Now showing items 112-131 of 145

    • The reproductive cycle of female Ballan wrasse Labrus bergylta in high latitude, temperate waters 

      Muncaster, S.; Andersson, Eva; Kjesbu, Olav Sigurd; Taranger, Geir Lasse; Skiftesvik, Anne Berit; Norberg, Birgitta (Journal article; Peer reviewed, 2010-08)
      This 2 year study examined the reproductive cycle of wild female Ballan wrasse Labrus bergylta in western Norway as a precursor to captive breeding trials. Light microscopy of ovarian histology was used to stage gonad ...
    • Retrieving the times series of input data for assessment of NEA saithe 

      Fotland, Åge; Mehl, Sigbjørn (Working paper, 2010-04)
      This WD is meant as an explanation to how the times series input files for the assessment of NEA saithe is expanded to age 15+ at the 2010 AFWG. Table 3 and 4 includes age group 2. This age group is not used in the current ...
    • Risk Assessment of Catch and Release 

      Olsen, Rolf Erik; Næsje, Tor Fredrik; Poppe, Trygve; Sneddon, Lynne; Webb, John (Research report, 2010-03-17)
    • RNA deep sequencing of the Atlantic cod transcriptome 

      Johansen, Steinar D.; Karlsen, Bård Ove; Furmanek, Tomasz; Andreassen, Morten; Jørgensen, Tor Erik; Bizuayehu, Teshome T.; Breines, Ragna; Emblem, Åse; Kettunen, Päivi; Luukko, Keijo; Edvardsen, Rolf B.; Nordeide, Jarle Tryti; Coucheron, Dag H.; Moum, Truls (Journal article; Peer reviewed, 2010-05-20)
      The Atlantic cod (Gadus morhua) is an emerging aquaculture species. Efforts to develop and characterize its genomic recourses, including draft-grade genome sequencing, have been initiated by the research community. The ...
    • The sampling volume of trawl and acoustics: estimating availability probabilities from observations of tracked individual fish 

      Handegard, Nils Olav; Tjøstheim, Dag (Journal article; Peer reviewed, 2009-03-10)
      The effective sampling volume of trawl and acoustics is an important parameter in fish abundance estimation surveys. This paper presents a method to compute the probability of a fish being available to the bottom trawl and ...
    • Some information about CPUE in the Norwegian NEA-saithe trawl fishery 

      Fotland, Åge; Huse, Irene; Mehl, Sigbjørn (Working paper, 2010-02)
    • Spawning stock and recruitment in North Sea cod shaped by food and climate 

      Olsen, Esben Moland; Ottersen, Geir; Llope, Marcos; Chan, Kung-Sik; Beaugrand, Grégory; Stenseth, Nils Christian (Journal article; Peer reviewed, 2010-09-01)
      In order to provide better fisheries management and conservation decisions, there is a need to discern the underlying relationship between the spawning stock and recruitment of marine fishes, a relationship which is ...
    • 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 ...
    • Stimfisk - et viktig element i det dynamiske havmiljøet 

      van der Meeren, Gro; Aglen, Asgeir; Eriksen, Elena; Johannesen, Edda; Knutsen, Tor; Stenevik, Erling Kåre; Tjelmeland, Sigurd; Øien, Nils; Lorentsen, Svein-Håkon (Conference object, 2010-09-23)
    • A taxonomic review of the Western Indian Ocean goathfishes of the genus Upeneus (Family Mullidae), with descriptions of four new species 

      Uiblein, Franz; Heemstra, Phillip C. (Journal article; Peer reviewed, 2010-02-05)
      The taxonomy of the goatfish species of the genus Upeneus from the Western Indian Ocean is reviewed. Sixteen species are recognized: U. davidaromi, U. doriae, U. guttatus, U. indicus sp. nov., U. margarethae sp. nov., U. ...
    • Taxonomic review of Western Indian Ocean goatfishes of the genus Mulloidichthys (Family Mullidae), with description of a new species and remarks on colour and body form variation in Indo-West Pacific species 

      Uiblein, Franz (Journal article; Peer reviewed, 2011-04)
      The taxonomy of the goatfish species of the genus Mulloidichthys from the Western Indian Ocean is reviewed. Four species are recognized: M. ayliffe sp. nov., M. flavolineatus, M. pfl uegeri and M. vanicolensis. As colour may ...
    • Tenacibaculum sp. associated with winter ulcers in sea-reared Atlantic salmon Salmo salar 

      Olsen, Anne Berit; Nilsen, Helene; Sandlund, Nina; Mikkelsen, Helene; Sørum, H.; Colquhoun, D.J. (Journal article; Peer reviewed, 2011-05-09)
      Coldwater-associated ulcers, i.e. winter ulcers, in seawater-reared Atlantic salmon Salmo salar L. have been reported in Norway since the late 1980s, and Moritella viscosa has been established as an important factor in ...
    • The genome sequence of Atlantic cod reveals a unique immune system 

