Now showing items 41-60 of 9638

    • Some observations of Cancer pagurus Linnaeus, 1758 (Decapoda, Brachyura) in deep water 

      Bakke, Snorre; Buhl-Mortensen, Lene; Buhl-Mortensen, Pål (Journal article; Peer reviewed, 2019)
      Available species information pages and fact sheets define 100 to 200 m as the maximum depth of occurrence for Cancer pagurus. We here present some observations from video transects conducted in Sognesjøen, Norway, where ...
    • Strategies Used Throughout the World to Manage Fisheries Discards – Lessons for Implementation of the EU Landing Obligation 

      Karp, William A; Breen, Michael; Borges, Lisa; Fitzpatrick, Mike; Kennelly, Steven J.; Kolding, Jeppe; Nielsen, Kåre Nolde; Vidarsson, Jonas R.; Cocas, Luis; Leadbitter, Duncan (Chapter, 2019)
      In many countries, policies regarding reduction of unwanted catch and discards are crafted in response to concerns regarding accountability, conservation, and waste as well as scientific needs to fully account for all ...
    • Stimulating release of undersized fish through a square mesh panel in the Basque otter trawl fishery 

      Cuende, Elsa; Arregi, Luis; Herrmann, Bent; Sistiaga, Manu Berrondo; Onandia, Inigo (Journal article; Peer reviewed, 2019)
      Discards of regulated species in the Basque mixed trawl fishery are a challenge. In 2006, a square mesh panel (SMP) was introduced in the fishery to increase the release efficiency of undersized fish. However, studies have ...
    • Assessing the performance of statistical classifiers to discriminate fish stocks using Fourier analysis of otolith shape 

      Smoliński, Szymon; Schade, Franziska M.; Berg, Florian (Journal article; Peer reviewed, 2019)
      The assignment of individual fish to its stock of origin is important for reliable stock assessment and fisheries management. Otolith shape is commonly used as the marker of distinct stocks in discrimination studies. Our ...
    • The planktonic stages of the salmon louse (Lepeophtheirus salmonis) are tolerant of end-of-century pCO2 concentrations 

      Thompson, Cameron; Fields, David M.; Bjelland, Reidun Marie; Chan, Vera BS; Durif, Caroline; Mount, Andrew; Runge, Jeffrey A.; Shema, Steven; Skiftesvik, Anne Berit; Browman, Howard (Journal article; Peer reviewed, 2019)
      The copepod Lepeophtheirus salmonis is an obligate ectoparasite of salmonids. Salmon lice are major pests in salmon aquaculture and due to its economic impact Lepeophtheirus salmonis is one of the most well studied species ...
    • Possible adverse impact of contaminants on Atlantic cod population dynamics in coastal ecosystems 

      Ono, Kotaro; Knutsen, Halvor; Olsen, Esben Moland; Ruus, Anders; Hjermann, Dag Øystein; Stenseth, Nils Christian (Journal article; Peer reviewed, 2019)
      While many in-laboratory ecotoxicological studies have shown the adverse impact of pollutants to the fitness of an individual, direct evidence from the field on the population dynamics of wildlife animals has been lacking. ...
    • Evaluation of potential reference genes in real-time RT-PCR studies of Atlantic salmon 

      Olsvik, Pål A.; Lie, Kai Kristoffer; Olderbakk Jordal, Anne-Lise; Nilsen, Tom Ole; Hordvik, Ivar (Journal article; Peer reviewed, 2005)
      Background Salmonid fishes are among the most widely studied model fish species but reports on systematic evaluation of reference genes in qRT-PCR studies is lacking. Results The stability of six potential reference ...
    • Comparative analysis of IgM sub-variants in salmonid fish and identification of a residue in mu 3 which is essential for MAb4C10 reactivity 

      Kamil, Atif; Raae, Arnt Johan; Fjelldal, Per Gunnar; Koppang, Erling Olaf; Fladmark, Kari Espolin; Hordvik, Ivar (Journal article; Peer reviewed, 2013)
      In rainbow trout (Onchorhynchus mykiss) it has been shown that high affinity IgM antibodies havea higher degree of disulfide polymerization and a longer half life time. In the present study, distinct IgMsub-variants related ...
    • Efficient coralline algal psbA mini barcoding and High Resolution Melt HRM) analysis using a simple custom DNA preparation 

      Anglès d'Auriac, Marc; Le Gall, Line; Peña, Viviana; Hall-Spencer, Jason M.; Steneck, Robert S.; Fredriksen, Stein; Gitmark, Janne Kim; Christie, Hartvig C; Husa, Vivian; Grefsrud, Ellen Sofie; Rinde, Eli (Journal article; Peer reviewed, 2019)
      Coralline algae form extensive maerl and rhodolith habitats that support a rich biodiversity. Calcium carbonate harvesting as well as trawling activities threatens this ecosystem. Eleven species were recorded so far as ...
    • A framework for the development of a global standardised marine taxon reference image database (SMarTaR-ID) to support image-based analyses 

