Browsing Publikasjoner fra CRIStin by Title

Now showing items 2416-2435 of 3038

    • Sea ice decline drives biogeographical shifts of key Calanus species in the central Arctic Ocean 

      Ershova, Elizaveta A.; Kosobokova, Ksenia N.; Banas, Neil S.; Ellingsen, Ingrid; Niehoff, Barbara; Hildebrandt, Nicole; Hirche, Hans-Juergen (Peer reviewed; Journal article, 2021)
      In recent decades, the central Arctic Ocean has been experiencing dramatic decline in sea ice coverage, thickness and extent, which is expected to have a tremendous impact on all levels of Arctic marine life. Here, we ...

    • Sea ice variability and maritime activity around Svalbard in the period 2012–2019 

      Stocker, Alexandra N.; Renner, Angelika; Knol-Kauffman, Maaike (Peer reviewed; Journal article, 2020)
      Climate change is strongly impacting the Arctic environment, leading to rapid sea ice loss. In some sectors, the retreating ice edge is perceived as an opportunity to expand and develop economic activities. Previous studies ...

    • Sea ice, temperature, and prey effects on annual variations in mean lengths of a key Arctic fish, Boreogadus saida, in the Barents Sea 

      Dupont, Nicolas; Durant, Joel Marcel; Langangen, Øystein; Gjøsæter, Harald; Stige, Leif Christian (Peer reviewed; Journal article, 2020)
      Oceanographic conditions in the Arctic are changing, with sea ice cover decreasing and sea temperatures increasing. Our understanding of the effects on marine populations in the area is, however, limited. Here, we focus ...

    • Sea lice prevention strategies affect cleaner fish delousing efficacy in commercial Atlantic salmon sea-cages 

      Gentry, Katherine; Bui, Samantha; Oppedal, Frode; Dempster, Timothy David (Peer reviewed; Journal article, 2020)
      Over the last 2 decades, cleaner fishes have been employed to remove external sea lice parasites from Atlantic salmon Salmo salar in sea cages. Norway, Scotland, Ireland, and the Faroe Islands combined now use ~60 million ...

    • Sea lice removal by cleaner fish in salmon aquaculture: a review of the evidence base 

      Overton, Kathy; Barrett, Luke; Oppedal, Frode; Kristiansen, Tore S; Dempster, Timothy David (Peer reviewed; Journal article, 2020)

    • Sea pens and bamboo corals in Skagerrak and the Norwegian trench 

      Buhl-Mortensen, Lene; Thangstad, Trude Hauge; Søvik, Guldborg; Wehde, Henning (Peer reviewed; Journal article, 2023)
      This study presents the distribution and abundance of key species of the vulnerable marine ecosystems (VMEs) ‘Coral gardens’ and ‘Sea pen and burrowing megafauna’ in Skagerrak and the Norwegian trench. It is based on 543 ...

    • Sea temperature effects on depth use and habitat selection in a marine fish community 

      Freitas, Carla; Villegas-Ríos, David; Moland, Even; Olsen, Esben Moland (Peer reviewed; Journal article, 2021)
      Understanding the responses of aquatic animals to temperature variability is essential to predict impacts of future climate change and to inform conservation and management. Most ectotherms such as fish are expected to ...

    • Sea trout adapt their migratory behaviour in response to high salmon lice concentrations 

      Halttunen, Elina; Gjelland, Karl Øystein; Hamel, Sandra; Serra-Llinares, Rosa Maria; Nilsen, Rune; Arechavala-Lopez, Pablo; Skardhamar, Jofrid; Johnsen, Ingrid Askeland; Asplin, Lars; Karlsen, Ørjan; Bjørn, Pål Arne; Finstad, Bengt (Peer reviewed; Journal article, 2017)
      Sea trout face growth – mortality trade-offs when entering the sea to feed. Salmon lice epizootics resulting from aquaculture have shifted these trade-offs, as salmon lice might both increase mortality and reduce growth ...

    • Sea trout Salmo trutta in the subarctic: home-bound but large variation in migratory behaviour between and within populations 

      Strøm, John Fredrik; Jensen, Jenny L. A.; Nikolopoulos, Anna; Nordli, Eivind; Bjørn, Pål Arne; Bøhn, Thomas (Peer reviewed; Journal article, 2021)

    • Sea-level variability and change along the Norwegian coast between 2003 and 2018 from satellite altimetry, tide gauges, and hydrography 

      Mangini, Fabio; Chafik, Leon Martin; Bonaduce, Antonio; Bertino, Laurent; Nilsen, Jan Even Øie (Peer reviewed; Journal article, 2022)
      Sea-level variations in coastal areas can differ significantly from those in the nearby open ocean. Monitoring coastal sea-level variations is therefore crucial to understand how climate variability can affect the densely ...

    • Seafood in Food Security: A Call for Bridging the Terrestrial-Aquatic Divide 

      Stetkiewicz, Stacia; Norman, Rachel A.; Allison, Edward H.; Andrew, Neil L.; Ara, Gulshan; Banner-Stevens, Gill; Belton, Ben; Beveridge, Malcolm; Bogard, Jessica R.; Bush, Simon R.; Coffee, Pete; Crumlish, Margaret; Edwards, Peter; Eltholth, Mahmoud; Falconer, Lynne; Ferreira, Joao G.; Garrett, Angus; Gatward, Iain; Islam, Faruk U.; Kaminski, Alexander M.; Kjellevold, Marian; Kruijssen, Froukje; Leschen, William; Mamun, Abdullah-Al; McAdam, Bruce J.; Newton, Richard; Krogh-Poulsen, Birgitte; Pounds, Alexandra; Richardson, Belinda; Roos, Nanna; Roos, E.; Schapper, Andrea; Spence-McConnell, Tori; Suri, Sharon K.; Thilsted, Shakuntala H.; Thompson, Kim D.; Tlusty, Michael F.; Troell, Max; Vignola, Raffaele; Young, James A.; Zhang, Wenbo; Little, David C. (Peer reviewed; Journal article, 2021)
      The contribution of seafood to global food security is being increasingly highlighted in policy. However, the extent to which such claims are supported in the current food security literature is unclear. This review assesses ...

