Blar i Publikasjoner fra Cristin - NIVA på tittel

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    • Sensitivity of modelled North Sea cod larvae transport to vertical behaviour, ocean model resolution and interannual variation in ocean dynamic 

      Kvile, Kristina Øie; Romagnoni, Giovanni; Dagestad, Knut-Frode; Langangen, Øystein; Kristiansen, Trond (Journal article; Peer reviewed, 2018)
      Transport with ocean currents affects the spatial distribution and survival of fish eggs and larvae and thereby population connectivity. Biophysical models are commonly used to understand these dynamics. Advancements such ...

    • The sensitivity of primary productivity in Disko Bay, a coastal Arctic ecosystem, to changes in freshwater discharge and sea ice cover 

      Møller, Eva Friis; Christensen, Asbjørn; Larsen, Janus; Mankoff, Kenneth D.; Hvid Ribergaard, Mads; Sejr, Mikael; Wallhead, Philip; Maar, Marie (Peer reviewed; Journal article, 2023)
      The Greenland ice sheet is melting, and the rate of ice loss has increased 6-fold since the 1980s. At the same time, the Arctic sea ice extent is decreasing. Meltwater runoff and sea ice reduction both influence light and ...

    • Sensitivity of the green algae Chlamydomonas reinhardtii to gamma radiation: Photosynthetic performance and ROS formation 

      Gomes, Tania; Xie, Li; Brede, Dag Anders; Lind, Ole Christian; Solhaug, Knut Asbjørn; Salbu, Brit; Tollefsen, Knut Erik (Journal article; Peer reviewed, 2017)
      The aquatic environment is continuously exposed to ionizing radiation from both natural and anthropogenic sources, making the characterization of ecological and health risks associated with radiation of large importance. ...

    • Sensorbasert overvåking av nedbørstyrte utslipp til vann - fagrapport 

      Sayfritz, Stephen John (NIVA-rapport;7286, Research report, 2018)
      Nedbør på Saint-Gobain Ceramic Materials (SGCM) sitt produksjonsområde i Lillesand blir samlet i overvannsystemet og føres til Moelva. Partikler som har blitt avsatt på tak, asfaltflater og andre harde overflater transporteres ...

    • Shifted dynamics of plankton communities in a restored lake: exploring the effects of climate change on phenology through four decades 

      Moe, S. Jannicke; Hobæk, Anders; Persson, Jonas; Skjelbred, Birger; Løvik, Jarl Eivind (Peer reviewed; Journal article, 2022)
      Lake surface temperatures have increased globally in recent decades. Climate change can affect lake biota directly via enhanced water temperatures, shorter ice cover duration and prolonged stratification, and indirectly ...

    • Shifts between sugar kelp and turf algae in Norway: regime shifts or flips between different opportunistic seaweed species? 

      Christie, Hartvig C; Andersen, Guri Sogn; Bekkby, Trine; Fagerli, Camilla With; Gitmark, Janne Kim; Gundersen, Hege; Rinde, Eli (Journal article; Peer reviewed, 2019)
      Around year 2000, sugar kelp (Saccharina latissima) forests were observed to disappear in southern parts of Norway, being replaced by mats of turf algae (i.e. filamentous ephemeral algae) loaded with sediments. About 80% ...

    • Shifts in flood generation processes exacerbate regional flood anomalies in Europe 

      Tarasova, Larisa; Lun, David; Merz, Ralf; Blöschl, Günter; Basso, Stefano; Bertola, Miriam; Miniussi, Arianna; Rakovec, Oldrich; Samaniego, Luis; Thober, Stephan; Kumar, Rohini (Peer reviewed; Journal article, 2023)
      Anomalies in the frequency of river floods, i.e., flood-rich or -poor periods, cause biases in flood risk estimates and thus make climate adaptation measures less efficient. While observations have recently confirmed the ...

