Browsing NIVA Open Access Archive by Author "Øxnevad, Sigurd"
Now showing items 1-20 of 93
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Benthic community status and mobilization of Ni, Cu and Co at abandoned sea deposits for mine tailings in SW Norway
Schaanning, Morten Thorne; Trannum, Hilde Cecilie; Øxnevad, Sigurd; Ndungu, Kuria (Journal article; Peer reviewed, 2019)During 1960–94 tailings from an ilmenite mine in southwest Norway were placed in sea deposits in a sheltered fjord and a more exposed coastal basin. In 2015 both deposit sites were sampled to assess the state of metal ... -
Bioaccumulation and trophic transfer of cyclic volatile methylsiloxanes (cVMS) in the aquatic marine food webs of the Oslofjord, Norway
Powell, David E; Schøyen, Merete; Øxnevad, Sigurd; Gerhards, Reinhard; Böhmer, Thomas; Koerner, Martin; Durham, Jeremy; Huff, Darren (Journal article; Peer reviewed, 2018)The trophic transfer of cyclic methylsiloxanes (cVMS) in aquatic ecosystems is an important criterion for assessing bioaccumulation and ecological risk. Bioaccumulation and trophic transfer of cVMS, specifically ... -
Contaminants in coastal waters 2022
Schøyen, Merete; Grung, Merete; Lund, Espen; Hjermann, Dag Øystein; Ruus, Anders; Øxnevad, Sigurd; Christensen, Guttorm; Beylich, Bjørnar; Jenssen, Marthe Torunn Solhaug; Tveiten, Lise Ann; Håvardstun, Jarle; Eftevåg, Veronica Sæther; Bæk, Kine (NIVA-rapport;7912-2023, Research report, 2024)The Norwegian environmental monitoring programme “Contaminants in coastal waters” (Miljøgifter i kystområdene - MILKYS) examines the levels, trends, and effects of contaminants annually in biota along the Norwegian fjords ... -
Contaminants in coastal waters of Norway 2012
Green, Norman Whitaker; Schøyen, Merete; Øxnevad, Sigurd; Ruus, Anders; Allan, Ian; Høgåsen, Tore; Beylich, Bjørnar; Håvardstun, Jarle; Rogne, Åse K. Gudmundson; Tveiten, Lise Ann (NIVA-rapport;6582, Research report, 2013)This programme examines long term changes for legacy and some emerging contaminants in biota along the coast of Norway from the Oslofjord and Hvaler region in the southeast to the Varangerfjord in the northeast, in both ... -
Contaminants in coastal waters of Norway 2013
Green, Norman Whitaker; Schøyen, Merete; Øxnevad, Sigurd; Ruus, Anders; Allan, Ian; Hjermann, Dag Øystein; Høgåsen, Tore; Beylich, Bjørnar; Håvardstun, Jarle; Rogne, Åse K Gudmundson; Tveiten, Lise Ann (NIVA-rapport;6728, Research report, 2014)This programme examines the levels, trends and effects of contaminants in biota along the coast of Norway. The 2013-investigation included analyses of 120 different contaminants or biological effect parameters in five types ... -
Contaminants in coastal waters of Norway 2014
Green, Norman Whitaker; Schøyen, Merete; Øxnevad, Sigurd; Ruus, Anders; Allan, Ian; Hjermann, Dag Øystein; Høgåsen, Tore; Beylich, Bjørnar; Håvardstun, Jarle; Lund, Espen; Tveiten, Lise Ann; Bæk, Kine (NIVA-rapport;6917, Research report, 2015)This programme examines the levels, trends and effects of contaminants in biota along the coast of Norway. The 2014-investigation included analyses of 136 different contaminants or biological effect parameters in five types ... -
Contaminants in coastal waters of Norway 2015. Miljøgifter i norske kystområder 2015.
Green, Norman W.; Schøyen, Merete; Øxnevad, Sigurd; Ruus, Anders; Allan, Ian; Hjermann, Dag; Severinsen, Gunnar; Høgåsen, Tore; Beylich, Bjørnar; Håvardstun, Jarle; Lund, Espen; Tveiten, Lise; Bæk, Kine (NIVA-rapport;7087, Research report, 2016-10)This programme examines the levels, trends and effects of contaminants in biota along the coast of Norway. The 2015-investigation included analyses of 108 different contaminants or biological effect parameters in five types ... -
Contaminants in coastal waters of Norway 2016
Green, Norman Whitaker; Schøyen, Merete; Øxnevad, Sigurd; Ruus, Anders; Hjermann, Dag Øystein; Severinsen, Gunnar; Høgåsen, Tore; Beylich, Bjørnar; Håvardstun, Jarle; Lund, Espen; Tveiten, Lise Ann; Bæk, Kine (NIVA-rapport;7579, Research report, 2021)This programme examines the levels, trends and effects of contaminants in biota along the coast of Norway. The 2016- investigation included analyses of 104 different contaminants or biological effect parameters in five ... -
Contaminants in coastal waters of Norway 2017
Green, Norman Whitaker; Schøyen, Merete; Hjermann, Dag Øystein; Øxnevad, Sigurd; Ruus, Anders; Lusher, Amy; Beylich, Bjørnar; Lund, Espen; Tveiten, Lise Ann; Håvardstun, Jarle; Jenssen, Marthe Torunn Solhaug; Ribeiro, Anne Luise; Bæk, Kine (NIVA-rapport;7580, Research report, 2021)This programme examines the levels, trends and effects of contaminants in biota along the coast of Norway. The 2017-investigation included analyses of 93 different contaminants or biological effect parameters in five species ... -
Contaminants in coastal waters of Norway 2018
Green, Norman W.; Schøyen, Merete; Hjermann, Dag Ø.; Øxnevad, Sigurd; Ruus, Anders; Beylich, Bjørnar; Lund, Espen; Tveiten, Lise; Jenssen, Marthe T. S.; Håvardstun, Jarle; Ribeiro, Anne Louise; Doyer, Isabel; Rundberget, Jan Thomas; Bæk, Kine (NIVA-rapport;7581, Research report, 2021)This programme examines the levels, trends and effects of contaminants in biota along the coast of Norway. The 2018-investigation included analyses of more than 133 different contaminants or biological effect parameters ... -
Contaminants in coastal waters of Norway 2019.
