Now showing items 556-575 of 878

    • Observational insights into chlorophyll distributions of subtropical South Indian Ocean eddies 

      Dufois, Francois; Hardman-Mountford, Nick J.; Fernandes, Michelle; Wojtasiewicz, Bozena; Shenoy, Damodar; Slawinski, Dirk; Gauns, Mangesh; Greenwood, Jim; Toresen, Reidar (Peer reviewed; Journal article, 2017)
    • Ocean acidification and desalination: climate-driven change in a Baltic Sea summer microplanktonic community 

      Wulff, Angela; Karlberg, Maria; Olofsson, Malin; Torstensson, Anders; Riemann, Lasse; Steinhoff, Franciska Senta; Mohlin, Malin; Ekstrand, Nina; Chierici, Melissa (Journal article; Peer reviewed, 2018)
      Helcom scenario modelling suggests that the Baltic Sea, one of the largest brackish-water bodies in the world, could expect increased precipitation (decreased salinity) and increased concentration of atmospheric CO2 over ...
    • Ocean Acidification Effects on Atlantic Cod Larval Survival and Recruitment to the Fished Population 

      Stiasny, Martina; Mittermayer, Felix; Sswat, Michael; Voss, Rüdiger; Jutfelt, Fredrik; Chierici, Melissa; Puvanendran, Velmurugu; Mortensen, Atle; Reusch, Thorsten B.H.; Clemmesen, Catriona (Journal article; Peer reviewed, 2016-08-23)
      How fisheries will be impacted by climate change is far from understood. While some fish populations may be able to escape global warming via range shifts, they cannot escape ocean acidification (OA), an inevitable consequence ...
    • Ocean current connectivity propelling the secondary spread of a marine invasive comb jelly across western Eurasia 

      Jaspers, Cornelia; Huwer, Bastian; Antajan, Elvire; Hosia, Aino; Hinrichsen, Hans-Harald; Biastoch, Arne; Angel, Dror; Asmus, Ragnhild; Augustin, Christina; Bagheri, Siamak; Beggs, Steven E.; Balsby, Thorsten J.S.; Boersma, Maarten; Bonnet, Delphine; Christensen, Jens T.; Dänhardt, Andreas; Delpy, Floriane; Falkenhaug, Tone; Finenko, Galina; Fleming, Nicholas E.C.; Fuentes, Veronica; Galil, Bella S.; Gittenberger, Arjan; Griffin, Donal C.; Haslob, Holger; Javidpour, Jamileh; Kamburska, Lyudmila; Kube, Sandra; Langenberg, Victor; Lehtiniemi, Maiju; Lombard, Fabien; Malzahn, Arne; Marambio, Macarena; Mihneva, Veselina; Møller, Lene Friis; Niermann, Ulrich; Okyar, Melek Isinibilir; Ôzdemir, Zekiye Birinci; Pitois, Sophie; Reusch, Thorsten B.H.; Robbens, Johan; Stefanova, Kremena; Thibault, Delphine; van der Veer, Henk W.; Vansteenbrugge, Lies; van Walraven, Lodewijk; Woźniczka, Adam (Journal article; Peer reviewed, 2018)
      Invasive species are of increasing global concern. Nevertheless, the mechanisms driving further distribution after the initial establishment of non‐native species remain largely unresolved, especially in marine systems. ...
    • Ocean futures under ocean acidification, marine protection, and changing fishing pressures explored using a worldwide suite of ecosystem models 

      Olsen, Erik Joel Steinar; Kaplan, Isaac C.; Ainsworth, Cameron; Fay, Gavin; Gaichas, Sarah; Gamble, Robert; Girardin, Raphael; Eide, Cecilie H; Ihde, Thomas F; Morzaria-Luna, Hem Nalini; Johnson, Kelli F; Savina-Rolland, Marie; Townsend, Howard; Weijerman, Mariska; Fulton, Elizabeth A.; Link, Jason S. (Journal article; Peer reviewed, 2018)
      Ecosystem-based management (EBM) of the ocean considers all impacts on and uses of marine and coastal systems. In recent years, there has been a heightened interest in EBM tools that allow testing of alternative management ...
    • Ocean sprawl facilitates dispersal and connectivity of protected species 

      Henry, Lea-Anne; Mayorga-Adame, Claudia G; Fox, Alan D; Polton, Jeff A; Ferris, Joseph S; McLellan, Faron; McCabe, Chris; Kutti, Tina; Roberts, J. Murray (Journal article; Peer reviewed, 2018)
      Highly connected networks generally improve resilience in complex systems. We present a novel application of this paradigm and investigated the potential for anthropogenic structures in the ocean to enhance connectivity ...
    • Ocorrência dos tubarões demersais ao longo da costa angolana 

      Costa, Nilsa; Estevão, Virgilio; Zaera-Perez, Diana (Conference object, 2015)
    • Oil droplet fouling and differential toxicokinetics of polycyclic aromatic hydrocarbons in embryos of Atlantic haddock and cod 

      Sørensen, Lisbet; Sørhus, Elin; Nordtug, Trond; Incardona, John P.; Linbo, Tiffany; Giovanetti, Laura; Karlsen, Ørjan; Meier, Sonnich (Peer reviewed; Journal article, 2017)
      The impact of crude oil pollution on early life stages (ELS) of fish, including larvae and embryos, has received considerable attention in recent years. Of the organic components present in crude oil, polycyclic aromatic ...
    • Oil from transgenic Camelina sativa containing over 25 % n-3 long-chain PUFA as the major lipid source in feed for Atlantic salmon (Salmo salar) 

