant Bacillus toyonensis strain 4HC1 isolated from marine plastic in Norway 

    Radisic, Vera; Marathe, Nachiket (Peer reviewed; Journal article, 2021)
    Bacillus toyonensis is widespread in nature. Multidrug-resistant B. toyonensis strain 4HC1 was isolated from polyethylene submerged in the water column near a beach in Øygarden, Norway. We analysed the whole genome sequence ...
  • Modellert påvirkning av lakselus på vill laksefisk 

    Lien, Vidar Surén; Johnsen, Ingrid Askeland; Sandvik, Anne Dagrun; Myksvoll, Mari Skuggedal (Rapport fra havforskningen;2021 - 48, Research report, 2021)
    For å estimere påvirkningen lakselus fra oppdrett har på vill laksefisk langs hele norskekysten er det utviklet en rekke modellprodukt. Modellproduktene presentert i denne rapporten er ment å bli vurdert sammen med ...
  • Submerged cage aquaculture of marine fish: a review of the biological challenges and opportunities 

    Sievers, Michael; Korsøen, Øyvind Johan; Warren-Myers, Fletcher; Oppedal, Frode; Macauley, Georgia; Folkedal, Ole; Dempster, Tim (Peer reviewed; Journal article, 2021)
    Surface-based cages are the dominant production technology for the marine finfish aquaculture industry. However, issues such as extreme weather events, poor environmental conditions, interactions with parasites, and conflicts ...
  • En vurdering av lakselusinfestasjonen i produksjonsområdene 2021 - Basert på data fra den nasjonale overvåkingen av lakselus på vill laksefisk (NALO) 

    Karlsen, Ørjan; Serra Llinares, Rosa Maria; Nilsen, Rune; Harvey, Alison C.; Wennevik, Vidar (Rapport fra havforskningen;2021 - 47, Research report, 2021)
    For å estimere smittepresset i fjordene og langs kysten under smoltutvandringen, gjennomføres årlig en undersøkelse av lakselus på vill laksefisk basert på fangst av sjøørret og sjørøye med garn og ruse i alle de 13 ...
  • Population structure of European sprat (Sprattus sprattus) in the Greater North Sea ecoregion revealed by otolith shape analysis 

    Saltalamacchia, Francesco; Berg, Florian; Casini, Michele; Davies, Julie Olivia; Bartolino, Valerio (Peer reviewed; Journal article, 2021)
    A successful discrimination of fish populations is essential for sustainable management and assessment. Otolith shape analysis has been used on several species to reveal their population structure. Our aim was to use the ...
  • Fysisk oseanografiske forhold i produksjonsområdene for akvakultur - Oppdatering september 2021 

    Albretsen, Jon; Asplin, Lars (Rapport fra havforskningen;2021 - 49, Research report, 2021)
    Vintermånedene januar og februar 2021 var relativt kalde i hele landet, og mens den kalde tendensen holdt seg tom. mai for de nordligste produksjonsområdene, så var temperaturforholdene mer normale eller varmere i sørlige, ...
  • Autonomous Surface and Underwater Vehicles as Effective Ecosystem Monitoring and Research Platforms in the Arctic—The Glider Project 

    Camus, Lionel; Andrade, Hector; Aniceto, Ana Sofia; Aune, Magnus; Bandara, Kanchana; Basedow, Sünnje Linnéa; Christensen, Kai Håkon; Cook, Jeremy; Daase, Malin; Dunlop, Katherine Mary; Falk-Petersen, Stig; fietzek, Peter; Fonnes, Gro; Ghaffari, Peygham; Gramvik, Geir; Graves, Inger; Hayes, Daniel; Langeland, Tom; Lura, Harald; Marin, Trond Kristiansen; Nøst, Ole Anders; Peddie, David; Pederick, Joel; Pedersen, Geir; Sperrevik, Ann Kristin; Sørensen, Kai; Tassara, Luca; Tjøstheim, Sigurd; Tverberg, Vigdis; Dahle, Salve (Peer reviewed; Journal article, 2021)
    Effective ocean management requires integrated and sustainable ocean observing systems enabling us to map and understand ecosystem properties and the effects of human activities. Autonomous subsurface and surface vehicles, ...
  • Ice-Associated Amphipods in a Pan-Arctic Scenario of Declining Sea Ice 

    Hop, Haakon; Vihtakari, Mikko; Bluhm, Bodil; Daase, Malin; Gradinger, Rolf; Melnikov, Igor A. (Peer reviewed; Journal article, 2021)
    Sea-ice macrofauna includes ice amphipods and benthic amphipods, as well as mysids. Amphipods are important components of the sympagic food web, which is fuelled by the production of ice algae. Data on the diversity of ...
  • Copernicus Marine Service Ocean State Report, Issue 5 

    von Schuckmann, Karina; Traon, Pierre-Yves; Smith, Neville; Pascual, Ananda; Djavidnia, Samuel; Gattuso, Jean-Pierre; Grégoire, Marilaure; Aaboe, Signe; Alari, Victor; Down, Emily; Knol-Kauffman, Maaike; Lavergne, Thomas; Lien, Vidar Surén; Lind, Sigrid; Møgster, Jane S.; Nilsen, Jan Even Øie; Mork, Kjell Arne; Palerme, Cyril; Raj, Roshin Pappukutty; Vindenes, Håvard (Peer reviewed; Journal article, 2021)
  • Skilful prediction of cod stocks in the North and Barents Sea a decade in advance 

    Koul, Vimal; Sguotti, Camilla; Årthun, Marius; Brune, Sebastian; Dusterhus, Andre; Bogstad, Bjarte; Ottersen, Geir; Baehr, Johanna; Schrum, Corinna (Peer reviewed; Journal article, 2021)
    Reliable information about the future state of the ocean and fish stocks is necessary for informed decision-making by fisheries scientists, managers and the industry. However, decadal regional ocean climate and fish stock ...
  • The impact of surface currents on the wave climate in narrow fjords 

    Christakos, Konstantinos; Björkqvist, Jan-Victor; Breivik, Øyvind; Tuomi, Laura; Furevik, Birgitte Rugaard; Albretsen, Jon (Peer reviewed; Journal article, 2021)
    This study investigates the effect of surface currents on wind-generated waves in a complex coastal system with narrow fjords. The simulations are based on a phase-averaged wave model forced with surface currents from a ...
  • Seasonal Variability in the Zooplankton Community Structure in a Sub-Arctic Fjord as Revealed by Morphological and Molecular Approaches 

    Coguiec, Estelle; Ershova, Elizaveta; Daase, Malin; Vonnahme, Tobias R.; Wangensteen, Owen S.; Gradinger, Rolf; Præbel, Kim; Berge, Jørgen (Peer reviewed; Journal article, 2021)
    Phyto- and zooplankton in Arctic and sub-Arctic seas show very strong seasonal changes in diversity and biomass. Here we document the seasonal variability in the mesozooplankton community structure in a sub-Arctic fjord ...

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