    • Seafood intake and the development of obesity, insulin resistance and type 2 diabetes 

      Liaset, Bjørn; Øyen, Jannike; Jacques, Helene; Kristiansen, Karsten; Madsen, Lise (Journal article; Peer reviewed, 2019)
      We provide an overview of studies on seafood intake in relation to obesity, insulin resistance and type 2 diabetes. Overweight and obesity development is for most individuals the result of years of positive energy balance. ...

    • Seafood production in Northern Norway: Analyzing variation and co-development in aquaculture and coastal fisheries 

      Espinasse, Marina; Mikkelsen, Eirik Inge; Sørbye, Sigrunn Holbek; Skern-Mauritzen, Mette; Falk-Andersson, Jannike; Fauchald, Per (Peer reviewed; Journal article, 2023)
      Norway is one of the leading ocean-based food production nations. Its seafood industry comprises wild-capture fisheries and farmed fish production. Both industries play a provisional role but also contribute to economic ...

    • Seamounts in the OSPAR maritime area - from species to ecosystems 

      Kutti, Tina; Windsland, Kristin; Broms, Cecilie; Falkenhaug, Tone; Biuw, Martin; Thangstad, Trude Hauge; Bergstad, Odd Aksel (Rapport fra havforskningen;2019 - 42, Research report, 2019)
      This report was prepared by the Institute of Marine Research, Norway, for the Norwegian Environment Agency, as part of Norway´s contribution to OSPAR. The report summarizes the latest knowledge on species and habitats ...

    • Seascape genomics reveals population isolation in the reef-building honeycomb worm, Sabellaria alveolata (L.) 

      Muir, Anna P.; Dubois, Stanislas F.; Ross, Rebecca; Firth, Louise B.; Knights, Antony M.; Lima, Fernando P.; Seabra, Rui; Corre, Erwan; Le Corguillé, Gildas; Nunes, Flavia L.D. (Peer reviewed; Journal article, 2020)
      Under the threat of climate change populations can disperse, acclimatise or evolve in order to avoid fitness loss. In light of this, it is important to understand neutral gene flow patterns as a measure of dispersal ...

    • Seasonal and interannual variability in abundance and population development of Calanus finmarchicus at the western entrance to the Barents Sea, 1995–2019 

      Skjoldal, Hein Rune; Aarflot, Johanna Myrseth; Bagøien, Espen; Skagseth, Øystein; Rønning, Jon S.; Lien, Vidar Suren (Peer reviewed; Journal article, 2021)
      Data on copepodid abundance and stage composition of Calanus finmarchicus was collected with seasonal resolution (5–6 times a year) from four stations along an oceanographic transect across the western Barents Sea Opening ...

    • Seasonal and Spatial Distribution Patterns of Ichthyoplankton Along the West Coast of Sri Lanka 

      Silva, Alankarage Pubudini Ranahansik; Jayasinghe, Rankiri Pathirannahelage P. K.; Rathnasuriya, Mahadurage I. G.; Guruge, Kahawe Palliya Guruge K. P.; Haputhantri, Sasira; Dalpadado, Padmini (Peer reviewed; Journal article, 2021)
      Fundamental understanding of fish resources has become a crucial need in Sri Lanka for the sustainable management of fish stocks. Knowledge of ichthyoplankton essential in identifying the spawning dynamics of fish is scarce ...

    • Seasonal Changes in Photoperiod: Effects on Growth and Redox Signaling Patterns in Atlantic Salmon Postsmolts 

      Yin, Peng; Saito, Takaya; Fjelldal, Per Gunnar; Björnsson, Björn Thrandur; Remø, Sofie C.; Hansen, Tom Johnny; Sharma, Sandeep; Olsen, Rolf-Erik; Hamre, Kristin (Peer reviewed; Journal article, 2023)
      Farmed Atlantic salmon reared under natural seasonal changes in sea-cages had an elevated consumption of antioxidants during spring. It is, however, unclear if this response was caused by the increase in day length, ...

    • Seasonal Cycle of Sea Surface Salinity in the Angola Upwelling System 

      Awo, F.M.; Rouault, M.; Ostrowski, Marek; Tomety, F.S.; Da-Allada, C.Y.; Jouanno, J. (Peer reviewed; Journal article, 2022)
      The seasonal cycle of sea surface salinity (SSS) along the Angolan coast is investigated using observations and a regional ocean model. The model reproduces the main characteristic of the seasonal cycle of SSS along the ...

    • Seasonal dynamics and life histories of three sympatric species of Pseudocalanus in two Svalbard fjords 

      Ershova, Elizaveta A; Nyeggen, Margot U.; Yurikova, Daria A.; Søreide, Janne E. (Peer reviewed; Journal article, 2021)
      Small copepods are the most diverse and numerous group in high-latitude zooplankton, yet our knowledge of important species remains poor because of the difficulties involved in correct species identification. In this study, ...