• 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 ...
    • Contaminants in coastal waters of Norway 2020 

      Schøyen, Merete; Lund, Espen; Hjermann, Dag Øystein; Ruus, Anders; Beylich, Bjørnar; Jenssen, Marthe Torunn Solhaug; Tveiten, Lise Ann; Håvardstun, Jarle; Ribeiro, Anne Luise; Doyer, Isabel; Bæk, Kine; Grung, Merete; Øxnevad, Sigurd (NIVA-rapport;7686-2021, Research report, 2021)
      The monitoring programme “Contaminants in coastal waters of Norway” (Miljøgifter i norske kystområder - MILKYS) examines levels, trends and effects of contaminants in biota. The 2020-investigation included analyses of more ...
    • Contrasting Coping Styles Meet the Wall: A Dopamine Driven Dichotomy in Behavior and Cognition 

      Höglund, Erik; Silva, Patricia IM; Vindas, Marco Antonio; Øverli, Øyvind (Journal article; Peer reviewed, 2017)
      Individual variation in the ability to modify previously learned behavior is an important dimension of trait correlations referred to as coping styles, behavioral syndromes or personality. These trait clusters have been ...
    • Contrasting long-term trends in juvenile abundance of a widespread cold-water salmonid along a latitudinal gradient: effects of climate, stream size and migration strategy 

      Donadi, Serena; Näslund, Joacim; Sandin, Leonard; Sers, Berit; Vasemägi, Anti; Degerman, Erik (Peer reviewed; Journal article, 2023)
      A changing climate reshapes the range distribution of many organisms, and species with relatively low thermal optima, like many salmonids, are increasingly expected to face local population extinctions at lower latitudes. ...
    • Contrasting neurochemical and behavioral profiles reflects stress coping styles but not stress responsiveness in farmed gilthead seabream (Sparus aurata) 

      Höglund, Erik; Moltesen, Maria; Castanheira, Maria Filipa; Thörnqvist, Per-Ove; Silva, Patricia IM; Øverli, Øyvind; Martins, Catarina; Winberg, Svante (Peer reviewed; Journal article, 2020)
      In fish, as well as in other vertebrates, contrasting suites of physiological and behavioral traits, or coping styles, are often shown in response to stressors. However, the magnitude of the response (i.e. stress responsiveness) ...
    • Contrasting responses of DMS and DMSP to ocean acidification in Arctic waters 

      Archer, S.D.; Kimmance, S.A.; Stephens, J.A.; Hopkins, F.E.; Bellerby, Richard; Schulz, K.G.; Piontek, J.; Engel, A. (Journal article; Peer reviewed, 2013)
      Increasing atmospheric CO2 is decreasing ocean pH most rapidly in colder regions such as the Arctic. As a component of the EPOCA (European Project on Ocean Acidification) pelagic mesocosm experiment off Spitzbergen in 2010, ...
    • Contribution of organic carbon to the total specific surface area of soils with varying clay mineralogy 

      Arthur, Emmanuel; Tuller, Markus; Norgaard, Trine; Moldrup, Per; Chen, Chong; Rehman, Hafeez Ur; Weber, Peter Lystbæk; Knadel, Maria; de Jonge, Lis Wollesen (Peer reviewed; Journal article, 2022)
      Soil specific surface area (SA) reflects the quantity and quality of the soil mineral and organic fractions. For soil samples that have similar clay mineral types, clay content and or organic carbon (OC) contents are good ...
    • A contribution to the knowledge of charophytes in Myanmar; morphological and genetic identification and ecology notes 

      Mjelde, Marit; Swe, Thida; Langangen, Anders; Ballot, Andreas (Peer reviewed; Journal article, 2020)
      Information on the distribution and species composition of charophytes in Myanmar is scarce. Only a few studies on charophytes in ponds were conducted in Myanmar at the end of the nineteenth and first half of the twentieth ...
    • Contributions of marine area-based management tools to the UN sustainable development goals 

      Gissi, Elena; Maes, Frank; Kyriasi, Zacharoula; Ruiz-Frau, Ana; Santos, Catarina Frazão; Neumann, Barbara; Quintela, Adriano; Alves, Fátima L.; Borg, Simone; Chen, Wenting; Fernandes, Maria da Luz; Hadjimichael, Maria; Manea, Elisabetta; Marques, Marcia; Platjouw, Froukje Maria; Portman, Michelle E.; Sousa, Lisa P.; Bolognini, Luca; Flannery, Wesley; Grati, Fabio; Pita, Cristina; Văidianu, Natașa; Stojanov, Robert; van Tatenhove, Jan; Micheli, Fiorenza; Hornidge, Anna-Katharina; Unger, Sebastian (Peer reviewed; Journal article, 2022)
      Area-Based Management Tools (ABMTs) are spatial instruments for conservation and managing different forms of ocean use. A multitude of ABMTs exists in marine areas within and beyond national jurisdiction, ranging from tools ...
    • Controlling Factors of Microplastic Riverine Flux and Implications for Reliable Monitoring Strategy 

