Now showing items 1-20 of 9695

    • Insufficient risk assessment of herbicide-tolerant genetically engineered soybeans intended for import into the EU 

      Miyazaki, Juliana; Bauer-Panskus, Andreas; Bøhn, Thomas; Reichenbecher, Wolfram; Then, Christoph (Journal article; Peer reviewed, 2019)
      The introduction of herbicide-tolerant (HT) genetically engineered (GE) soybeans has raised new challenges for the European risk assessment of imported food and feed. Food and feed products derived from these plants may ...
    • Identification of ethoxyquin and its transformation products in salmon after controlled dietary exposure via fish feed 

      Merel, Sylvain Alain Yves; Regueiro, Jorge; Berntssen, Marc; Hannisdal, Rita; Ørnsrud, Robin; Negreira, Noelia (Journal article; Peer reviewed, 2019)
      Ethoxyquin (EQ) is an additive present in fish feed and its fate in fish should be carefully characterized due to food safety concerns regarding this compound. Therefore, the objective of this work was to identify the ...
    • Effects of chitin synthesis inhibitor treatment on Lepeophtheirus salmonis (Copepoda, Caligidae) larvae 

      Hardardottir, Hulda; Male, Rune; Nilsen, Frank; Dalvin, Sussie (Journal article; Peer reviewed, 2019)
      The salmon louse (Lepeophtheirus salmonis) is an ectoparasite infecting Atlantic salmon (Salmo salar), which causes substantial problems to the salmon aquaculture and threatens wild salmon. Chitin synthesis inhibitors ...
    • Otolith δ13C values as a metabolic proxy: Approaches and mechanical underpinnings 

      Chung, Ming-Tsung; Trueman, Clive N.; Godiksen, Jane Aanestad; Grønkjær, Peter (Journal article; Peer reviewed, 2019)
      Knowledge of metabolic costs associated with maintenance, foraging, activity and growth under natural conditions is important for understanding fish behaviours and the bioenergetic consequences of a changing environment. ...
    • Polar cod egg and larval drift patterns in the Svalbard archipelago 

      Eriksen, Elena; Huserbråten, Mats Brockstedt Olsen; Gjøsæter, Harald; Vikebø, Frode Bendiksen; Albretsen, Jon (Journal article; Peer reviewed, 2019)
      Spawning of polar cod (Boreogadus saida) in the vicinity of the Svalbard archipelago has not been directly observed. From the distribution pattern of polar cod 0-group observed during annual monitoring of the Barents Sea, ...
    • Application of polychaetes in (de)coupled integrated aquaculture: production of a high quality marine resource. 

      Nederlof, M.A.J; Jansen, Henrice M; Dahlgren, Thomas Gunnar; Fang, J.; Meier, Sonnich; Strand, Øivind; Sveier, Harald; Verdegem, M.C.J.; Smaal, A.C. (Journal article; Peer reviewed, 2019)
      Capitella sp. and Ophryotrocha craigsmithi received a diet of salmon feces to evaluate their potential to convert fish waste into valuable marine products, e.g. ingredients for fish feed formulation. Production rate and ...
    • Dynamical controls on the longevity of a non-linear vortex : The case of the Lofoten Basin Eddy 

      Bosse, Anthony; Fer, Ilker; Lilly, Jonathan M.; Søiland, Henrik (Journal article; Peer reviewed, 2019)
      The Lofoten Basin is the largest oceanic reservoir of heat in the Nordic Seas, and the site of important heat fluxes to the atmosphere. An intense permanent anticyclone in the basin impacts the regional hydrography, ...
    • Comparative transcriptome analysis of trout skin pigment cells 

      Djurdjevic, Ida; Furmanek, Tomasz; Miyazawa, Seita; Susnik Bajec, Simona (Journal article; Peer reviewed, 2019)
      Background Enormous variability in skin colour and patterning is a characteristic of teleost fish, including Salmonidae fishes, which present themselves as a suitable model for studying mechanisms of pigment patterning. ...
    • Density‐ and size‐dependent mortality in fish early life stages 

      Stige, Leif Christian; Rogers, Lauren; Neuheimer, Anna B.; Hunsicker, Mary E.; Yaragina, Natalia A.; Ottersen, Geir; Ciannelli, Lorenzo; Langangen, Øystein; Durant, Joel Marcel (Journal article; Peer reviewed, 2019)
      The importance of survival and growth variations early in life for population dynamics depends on the degrees of compensatory density dependence and size dependence in survival at later life stages. Quantifying density‐ ...
    • Offshore crude oil disrupts retinoid signaling and eye development in larval Atlantic haddock 

      Lie, Kai Kristoffer; Meier, Sonnich; Sørhus, Elin; Edvardsen, Rolf; Karlsen, Ørjan; Olsvik, Pål Asgeir (Journal article; Peer reviewed, 2019)
      The aim of this study was to examine the impact of dispersed crude oil on retinoid metabolism and signaling in developing haddock larvae (Melanogrammus aeglefinus). Retinoids and its active metabolites are involved in the ...
    • The use of photoperiods to provide year round spawning in lumpfish Cyclopterus lumpus 

