Blar i NIVA Open Access Archive på forfatter "Johansen, Ingar"
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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 ... -
Kvikksølv i ørret fra Sør-norge, 2008 - Mercury in brown trout from South Norway, 2008
Fjeld, E.; Rognerud, S.; Johansen, Ingar (NIVA-rapport;5891, Research report, 2009)Kvikksølvkonsentrasjonene i innsjølevende ørret fra Sør-Norge ble i 2008 kartlagt i 17 bestander. Nivåene var gjennomgående lave, og midlere konsentrasjon i de enkelte bestandene varierte mellom 0,07 og 0,22 mg/kg (våtvekt) ... -
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 ...