Green, Norman Whitaker; Schøyen, Merete; Hjermann, Dag Øystein; Øxnevad, Sigurd; Ruus, Anders; Grung, Merete; Beylich, Bjørnar; Lund, Espen; Tveiten, Lise Ann; Jenssen, Marthe Torunn Solhaug; Håvardstun, Jarle; Ribeiro, Anne Luise; Doyer, Isabel; Bæk, Kine (NIVA-rapport;7741-2022, Research report, 2022)This monitoring programme examines levels, trends and effects of contaminants in biota along the coast of Norway. The 2019- investigation included analyses of more than 176 different contaminants or biological effect ... -
The ecotoxicology of marine tributyltin (TBT) hotspots: A review
Beyer, Jonny; Song, You; Tollefsen, Knut-Erik; Berge, John Arthur; Tveiten, Lise Ann; Helland, Aud; Øxnevad, Sigurd; Schøyen, Merete (Peer reviewed; Journal article, 2022)Tributyltin (TBT) was widely used as a highly efficient biocide in antifouling paints for ship and boat hulls. Eventually, TBT containing paints became globally banned when TBT was found to cause widespread contamination ... -
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 ... -
Environmental monitoring during survey by submarine U-864 outside Fedje in 2014
Øxnevad, Sigurd; Jaccard, Pierre Franqois; Skogan, Odd Arne Segtnan; Dahl, Ivar Martin; Staalstrøm, Andre; Schaanning, Morten (NIVA-rapport;6642, Research report, 2014)NIVA has done environmental monitoring during a survey by the wreck of submarine U-864 outside Fedje. The survey was done in January 2014 on the vessel Geosund from DOF Subsea Norway. The main task for NIVA was to monitor ... -
ESPIAL - Data review and evaluation of historical data (WP1)
Ruus, Anders; Hjermann, Dag Øystein; Håvardstun, Jarle; Øxnevad, Sigurd; Macken, Ailbhe (NIVA-rapport;7775-2022, Research report, 2022)The present report details the outcome of work package 1 of ESPIAL, with the aim of compiling the historical data from previous surveys at the aluminium sites in a common database and further to analyse the data. A graphical ... -
Hvor langs kysten utgjør forurenset sjøbunn i dag størst risiko for helse og miljø: Kunnskapssammenstilling, vurdering og rangering av områder.
Olsen, Marianne; Ranneklev, Sissel Brit; Selvik, John Rune; Evenset, Anita; Pedersen, Kristine Bondo; Håvardstun, Jarle; Øxnevad, Sigurd; Green, Norman Whitaker; Tartiu, Valentina Elena (NIVA-rapport;7607, Research report, 2021)Det er utarbeidet en rangert liste over de havne- og kystområdene i Norge der forurenset sjøbunn i dag utgjør størst risiko for helse og miljø. Data fra perioden 2007 og framover er hentet ut fra Vannmiljø og fra rapporter. ... -
In vivo bioaccumulation of contaminants from historically polluted sediments - Relation to bioavailability estimates
Ruus, Anders; Allan, Ian; Øxnevad, Sigurd; Schaanning, Morten; Borgå, Katrine; Bakke, Torgeir Heggelund; Næs, Kristoffer (Journal article; Peer reviewed, 2013)Many contaminants are recalcitrant against degradation. Therefore, when primary sources have been discontinued, contaminated sediments often function as important secondary pollution sources. Since the management and ... -
Joint Assessment and Monitoring Programme (JAMP). National Comments regarding the Norwegian Data for 2006
Green, Norman W; Ruus, Anders; Bjerkeng, Birger; Håvardstun, Jarle; Schøyen, Merete; Shi, Ling; Tveiten, Lise; Øxnevad, Sigurd (NIVA-rapport;5564, Research report, 2008)This report is part of the Norwegian contribution to OSPAR’s Joint Assessment and Monitoring Programme (JAMP) of which of which OSPAR’s Coordinated Environmental Monitoring Programme (CEMP) is based. JAMP 2006 included the ... -
Kartlegging av miljøgifter i fisk i vannforekomsten Nedre Nitelva
Økelsrud, Asle; Jartun, Morten; Øxnevad, Sigurd; Lund, Espen; Jenssen, Marthe Torunn Solhaug; Bæk, Kine (NIVA-rapport;7566, Research report, 2020)Konsentrasjoner av utvalgte miljøgifter er undersøkt i åtte forskjellige fiskearter i Nedre Nitelva. Fisk ble fanget ved to ulike stasjoner, en i den øvre og en i den nedre delen av vannforekomsten i august 2020. Det ble ... -
Konsekvensvurdering av dieselutslipp til Årdalsfjorden i november 2016
Øxnevad, Sigurd (NIVA-rapport;7117, Research report, 2017-02)25. november 2016 skjedde det et uhellsutslipp av diesel til Årdalsfjorden hos Hydro Aluminium Årdal. Dieselutslippet ved Årdalstangen har sannsynligvis ikke medført særlig skade på livet i Årdalsfjorden. Det er estimert ...