Now showing items 3368-3387 of 3640

    • Torskens livshistorie 

      van der Meeren, Terje (Chronicle, 2012-02-08)
    • Torskens livshistorie 

      van der Meeren, Terje (Chronicle, 2012-02-09)
    • Torskeoppdrett i nedsenkede merder? 

      Korsøen, Øyvind Johan; Fosseidengen, Jan Erik; Dempster, Tim; Kristiansen, Tore S. (Journal article, 2011-05)
      På grunn av torskens forkjærlighet for lavere sommertemperaturer og høyere vintertemperaturer enn det man ofte finner i de øverste lagene i vannsøylen, har både kommersielle aktører og forskere forsøkt med oppdrett av ...
    • Torskeutsetting - Fra plommesekk-Iarver til yngelproduksjon 

      Gjøsæter, Jakob (Nordiske seminar- og arbejdsrapporter;1991:504, Working paper, 1991)
    • Torskeutsetting - norske forsøk med yngelutsetting 

      Gjøsæter, Jakob (Nordiske seminar- og arbejdsrapporter;1991:504, Working paper, 1991)
    • Total Catch of a Red-Listed Marine Species Is an Order of Magnitude Higher than Official Data 

      Kleiven, Alf Ring; Olsen, Esben Moland; Vølstad, Jon Helge (Journal article; Peer reviewed, 2012-02-17)
      Accurate information on total catch and effort is essential for successful fisheries management. Officially reported landings, however, may be underestimates of total catch in many fisheries. We investigated the fishery ...
    • Toward a coordinated global observing system for marine macrophytes 

      Duffy, JE; Benedetti-Cecchi, L; Trinanes, JA; Muller-Karger, FE; Ambo-Rappe, R; Boström, C.; Buschmann, AH; Byrnes, Jarrett E.; Coles, RG; Creed, J; Cullen-Unsworth, L; Diaz-Pulido, G; Duarte, CM; Edgar, GJ; Fortes, MD; Goni, GJ; Hu, C; Huang, X; Hurd, CL; Konar, Brenda; Krause-Jensen, Dorte; Krumhansl, Kira A.; McReadie, PI; Marsh, H; McKenzie, LJ; Mieszkowska, Nova; Miloslavich, Patricia; Montes, Enrique; Nakaoka, M; Norderhaug, Kjell Magnus; Nordlund, LM; Orth, RJ; Prathep, A; Putman, NF; Samper-Villarreal, J; Serrao, EA; Short, F; Pinto, Isabel Sousa; Steinberg, PD; Stuart-Smith, R; Unsworth, RKF; van Keulen, M; Van Tussenbroek, BI; Wang, M; Waycott, M; Weatherdon, LW; Wernberg, Thomas; Yaakub, SM (Journal article; Peer reviewed, 2019)
      In coastal waters around the world, the dominant primary producers are benthic macrophytes, including seagrasses and macroalgae, that provide habitat structure and food for diverse and abundant biological communities and ...
    • Toward a Global Ocean Ecosystem Mid-trophic Automatic Acoustic Sampler (MAAS) 

      Handegard, Nils Olav; Demer, David A.; Kloser, Rudy; Lehodey, Patrick; Maury, Olivier; Simard, Yvard (Journal article; Peer reviewed, 2009-05-26)
      Despite their huge biomass and pivotal role, the mid-trophic levels of marine ecosystems are not generally subject to systematic monitoring. Data from such monitoring is crucial for parameterizing, validating, and constraining ...
    • Toward a global reference database of COI barcodes for marine zooplankton. 

      Bucklin, Ann; Peijnenburg, Katja T. C. A.; Kosobokova, Ksenia N.; O’Brien, Todd; Blanco-Bercial, Leocadio; Cornils, Astrid; Falkenhaug, Tone; Hopcroft, Russ; Hosia, Aino Laila Johanna; Laakmann, Silke; Li, Chaolun; Martell, Luis; Questel, Jennifer M.; Wall-Palmer, Deborah; Wang, Minxiao; Wiebe, Peter H.; Weydmann-Zwolicka, Agata (Peer reviewed; Journal article, 2021)
      Characterization of species diversity of zooplankton is key to understanding, assessing, and predicting the function and future of pelagic ecosystems throughout the global ocean. The marine zooplankton assemblage, including ...
    • Toward a model-based prediction system for salmon lice infestation pressure 

      Sandvik, Anne Dagrun; Bjørn, Pål Arne; Ådlandsvik, Bjørn; Asplin, Lars; Skardhamar, Jofrid; Johnsen, Ingrid Askeland; Myksvoll, Mari Skuggedal; Skogen, Morten D. (Journal article; Peer reviewed, 2016-09-08)
      High salmon lice density is a threat to wild and farmed salmonid fish in Norway. To assess and identify areas for high salmon lice infestation pressure, continuous monitoring is necessary. The national Norwegian salmon ...
    • Towards an Autonomous Pelagic Observatory: Experiences from Monitoring Fish Communities around Drifting FADs 

