• Alien plants, animals, fungi and algae in Norway: an inventory of neobiota 

      Sandvik, Hanno; Dolmen, Dag; Elven, Reidar; Falkenhaug, Tone; Forsgren, Elisabet; Hansen, Haakon; Hassel, Kristian; Husa, Vivian; Kjærstad, Gaute; Ødegaard, Frode; Pedersen, Hans Christian; Solheim, Halvor; Stokke, Bård Gunnar; Åsen, Per Arvid; Åström, Sandra Charlotte Helene; Brandrud, Tor Erik; Elven, Hallvard; Endrestøl, Anders; Finstad, Anders Gravbrøt; Fredriksen, Stein; Gammelmo, Øivind; Gjershaug, Jan Ove; Gulliksen, Bjørn; Hamnes, Inger Sofie; Hatteland, Bjørn Arild; Hegre, Hanne; Hesthagen, Trygve H.; Jelmert, Anders; Jensen, Thomas Correll; Johnsen, Stein Ivar; Karlsbakk, Egil; Magnusson, Christer; Nedreaas, Kjell Harald; Nordén, Björn; Oug, Eivind; Pedersen, Oddvar; Pedersen, Per Anker; Sjøtun, Kjersti; Skei, Jon Kristian; Solstad, Heidi; Sundheim, Leif; Swenson, Jon; Syvertsen, Per Ole; Talgø, Venche; Vandvik, Vigdis; Westergaard, Kristine Bakke; Wienerroither, Rupert; Ytrehus, Bjørnar; Hilmo, Olga; Henriksen, Snorre; Gederaas, Lisbeth (Journal article; Peer reviewed, 2019)
      We present the results of an inventory and status assessment of alien species in Norway. The inventory covered all known multicellular neobiota, 2496 in total, 1039 of which were classified as naturalised. The latter ...
    • Alien species in Norway: results from quantitative ecological impact assessments 

      Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Journal article, 2020)
      1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ...
    • Alien species in Norway: results from quantitative ecological impact assessments 

      Sandvik, Hanno; Hilmo, Olga; Henriksen, Snorre; Elven, Reidar; Åsen, Per Arvid; Hegre, Hanne; Pedersen, Oddvar; Pedersen, Per Anker; Solstad, Heidi; Vandvik, Vigdis; Westergaard, Kristine Bakke; Ødegaard, Frode; Åström, Sandra Charlotte Helene; Elven, Hallvard; Endrestøl, Anders; Gammelmo, Øivind; Hatteland, Bjørn Arild; Solheim, Halvor; Nordén, Björn; Sundheim, Leif; Talgø, Venche; Falkenhaug, Tone; Gulliksen, Bjørn; Jelmert, Anders; Oug, Eivind; Sundet, Jan Henry; Forsgren, Elisabet; Finstad, Anders Gravbrøt; Hesthagen, Trygve H.; Nedreaas, Kjell Harald; Wienerroither, Rupert; Husa, Vivian; Fredriksen, Stein; Sjøtun, Kjersti; Steen, Henning; Hansen, Haakon; Hamnes, Inger Sofie; Karlsbakk, Egil; Magnusson, Christer; Ytrehus, Bjørnar; Pedersen, Hans Christian; Swenson, Jon; Syvertsen, Per Ole; Stokke, Bård Gunnar; Gjershaug, Jan Ove; Dolmen, Dag; Kjærstad, Gaute; Johnsen, Stein Ivar; Jensen, Thomas Correll; Hassel, Kristian; Gederaas, Lisbeth (Peer reviewed; Journal article, 2020)
      1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in ...
    • Biomassekartlegging av Laminaria digitata i Smøla-området 

      Sjøtun, Kjersti; Olsen, Bernt R.; Eggereide, Sarah Fagertun (Fisken og havet, Research report, 2004)
      The biomass density of Laminaria digitata was examined on a total of 28 stations in the Smøla area (the county of Møre og Romsdalen). The highest abundance of L. digitata was found in the outermost and most wave-exposed ...
    • Climatic and environmental factors influencing occurrence and distribution of macroalgae – a fjord gradient revisited 

      Sjøtun, Kjersti; Husa, Vivian; Asplin, Lars; Sandvik, Anne Dagrun (Journal article; Peer reviewed, 2015-07-21)
      During the last decades, trends of increasing sea water temperatures and precipitation have been observed in the North Atlantic. Increasing sea water temperatures are expected to have strong effects on coastal benthic ...
    • Climatic and environmental factors influencing occurrence and distribution of macroalgae – a fjord gradient revisited 