    • Short-term effects of macrophyte removal on aquatic biodiversity in rivers and lakes 

      Misteli, Benjamin; Pannard, Alexandrine; Aasland, Eirin; Harpenslager, Sarah Faye; Motitsoe, Samuel; Thiemer, Kirstine; Llopis, Stéphanie; Coetzee, Julie; Hilt, Sabine; Köhler, Jan; Schneider, Susanne Claudia; Piscart, Christophe; Thiébaut, Gabrielle (Peer reviewed; Journal article, 2022)
      Mass development of macrophytes is an increasing problem in many aquatic systems worldwide. Dense mats of macrophytes can negatively affect activities like boating, fishing or hydropower production and one of the management ...

    • Short-term effects of macrophyte removal on emission of CO2 and CH4 in shallow lakes 

      Harpenslager, S.F.; Thiemer, Kirstine; Levertz, C.; Misteli, B.; Sebola, K.M.; Schneider, Susanne Claudia; Hilt, S.; Köhler, J. (Peer reviewed; Journal article, 2022)
      Mass development of macrophytes in freshwater ecosystems is today considered a worldwide problem and substantial resources are spent on macrophyte removal each year. By removing the dominant primary producer, however, this ...

    • Short-term rainfall limits cyanobacterial bloom formation in a shallow eutrophic subtropical urban reservoir in warm season 

      Luo, Anqi; Chen, Huihuang; Gao, Xiaofei; Carvalho, Laurence; Xue, Yuanyuan; Jin, Lei; Yang, Jun (Peer reviewed; Journal article, 2022)
      The global increase in dominance of toxic blooms of cyanobacteria has severely impacted aquatic ecosystems and threatened human health for decades. Although it has been shown that high levels of rainfall may inhibit the ...

    • Short-term temporal variation of coastal marine eDNA 

      Jensen, Mads Reinholdt; Sigsgaard, Eva Egelyng; Ávila, Marcelo De Paula; Agersnap, Sune; Brenner-Larsen, William; Sengupta, Mita Eva; Xing, Yingchun; Krag, Marcus Anders; Knudsen, Steen Wilhelm; Carl, Henrik; Møller, Peter Daniel Rask; Thomsen, Philip Francis (Peer reviewed; Journal article, 2022)
      Temporal variation in eDNA signals is increasingly explored for understanding community ecology in aquatic habitats. Seasonal changes have been addressed using eDNA sampling, but very little is known regarding short-term ...

    • Sikringstiltak i Stokkbekken – effekter på vannkvalitet, bunndyr og fisk 

      Økelsrud, Asle; Forsman, Emelie; Eriksen, Tor Erik; Huskova, Ivana; Bergan, Morten André; Teien, Hans-Christian; Lind, Ole Christian; Jaroszewicz, Jakub (NIVA-rapport;7889-2023, Research report, 2023)
      Norges vassdrags- og energidirektorat (NVE) utførte sikringstiltak mot erosjon i ravinedaler med bekkeløp i kvikkleiresoner på Rødde i 2021 og 2022. Sikringsarbeidet inkluderte erosjonssikring av to bekker, Stokkbekken og ...

    • Simulating the uncertain effect of active carbon capping of a dioxin-polluted Norwegian Fjord 

      Starrfelt, Jostein; Saloranta, Tuomo (Journal article; Peer reviewed, 2015)
      Process‐based multimedia models are frequently used to simulate the long‐term impacts of pollutants and to evaluate potential remediation actions that can be put in place to improve or manage polluted marine environments. ...

    • Simulating water quality and ecological status of Lake Vansjø, Norway, under land-use and climate change by linking process-oriented models with a Bayesian network 

      Couture, Raoul-Marie; Moe, S. Jannicke; Lin, Yan; Kaste, Øyvind; Haande, Sigrid; Solheim, Anne Lyche (Journal article; Peer reviewed, 2018)
      Excess nutrient inputs and climate change are two of multiple stressors affecting many lakes worldwide. Lake Vansjø in southern Norway is one such eutrophic lake impacted by blooms of toxic blue-green algae (cyanobacteria), ...

