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192 Research products, page 1 of 20

  • 2012-2021
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  • Open Access
    Authors: 
    Torrissen, Ole; Hansen, Pia Kupka; Aure, Jan; Husa, Vivian; Andersen, Sissel; Strohmeier, Tore; Olsen, Rolf Erik;
    Publisher: Havforskningsinstituttet
    Country: Norway

    English: This report gives an estimate of biological production based on dissolved nutrients and particulate organic matter from Norwegian aquaculture. It provides an estimate of the quantitative importance this has in the marine food chain, where nutrients form the bas...

  • Open Access Norwegian
    Authors: 
    Jørgensen, Terje; Løkkeborg, Svein;
    Publisher: Havforskningsinstituttet
    Country: Norway

    Leppefisk er viktig i oppdrettsnæringens lakselusebekjempelse. I 2010 ble det fanget ca. 10 millioner leppefisk til dette formålet. Det blir hevdet at teiner gir fisk av bedre kvalitet enn ruser, og enkelte oppdrettsselskaper kjøper kun leppefisk fanget med teiner. Et f...

  • Open Access Bokmål, Norwegian; Norwegian Bokmål
    Authors: 
    Boitsov, Stepan; Klungsøyr, Jarle; Dolva, Hilde;
    Publisher: Havforskningsinstituttet
    Country: Norway

    Environmental studies were carried out after each of the four largest oil spills from vessels in Norwegian coastal waters: ”Rocknes” in 2004, ”Server” in 2007, ”Full City” in 2009 and ”Godafoss” in 2011. The amount of spilled oil per incident was between 100 and 500 ton...

  • Open Access
    Authors: 
    Steen, Henning; Moy, Frithjof; Bodvin, Torjan;
    Publisher: Havforskningsinstituttet
    Country: Norway

    The Institute of Marine Research monitored the kelp (Laminaria hyperborea) vegetation and sea urchin populations in Nord-Trøndelag in 2014. The survey included previously kelp harvested areas and nearby reference areas, and was performed by underwater video. In addition...

  • Open Access Norwegian
    Authors: 
    Grimsbø, Endre; Godø, Olav Rune;
    Publisher: Havforskningsinstituttet
    Country: Norway
  • Open Access Bokmål, Norwegian; Norwegian Bokmål
    Authors: 
    Valdemarsen, John Willy;
    Publisher: Havforskningsinstituttet
    Country: Norway
  • Open Access Bokmål, Norwegian; Norwegian Bokmål
    Authors: 
    Isaksen, Bjørnar; Misund, Robert; Saltskår, Jostein; LIlleng, Dagfinn;
    Publisher: Havforskningsinstituttet
    Country: Norway
  • Open Access
    Authors: 
    Valdemarsen, John Willy; Nedrebø, Trond; Skulevold, Roy; Sæstad, Arvid;
    Publisher: Havforskningsinstituttet
    Country: Norway
  • Open Access Norwegian
    Authors: 
    Huse, Geir; Kjesbu, Olav Sigurd; Gjøsæter, Harald; Bogstad, Bjarte; Stenevik, Erling Kåre; Holst, Jens Christian; Fossum, Petter; Ingvaldsen, Randi; Johansen, Geir Odd; Skern-Mauritzen, Mette;
    Publisher: Havforskningsinstituttet
    Country: Norway
  • Open Access
    Authors: 
    Bodvin, Torjan; Rinde, Eli; Mortensen, Stein;
    Publisher: Havforskningsinstituttet
    Country: Norway

    Mapping and surveillance of the invasive species pacific oyster are important elements to be able to choose the right management decisions. Collecting of pacific oysters along the coast will be very expensive and can based on our judgment, only be done in selected local...