      Bai, Mengyu; Lin, Yan; Hurley, Rachel R; Zhu, Lixin; Li, Daoji (Peer reviewed; Journal article, 2021)
      A significant proportion of marine plastic debris and microplastics is assumed to be derived from river systems. In order to effectively manage plastic contamination of the marine environment, an accurate quantification ...
    • Coping with a changing environment: The effects of early life stress 

      Vindas, Marco Antonio; Madaro, Angelico; Fraser, Thomas; Höglund, Erik; Olsen, Rolf Erik; Øverli, Øyvind; Kristiansen, Tore S (Journal article; Peer reviewed, 2016)
      Ongoing rapid domestication of Atlantic salmon implies that individuals are subjected to evolutionarily novel stressors encountered under conditions of artificial rearing, requiring new levels and directions of flexibility ...
    • Copper ecological risk assessment using DGT technique and PNEC: A case study in the Brazilian coast 

      Umbría-Salinas, Karelys; Valero, Astolfo; Martins, Samantha Eslava; Wallner-Kersanach, Mônica (Peer reviewed; Journal article, 2021)
      Estuarine systems are vulnerable to metals stress, such as copper (Cu). Thus, the development of applicable tools to improve routine monitoring programs is increasingly necessary. In the present work a comprehensive ...
    • Correcting for bias in freshwater total nitrogen concentrations obtained with a modified standard (NS4743) method 

      Thrane, Jan-Erik; de Wit, Heleen; Blakseth, Tomas Adler; Skancke, Liv Bente; Garmo, Øyvind Aaberg (NIVA-rapport;7538, Research report, 2020)
      Concentrations of total nitrogen (TotN) in freshwater monitoring programs were unreliable for a limited period, probably because of inadequate sample digestion when using a modified version of method NS 4743 (“method A”) ...
    • Correcting Knowledge Base Assertions 

      Chen, Jiaoyan; Chen, Xi; Horrocks, Ian; Jimenez-Ruiz, Ernesto; Myklebust, Erik Bryhn (Chapter, 2020)
      The usefulness and usability of knowledge bases (KBs) is often limited by quality issues. One common issue is the presence of erroneous assertions, often caused by lexical or semantic confusion. We study the problem of ...
    • Costs and benefits of automated high-frequency environmental monitoring – The case of lake water management 

      Seifert-Dähnn, Isabel; Furuseth, Ingvild Skumlien; Vondolia, Godwin Kofi; Gal, Gideon; De Eyto, Elvira; Jennings, Eleanor; Pierson, Don (Peer reviewed; Journal article, 2021)
      Freshwater lakes are dynamic ecosystems and provide multiple ecosystem services to humans. Sudden changes in lake environmental conditions such as cyanobacterial blooms can negatively impact lake usage. Automated high-frequency ...
    • Coupling Water Column and Sediment Biogeochemical Dynamics: Modeling Internal Phosphorus Loading, Climate Change Responses, and Mitigation Measures in Lake Vansjø, Norway 

      Markelov, Igor; Couture, Raoul-Marie; Fischer, Rachele; Haande, Sigrid; Van Cappellen, Philippe (Peer reviewed; Journal article, 2019)
      We expanded the existing one‐dimensional MyLake model by incorporating a vertically resolved sediment diagenesis module and developing a reaction network that seamlessly couples the water column and sediment biogeochemistry. ...
    • Critical limits for surface water acidification in Norwegian critical loads calculation and Water Framework Directive classification 

      Austnes, Kari; Lund, Espen (NIVA-rapport;6741, Research report, 2014)
      The objective of this study was to compare the critical limits for surface water acidification used in the critical loads calculation under the UNECE Convention on Long-range Transboundary Air Pollution and the EU Water ...
    • Critical loads and the MAGIC model. Evaluating the country-scale applications in Norway using data from the 2019 national lake survey 

      Austnes, Kari; Wright, Richard Frederic; Sample, James Edward; Clayer, Francois (NIVA-rapport;7557, Research report, 2020)
      The critical loads methodology used at the national scale in Norway and the MAGIC model as applied to the lakes in the national 1000-lake survey have been evaluated, making use of the data from the 2019 national lake survey. ...
    • Current Browning of Surface Waters Will Be Further Promoted by Wetter Climate 

      de Wit, Heleen A.; Valinia, Salar; Weyhenmeyer, Gesa A; Futter, Martyn N.; Kortelainen, Pirkko; Austnes, Kari; Hessen, Dag O; Raike, Antti; Laudon, Hjalmar; Vournenmaa, Jussi (Journal article; Peer reviewed, 2016)
      Browning of surface waters because of increasing terrestrial dissolved organic carbon (OC) concentrations is a concern for drinking water providers and can impact land carbon storage. We show that positive trends in OC in ...
    • Current conditions in the Oslofjord. Focus on current strength along the bottom 

      Staalstrøm, Andre; Ghaffari, Peygham (NIVA-rapport;6799, Research report, 2015)
      The objective of this project has been to assess how strong the current conditions near the bottom can be in extreme cases. Extreme value analysis has been applied to current observations near the bottom at six stations ...