      Sjøtun, Kjersti; Husa, Vivian; Asplin, Lars; Sandvik, Anne Dagrun (Peer reviewed; Journal article, 2015)
    • Hardangerfjorden under lupa; Interaksjonar mellom økosystem, akvakultur og bereevne og klimaendringar 

      Skaala, Øystein; Sjøtun, Kjersti; Husa, Vivian; Falkenhaug, Tone; Kvamme, Cecilie; Bjelland, Otte; Asplin, Lars; Buhl-Mortensen, Pål; Hansen, Pia Kupka; Ervik, Arne (Havforskningstema;Nr.1-2009, Working paper, 2009)
    • Havets miljø 2004 

      Sjøtun, Kjersti (Fisken og havet, særnummer;2-2004, Research report, 2004-03)
    • Historical changes in macroalgal communities in Hardangerfjord (Norway) 

      Husa, Vivian; Steen, Henning; Sjøtun, Kjersti (Journal article; Peer reviewed, 2013-10-15)
      Hardangerfjord is the second largest fjord in Norway and is situated on the southwest coast. During the last century the fjord has been influenced by a variety of anthropogenous activities such as industry, hydro-electrical ...
    • Historical changes in macroalgal communities in Hardangerfjord (Norway) 

      Husa, Vivian; Steen, Henning; Sjøtun, Kjersti (Peer reviewed; Journal article, 2014)
    • Historical changes in macroalgal communities in Hardangerfjorden 

      Husa, Vivian; Steen, Henning; Sjøtun, Kjersti (Conference object, 2012)
    • Kartlegging av fremmede marine arter i Hordaland 

      Husa, Vivian; Heggøy, Erling; Sjøtun, Kjersti; Agnalt, Ann-Lisbeth; Johansen, Per-Otto; Glenner, Henrik; Hatlen, Kristin (DN-utredning;2-2012, Research report, 2012-03)
      The method Rapid Coastal Survey was applied in a pilot project in the county of Hordaland in autumn 2010. The abundance of 21 introduced target species was investigated in 32 marinas in the area. No new species to ...
    • Miljøkvalitet i Hardangerfjorden 

      Husa, Vivian; Kutti, Tina; Hansen, Pia Kupka; Sjøtun, Kjersti; Steen, Henning; Aure, Jan (Conference object, 2013-05-03)
    • Overvaking av gjenvekst av tare etter tråling i Sør-Trøndelag [26/6 - 6/7, 2002] 

      Sjøtun, Kjersti ([Toktrapport/Havforskningsinstituttet];Nr. 15, Working paper, 2002-12-06)
    • Overvaking av stortaregjenvekst og kråkebolleførekomster etter prøvetråling i Sør-Trøndelag 

      Sjøtun, Kjersti; Christie, Hartvig; Fosså, Jan Helge (Fisken og havet, Research report, 2001)
      Regrowth of kelp (Laminaria hyperborea) after a previous experimental harvesting, density of sea urchins, and density of kelp in unharvested areas were examined at 5 localities in the county of Sør-Trøndelag, Mid-Norway, ...
    • Regional impact from fin-fish farming in an intensive production area (Hardangerfjord, Norway) 

      Husa, Vivian; Kutti, Tina; Ervik, Arne; Sjøtun, Kjersti; Hansen, Pia Kupka; Aure, Jan (Journal article; Peer reviewed, 2013-10-15)
      The Hardangerfjord is one of the largest salmon-farming areas in Norway, with an annual production of approximately 70,000 metric tonnes. The regional impact of fin-fish farming in a fjord environment was studied during ...
    • Regional impact from fin-fish farming in an intensive production area (Hardangerfjord, Norway) 

      Husa, Vivian; Kutti, Tina; Ervik, Arne S; Sjøtun, Kjersti; Hansen, Pia Kupka; Aure, Jan (Peer reviewed; Journal article, 2014)
    • Ressursgrunnlag for taretråling og gjenvekst etter prøvetråling i Sør-Trøndelag 

      Sjøtun, Kjersti; Christie, Hartvig; Fosså, Jan Helge (Fisken og havet, Research report, 2000)
      Laminaria hyperborea dominates the kelp zone of the outer and most wave-exposed areas of Norway, and is harvested for the production of alginate in southwestern Norway. In 1997 the Directorate of Fisheries permitted ...
    • Will establishment of an introduced red alga result in local biodiversity changes? 

      Husa, Vivian; Sjøtun, Kjersti; Brattenborg, Narve; Lein, Tor Eiliv (Conference object, 2005-10)