      Brehmer, Patrice; Sancho, Gorka; Trygonis, Vasilis; Itano, David; Dalen, John; Fuchs, Ariel; Faraj, Abdelmalek; Taquet, Marc (Journal article; Peer reviewed, 2019)
      This work presents a methodological synthesis for the in situ monitoring of fish aggregating devices (FADs) using a combination of optical, echosounder and SCUBA observations conducted in the vicinity of drifting FADs. The ...
    • Towards cod without spawning: artificial continuous light in submerged sea-cages maintains growth and delays sexual maturation for farmed Atlantic cod Gadus morhua 

      Korsøen, Øyvind Johan; Dempster, Tim; Fosseidengen, Jan Erik; Karlsen, Ørjan; Oppedal, Frode; Stien, Lars Helge; Kristiansen, Tore S. (Journal article; Peer reviewed, 2013-06-04)
      Sexual maturation and spawning in sea-cages is a major production and environmental challenge for the Atlantic cod farming industry. Altered photoperiod has arrested sexual maturation in cod kept in indoor or covered ...
    • Towards direct evidence of the effects of salmon lice (Lepeophtheirus salmonis Kr?yer) on sea trout (Salmo trutta L.) in their natural habitat: proof of concept for a new combination of methods 

      Serra Llinares, Rosa Maria; Freitas, Carla; Nilsen, Rune; Elvik, Kristine Marit Schrøder; Albretsen, Jon; Bøhn, Thomas; Karlsen, Ørjan; Bjørn, Pål Arne (Journal article; Peer reviewed, 2018)
      Studies addressing the impact of salmon lice (Lepeophtheirus salmonis Krøyer) on sea trout in their natural habitat are scarce and mostly limited to prophylaxis-based experiments. The main drawbacks with this approach are ...
    • Towards ecosystem-based fisheries management in Norway – Practical tools for keeping track of relevant issues and prioritising management efforts 

      Gullestad, Peter; Abotnes, Anne Marie; Bakke, Gunstein; Skern-Mauritzen, Mette; Nedreaas, Kjell Harald; Søvik, Guldborg (Peer reviewed; Journal article, 2017)
    • Towards more efficient longline fisheries: fish feeding behaviour, bait characteristics and development of alternative baits 

      Løkkeborg, Svein; Siikavuopio, Sten Ivar; Humborstad, Odd Børre; Utne-Palm, Anne Christine; Ferter, Keno (Journal article; Peer reviewed, 2014-06-14)
      Better knowledge of food search behavior in fish is essential for studies that aim to improve longline fishing, particularly through bait development. This review provides an overview of our understanding of how fish detect ...
    • Towards the acoustic estimation of jellyfish abundance 

      Brierley, Andrew S.; Boyer, D.; Axelsen, Bjørn Erik; Lynam, Christopher P.; Sparks, Conrad A. J.; Boyer, Helen; Gibbons, Mark J. (Journal article; Peer reviewed, 2005-06-23)
      Acoustic target strengths (TSs) of the 2 most common large medusae, Chrysaora hysoscella and Aequorea aequorea, in the northern Benguela (off Namibia) have previously been estimated (at 18, 38 and 120 kHz) from acoustic ...
    • Toxicity assessment of urban marine sediments from Western Norway using a battery of stress-activated receptors and cell-based bioassays from fish 

      Goksøyr, Siri Øfsthus; Sørensen, Helene; Grøsvik, Bjørn Einar; Pampanin, Daniela Maria; Goksøyr, Anders; Karlsen, Odd André (Peer reviewed; Journal article, 2021)
      A luciferase reporter gene-based bioassay battery consisting of stress-activated receptors from fish, complemented with traditional fish cell-based bioassays, were used to assess the toxicity of marine sediment samples ...
    • Toxicological assessment of the anti-salmon lice drug diflubenzuron on Atlantic cod Gadus morhua 

      Olsvik, Pål A.; Samuelsen, Ole Bent; Erdal, Arne; Holmelid, Bjarte; Lunestad, Bjørn Tore (Journal article; Peer reviewed, 2013-07-09)
      Increasing use of the chitin synthesis inhibitor diflubenzuron against the ectoparasitic salmon louse Lepeophtheirus salmonis in marine aquaculture has raised concerns over its environmental impacts. This study evaluated ...
    • Toxicometabolomics as a tool for next generation environmental risk assessment 

      Bernhard, Annette; Poulsen, Rikke; Hansen, Anna M. Brun; Hansen, Martin (Peer reviewed; Journal article, 2023)
      Traditionally applied methodology in environmental risk assessment (ERA) has fallen out of step with technological advancements and regulatory requirements, challenging effectiveness and accuracy of the assessments. Extensive ...
    • Trace Element Concentrations in Drinking Water and Urine among Saharawi Women and Young Children 

      Aakre, Inger; Henjum, Sigrun; Gjengedal, Elin Lovise Folven; Haugstad, Camilla Risa; Vollset, Marie; Moubarak, Khailil; Ahmed, Tecber Saleh; Alexander, Jan; Kjellevold, Marian; Molin, Marianne (Journal article; Peer reviewed, 2018)
      Poor water quality has been reported along with a variety of negative health outcomes in the Saharawi refugee camps in Algeria. We assessed the concentration of elements in drinking water and urine in refugee women and ...