      Imsland, Albert; Hangstad, Thor Arne; Jonassen, Thor Magne; Stefansson, Sigurd Olav; Nilsen, Tom Ole; Hovgaard, Peter; Elvegård, Tor Anders; Lindberg, Ken Ståle; Mikalsen, Bjørn; Urskog, Tonje Cecilie; Norberg, Birgitta; Andersson, Eva; Spetland, Frank; Reynolds, Patrick (Journal article; Peer reviewed, 2019)
      In order to provide year round spawning broodstock, lumpfish (initial size 746 g and 24.9 cm) were reared under four different photoperiod regimes from January 2017 to July 2018. One group was reared under simulated natural ...
    • Flesh quality of Atlantic salmon smolts reared at different temperatures and photoperiods 

      Imsland, Albert; Roth, Bjørn; Døskeland, Inge; Fjelldal, Per Gunnar; Stefansson, Sigurd Olav; Handeland, Sigurd O; Mikalsen, Bjørn (Journal article; Peer reviewed, 2019)
      Possible interactive effects of temperature and photoperiod on flesh quality in Atlantic salmon post‐smolts were studied. Juvenile (initial mean weight 96.0 g ± 3.1 SEM) Atlantic salmon were reared at six different ...
    • A first assessment of glyphosate, 2,4-D and Cry proteins in surface water of South Africa 

      Horn, Suranie; Bøhn, Thomas; Peters, Rialet (Journal article; Peer reviewed, 2019)
      Agriculture plays a vital role in the South African economy, as well as in the production of maize for food. Genetically modified maize is transformed to encode for crystalline (Cry) proteins found in Bacillus thuringiensis ...
    • Sensitivity of the Norwegian and Barents Sea Atlantis end-to-end ecosystem model to parameter perturbations of key species 

      Hansen, Cecilie; Drinkwater, Kenneth F.; Jähkel, Anne; Fulton, Elizabeth A.; Gorton, Rebecca; Skern-Mauritzen, Mette (Journal article; Peer reviewed, 2019)
      Using end-to-end models for ecosystem-based management requires knowledge of the structure, uncertainty and sensitivity of the model. The Norwegian and Barents Seas (NoBa) Atlantis model was implemented for use in ‘what ...
    • Circulation patterns in the Gulf of Finland from daily to seasonal timescales 

      Westerlund, Antti; Tuomi, Laura; Alenius, Pekka; Myrberg, Kai; Miettunen, Elina; Vankevich, Roman; Hordoir, Robinson (Journal article; Peer reviewed, 2019)
      We studied circulation patterns in the Gulf of Finland (GoF), an estuary-like sub-basin of the Baltic Sea. Circulation patterns in the GoF are complex and vary from season to season and year to year. Estuarine circulation ...
    • Feeding of plankton in turbulent oceans and lakes 

      Pécseli, Hans L.; Trulsen, Jan K.; Stiansen, Jan Erik; Sundby, Svein; Fossum, Petter (Journal article; Peer reviewed, 2019)
      Analytical models for the statistical distribution of the gut content of fish larvae in a turbulent ocean environment are compared to data obtained in a field experiment. The proposed model allows the nutrition state and ...
    • Positive and negative feedbacks related to the Arctic Oscillation revealed by air-sea heat fluxes 

      Zhao, Jinping; Drinkwater, Kenneth F.; Wang, Xin (Journal article; Peer reviewed, 2019)
      The NCEP reanalysis data of surface heat fluxes and other related data are used to study their relationship with the Arctic Oscillation (AO). Positive and negative high correlation regions (HCR) between heat fluxes and the ...
    • The UN decade of ocean science for sustainable development 

      Ryabinin, Vladimir; Barbière, Julian; Haugan, Peter M.; Kullenberg, Gunnar; Smith, Neville; McLean, Craig; Troisi, Ariel; Fischer, Albert S.; Aricò, Salvatore; Aarup, Thorkild; Pissierssens, Peter; Visbeck, Martin; Enevoldsen, Henrik; Rigaud, Julie (Journal article; Peer reviewed, 2019)
      Our civilization needs a clean, resilient, productive, safe, well-observed, documented and predicted ocean. “The ocean we need for the future we want” was the motto of the Intergovernmental Oceanographic Commission proposal ...
    • Inferring Atlantic salmon post-smolt migration patterns using genetic assignment 

      Harvey, Alison C.; Sanchez, Maria Quintela; Glover, Kevin; Karlsen, Ørjan; Nilsen, Rune; Skaala, Øystein; Sægrov, Harald; Kolås, Steinar; Knutar, Sofie; Wennevik, Vidar (Journal article; Peer reviewed, 2019)
      Understanding migratory patterns is important for predicting and mitigating unwanted consequences of environmental change or anthropogenic challenges on vulnerable species. Wild Atlantic salmon undergo challenging migrations ...
    • Sudden change in long-term ocean climate fluctuations corresponds with ecosystem alterations and reduced recruitment in Norwegian spring-spawning herring (Clupea harengus, Clupeidae) 

      Toresen, Reidar; Skjoldal, Hein Rune; Vikebø, Frode Bendiksen; Martinussen, Monica Bente (Journal article; Peer reviewed, 2019)
      Fish stocks vary in abundance. The causes behind the fluctuations may be difficult to determine, especially ones caused by natural fluctuations, but long‐term data series may provide indications of the mechanisms. Assessments ...