• Alder og vekst hos de ulike artene av leppefisk i utbredelsesområdet 

      Skiftesvik, Anne Berit; Durif, Caroline M.F.; Bjelland, Reidun M. (Rapport fra Havforskningen;Nr. 3-2013, Working paper, 2013-01)
      De ulike leppefiskartene har forskjellige livshistorier. Bergnebb vokser seint, men ganske jevnt gjennom livet. De vil ha en alder på 4-5 år før de når fangbar størrelse på 11 cm som var instestørrelsen i 2012. Grønngylt ...
    • Analysis of European eel (Anguilla anguilla) time series in Norway 

      Durif, Caroline M.F.; Knutsen, Jan Atle; Johannessen, Tore; Vøllestad, Leif Asbjørn (Fisken og havet, Research report, 2008)
      The European eel Anguilla anguilla is found all over Europe and in extremely diverse habitats both in freshwater and saltwater systems. Its life strategy also varies, from catadromous to a strictly marine life cycle. Eels ...
    • Artsfordeling og bestandsstørrelser for de ulike artene av leppefisk i de undersøkte områdene 

      Skiftesvik, Anne Berit; Durif, Caroline M.F.; Bjelland, Reidun M.; Browman, Howard I. (Rapport fra Havforskningen;Nr. 15 - 2012, Working paper, 2012-04)
      Sammensetningen av leppefiskarter er signifikant forskjellige mellom alle lokalitetene som ble undersøkt, også mellom lokaliteter som ligger nær hverandre. De dominerende artene var grønngylt og bergnebb alle steder foruten ...
    • Effect of Sub-Lethal Exposure to Ultraviolet Radiation on the Escape Performance of Atlantic Cod Larvae (Gadus morhua) 

      Fukunishi, Yuichi; Browman, Howard I.; Durif, Caroline M.F.; Bjelland, Reidun M.; Skiftesvik, Anne Berit (Journal article; Peer reviewed, 2012-04-19)
      The amount of ultraviolet (UV) radiation reaching the earth’s surface has increased due to depletion of the ozone layer. Several studies have reported that UV radiation reduces survival of fish larvae. However, indirect ...
    • Grazing Rates of Calanus finmarchicus on Thalassiosira weissflogii Cultured under Different Levels of Ultraviolet Radiation 

      Fields, David M.; Durif, Caroline M.F.; Bjelland, Reidun M.; Shema, Steven D.; Skiftesvik, Anne Berit; Browman, Howard I. (Journal article; Peer reviewed, 2011-10-18)
      UVB alters photosynthetic rate, fatty acid profiles and morphological characteristics of phytoplankton. Copepods, important grazers of primary production, select algal cells based upon their size, morphological traits, ...
    • Influence of oceanic factors on Anguilla anguilla (L.) over the twentieth century in coastal habitats of the Skagerrak, southern Norway 

      Durif, Caroline M.F.; Gjøsæter, Jakob; Vøllestad, Leif Asbjørn (Journal article; Peer reviewed, 2010-08-26)
      The European eel (Anguilla anguilla L.) is distributed all over Europe, but reproduction takes place in the Atlantic Ocean, in the Sargasso Sea. The population has been undergoing a steady decline since the 1980s. The eel ...
    • Kunnskapsstatus leppefisk : Utfordringer i et økende fiskeri 

      Espeland, Sigurd Heiberg; Nedreaas, Kjell Harald; Mortensen, Stein H.; Skiftesvik, Anne Berit; Agnalt, Ann-Lisbeth; Durif, Caroline M.F.; Harkestad, Lisbeth S.; Karlsbakk, Egil; Knutsen, Halvor; Thangstad, Trond; Jørstad, Knut Eirik; Bjordal, Åsmund; Gjøsæter, Jakob (Fisken og havet;7-2010, Research report, 2010-11-15)
      Over the past few years there has been a rapid increase in the use of wrasses as cleanerfish for sealice on salmon farms. During 2010, the landed catch of wrasse was 440 tons, more than twice the 2009 catch and nearly ten ...
    • Magnetic Compass Orientation in the European Eel 

      Durif, Caroline M.F.; Browman, Howard I.; Phillips, John B.; Skiftesvik, Anne Berit; Vøllestad, Leif Asbjørn; Stockhausen, Hans Hagen (Journal article; Peer reviewed, 2013-03-15)
      European eel migrate from freshwater or coastal habitats throughout Europe to their spawning grounds in the Sargasso Sea. However, their route (~ 6000 km) and orientation mechanisms are unknown. Several attempts have been ...
    • Wrasse (Labridae) as cleaner fish in salmonid aquaculture – The Hardangerfjord as a case study 

      Skiftesvik, Anne Berit; Blom, Geir; Agnalt, Ann-Lisbeth; Durif, Caroline M.F.; Browman, Howard I.; Bjelland, Reidun M.; Harkestad, Lisbeth S.; Farestveit, Eva; Paulsen, Ole Ingar; Fauske, Merete; Havelin, Trond; Johnsen, Knut; Mortensen, Stein (Journal article; Peer reviewed, 2013-10-15)
      Several species of wrasse (Labridae) are used as cleaner fish to remove salmon lice from farmed Atlantic salmon. We estimated the fishery and use of wrasse in Hardangerfjord. The estimated numbers of labrids used on salmon ...