Now showing items 1643-1662 of 3008

    • Latent Gaussian models to predict historical bycatch in commercial fishery 

      Breivik, Olav Nikolai; Storvik, Geir Olve; Nedreaas, Kjell Harald (Peer reviewed; Journal article, 2017)
      Knowledge about how many fish that have been killed due to bycatch is an important aspect of ensuring a sustainable ecosystem and fishery. We introduce a Bayesian spatio-temporal prediction method for historical bycatch ...
    • Lateral-aspect target strength measurements of in situ herring (Clupea harengus) 

      Pedersen, Geir; Handegard, Nils Olav; Ona, Egil (Journal article; Peer reviewed, 2009-07)
      Surveys of schooling herring with the new multi-beam sonar (Simrad MS70) pose new challenges when converting the echo energy to estimates of biomass. Since the sonar projects horizontally, data and models of lateral-aspect ...
    • Latitudinal differences in early growth of largehead hairtail (Trichiurus japonicus) in relation to environmental variables 

      Sun, Peng; Chen, Qi; Fu, Caihong; Xu, Yi; Sun, Runlong; Li, Jianchao; Yu, Haiqing; Zhang, Chi; Liu, Yang; Ye, Zhenjiang; Tian, Yongjun; Heino, Mikko Petteri (Peer reviewed; Journal article, 2020)
      Largehead hairtail (Trichiurus japonicus) in the China Seas shows an increasing catch trend, despite continued overexploitation, which could be attributed to improved recruitment as a result of strengthened early growth. ...
    • Latitudinally distinct stocks of Atlantic cod face fundamentally different biophysical challenges under on-going climate change 

      Kjesbu, Olav Sigurd; Alix, Maud; Sandø, Anne Britt; Strand, Espen; Wright, Peter J.; Johns, David G.; Thorsen, Anders; Marshall, C. Tara; Bakkeplass, Kjell Gunnar; Vikebø, Frode Bendiksen; Myksvoll, Mari Skuggedal; Ottersen, Geir; Allan, Bridie Jean Marie; Fossheim, Maria; Stiansen, Jan Erik; Huse, Geir; Sundby, Svein (Peer reviewed; Journal article, 2023)
      The reproductive success of marine ectotherms is especially vulnerable in warming oceans due to alterations in adult physiology, as well as embryonic and larval survival prospects. These vital responses may, however, differ ...
    • Latitudinally distinct stocks of Atlantic cod face fundamentally different biophysical challenges under on-going climate change 

      Kjesbu, Olav Sigurd; Alix, Maud; Sandø, Anne Britt; Strand, Espen; Wright, Peter J.; Johns, David G.; Thorsen, Anders; Marshall, C. Tara; Bakkeplass, Kjell Gunnar; Vikebø, Frode Bendiksen; Myksvoll, Mari Skuggedal; Ottersen, Geir; Allan, Bridie Jean Marie; Fossheim, Maria; Stiansen, Jan Erik; Huse, Geir; Sundby, Svein (Peer reviewed; Journal article, 2023)
      The reproductive success of marine ectotherms is especially vulnerable in warming oceans due to alterations in adult physiology, as well as embryonic and larval survival prospects. These vital responses may, however, differ ...
    • Leads in Arctic pack ice enable early phytoplankton blooms below snow-covered sea ic 