    • Simulert tidevann i Oslofjorden. Tre forskjellige utforminger av havneområdet i Moss 

      Hjelmervik, Karina Bakkeløkken; Staalstrøm, Andre; Nordby, Svend Erik (NIVA-rapport;6717, Research report, 2014)
      Tidevannsstrømmen er modellert i hele Oslofjorden helt fra Oslo Havn og ut til Helgeroa og svenskegrensa, med høy horisontal oppløsning. Havmodellen FVCOM (Finite-Volume Community Ocean Model), som deler fjorden opp i ...

    • SIOS’s Earth Observation (EO), Remote Sensing (RS), and operational activities in response to COVID-19 

      Jawak, Shridhar D.; Andersen, Bo N.; Pohjola, Veijo; Godøy, Øystein; Hübner, Christiane E.; Jennings, Inger; Ignatiuk, Dariusz; Holmen, Kim; Sivertsen, Agnar; Hann, Richard; Tømmervik, Hans; Kääb, Andreas; Błaszczyk, Małgorzata; Salzano, Roberto; Luks, Bartłomiej; Høgda, Kjell Arild; Storvold, Rune; Nilsen, Lennart; Salvatori, Rosamaria; Krishnan, Kottekkatu Padinchati; Chatterjee, Sourav; Lorentzen, Dag Arne; Erlandsson, Rasmus; Lauknes, Tom Rune; Malnes, Eirik; Karlsen, Stein Rune; Enomoto, Hiroyuki; Fjæraa, Ann Mari; Zhang, Jie; Marty, Sabine; Nygård, Knut Ove; Lihavainen, Heikki (Peer reviewed; Journal article, 2021)
      Svalbard Integrated Arctic Earth Observing System (SIOS) is an international partnership of research institutions studying the environment and climate in and around Svalbard. SIOS is developing an efficient observing system, ...

    • Size‐ and stage‐dependence in cause‐specific mortality of migratory brown trout 

      Nater, Chloe Rebecca; Vindenes, Yngvild; Aas, Per; Cole, Diana; Langangen, Øystein; Moe, S. Jannicke; Rustadbakken, Atle; Turek, Daniel; Vøllestad, Leif Asbjørn; Ergon, Torbjørn (Peer reviewed; Journal article, 2020)
      Evidence‐based management of natural populations under strong human influence frequently requires not only estimates of survival but also knowledge about how much mortality is due to anthropogenic vs. natural causes. This ...

    • Sjøaurebekker på Aust-Agderkysten, en rekartlegging med fokus på vannforskriftskrav 

      Haraldstad, Tormod; Berger, Hans Mack; Hindar, Atle; Kroglund, Frode (NIVA-rapport;6648, Research report, 2014)
      Produksjonen av sjøaure på Skagerrakkysten er god, og antagelig betydelig bedre en det som rapporteres fra Vestlandet og Midt-Norge. Etter kalking av elvene på Sørlandet har laksen delvis utkonkurrert sjøaure i hovedelvene. ...

    • Sjøoverlevelse hos sjøaure i små kystvassdrag på Sørlandet- Oppstart av et nytt overvåkingsprogram 

      Haraldstad, Tormod (NIVA-rapport;6771, Research report, 2015)
      Det ble i 2014 PIT-merket aure i Sjølingstadbekken (Mandal kommune) og Ånavassdraget (Lillesand kommune). Det ble samtidig etablert antenner i bekkemunningene som registrerer vandring av merkede individer mellom bekken ...

    • Sjøoverlevelse til sjøauren i Storelva. En oppsummering av resultater fra Pit-merkeforsøk 2010-2014 

      Haraldstad, Tormod; Guttrup, Jim (NIVA-rapport;6840, Research report, 2015)
      Det ble fanget nedvandrende sjøauresmolt i Storelva fra 2007-2013 og PIT-merket sjøauresmolt og vinterstøinger i 2010-2012. PIT-merket sjøaure registreres i antenner plassert på ulike steder i elva under utvandring og ...