      Betancor, Mónica B.; Li, Keshuai; Bucerzan, Valentin S.; Sprague, Matthew; Sayanova, Olga; Usher, Sarah; Han, Lihua; Norambuena, Fernando; Torrissen, Ole; Napier, Johnathan A.; Tocher, Douglas R.; Olsen, Rolf Erik (Journal article; Peer reviewed, 2018)
      Facing a bottleneck in the growth of aquaculture, and a gap in the supply and demand of the highly beneficial n-3 long-chain PUFA (LC-PUFA), sustainable alternatives to traditional marine-based feeds are required. Therefore, ...
    • Oksidativt stress, vårdropp i pigmentering og produksjonslidelser hos laks 

      Hamre, Kristin; Remø, Sofie C.; Ørnsrud, Robin; Oveland, Eystein; Merel, Sylvain; Waagbø, Rune; Micallef, Giulia; Hillestad, Marie; Johansen, Johan (Rapport fra havforskningen;2019 - 16, Research report, 2019)
      I lakseoppdrett opplever man noen ganger en reduksjon i pigmentering av fileten i forbindelse med økt vekst i vårsesongen når temperatur og daglengde øker. I EU-prosjektet ARRAINA fant vi økt oksidativ status i fisk samplet ...
    • Oljeforurensning i Hjeltefjorden etter forliset av KNM «Helge Ingstad» 

      Boitsov, Stepan; Klungsøyr, Jarle (Rapport fra havforskningen;2019 - 24, Research report, 2019)
      Havforskningsinstituttet har like etter forliset i november 2018 på oppdrag fra Kystverket analysert 24 samleprøver av filet av atlantisk laks (Salmo salar) fra 6 oppdrettsanlegg ved Hjeltefjorden plassert nedstrøms for ...
    • Omega-3 and alpha-tocopherol provide more protection against contaminants in novel feeds for Atlantic salmon (Salmo salar L.) than omega-6 and gamma tocopherol 

      Søfteland, Liv Ingeborg Rosvoll; Berntssen, Marc; Kirwan, Jennifer A.; Størseth, Trond Røvik; Viant, Mark.R.; Torstensen, Bente Elisabeth; Waagbø, Rune; Olsvik, Pål Asgeir (Peer reviewed; Journal article, 2016)
      Extended use of plant ingredients in Atlantic salmon farming has increased the need for knowledge on the effects of new nutrients and contaminants in plant based feeds on fish health and nutrient-contaminant interactions. ...
    • One mechanism contributing to co-variability of the Atlantic inflow branches to the Arctic 

      Lien, Vidar Surén; Vikebø, Frode Bendiksen; Skagseth, Øystein (Peer reviewed; Journal article, 2013)
    • OpenDrift v1.0: A generic framework for trajectory modelling 

      Dagestad, Knut-Frode; Röhrs, Johannes; Breivik, Øyvind; Ådlandsvik, Bjørn (Journal article; Peer reviewed, 2018)
      OpenDrift is an open-source Python-based framework for Lagrangian particle modelling under development at the Norwegian Meteorological Institute with contributions from the wider scientific community. The framework is ...
    • Opportunities for advancing ecosystem-based management in a rapidly changing, high latitude ecosystem 

      Skern-Mauritzen, Mette; Olsen, Erik Joel Steinar; Huse, Geir (Journal article; Peer reviewed, 2018)
      Unprecedented and rapid changes are ongoing in northern high latitude, marine ecosystems, due to climate warming. Species distributions and abundances are changing, altering both ecosystem structure and dynamics. At the ...
    • Opposite selection on behavioural types by active and passive fishing gears in a simulated guppy Poecilia reticulata fishery 

      Diaz Pauli, Beatriz; Wiech, Martin; Heino, Mikko Petteri; Utne-Palm, Anne Christine (Peer reviewed; Journal article, 2015)
    • Ossification of Atlantic cod (Gadus morhua) – Developmental stages revisited 

      Sæle, Øystein; Haugen, Trine; Karlsen, Ørjan; van der Meeren, Terje; Bæverfjord, Grete; Hamre, Kristin; Rønnestad, Ivar; Moren, Mari; Lie, Kai Kristoffer (Peer reviewed; Journal article, 2017)
      In studies of marine larvae, it is common to use days post-hatch as a developmental reference point. We show that age is a poor measure of morphological and physiological development in Atlantic cod. Therefore, we propose ...
    • OURO Etneelva 2018 

      Skaala, Øystein; Glover, Kevin; Fjeldheim, Per Tommy; Kaja Christine, Andersen (Rapport fra havforskningen;2019 - 11, Research report, 2019)
      I 2018 vart fiskefella i Etneelva sett i drift 16. mars og registreringa pågjekk til 10. november. Det var noko redusert effektivitet på grunn av høg vassføring i periodar mellom 15. september til 17. oktober, og til saman ...
    • Overvåking av Ytre Oslofjord 2014-2018. Tilførsler og undersøkelser i vannmassene i 2014. Fagrapport. 

      Naustvoll, Lars Johan; Norli, Marit; Selvik, John Rune; Walday, Mats (NIVA-rapport;6818-2015, Research report, 2015-04-27)
      Overvåkingsprogrammet av vannmassene i Ytre Oslofjord skal fremskaffe informasjon om miljøtilstand og tilførsler til området, med fokus på næringssalter (eutrofi). Rapporten beskriver tilførsler for 2013 samt presenterer ...
    • Overvåking av Ytre Oslofjord 2014-2018. Tilførsler og undersøkelser i vannmassene i 2015. Fagrapport. 

      Naustvoll, Lars Johan; Norli, Marit; Selvik, John Rune; Walday, Mats Gunnar (Research report, 2016)
      Overvåkningsprogrammet av vannmassene i Ytre Oslofjord fremskaffer informasjon om miljøtilstand og tilførsler, med fokus på næringssalter (eutrofi). Rapporten beskriver tilførsler for 2014 samt undersøkelser og resultater ...