Blar i NIVA Open Access Archive på forfatter "Øverjordet, Ida Beathe"

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    • Effects of sample preparation on methylmercury concentrations in arctic organisms 

      Braaten, Hans Fredrik Veiteberg; Harman, Christopher Peter; Øverjordet, Ida Beathe; Larssen, Thorjørn (Journal article; Peer reviewed, 2014)
      The biogeochemical cycling of mercury (Hg) in the marine environment is an issue of global concern, as consumption of marine fish is a major route of human exposure to the toxic specie methylmercury (MeHg). The most widely ...

    • Methylmercury biomagnification in an Arctic pelagic food web 

      Ruus, Anders; Øverjordet, Ida Beathe; Braaten, Hans Fredrik Veiteberg; Evenset, Anita; Christensen, Guttorm N.; Heimstad, Eldbjørg Sofie; Gabrielsen, Geir W.; Borgå, Katrine (Journal article; Peer reviewed, 2015)
      Mercury (Hg) is a toxic element that enters the biosphere from natural and anthropogenic sources, and emitted gaseous Hg enters the Arctic from lower latitudes by long-range transport. In aquatic systems, anoxic conditions ...

    • Monitoring ocean water quality by deployment of lumpfish (Cyclopterus lumpus) eggs: In situ bioaccumulation and toxicity in embryos 

      Hansen, Bjørn Henrik; Nordtug, Trond; Øverjordet, Ida Beathe; Sørensen, Lisbet; Kvæstad, Bjarne; Davies, Emlyn John; Meier, Sonnich; Gomes, Tania; Brooks, Steven; Farkas, Julia (Peer reviewed; Journal article, 2022)
      Fish embryos can bioaccumulate and are particularly sensitive to a wide range of contaminants, which makes them suitable sentinels for environmental biomonitoring. However, fish embryos are very rarely utilized in environmental ...

    • Mortality and transcriptional effects of inorganic mercury in the marine copepod Calanus finmarchicus 

      Tollefsen, Knut Erik; Song, You; Høgåsen, Tore; Øverjordet, Ida Beathe; Altin, Dag; Hansen, Bjørn Henrik (Journal article; Peer reviewed, 2017)
      Inorganic mercury (Hg) is highly toxic to organisms including crustaceans and displays multiple toxic modes of action (MoA). The main aim of this investigation was to assess the acute and sublethal toxicity mediated by ...