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    • Can plastic related chemicals be indicators of plastic ingestion in an Arctic seabird? 

      Collard, France; Tulatz, Felix; Harju, Mikael; Herzke, Dorte; Bourgeon, Sophie; Gabrielsen, Geir Wing (Peer reviewed; Journal article, 2024)
      For decades, the northern fulmar (Fulmarus glacialis) has been found to ingest and accumulate high loads of plastic due to its feeding ecology and digestive tract morphology. Plastic ingestion can lead to both physical and ...

    • Can sea urchin grazing of kelp forests in the arctic make rocky shore systems more vulnerable to oil spills? 

      Christie, Hartvig C; Bekkby, Trine; Norderhaug, Kjell Magnus; Beyer, Jonny; Jørgensen, Nina Mari (Journal article; Peer reviewed, 2019)
      In Arctic Norway, the risk of major marine oil spills associated with increasing offshore drilling, land terminal, and maritime transport activities is a cause for concern. Intertidal and subtidal kelp and seaweed communities ...

    • Carbon export is facilitated by sea urchins transforming kelp detritus 

      Filbee-Dexter, Karen; Pedersen, Morten Foldager; Fredriksen, Stein; Norderhaug, Kjell Magnus; Rinde, Eli; Kristiansen, Trond; Albretsen, Jon; Wernberg, Thomas (Peer reviewed; Journal article, 2019)
      With the increasing imperative for societies to act to curb climate change by increasing carbon stores and sinks, it has become critical to understand how organic carbon is produced, released, transformed, transported, and ...

    • Carotenoid glycoside isolated and identified from cyanobacterium Cylindrospermopsis raciborskii 

      Nagy, Veronika; Agócs, Attila; Deli, József; Gulyás-Fekete, Gergely; Illyés, Tünde-Zita; Kurtán, Tibor; Turcsi, Erika; Béni, Szabolcs; Dékány, Miklós; Ballot, Andreas; Vasas, Gábor (Journal article; Peer reviewed, 2018)
      The freshwater cyanobacterium Cylindrospermopsis raciborskii was investigated for carotenoid composition. Besides β-carotene, echinenone and (9/9′Z)-echinenone a carotenoid glycoside was found to be the main component. ...

    • Cascading effects of mass mortality events in Arctic marine communities 

      Langangen, Øystein; Ohlberger, Jan; Stige, Leif C.; Durant, Joel M.; Ravagnan, Elisa; Stenseth, Nils C.; Hjermann, Dag Ø. (Journal article; Peer reviewed, 2017)
      Mass mortality events caused by pulse anthropogenic or environmental perturbations (e.g., extreme weather, toxic spills or epizootics) severely reduce the abundance of a population in a short time. The frequency and impact ...

    • A case of anisotropic exchange of non-polar chemicals with absorption-based passive samplers in water 

      Allan, Ian John; Jenssen, Marthe Torunn Solhaug (Peer reviewed; Journal article, 2019)
      Passive sampling is a powerful technique for the sampling hydrophobic organic contaminants present at trace level in water. A robust application of performance reference compounds (PRCs) for the estimation of in situ ...

    • Catchment properties and the photosynthetic trait composition of freshwater plant communities 

      Iversen, L L; Winkel, A; Baastrup-Spohr, L; Hinke, A B; Alahuta, J; Baattrup-Pedersen, A; Birk, S; Brodersen, S; Chambers, P A; Ecke, F; Feldmann, T; Gebler, D; Heino, J; Jespersen, T S; Moe, S J; Riis, T; Sass, L; Vestergaard, O; Maberly, S C; Sand-Jensen, K; Pedersen, O (Peer reviewed; Journal article, 2019)
      Unlike in land plants, photosynthesis in many aquatic plants relies on bicarbonate in addition to carbon dioxide (CO2) to compensate for the low diffusivity and potential depletion of CO2 in water. Concentrations of ...

    • Caught in the middle: bottom‑up and top‑down processes impacting recruitment in a small pelagic fsh 

      Moyano, Marta; Illing, Björn; Akimova, Anna; Alter, Katharina; Bartolino, Valerio; Börner, Gregor; Clemmesen, Catriona; Finke, Annegret; Gröhsler, Tomas; Kotterba, Paul; Livdane, Lina; Mittermayer, Felix; Moll, Dorothee; von Nordheim, Lena; Peck, Myron A.; Schaber, Matthias; Polte, Patrick (Journal article; Peer reviewed, 2022)
      Understanding the drivers behind fluctuations in fish populations remains a key objective in fishery science. Our predictive capacity to explain these fluctuations is still relatively low, due to the amalgam of interacting ...

    • CDOM absorption properties of natural water bodies along extreme environmental gradients 

      Nima, Ciren; Frette, Øyvind; Hamre, Børge; Stamnes, Jakob J.; Chen, Yi-Chun; Sørensen, Kai; Norli, Marit; Lu, Daren; Xing, Qianguo; Muyimbwa, Dennis; Ssenyonga, Taddeo; Stamnes, Knut; Erga, Svein Rune (Journal article; Peer reviewed, 2019)
      We present absorption properties of colored dissolved organic matter (CDOM) sampled in six different water bodies along extreme altitudinal, latitudinal, and trophic state gradients. Three sites are in Norway: the mesotrophic ...

    • The challenges of opportunistic sampling when comparing prevalence of plastics in diving seabirds: A multi-species example from Norway 

      Benjaminsen, Stine Charlotte; Dehnhard, Nina; Herzke, Dorte; Johnsen, Arild; Anker-Nilssen, Tycho; Bourgeon, Sophie; Collard, France; Langset, Magdalene; Christensen-Dalsgaard, Signe; Gabrielsen, Geir W. (Peer reviewed; Journal article, 2024)
      There is a need for baseline information about how much plastics are ingested by wildlife and potential negative consequences thereof. We analysed the frequency of occurrence (FO) of plastics >1 mm in the stomachs of five ...

