Browsing NIVA Open Access Archive by Title

Now showing items 748-767 of 8311

    • Calculating expected effects of treatment effectivity and river flow rates on the contribution of WWTP effluent to the ARG load of a receiving river 

      Schwermer, Carsten Ulrich; Uhl, Wolfgang (Peer reviewed; Journal article, 2021)
      Concentrations of genetic markers for antibiotic resistance genes (ARGs) were measured in the effluents of three Norwegian wastewater treatment plants (WWTPs) and in a receiving river upstream and downstream of the discharge ...

    • Can benthic foraminifera serve as proxies for changes in benthic macrofaunal community structure? Implications for the definition of reference conditions 

      Bouchet, Vincent MP; Telford, Richard J; Rygg, Brage; Oug, Eivind; Alve, Elisabeth (Journal article; Peer reviewed, 2018)
      Benthic macrofauna is one of the most widely used biological groups to assess the ecological status of marine systems. Lately, attention has been paid to similar use of benthic foraminifera. In this study, distribution ...

    • Can current moisture responses predict soil CO2 efflux under altered precipitation regimes? A synthesis of manipulation experiments 

      Vicca, Sara; Bahn, Michael; Estiarte, Marc; Loon, E. Emiel van; Vargas, Rodrigo; Giorgio, Alberti; Ambus, Per; Arain, M. Altaf; Beier, Claus; Bentley, Lisa Patrick; Borken, Werner; Buchmann, Nina; Collins, Scott L.; Dato, Giovanbattista D. de; Dukes, Jeffrey S.; Escolar, Cristina; Fay, Philip A.; Guidolotti, Gabriele; Hanson, Paul J.; Kahmen, Ansgar; Kröel-Dulay, György; Ladreiter-Knauss, Thomas; Larsen, Klaus Steenberg; Lellei-Kovács, Eszter; Lebrija-Trejos, Edwin; Maestre, Fernando T.; Marhan, Sven; Marshall, Miles; Meir, Patrick; Miao, Y.; Muhr, Jan; Niklaus, Pascal A.; Ogaya, Romà; Peñuelas, Josep; Poll, Christian; Rustad, Lindsey E.; Savage, Kathleen; Schindlbacher, Andreas; Schmidt, Inger Kappel; Smith, Andy R.; Sotta, Eleneide Doff; Suseela, Vidya; Tietema, Albert; Gestel, Natasja van; Straaten, Oliver van; Wan, Shiqiang; Weber, Ulrich; Janssens, Ivan A. (Journal article; Peer reviewed, 2014)
      As a key component of the carbon cycle, soil CO2 efflux (SCE) is being increasingly studied to improve our mechanistic understanding of this important carbon flux. Predicting ecosystem responses to climate change often ...

    • Can improved nutrition for Atlantic salmon in freshwater increase fish robustness, survival and growth after seawater transfer? 

      Sissener, NH; Hamre, K; Fjelldal, PG; Philip, AJP; Espe, M; Miao, L; Höglund, E; Sørensen, C; Skjærven, KH; Holen, E; Subramanian, S; Vikeså, C; Norberg, B; Remø, SC (Peer reviewed; Journal article, 2021)
      The loss of fish in the seawater (SW) phase of Atlantic salmon farming is high, and a major proportion of this loss occurs in the period just after SW transfer. In the current study, we hypothesize that improvements made ...

    • Can multitrophic interactions and ocean warming influence large-scale kelp recovery? 

      Christie, Hartvig C; Gundersen, Hege; Rinde, Eli; Filbee-Dexter, Karen; Norderhaug, Kjell Magnus; Pedersen, Torstein; Bekkby, Trine; Gitmark, Janne Kim; Fagerli, Camilla With (Journal article; Peer reviewed, 2019)
      Ongoing changes along the northeastern Atlantic coastline provide an opportunity to explore the influence of climate change and multitrophic interactions on the recovery of kelp. Here, vast areas of sea urchin‐dominated ...

    • 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 polyethylene passive samplers predict polychlorinated biphenyls (PCBs) uptake by earthworms and turnips in a biochar amended soil? 

      Ludovica, Silvani; Sigurbjörg, Hjartardottir; Lucie, Bielská; Lucia, Škulcová; Gerard, Cornelissen; Luca, Nizzetto; Sarah E., Hale (Journal article; Peer reviewed, 2019)
      A pot experiment was carried out in which aged polychlorinated biphenyls (PCBs) contaminated soil was amended with biochar, and three phases: earthworms, turnips and polyethylene (PE) passive samplers, were added simultaneously ...

    • 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 ...

    • “Candidatus Similichlamydia laticola”, a novel Chlamydia-like agent of epitheliocystis in sevenconsecutive cohorts of farmed Australian Barramundi, lates calcarifer (Bloch) 

      Stride, Megan C.; Polkinghorne, Adam; Powell, Mark Darryn; Nowak, Barbara F. (Journal article; Peer reviewed, 2013)
      Six consecutively hatched cohorts and one cohort of pre-hatch eggs of farmed barramundi (Lates calcarifer) from south Australia were examined for Chlamydia-like organisms associated with epitheliocystis. To identify and ...

    • 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 ...

    • Carbon stocks in Norwegian eelgrass meadows across environmental gradients 

      Gagnon, Karine; Thormar, Jonas; Fredriksen, Stein; Potouroglou, Maria; Albretsen, Jon; Gundersen, Hege; Hancke, Kasper; Rinde, Eli; Wathne, Cecilie Linn; Norderhaug, Kjell Magnus (Peer reviewed; Journal article, 2024)
      Seagrass meadows are well-known for their capacity to capture and store blue carbon in sediments. However carbon stocks vary significantly between meadows, spanning more than three orders of magnitude on both local and ...

    • A carbonate system time series in the Eastern Mediterranean Sea. Two years of high-frequency in-situ observations and remote sensing 

      Frangoulis, C.; Stamataki, N.; Pettas, M.; Michelinakis, S.; King, Andrew Luke; Giannoudi, L.; Tsiaras, K.; Christodoulaki, S.; Seppälä, J.; Thyssen, M.; Borges, A.V.; Krasakopoulou, E. (Peer reviewed; Journal article, 2024)
      The rate of ocean uptake of anthropogenic CO2 has declined over the past decade, so a critical question for science and policy is whether the ocean will continue to act as a sink. Large areas of the ocean remain without ...

    • Cardiac molecular-acclimation mechanisms in responseto swimming-induced exercise in atlantic salmon 

      Castro, Vicente; Grisdale-Helland, Barbara; Helland, Ståle; Torgersen, Jacob; Kristensen, Torstein; Claireaux, Guy; Farrell, Anthony P.; Takle, Harald Rune (Journal article; Peer reviewed, 2013)
      Cardiac muscle is a principal target organ for exercise-induced acclimation mechanisms in fish and mammals, given that sustained aerobic exercise training improves cardiac output. Yet, the molecular mechanisms underlying ...

    • 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 ...

    • Catchment report: Kapos, Hungary. Trend analysis, retention and source apportionment 

      Kronvang, B.; Larsen, S.E.; Jensen, J.P.; Andersen, H.E.; Attila, L.; János, F. (NIVA-rapport;4790, Research report, 2004)
      The report may also be downloaded from the EUROHARP web site: www.euroharp.org. Editors, authors and NIVA assume no liability for any loss resulting from the use for the results in this report

    • 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 ...