      Assmy, Philipp; Fernández-Méndez, Mar; Duarte, Pedro; Meyer, Amelie; Randelhoff, Achim; Mundy, Christopher John; Olsen, Lasse; Kauko, Hanna M.; Bailey, Allison; Chierici, Melissa; Cohen, Lana; Doulgeris, Anthony Paul; Ehn, Jens K.; Fransson, Agneta; Gerland, Sebastian; Hop, Haakon; Hudson, Stephen R.; Hughes, Nick; Itkin, Polona; Johnsen, Geir; King, Jennifer A.; Koch, Boris P.; Koenig, Zoe; Kwasniewski, Slawomir; Laney, Samuel R.; Nikolaus, Marcel; Pavlov, Alexey K.; Polashenski, Christopher M.; Provost, Christine; Rösel, Anja; Sandbu, Marthe; Spreen, Gunnar; Smedsrud, Lars H.; Sundfjord, Arild; Taskjelle, Torbjørn; Tatarek, Agnieszka; Wiktor, Josef; Wagner, Penelope Mae; Wold, Anette; Steen, Harald; Granskog, Mats A. (Peer reviewed; Journal article, 2017)
    • Lean-seafood intake increases urinary iodine concentrations and plasma selenium levels: a randomized controlled trial with crossover design 

      Øyen, Jannike; Aadland, Eli Kristin; Liaset, Bjørn; Fjære, Even; Dahl, Lisbeth; Madsen, Lise (Peer reviewed; Journal article, 2020)
      Iodine deficiency due to insufficient nutritional intake is a public health challenge in several European countries, including Norway. Lean-seafood has a high iodine and arsenic (As) content and is a good source of selenium ...
    • Learning and anticipatory behaviour in a “sit-and-wait” predator: the Atlantic halibut 

      Nilsson, Jonatan; Kristiansen, Tore S.; Fosseidengen, Jan Erik; Stien, Lars Helge; Fernö, Anders; van den Bos, Ruud (Journal article; Peer reviewed, 2010-03)
      We studied the learning capacities and anticipatory behaviour in a “sit-and-wait” predatory fish, the Atlantic halibut, Hippoglossus hippoglossus. In Experiment 1 two groups of halibut received series of light flashes ...
    • Lebetus scorpioides and Buenia jeffreysii (Teleostei: Gobiidae) found north of the Arctic Circle 

      Byrkjedal, Ingvar; Wienerroither, Rupert; Jensen, Gjertrud (Journal article; Peer reviewed, 2016-05-20)
      Two gobiid species, Lebetus scorpioides and Buenia jeffreysii, were recorded in northern Norway, for the first time north of the Arctic Circle. While both species were found on the continental shelf west of the Lofoten ...
    • Legacy and emerging per- and polyfluorinated alkyl substances (PFASs) in sediment and edible fish from the Eastern Red Sea 

      Ali, Aasim M; Sanden, Monica; Higgins, Christopher; Hale, Sarah; Alarif, Walied; Al-Lihaibi, Sultan; Ræder, Erik Magnus; Langberg, Håkon Austad; Kallenborn, Roland (Peer reviewed; Journal article, 2021)
      Poly and perfluorinated alkyl substances (PFASs) are ubiquitously detected all around the world. Herein, for the first time, concentrations of 16 selected legacy and emerging PFASs are reported for sediment and edible fish ...
    • Lemon sole Microstomus kitt in the northern North Sea: a multidisciplinary approach to the early life-history dynamics 

      Geffen, Audrey J.; Albretsen, Jon; Huwer, Bastian; Nash, Richard David Marriott (Peer reviewed; Journal article, 2021)
      Lemon sole Microstomus kitt is a commercially valuable flatfish species that occurs in shelf waters around the northeast Atlantic. Only the most basic life-history information is available for the North Sea. Spawning is ...
    • A length-based hypothesis for feeding migrations in pelagic fish 

      Nøttestad, Leif; Giske, Jarl; Holst, Jens Christian; Huse, Geir (Journal article; Peer reviewed, 1999)
      We evaluated the costs and benefits of long-distance horizontal migration by pelagic planktivores, Atlantic herring (Clupea harengus), blue whiting (Micromesistius poutassou), mackerel (Scomber scombrus), and capelin (Mallotus ...
    • Lessons from the first generation of marine ecological forecast products 

