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Viser treff 2037-2056 av 3056

    • Overvåkning av jodstatus og jodrelaterte stoffskiftesykdommer i Norge – en kartlegging av behov og muligheter og anbefalinger for veien videre 

      Abel, Marianne Hope; Dahl, Lisbeth; Brantsæter, Anne Lise; Åsvold, Bjørn Olav (Research report, 2023)
      I Norge, og i de fleste andre land i verden, må jod tilsettes i næringskjeden for å hindre jodmangel i befolkningen. Jod tilsettes i dag i fôret til husdyr, og melk har siden 1950 vært den viktigste kilden til jod i ...

    • Overvåkningsprogram for skjell - Årsrapport 2003 

      Julshamn, Kåre; Duinker, Arne; Lundebye, Anne-Katrine; Lunestad, Bjørn Tore (Research report, 2004)
      I 2003 ble det fra 50 lokaliteter høstet til sammen 160 skjellprøver for mikrobiologisk analyse, hvorav 151 var blåskjell, fem var kamskjell og fire var østers. For metallanalyser ble det tatt prøver av blåskjell fra 53 ...

    • Overvåkningsprogram for skjell - Årsrapport 2004 

      Julshamn, Kåre; Måge, Amund (Research report, 2005)
      I 2004 ble det høstet til sammen 160 skjellprøver fra 50 lokaliteter for mikrobiologisk analyse, hvorav 151 var blåskjell, fem var kamskjell og fire var østers. For metallanalyser ble det tatt prøver av blåskjell fra 53 ...

    • Overvåkningsprogram for skjell - Årsrapport 2005 

      Julshamn, Kåre; Måge, Amund (Research report, 2006)
      I 2005 ble det tatt ut til sammen 160 skjellprøver fra 50 lokaliteter, hvorav 151 var blåskjell, fem var kamskjell og fire var østers. I tillegg ble det i 2005 også prøvetatt snegl i regi av programmet. For metallanalyser ...

    • Overview report on ecological quality (EcoQ) and ecological quality objectives (EcoQOs) : report prepared within the framework of the OSPAR commission 

      Skjoldal, Hein Rune (Research report, 1999)
      This report summarizes work done on the topic of setting Ecological Quality Objectives (EcoQOs) within the Oslo and Paris Commission. Norway has acted at lead country for this topic. The report was approved for publication ...

    • Overwintering behaviour of yellow-stage European eel (Anguilla anguilla) in a natural marine fjord system 

      Rohtla, Mehis; Moland, Even; Skiftesvik, Anne Berit; Thorstad, Eva Bonsak; Bosgraaf, Sebastian; Olsen, Esben Moland; Browman, Howard; Durif, Caroline (Peer reviewed; Journal article, 2022)
      Like many animals, northern temperate eel can enter a hibernation-like state and become dormant during the winter. Knowledge of overwintering behaviour in eel is sparse and mainly based on anecdotal observations and a few ...

    • Overwintering distribution, inflow patterns and sustainability of Calanus finmarchicus in the North Sea 

      Gao, Shuang; Hjøllo, Solfrid Sætre; Falkenhaug, Tone; Strand, Espen; Edwards, Martin; Skogen, Morten D. (Peer reviewed; Journal article, 2021)
      Calanoid copepods are key taxa in the North Sea as they are the main food source for many fish stocks, such as herring, mackerel and cod. In this study we use an individual-based model for Calanus finmarchicus embedded in ...

    • Oxygen and temperature influence the distribution of deepwater Cape hake Merluccius paradoxus in the southern Benguela: a GAM analysis of a 10-year time-series 

      Mbatha, FL; Yemane, D; Ostrowski, Marek; Moloney, Coleen L; Lipinski, MR (Journal article; Peer reviewed, 2019)
      Generalised additive models (GAMs) were applied to survey data to assess the influence of dissolved oxygen, water temperature and year of sampling upon the presence/absence of small (≤15 cm TL), medium (16–34 cm TL) and ...

