Browsing NIVA Open Access Archive by Author "Schøyen, Merete"
Now showing items 1-20 of 40
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Accumulation and distribution of microplastics in coastal sediments from the inner Oslofjord, Norway
Bronzo, Laura; Lusher, Amy L.; Schøyen, Merete; Morigi, Caterina (Peer reviewed; Journal article, 2021)Microplastic presence in benthic marine systems is a widely discussed topic. The influence of the natural matrix on microplastic distribution within the sedimentary matrix is often overlooked. Marine sediments from the ... -
Betydelig redusert utslipp fra prosessindustrien i Norge - Sanntids miljøovervåkning. Rapport fra forprosjekt.
Sayfritz, Stephen John; Schøyen, Merete; Hindar, Atle (NIVA-rapport;7332, Research report, 2019)In the course of the feasibility, and in dialog with industry, local government and research partners, it was decided to focus the main project on a “Holistic environmental pollutant accounting - realizing Norwegian and ... -
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 ... -
Blue mussels (Mytilus edulis spp.) as sentinel organisms in coastal pollution monitoring: A review
Beyer, Jonny; Green, Norman Whitaker; Brooks, Steven; Allan, Ian; Ruus, Anders; Gomes, Tania; Bråte, Inger Lise Nerland; Schøyen, Merete (Journal article; Peer reviewed, 2017)The blue mussel (Mytilus spp.) is widely used as a bioindicator for monitoring of coastal water pollution (mussel watch programs). Herein we provide a review of this study field with emphasis on: the suitability of Mytilus ... -
Comparison of caged and native blue mussels (Mytilus edulis spp.) for environmental monitoring of PAH, PCB and trace metals
Schøyen, Merete; Allan, Ian; Ruus, Anders; Håvardstun, Jarle; Hjermann, Dag Øystein; Beyer, Jonny (Journal article; Peer reviewed, 2017)Contaminant bioaccumulation was studied in blue mussels (Mytilus edulis spp.) using the harbor waters of Kristiansand (Norway) as a case study. A suite of chemical contaminants (trace metals, PAHs and PCBs) was analyzed ... -
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 ... -
Håp for kjønnsforstyrrede snegler – overvåking av imposex og intersex viser at forbud mot TBT har hatt positiv effekt
Tveiten, Lise Ann; Schøyen, Merete; Walday, Mats (Journal article; Peer reviewed, 2013)Tributyltinn (TBT) er et giftstoff som har vært brukt som begroingshindrende tilsetning i skipsmaling siden 1960-tallet. TBT forårsaker kjønnsforstyrrelser hos marine snegler, hvor hunner utvikler maskuline kjønnskarakterer. ... -
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 ... -
Kontroll og miljøprogram etter opprydding og tildekking av sedimenter i Bukkevika, Arendal. Undersøkelse av blåskjell og sedimenter.
Håvardstun, Jarle; Schøyen, Merete (NIVA-rapport;7186, Research report, 2017)NIVA har gjennomført undersøkelser av blåskjell og sedimenter utenfor Bukkevika i Tromøysundet ved Arendal i 2017. Det ble undersøkt fire blåskjellstasjoner og tre sedimentstasjoner utenfor tildekket område i Bukkevika. ... -
Levels and trends of tributyltin (TBT) and imposex in dogwhelk (Nucella lapillus) along the Norwegian coastline from 1991 to 2017
Schøyen, Merete; Green, Norman W; Hjermann, Dag Ø; Tveiten, Lise Ann; Beylich, Bjørnar; Øxnevad, Sigurd; Beyer, Jonny (Journal article; Peer reviewed, 2019)The banning of organotin biocides, such as tributyltin (TBT), from use in marine antifouling paints is now leading to reproductive health recovery in marine gastropod populations all over the world. TBT induces socalled ... -
Mercury concentration trend as a possible result of changes in cod population demography
Ruus, Anders; Hjermann, Dag Øystein; Beylich, Bjørnar; Schøyen, Merete; Øxnevad, Sigurd; Green, Norman Whitaker (Journal article; Peer reviewed, 2017)Mercury (Hg) in Atlantic cod (Gadus morhua) is one of many parameters that are monitored through OSPAR's Joint Assessment and Monitoring Programme. Time series for cod in the Inner Oslofjord (Norway) go back to 1984. Until ...