Now showing items 3088-3107 of 3640

    • Spring bloom nutrient dynamics in the Oslofjord 

      Kristiansen, Svein; Farbrot, Tove; Naustvoll, Lars-Johan (Journal article; Peer reviewed, 2001-09-10)
      Primary production and uptake rates of ammonium, nitrate and silicic acid were measured during the 1996 spring bloom in the Oslofjord, southern Norway, using isotope methodology (14C, 15N and 32Si). Chlorophyll a (chl a) ...
    • Spring bloom onset in the Nordic Seas 

      Mignot, Alexandre; Ferrari, Raffaele; Mork, Kjell Arne (Journal article; Peer reviewed, 2016-06-15)
      The North Atlantic spring bloom is a massive annual growth event of marine phytoplankton, tiny free-floating algae that form the base of the ocean's food web and generates a large fraction of the global primary production ...
    • Stability of an infectious pancreatic necrosis virus (IPNV) isolate stored under different laboratory conditions 

      Mortensen, Stein H.; Nilsen, Roald Kåre; Hjeltnes, Brit K. (Journal article; Peer reviewed, 1998-05-14)
      An infectious pancreatic necrosis virus (IPNV) belonging to the Sp serotype, isolated from scallops Pecten maximus, was propagated and suspended in sterile water and cell culture medium with different salinities and incubated ...
    • Stabilizing selection on Atlantic cod supergenes through a millennium of extensive exploitation 

      Sodeland, Marte; Jentoft, Sissel; Jorde, Per Erik; Mattingsdal, Morten; Albretsen, Jon; Kleiven, Alf Ring; Synnes, Ann-Elin; Espeland, Sigurd Heiberg; Olsen, Esben Moland; André, Carl; Stenseth, Nils Christian; Knutsen, Halvor (Peer reviewed; Journal article, 2022)
      Life on Earth has been characterized by recurring cycles of ecological stasis and disruption, relating biological eras to geological and climatic transitions through the history of our planet. Due to the increasing degree ...
    • Stabilizing selection on Atlantic cod supergenes through a millennium of extensive exploitation 

      Sodeland, Marte; Jentoft, Sissel; Jorde, Per Erik; Mattingsdal, Morten; Albretsen, Jon; Kleiven, Alf Ring; Synnes, Ann-Elin; Espeland, Sigurd Heiberg; Olsen, Esben Moland; André, Carl; Stenseth, Nils Christian; Knutsen, Halvor (Peer reviewed; Journal article, 2022)
      Life on Earth has been characterized by recurring cycles of ecological stasis and disruption, relating biological eras to geological and climatic transitions through the history of our planet. Due to the increasing degree ...
    • Stable coexistence of genetically divergent Atlantic cod ecotypes at multiple spatial scales 

      Knutsen, Halvor; Jorde, Per Erik; Hutchings, Jeffrey; Hemmer-Hansen, Jakob; Grønkjær, Peter; Jørgensen, Kris-Emil Mose; André, Carl; Sodeland, Marte; Albretsen, Jon; Olsen, Esben Moland (Journal article; Peer reviewed, 2018)
      Coexistence in the same habitat of closely related yet genetically different populations is a phenomenon that challenges our understanding of local population structure and adaptation. Identifying the underlying mechanisms ...
    • Stable isotope marking of otoliths during vaccination: a novel method for mass-marking fish 

      Warren-Myers, Fletcher; Dempster, Tim; Fjelldal, Per Gunnar; Hansen, Tom; Jensen, Arne J.; Swearer, Stephen E. (Journal article; Peer reviewed, 2014-06-04)
      Tagging or marking of fishes enables the collection of population-based information for ecological research, yet few techniques enable 100% mark detection success. We tested a new mass-marking technique: otolith marking ...
    • A standard protocol for describing the evaluation of ecological models 

      Planque, Benjamin; Aarflot, Johanna Myrseth; Buttay, Lucie; Carroll, JoLynn; Fransner, Sara Filippa Krusmynta; Hansen, Cecilie; Husson, Berengere; Langangen, Øystein Ole Gahr; Lindstrøm, Ulf Ove; Pedersen, Torstein; Primicerio, Raul; Sivel, Elliot Manuarii; Skogen, Morten D.; Strombom, Evelyn; Stige, Leif Christian; Varpe, Øystein; Yoccoz, Nigel (Peer reviewed; Journal article, 2022)
      Numerical models of ecological systems are increasingly used to address complex environmental and resource management questions. One challenge for scientists, managers, and stakeholders is to appraise how well suited these ...
    • Standard-target calibration of broadband sonars 

      Foote, Kenneth G. (Others, 2000)
    • A Standardized Workflow Based on the STAVIRO Unbaited Underwater Video System for Monitoring Fish and Habitat Essential Biodiversity Variables in Coastal Areas 

      Pelletier, Dominique; Roos, David; Bouchoucha, Marc; Schohn, Thomas; Roman, William; Gonson, Charles; Bockel, Thomas; Carpentier, Liliane; Preuss, Bastien; Powell, Abigail; Garcia, Jessica; Gaboriau, Matthias; Cadé, Florent; Royaux, Coline; Le Bras, Yvan; Reecht, Yves (Peer reviewed; Journal article, 2021)
      Essential Biodiversity Variables (EBV) related to benthic habitats and high trophic levels such as fish communities must be measured at fine scale but monitored and assessed at spatial scales that are relevant for policy ...
    • Standing stock of Antarctic krill (Euphausia superba Dana, 1850) (Euphausiacea) in the Southwest Atlantic sector of the Southern Ocean, 2018-19 