    • Oxygen gradients affect behaviour of caged Atlantic salmon Salmo salar 

      Oldham, Tina; Dempster, Tim; Fosse, Jan Olav; Oppedal, Frode (Peer reviewed; Journal article, 2017)
      Dissolved oxygen (DO) conditions in marine aquaculture cages are heterogeneous and fluctuate rapidly. Here, by temporarily wrapping a tarpaulin around the top 0 to 6 m of a marine cage (~2000 m3), we manipulated DO to ...

    • Oxygen Uptake and Osmotic Balance of Atlantic Salmon in Relation to Exercise and Salinity Acclimation 

      Hvas, Malthe; Nilsen, Tom Ole; Oppedal, Frode (Peer reviewed; Journal article, 2018)
      The fish gill is subject to an osmorespiratory compromise in physiologically demanding situations where conditions that favor gas exchange may compromise osmotic balance, especially when large gradients between the blood ...

    • Pan-Arctic suitable habitat model for Greenland halibut 

      Vihtakari, Mikko; Hordoir, Robinson; Treble, Margret A; Bryan, Meaghan D.; Elvarsson, Bjarki; Nogueira, Adriana; Hallfredsson, Elvar H.; Christiansen, Jørgen Schou; Albert, Ole Thomas (Peer reviewed; Journal article, 2021)
      Deep-sea marine fishes support important fisheries but estimates of their distributions are often incomplete as the data behind them may reflect fishing practices, access rights, or political boundaries, rather than actual ...

    • Panel-based Assessment of Ecosystem Condition of Norwegian Barents Sea Shelf Ecosystems 

      Siwertsson, Anna; Husson, Berengere; Arneberg, Per; Assmann, Karen; Assmy, Philipp; Aune, Magnus; Bogstad, Bjarte; Børsheim, Knut Yngve; Cochrane, Sabine K.J.; Daase, Malin; Fauchald, Per; Frainer, André; Fransson, Agneta; Hop, Haakon; Höffle, Hannes; Gerland, Sebastian; Ingvaldsen, Randi Brunvær; Jentoft, Sissel; Kovacs, Kit M.; Leonard, Deanna Marie; Lind, Sigrid; Lydersen, Christian; Pavlova, Olga; Peuchet, Laurene; Primicerio, Raul; Renaud, Paul Eric; Solvang, Hiroko Kato; Skaret, Georg; van der Meeren, Gro Ingleid; Wassmann, Paul; Øien, Nils Inge (Rapport fra havforskningen;2023 - 14, Research report, 2023)
      The System for Assessment of Ecological Condition, coordinated by the Norwegian Environment Agency, is intended to form the foundation for evidence-based assessments of the ecological condition of Norwegian terrestrial and ...

    • Panel-based Assessment of Ecosystem Condition of Norwegian Barents Sea Shelf Ecosystems - Appendices 

      Siwertsson, Anna; Husson, Berengere; Arneberg, Per; Assmann, Karen; Assmy, Philipp; Aune, Magnus; Bogstad, Bjarte; Børsheim, Knut Yngve; Cochrane, Sabine K.J.; Daase, Malin; Fauchald, Per; Frainer, André; Fransson, Agneta; Hop, Haakon; Höffle, Hannes; Gerland, Sebastian; Ingvaldsen, Randi Brunvær; Jentoft, Sissel; Kovacs, Kit M.; Leonard, Deanna Marie; Lind, Sigrid; Lydersen, Christian; Pavlova, Olga; Peuchet, Laurene; Primicerio, Raul; Renaud, Paul Eric; Solvang, Hiroko Kato; Skaret, Georg; van der Meeren, Gro Ingleid; Wassmann, Paul; Øien, Nils Inge (Rapport fra havforskningen;2023 - 15, Research report, 2023)

    • Panel-based Assessment of Ecosystem Condition of the North Sea Shelf Ecosystem 

      Arneberg, Per; Husson, Berengere; Siwertsson, Anna; Albretsen, Jon; Børsheim, Knut Yngve; Denechaud, Côme; Durant, Joël; Falkenhaug, Tone; Fauchald, Per; Opdal, Anders Martin Frugård; Jentoft, Sissel; Johannessen, Tore; Johnsen, Espen; Jones, Elizabeth Marie; Kvamme, Cecilie; Ljungström, Anna Jeja Gabriella; Buhl-Mortensen, Pål; Reecht, Yves; Solvang, Hiroko Kato; Skogen, Morten D.; Slotte, Aril; Strand, Espen; Søvik, Guldborg; van der Meeren, Gro Ingleid (Rapport fra havforskningen;2023 - 17, Research report, 2023)
      The System for Assessment of Ecological Condition, coordinated by the Norwegian Environment Agency, is intended to form the foundation for evidence-based assessments of the ecological condition of Norwegian terrestrial and ...