      Payne, Mark R.; Hobday, Alistair J.; MacKenzie, Brian R.; Tommasi, Desiree; Dempsey, Danielle P.; Fässler, Sascha M. M.; Haynie, Alan C.; Ji, Rubao; Liu, Gang; Lynch, Patrick; Matei, Daniela; Miesner, Anna K.; Mills, Kathrine E.; Strand, Kjersti Opstad; Villarino, Ernesto (Peer reviewed; Journal article, 2017)
    • Lessons on Marine Protected Area Management in Northern Boreal Regions from the United States and Norway 

      McDermott, Susanne F.; Buhl-Mortensen, Lene; Dahle, Geir; Hart, Deborah; Haynie, Alan C.; Johannessen, Tore; Moksness, Erlend; Olsen, Esben Moland; Olsen, Erik Joel Steinar; Olson, John V.; Spencer, Paul D.; Stockhausen, William T. (Journal article, 2017)
      In comparison to tropical reef systems, relatively few marine protected areas (MPA’s) exist in temperate or subarctic systems (e.g., North Pacific and North Atlantic) where species diversity is lower, abundance of individual ...
    • Leucine did not stimulate growth and accretion in either stressed or unstressed Atlantic salmon 

      Espe, Marit; Lai, Floriana; Gomes, Ana S.; De Santis, Christian; Hartviksen, Mali B.; Holen, Elisabeth; Rønnestad, Ivar (Peer reviewed; Journal article, 2021)
      The aim of the current trial was to test whether leucine affected growth and accretion including test any effects on leucine upon stress. Quadruplicate tanks each containing 50 Atlantic salmon (Salmo salar) (mean start ...
    • Life cycle of hake and likely management implications 

      Strømme, Tore; Lipinski, Marek R.; Kainge, Paulus (Journal article; Peer reviewed, 2015-12-12)
      Despite its economic and social importance for Namibia and South Africa, limited documented information exists regarding key aspects of the biology of deep-water hake, including its life cycle. This study utilizes data ...
    • Life history and demographic determinants of effective/census size ratios as exemplified by brown trout (Salmo trutta) 

      Serbezov, Dimitar; Jorde, Per Erik; Bernatchez, L; Olsen, Esben Moland; Vøllestad, Leif Asbjørn (Journal article; Peer reviewed, 2012)
      A number of demographic factors, many of which related to human-driven encroachments, are predicted to decrease the effective population size (Ne) relative to the census population size (N), but these have been little ...
    • Life history genomic regions explain differences in Atlantic salmon marine diet specialization 

      Aykanat, Tutku; Rasmussen, Martin; Ozerov, Mikhail; Niemelä, Eero; Paulin, Lars; Vähä, Juha-Pekka; Hindar, Kjetil; Wennevik, Vidar; Pedersen, Torstein; Svenning, Martin; Primmer, Craig R. (Peer reviewed; Journal article, 2020)
    • Life history of fjord cod from the Skagerrak in the mid-2000s compared to 1905 

      Lund, Marthe Bråthen; Olsen, Esben Moland; Espeland, Sigurd Heiberg; Stenseth, Nils Christian (Journal article; Peer reviewed, 2011-03-01)
      Life history changes serve as stress indicators in harvested populations. Data from recent decades show that many species of marine fish are now maturing at younger ages and smaller sizes, associated with a general increase ...
    • Life history traits for Ophryotrocha craigsmithi (Wiklund, Glover & Dahlgren, 2009), a candidate species in integrated multitrophic aquaculture 

      Svensson, Signe Gunborg Bentzröd; Strohmeier, Tore; Rastrick, Helen; Aguera, Antonio; Lock, Erik Jan Robert; Sveier, Harald; Jansen, Henrice M (Peer reviewed; Journal article, 2023)
      Ophryotrocha craigsmithi (Wiklund, Glover & Dahlgren, 2009) has repeatedly been observed in high densities at salmonid fish farms in Norway and has been shown to feed on the organic waste released during fish production. ...