Browsing Articles by Title

Now showing items 1934-1953 of 3001

    • Nodavirus Colonizes and Replicates in the Testis of Gilthead Seabream and European Sea Bass Modulating Its Immune and Reproductive Functions 

      Valero, Yulema; Arizcun, M; Esteban, Maria Angeles; Bandin, I; Olveira, JG; Patel, Sonal; Cuesta, A; Chaves-Pozo, E (Journal article; Peer reviewed, 2015-12-21)
      Viruses are threatening pathogens for fish aquaculture. Some of them are transmitted through gonad fluids or gametes as occurs with nervous necrosis virus (NNV). In order to be transmitted through the gonad, the virus ...

    • Nodavirus in farmed Atlantic cod Gadus morhua in Norway 

      Patel, Sonal; Korsnes, Kjetil; Bergh, Øivind; Todnem Vik-Mo, Frode; Pedersen, Jan Per; Nerland, Audun H. (Journal article; Peer reviewed, 2007-09-14)
      Viral encephalopathy and retinopathy (VER) was diagnosed in 5 to 24 g sized farmed Atlantic cod Gadus morhua kept in sea cages at Parisvatn, Hordaland county, on the west coast of Norway. Moderate mortality (10 to 15%) ...

    • Non-deterministic modelling of food-web dynamics 

      Planque, Benjamin; Lindstrøm, Ulf; Subbey, Samuel (Journal article; Peer reviewed, 2014-10-09)
      A novel approach to model food-web dynamics, based on a combination of chance (randomness) and necessity (system constraints), was presented by Mullon et al. in 2009. Based on simulations for the Benguela ecosystem, they ...

    • A non-lethal method for detection of Bonamia ostreae in flat oyster (Ostrea edulis) using environmental DNA 

      VG Jørgensen, Louise; Nielsen, Johan; Dalvin, Sussie; Mathiessen, Heidi; Madsen, Lone; Kania, Per W.; Buchmann, Kurt (Peer reviewed; Journal article, 2020)
      Surveillance and diagnosis of parasitic Bonamia ostreae infections in flat oysters (Ostrea edulis) are prerequisites for protection and management of wild populations. In addition, reliable and non-lethal detection methods ...

    • Non-linear dynamics in marine-phytoplankton population systems 

      Belgrano, Andrea; Lima, Mauricio; Stenseth, Nils Christian (Journal article; Peer reviewed, 2004-06-08)
      Although non-linear density-dependence has been widely emphasized in population dynamics studies, the existence of non-linear exogenous forces have been less explored. In articular, we propose that the formulation of ...

    • Non-lunge feeding behaviour of humpback whales associated with fishing boats in Norway 

      Iwata, Takashi; Aoki, Kagari; Miller, Patrick J. O.; Biuw, Martin; Williamson, Michael J.; Sato, Katsufumi (Peer reviewed; Journal article, 2023)
      Top marine predators, such as odontocetes, pinnipeds, and seabirds, are known to forage around fishing boats as fishermen aggregate and/or discard their prey. Recently, incidents of humpback whales interacting with fishing ...

    • Nonlinear crosstalk in broadband multi-channel echosounders 

      Khodabandeloo, Babak; Ona, Egil; Macaulay, Gavin; Korneliussen, Rolf (Peer reviewed; Journal article, 2021)
      Distortion of acoustic wave caused by nonlinear propagation transfers acoustic energy into higher harmonics of the transmitted signal. When operating several broadband echosounders with non-overlapping frequency bands to ...

    • Non‐linearity in interspecific interactions in response to climate change: cod and haddock as an example 

      Durant, Joel Marcel; Ono, Kotaro; Stenseth, Nils Christian; Langangen, Øystein (Peer reviewed; Journal article, 2020)
      Climate change has profound ecological effects, yet our understanding of how trophic interactions among species are affected by climate change is still patchy. The sympatric Atlantic haddock and cod are co‐occurring across ...

    • Nordic Blue Carbon Ecosystems: Status and Outlook 

      Krause-Jensen, Dorte; Gundersen, Hege; Björk, Mats; Gullström, Martin; Dahl, Martin; Asplund, Maria E.; Boström, Christoffer; Holmer, Marianne; Banta, Gary T.; Graversen, Anna Elizabeth Løvgren; Pedersen, Morten Foldager; Bekkby, Trine; Frigstad, Helene; Skjellum, Solrun Figenschau; Thormar, Jonas; Gyldenkærne, Steen; Howard, Jennifer; Pidgeon, Emily; Ragnarsdóttir, Sunna Björk; Mols-Mortensen, Agnes; Hancke, Kasper (Peer reviewed; Journal article, 2022)
      Vegetated coastal and marine habitats in the Nordic region include salt marshes, eelgrass meadows and, in particular, brown macroalgae (kelp forests and rockweed beds). Such habitats contribute to storage of organic carbon ...

    • Nordic Seas Heat Loss, Atlantic Inflow, and Arctic Sea Ice cover over the last century 

      Smedsrud, Lars Henrik; Muilwijk, Morven; Eldevik, Tor; Årthun, Marius; Brakstad, Ailin; Madonna, Erica; Lauvset, Siv Kari; Spensberger, Clemens; Born, Andreas; Drange, Helge; Jeansson, Emil; Li, Camille; Olsen, Are; Skagseth, Øystein; Slater, Donald; Straneo, Fiammetta; Våge, Kjetil (Peer reviewed; Journal article, 2021)
      Poleward ocean heat transport is a key process in the earth system. We detail and review the northward Atlantic Water (AW) flow, Arctic Ocean heat transport, and heat loss to the atmosphere since 1900 in relation to sea ...