    • Panel-based Assessment of Ecosystem Condition of the North Sea Shelf Ecosystem - Appendices 

      Arneberg, Per; Husson, Berengere; Siwertsson, Anna; Albretsen, Jon; Børsheim, Knut Yngve; Denechaud, Côme; Durant, Joël; Falkenhaug, Tone; Fauchald, Per; Opdal, Anders Martin Frugård; Jentoft, Sissel; Johannessen, Tore; Johnsen, Espen; Jones, Elizabeth Marie; Kvamme, Cecilie; Ljungström, Anna Jeja Gabriella; Buhl-Mortensen, Pål; Reecht, Yves; Solvang, Hiroko Kato; Skogen, Morten D.; Slotte, Aril; Strand, Espen; Søvik, Guldborg; van der Meeren, Gro Ingleid (Rapport fra havforskningen;2023 - 18, Research report, 2023)

    • Panel-based Assessment of Ecosystem Condition of the Norwegian Sea Pelagic Ecosystem 

      Arneberg, Per; Siwertsson, Anna; Husson, Berengere; Børsheim, Knut Yngve; Fauchald, Per; Hjøllo, Solfrid Sætre; Høines, Åge Sigurd; Jones, Elizabeth Marie; Melle, Webjørn Raunsgård; Nøttestad, Leif; Planque, Benjamin; Skagseth, Øystein; Slotte, Aril; Solvang, Hiroko Kato; Stenevik, Erling Kåre (Rapport fra havforskningen;2023 -16, Research report, 2023)
      The System for Assessment of Ecological Condition, coordinated by the Norwegian Environment Agency, is intended to form the foundation for evidence-based assessments of the ecological condition of Norwegian terrestrial and ...

    • The pantophysin gene and its relationship with survival in early life stages of Atlantic cod: Pantophysin in Atlantic cod 

      Otterå, Håkon Magne; Johansen, Torild; Folkvord, Arild; Dahle, Geir; Bingh, Marte Kristine Solvang; Westgaard, Jon-Ivar; Glover, Kevin (Peer reviewed; Journal article, 2020)
      Genetic markers are widely used in fisheries management around the world. While the genetic structure and markers selected are usually based on samples from the wild, very few controlled experiments have been carried out ...

    • A Paradise for Rare Species: Tanaidacean Fauna of the West African Continental Margin 

      Jóźwiak, Piotr; Pabis, Krzysztof; Sobczyk, Robert; Serigstad, Bjørn (Peer reviewed; Journal article, 2022)
      The benthic ecology of the Gulf of Guinea is critically understudied, and knowledge about the composition and biodiversity of the tanaidacean communities remains lacking. Our analysis of tanaidacean collection from 270 ...

    • Parameter-sparse modification of Fourier methods to analyse the shape of closed contours with application to otolith outlines 

      Harbitz, Alf (Journal article; Peer reviewed, 2016-02-05)
      Elliptical Fourier descriptors (EFDs) have been used extensively in shape analysis of closed contours and have a range of marine applications, such as automatic identification of fish species and discrimination between ...

    • Parasite development affect dispersal dynamics; infectivity, activity and energetic status in cohorts of salmon louse copepodids 

      Skern-Mauritzen, Rasmus; Sissener, Nini; Sandvik, Anne Dagrun; Meier, Sonnich; Sævik, Pål Næverlid; Skogen, Morten D.; Vågseth, Tone; Dalvin, Sussie; Skern-Mauritzen, Mette; Bui, Samantha (Peer reviewed; Journal article, 2020)
      The salmon louse, Lepeophtheirus salmonis, is a parasitic copepod infecting wild and farmed salmonid fishes in the northern hemisphere. It has a direct lifecycle with a planktonic dispersal phase and an infective copepodid ...