• Common eider and herring gull as contaminant indicators of different ecological niches of an urban fjord system 

      Thorstensen, Helene; Ruus, Anders; Helberg, Morten; Bæk, Kine; Enge, Ellen Katrin; Borgå, Katrine (Peer reviewed; Journal article, 2020)
      Seabirds like gulls are common indicators in contaminant monitoring. The herring gull (Larus argentatus) is a generalist with a broad range of dietary sources, possibly introducing a weakness in its representativeness of ...
    • Environmental Contaminants in an Urban Fjord, 2021 

      Ruus, Anders; Grung, Merete; Jartun, Morten; Bæk, Kine; Rundberget, Thomas; Vogelsang, Christian; Beylich, Bjørnar; Lund, Espen; Allan, Ian; Schlabach, Martin; Hansen, Linda; Enge, Ellen Katrin (NIVA-rapport;7762-2022, Research report, 2022)
      This report presents data from the first year of a new 5-year period of the Urban Fjord programme. The programme started in 2013 and has since been altered/advanced. In 2021 the programme covers sampling and analyses of ...
    • Environmental contaminants in freshwater food webs, 2021 

      Jartun, Morten; Økelsrud, Asle; Bæk, Kine; Ruus, Anders; Rundberget, Thomas; Vogelsang, Christian; Jenssen, Marthe Torunn Solhaug; Lund, Espen; Grung, Merete; Øxnevad, Sigurd; Enge, Ellen Katrin; Schlabach, Martin; Hanssen, Linda; Johansen, Ingar (NIVA-rapport;7794-2022, Research report, 2022)
      This report presents monitoring data from freshwater food webs and abiotic samples from Lake Mjøsa and Femunden within the Milfersk programme. Studies and monitoring of legacy and emerging contaminants have been carried ...
    • Maternal transfer and occurrence of siloxanes, chlorinated paraffins, metals, PFAS and legacy POPs in herring gulls (Larus argentatus) of different urban influence 

      Knudtzon, Nina Cathrine; Thorstensen, Helene; Ruus, Anders; Helberg, Morten; Bæk, Kine; Enge, Ellen Katrin; Borgå, Katrine (Peer reviewed; Journal article, 2021)
      Urban herring gulls (Larus argentatus) are exposed to contaminants from aquatic, terrestrial and anthropogenic sources. We aim to assess if differences in urbanisation affect ecological niche and contaminant concentrations ...
    • Miljøgifter i fisk og zooplankton i Mjøsa 2009 - Environmental contaminants in fish and zooplankton from lake Mjøsa, 2009 

      Fjeld, E.; Enge, Ellen Katrin; Rognerud, S.; Rustadbakken, A.; Løvik, J. (NIVA-rapport;5950, Research report, 2010)
      Konsentrasjonen av bromerte flammehemmere (PBDE, HBCDD), PCB, dioksiner, klorerte parafiner, perfluorerte stoffer og kvikksølv er analysert i prøver av fisk (ørret, lågåsild og krøkle) og zooplankton (Mysis relicta) fra ...
    • Miljøgifter i fisk og zooplankton i Mjøsa, 2010 

      Fjeld, E.; Enge, Ellen Katrin; Rustadbakken, A.; Løvik, J.; Rognerud, S. (NIVA-rapport;6141, Research report, 2011)
    • Miljøgifter i fisk og zooplankton i Mjøsa, 2011 

      Fjeld, Eirik; Enge, Ellen Katrin; Rognerud, Sigurd; Rustadbakken, Atle; Løvik, Jarl Eivind (NIVA-rapport;6357, Research report, 2012)
      Konsentrasjonen av bromerte flammehemmere (PBDE, HBCDD), PCB, dioksiner, klorerte parafiner, perfluorerte stoffer og kvikksølv er analysert i prøver av fisk (ørret, lågåsild og krøkle) og zooplankton (Mysis relicta) fra ...
    • Miljøgifter i fisk og zooplankton i Mjøsa, 2012 

      Fjeld, Eirik; Enge, Ellen Katrin; Rognerud, Sigurd; Løvik, Jarl Eivind (NIVA-rapport;6500, Research report, 2013)
      Konsentrasjonen av bromerte flammehemmere (PBDE, HBCDD), PCB, DDT med nebrytningsprodukter, dioksiner, klorerte parafiner, perfluorerte stoffer og kvikksølv er analysert i prøver av fisk (ørret, lågåsild og krøkle) og ...
    • Miljøgifter i sedimenter fra Mjøsa, 2005-2006 

      Fjeld, Eirik; Rognerud, Sigurd; Enge, Ellen Katrin; Borgen, Anders R; Dye, Christian (NIVA-rapport;5313, Research report, 2006)
      I en ny kartlegging av miljøgifter i Mjøsa er det vinteren 2005-2006 tatt prøver av overflatesedimenter ved 26 stasjoner. Ved fem av disse er det også tatt kjerneprøver som er datert, slik at utviklingen i forurensningssituasjonen ...
    • Monitoring of environmental contaminants in freshwater ecosystems 2018 – Occurrence and biomagnification 

      Jartun, Morten; Økelsrud, Asle; Rundberget, Thomas; Enge, Ellen Katrin; Rostkowski, Pawel; Warner, Nicholas Alexander; Harju, Mikael; Johansen, Ingar (NIVA-rapport;7397, Research report, 2019)
      This report studies the distribution and fate of contaminants such as mercury (Hg), cyclic volatile methylated siloxanes (cVMS: D4, D5, D6), brominated flame retardants (BFR, PBDEs), alkylphenols, organic phosphorous flame ...
    • Monitoring of environmental contaminants in freshwater ecosystems 2019 – Occurrence and biomagnification 

      Jartun, Morten; Økelsrud, Asle; Rundberget, Thomas; Bæk, Kine; Enge, Ellen Katrin; Halse, Anne Karine; Götsch, Arntraut; Harju, Mikael; Johansen, Ingar (NIVA-rapport;7545, Research report, 2020)
      This program, «Monitoring of environmental contaminants in freshwater ecosystems and single species in large Norwegian lakes”, has covered sampling and determination of environmental contaminants by analyses of organisms ...
    • Monitoring of environmental contaminants in freshwater ecosystems 2020 – Occurrence and biomagnification 

      Jartun, Morten; Økelsrud, Asle; Kildahl, Henriette; Øxnevad, Sigurd; Rundberget, Thomas; Bæk, Kine; Enge, Ellen Katrin; Halse, Anne Karine; Hanssen, Linda; Harju, Mikael; Johansen, Ingar (NIVA-rapport;7653, Research report, 2021)
      This program, «Monitoring of environmental contaminants in freshwater ecosystems and single species in large Norwegian lakes”, has covered sampling and determination of environmental contaminants by analyses of organisms ...
    • Monitoring of environmental contaminants in freshwater food webs (MILFERSK) 2022 

      Jartun, Morten; Økelsrud, Asle; Bæk, Kine; Rundberget, Thomas; Øxnevad, Sigurd; Ruus, Anders; Grung, Merete; Enge, Ellen Katrin; Hanssen, Linda; Harju, Mikael; Johansen, Ingar (NIVA-rapport;7875-2023, Research report, 2023)
      Samples of a benthic food chain in Lake Mjøsa have been collected, and the concentrations of emerging contaminants such as Siloxanes, PFAS, UV-compounds, Quaternary Ammonium Compounds, Musks, Benzothiazoles and Chlorinated ...