    • Norsk-arktisk torsk: Forskartal, feil og fangstkvote 

      Nakken, Odd (Journal article, 1997)

    • North Atlantic humpback whale abundance and rate of increase four decades after protection from whaling 

      Stevick, Peter T.; Allen, Judith; Clapham, Phillip J.; Friday, Nancy; Katona, Steven K.; Larsen, Finn; Lien, Jon; Mattila, David K.; Palsbøll, P.J.; Sigurjónsson, Jóhann; Smith, Tim D.; Øien, Nils; Hammond, Philip S. (Journal article; Peer reviewed, 2003-08-29)
      Humpback whales Megaptera novaeangliae in the North Atlantic Ocean were severely depleted by exploitation. With legal protection since 1955, substantial recovery is likely to have occurred, but information on abundance ...

    • North Sea herring population structure revealed by microsatellite analysis 

      Mariani, Stefano; Hutchinson, William F.; Hatfield, Emma M. C.; Ruzzante, Daniel E.; Simmonds, E. John; Dahlgren, Thomas G.; André, Carl; Brigham, Jennifer; Torstensen, Else; Carvalho, Gary R. (Journal article; Peer reviewed, 2005-11-21)
      The Atlantic herring Clupea harengus has played a pivotal role in the formulation of ideas relating to population structuring in marine fishes, yet considerable uncertainty remains as to the extent to which phenotypic ...

    • North Sea sensitivity to atmospheric forcing 

      Skogen, Morten D.; Drinkwater, Ken; Hjøllo, Solfrid Sætre; Schrum, Corinna (Journal article; Peer reviewed, 2011-04)
      The sensitivity of North Sea physics and phytoplankton production to atmospheric forcing has been studied by performing perturbations of the atmospheric forcing fields through a number of model simulations. The perturbations ...

    • Northeast Arctic Cod and Prey Match-Mismatch in a High-Latitude Spring-Bloom System 

      Vikebø, Frode Bendiksen; Broch, Ole Jacob; Kajiya Endo, Clarissa Akemi; Frøysa, Håvard G; Carroll, JoLynn; Juselius, Jonas; Langangen, Øystein Ole Gahr (Peer reviewed; Journal article, 2021)
      By combining an ocean model, a nutrient-phytoplankton-zooplankton-detritus-model and an individual-based model for early life stages of Northeast Arctic cod we systematically investigate food limitations and growth performance ...

    • Northeast Arctic Cod and Prey Match-Mismatch in a High-Latitude Spring-Bloom System 

      Vikebø, Frode Bendiksen; Broch, Ole Jacob; Kajiya Endo, Clarissa Akemi; Frøysa, Håvard G; Carroll, JoLynn; Juselius, Jonas; Langangen, Øystein Ole Gahr (Peer reviewed; Journal article, 2021)
      By combining an ocean model, a nutrient-phytoplankton-zooplankton-detritus-model and an individual-based model for early life stages of Northeast Arctic cod we systematically investigate food limitations and growth performance ...

    • The Northeast Arctic cod stock's consumption of commercially exploited prey species in 1984- 1986 

      Mehl, Sigbjørn (Rapports et procès-verbaux des réunions, Journal article; Peer reviewed, 1989)
      In order to evaluate the growing influence of Northeast Arctic cod (Gadus morhua) on some commercially exploited prey species, the annual consumption of these species by the cod stock has been estimated for 1984-1986. ...

    • Northern refugia and recent expansion in the North Sea: the case of the wrasse Symphodus melops (Linnaeus, 1758) 

      Robalo, Joana I.; Castilho, Rita; Francisco, Sara M.; Almada, Frederico; Knutsen, Halvor; Jorde, Per Erik; Pereira, Ana M.; Almada, Vitor C. (Peer reviewed; Journal article, 2012)

    • Norway pout, Trisopterus esmarki (Nilsson), from the littoral zone of the Norwegian Skagerrak coast 

      Gjøsæter, Jakob; Enersen, Kate; Hansen, Knut; Paulsen, Øystein; Sollie, Aadne (Journal article; Peer reviewed, 1993-12-10)
      A total of 313 Trisopterus esmarki, was caught in 11 beach seine-hauls in the littoral zone along the Norwegian Skagerrak coast in October 1992. The fish measured 5-10 cm (total length) and therefore belonged to the 1992 ...

    • Norwegian fisheries in the Svalbard zone since 1980. Regulations, profitability and warming waters affect landings 

      Misund, Ole Arve; Heggland, Kristin; Skogseth, Ragnheid; Falck, Eva; Gjøsæter, Harald; Sundet, Jan Henry; Watne, Jens; Lønne, Ole Jørgen (Journal article; Peer reviewed, 2016-02-02)
      The Svalbard archipelago in the High Arctic is influenced by cold Arctic water masses from the north-east and the warm West Spitsbergen Current flowing northwards along its western coast. The eastern waters and the fjords ...