      Krafft, Bjørn Arne; Macaulay, Gavin; Skaret, Georg; Knutsen, Tor; Bergstad, Odd A; Lowther, Andrew; Huse, Geir; Fielding, Sophie; Trathan, Philip; Murphy, Eugene; Choi, Seok-Gwan; Chung, Sangdeok; Han, Inwoo; Lee, Kyounghoon; Zhao, Xianyong; Wang, Xinliang; Ying, Yiping; Yu, Xiaotao; Demianenko, Kostiantyn; Podhornyi, Viktor; Vishnyakova, Karina; Pshenichnov, Leonid; Chuklin, Andrii; Shyshman, Hanna; Cox, Martin J; Reid, Keith; Watters, George M; Reiss, Christian S; Hinke, Jefferson T; Arata, Javier; Godø, Olav R; Hoem, Nils (Peer reviewed; Journal article, 2021)
      Estimates of the distribution and density of Antarctic krill (Euphausia superba Dana, 1850) were derived from a large-scale survey conducted during the austral summer in the Southwest Atlantic sector of the Southern Ocean ...
    • Statistical and ecological challengesof monitoring parasitic salmon lice infestationsin wild salmonid fish stocks 

      Helland, Ingeborg Palm; Uglem, Ingebrigt; Jansen, Peder A; Diserud, Ola Håvard; Bjørn, Pål Arne; Finstad, Bengt (Journal article; Peer reviewed, 2015-12-03)
      Ecological monitoring programmes should provide precise data to inform management, but the data quality is often limited by methodological challenges and the need for cost-effective sampling. Parasite infestations are ...
    • Statistical modelling of voluntary feed intake in individual Atlantic salmon (Salmo salar L.) 

      Da Silva Gomes, Ana Cristina; Zimmermann, Fabian; Hevrøy, Ernst Morten; Søyland, Marcus; Hansen, Tom; Nilsen, Tom Ole; Rønnestad, Ivar (Others, 2023)
      Precision feeding aims to provide the correct amount of feed to farmed animals for optimal growth and performance and to avoid feed waste. However, knowledge underlying the meal-to-meal variability in voluntary feed intake ...
    • Status and future recommendations for recording and monitoring litter on the Arctic seafloor 

      Grøsvik, Bjørn Einar; Buhl-Mortensen, Lene; Bergmann, Melanie; Booth, Andy; Gomiero, Alessio; Galgani, Francois (Peer reviewed; Journal article, 2022)
      Marine litter in the Arctic Basin is influenced by transport from Atlantic and Pacific waters. This highlights the need for harmonization of guidelines across regions. Monitoring can be used to assess temporal and spatial ...
    • Status and Trends in the Rate of Introduction of Marine Non-Indigenous Species in European Seas 

      Zenetos, Argyro; Tsiamis, Konstantinos; Galanidi, Marika; Carvalho, Natacha; Bartilotti, Cátia; Canning-Clode, João; Castriota, Luca; Chainho, Paula; Comas-González, Robert; Costa, Ana C.; Dragičević, Branko; Dulčić, Jakov; Faasse, Marco; Florin, Ann-Britt; Gittenberger, Arjan; Jakobsen, Hans; Jelmert, Anders; Kerckhof, Francis; Lehtiniemi, Maiju; Livi, Silvia; Lundgreen, Kim; Macic, Vesna; Massé, Cécile; Mavrič, Borut; Naddafi, Rahmat; Orlando-Bonaca, Martina; Petovic, Slavica; Png-Gonzalez, Lydia; Carbonell Quetglas, Aina; Ribeiro, Romeu S.; Cidade, Tiago; Smolders, Sander; Stæhr, Peter A. U.; Viard, Frederique; Outinen, Okko (Peer reviewed; Journal article, 2022)
      Invasive alien species are a major worldwide driver of biodiversity change. The current study lists verified records of non-indigenous species (NIS) in European marine waters until 2020, with the purpose of establishing a ...
    • A step towards high resolution modeling of the central Faroe shelf circulation by FarCoast800 

      Erenbjerg, Sissal V.; Albretsen, Jon; Simonsen, Knud; Sandvik, Anne Dagrun; Kaas, Eigil (Peer reviewed; Journal article, 2020)
      This paper describes the FarCoast800 model setup for the Faroe shelf and the validation towards observations. We found that the circulation was in accordance with observations on the shelf and the upper 500m of the water ...
    • Stereological calibration of the profile method to quickly estimate atresia levels in fish 

      Kjesbu, Olav Sigurd; Fonn, Merete; Gonzáles, Barbara Dunia; Nilsen, Trygve (Journal article; Peer reviewed, 2010-05)
      The (physical) ‘disector method’, a frequently cited stereological technique, has so far received little attention within fish fecundity studies, although it can be used to provide unbiased, assumption-free data on levels ...