      Star, Bastiaan; Nederbragt, Alexander J.; Jentoft, Sissel; Grimholt, Unni; Malmstrøm, Martin; Gregers, Tone F.; Rounge, Trine B.; Paulsen, Jonas; Solbakken, Monica H.; Sharma, Animesh; Wetten, Ola F.; Lanzén, Anders; Winer, Roger; Knight, James; Vogel, Jan-Hinnerk; Aken, Bronwen; Andersen, Øivind; Lagesen, Karin; Tooming-Klunderud, Ave; Edvardsen, Rolf B.; Tina, Kirubakaran G.; Espelund, Mari; Nepal, Chirag; Previti, Christopher; Karlsen, Bård Ove; Moum, Truls; Skage, Morten; Berg, Paul R.; Gjøen, Tor; Kuhl, Heiner; Thorsen, Jim; Malde, Ketil; Reinhardt, Richard; Du, Lei; Johansen, Steinar D.; Searle, Steve; Lien, Sigbjørn; Nilsen, Frank; Jonassen, Inge; Omholt, Stig W.; Stenseth, Nils Christian; Jakobsen, Kjetill S. (Journal article; Peer reviewed, 2011-08-10)
      Atlantic cod (Gadus morhua) is a large, cold-adapted teleost that sustains long-standing commercial fisheries and incipient aquaculture. Here we present the genome sequence of Atlantic cod, showing evidence for complex ...
    • The Norwegian plan for integrated ecosystem-based management of the marine environment in the Norwegian Sea 

      Ottersen, Geir; Olsen, Erik; van der Meeren, Gro; Dommasnes, Are; Loeng, Harald (Journal article; Peer reviewed, 2010-11-30)
      A White Paper on a new integrated management plan for the Norwegian Sea was launched by the Norwegian government in May 2009. Following international guidelines for ecosystem-based management, the plan provides an overall ...
    • Thermal niche of Atlantic cod Gadus morhua: limits, tolerance and optima 

      Righton, David; Andersen, Ken Haste; Neat, Francis; Thorsteinsson, Vilhjalmur; Steingrund, P.; Svedäng, Henrik; Michalsen, Kathrine; Hinrichsen, Hans-Harald; Bendall, Victoria; Neuenfeldt, Stefan; Wright, Peter; Jonsson, Patrik; Huse, Geir; Kooij, Jeroen van der; Mosegaard, Henrik; Hüssy, Karin; Metcalfe, Julian D. (Journal article; Peer reviewed, 2010)
      Recent studies in the marine environment have suggested that the limited phenotypic plasticity of cold-adapted species such as Atlantic cod Gadus morhua L. will cause distributions to shift toward the poles in response to ...
    • The three-dimensional prey field of the northern krill, Meganyctiphanes norvegica, and the escape responses of their copepod prey 

      Abrahamsen, Mari B.; Browman, Howard I.; Fields, David M.; Skiftesvik, Anne Berit (Journal article; Peer reviewed, 2010-02-24)
      In the north Atlantic, Meganyctiphanes norvegica feeds predominantly on copepods, including Calanus spp. To quantify its perceptual field for prey, and the sensory systems underlying prey detection, the responses of tethered ...
    • 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 ...
    • Trophic interactions affecting a key ecosystem component: a multi-stage analysis of the recruitment of the Barents Sea capelin 

      Hjermann, Dag Ø.; Bogstad, Bjarte; Dingsør, Gjert Endre; Gjøsæter, Harald; Ottersen, Geir; Eikeset, Anne Maria; Stenseth, Nils Christian (Journal article; Peer reviewed, 2010-08-10)
      The Barents Sea stock of capelin (Mallotus villosus) has suffered three major collapses (>90% reduction) since 1985 due to recruitment failures. As capelin is a key species in the area, these population collapses have had ...
    • Undersøkelser av A-felt for tarehøsting i Møre og Romsdal og Sør-Trøndelag i 2011 

      Steen, Henning (Rapport fra Havforskningen;Nr. 13-2011, Working paper, 2011-10-07)
      Norsk: Havforskningsinstituttet gjennomførte i juni 2011 undersøkelser av A-høstefelt for tare i Møre og Romsdal og Sør-Trøndelag. Tarevegetasjonens tilstand og tetthet av kråkeboller ble undersøkt ved hjelp av ...
    • Undersøkelser av hydrokarboner i sedimenter fra MAREANO-området 2006-2009 

      Boitsov, Stepan; Jensen, Henning K. B.; Klungsøyr, Jarle (Fisken og havet;4-2011, Research report, 2011-06)
      Institute of Marine Research has analysed approximately 1600 samples from sediment cores from 63 places in the MAREANO area, sampled in south-western Barents Sea and off the coast of Lofoten islands in 2006-2009. Sedimentological ...