    • Challenges with Quantifying Tire Road Wear Particles: Recognizing the Need for Further Refinement of the ISO Technical Specification 

      Rauert, Cassandra; Rødland, Elisabeth S; Okoffo, Elvis D.; Reid, Malcolm J; Meland, Sondre; Thomas, Kevin V (Peer reviewed; Journal article, 2021)
      Environmental monitoring data for tire road wear particles are vastly limited compared to those for other microplastics, primarily due to analytical challenges with quantification. Recently, two ISO technical specifications ...

    • Changes in drug use in European cities during early COVID-19 lockdowns – A snapshot from wastewater analysis 

      Been, Frederic; Emke, Erik; Matias, João; Baz-Lomba, Jose Antonio; Boogaerts, Tim; Castiglioni, Sara; Campos-Mañas, Marina; Celma, Alberto; Covaci, Adrian; de Voogt, Pim; Hernández, Félix; Kasprzyk-Hordern, Barbara; ter Laak, Thomas; Reid, Malcolm James; Salgueiro-González, Noelia; Steenbeek, Ruud; van Nuijs, Alexander L.N.; Zuccato, Ettore; Bijlsma, Lubertus (Peer reviewed; Journal article, 2021)
      The COVID-19 outbreak has forced countries to introduce severe restrictive measures to contain its spread. In particular, physical distancing and restriction of movement have had important consequences on human behaviour ...

    • Changes in microbial water quality in RAS following altered feed loading 

      Rojas-Tirado, Paula; Pedersen, Per Bovbjerg; Vadstein, Olav; Pedersen, Lars-Flemming (Journal article; Peer reviewed, 2018)
      Intensive recirculating aquaculture systems (RAS) with its hyper-eutrophic water offer ideal conditions for bacterial growth, abundance and activity, potentially affecting fish and system performance. Feed composition and ...

    • Changes in phytoplankton community structure over a century in relation to environmental factors 

      Lundsør, Elisabeth; Eikrem, Wenche; Stige, Leif Christian; Engesmo, Anette; Gran-Stadniczeñko, Sandra; Edvardsen, Bente (Peer reviewed; Journal article, 2022)
      Changes in phytoplankton abundance and biomass during the period 1933–2020 were examined by statistical modeling using data from the Inner Oslofjorden phytoplankton database. The phytoplankton abundances increased with ...

    • Changes in the diatom community in the great lake (Lurë National Park, Albania) from 2005 to 2017 and first steps towards assessment the water quality 

      Vidaković, Danijela; Krizmanić, Jelena; Ndoj, Eriselda; Miho, Aleko; Kupe, Lirika; Schneider, Susanne Claudia (Peer reviewed; Journal article, 2020)
      Great Lake is the largest of 14 lakes situated in Lurë National Park, in the eastern part of the Lurë Mountains, Albania. To characterize lake ecological status, epiphytic and epilithic diatom samples were collected from ...

    • Characterization of cell responses in Rhodomonas baltica exposed to PMMA nanoplastics 

      Gomes, Tania; Almeida, Ana Catarina; Georgantzopoulou, Anastasia (Peer reviewed; Journal article, 2020)
      Due to their small size, nanoplastics (NPLs) possess specific properties which can potentiate their toxicity towards aquatic organisms. As primary producers, microalgae are at the base of aquatic food chains, thus negative ...

    • Characterization of multiple biomarker responses using flow cytometry to improve environmental hazard assessment with the green microalgae Raphidocelis subcapitata 

      Almeida, Ana Catarina; Gomes, Tania; Habuda-Stanic, Mirna; Baz-Lomba, Jose Antonio; Romic, Zeljka; Turkalj, Jelena Vesligaj; Lillicrap, Adam David (Journal article; Peer reviewed, 2019)
      Microalgal toxicity tests using integrative endpoints as algal growth are regularly required to analyse the toxicity of potentially hazardous substances in the aquatic environment. However, these do not provide mechanistic ...

    • Characterization of the Bago Sub-basin Pilot implementing the EU Water Framework Directive 

      Eriksen, Tor Erik; Nesheim, Ingrid; Friberg, Nikolai; Aung, Toe Toe; Myint, Zaw Win (NIVA-rapport;7194, Research report, 2017)
      The aim of this report is to characterize the Bago Sub-basin, located in the Bago Region in the south-central part of Myanmar. The report presents the different characterization steps, including methods for identifying ...

    • Characterization of tire and road wear microplastic particle contamination in a road tunnel: From surface to release 

      Rødland, Elisabeth Strandbråten; Lind, Ole Christian; Reid, Malcolm James; Heier, Lene Sørlie; Skogsberg, Emelie; Snilsberg, Brynhild; Gryteselv, Dagfin; Meland, Sondre (Peer reviewed; Journal article, 2022)
      Road pollution is one of the major sources of microplastic particles to the environment. The distribution of tire, polymer-modified bitumen (PMB) and tire and road wear particles (TRWP) in different tunnel compartments ...

    • Characterizing combined effects of antiestrogenic chemicals on vitellogenin production in rainbow trout (Oncorhynchus mykiss) hepatocytes 

      Hultman, Maria Thérése; Petersen, Karina; Tollefsen, Knut Erik (Journal article; Peer reviewed, 2017)
      Fish are exposed to a complex mixture of endocrine disrupting compounds (EDC), some of which display antiestrogenic activity leading to suppression of estrogen receptor (ER)- mediated reproductive processes. Although the ...