      Howell, Kerry L.; Davies, Jaime S.; Allcock, Louise; Braga-Henriques, Andreia; Buhl-Mortensen, Pål; Carreiro-Silva, Marina; Dominguez-Carrio, Carlos; Durden, Jennifer M.; Foster, Nicola L.; Game, Chloe A.; Hitchin, Becky; Horton, Tammy; Hosking, Brett; Jones, Daniel O.B.; Mah, Christopher L.; Laguionie Marchais, Claire; Menot, Lenaick; Morato, Telmo; Pearman, Tabitha R.R.; Ross, Rebecca; Ruhl, Henry A.; Saeedi, Hanieh; Stefanoudis, Paris V.; Taranto, Gerald H.; Thompson, Michael B.; Taylor, James R.; Tyler, Paul A.; Vad, Johanne; Victorero, Lissette; Vieira, Rui P.; Woodall, Lucy C.; Xavier, Joana R.; Wagner, Daniel (Journal article; Peer reviewed, 2019)
      Video and image data are regularly used in the field of benthic ecology to document biodiversity. However, their use is subject to a number of challenges, principally the identification of taxa within the images without ...
    • Evaluating effort regulation in mixed fisheries: a Monte Carlo approach 

      Liu, Xiaozi; Heino, Mikko Petteri (Journal article; Peer reviewed, 2019)
      This paper evaluates whether effort regulation could achieve the goal of protecting low-abundance species in mixed fisheries. We construct a two-species bio-economic model and compare the stock abundance ratio in the end ...
    • Improving scallop (Pecten maximus and Placopecten magellanicus) spat production by initial larvae size and hydrodynamic cues used in nursery system 

      Tremblay, Rejean; Christophersen, Gyda; Nadalini, Jean-Bruno; Redjah, Iften; Magnesen, Thorolf; Andersen, Sissel (Journal article; Peer reviewed, 2019)
      There are several factors affecting scallops during the metamorphosis process that could explain the relatively low post-larvae yield observed in hatcheries. Competent bivalve larvae respond to different settlement cues ...
    • Analysis of immunoglobulin and T cell receptor gene expression in ballan wrasse (Labrus bergylta) revealed an extraordinarily high IgM expression in the gut 

      Bilal, Sumaira; Lie, Kai Kristoffer; Dalum, Alf Seljenes; Karlsen, Odd Andre; Hordvik, Ivar (Journal article; Peer reviewed, 2019)
      The serum IgM concentration of ballan wrasse is relatively high, estimated to approximately 13 mg/ml in adult wild fish of 800 g. The present study revealed an unusual high abundance of IgM mRNA in the gut of ballan wrasse. ...
    • Feed-to-fillet transfer of selenite and selenomethionine additives to plant-based feeds to farmed atlantic salmon fillet 

      Berntssen, Marc; Lundebye, Anne-Katrine; Amund, Heidi; Sele, Veronika; Ørnsrud, Robin (Journal article; Peer reviewed, 2019)
      This study investigated the transfer kinetics of dietary selenite and selenomethionine (SeMet) to the fillet of farmed Atlantic salmon (Salmo salar). The uptake and elimination rate constants of the two selenium (Se) forms ...
    • Influence of the geographical origin on substance concentrations in herring as basis for dietary exposure assessments 

      Fechner, C.; Frantzen, Sylvia; Lindtner, O; Mathisen, Gro Haarklou; Lillegaard, Inger Therese L. (Journal article; Peer reviewed, 2019)
      Previous investigations on agricultural products showed that geographical origin influences concentrations of selected undesirable substances and ultimately dietary exposure assessment. This could also be relevant for fish ...
    • On the future of Argo: A global, full-depth, multi-disciplinary array 

      Roemmich, Dean; Alford, Matthew H.; Claustre, Herve; Johnson, Kenneth S.; King, Brian; Moum, James; Oke, Peter R.; Owens, W. Brechner; Pouliquen, Sylvie; Purkey, Sarah; Scanderbeg, Megan; Suga, Toshio; Wijffels, Susan E.; Zilberman, Nathalie; Bakker, Dorothee; Baringer, Molly O.; Belbeoch, Mathieu; Bittig, Henry C.; Boss, Emmanuel; Calil, Paulo; Carse, Fiona; Carval, Thierry; Chai, Fei; Conchubhair, Diarmuid Ó.; D'Ortenzio, Fabrizio; Dall'Olmo, Giorgio; Desbruyeres, Damien; Fennel, Katja; Fer, Ilker; Ferrari, Raffaele; Forget, Gael; Freeland, Howard; Fujiki, Tetsuichi; Gehlen, Marion; Greenan, Blair; Hallberg, Robert; Hibiya, Toshiyuki; Hosoda, Shigeki; Jayne, Steven; Jochum, Markus; Johnson, Gregory C.; Kang, KiRyong; Kolodziejczyk, Nicolas; Körtzinger, Arne; Le Traon, Pierre-Yves; Lenn, Yueng-Djern; Maze, Guillaume; Mork, Kjell Arne; Morris, Tamaryn; Nagai, Takeyoshi; Nash, Jonathan; Garabato, Alberto N.; Olsen, Are; Pattabhi, Rama R.; Prakash, Satya; Riser, Stephen; Schmechtig, Catherin; Shroyer, Emily; Sterl, Andreas; Sutton, Philip; Talley, Lynne; Tanhua, Toste; Thierry, Virginie; Thomalla, Sandy; Toole, John; Troisi, Ariel; Trull, Thomas W.; Turton, Jonathan D.; Vélez-Belchi, Pedro Joaquin; Walczowski, Waldemar; Wang, Haili; Wanninkhof, Rik; Waterhouse, Amy F.; Watson, Andrew; Wilson, Cara; Wong, Annie P.S.; Xu, Jianping; Yasuda, Ichiro (Journal article; Peer reviewed, 2019)
      The Argo Program has been implemented and sustained for almost two decades, as a global array of about 4000 profiling floats. Argo provides continuous observations of ocean temperature and salinity versus pressure, from ...
    • No room for dessert: A mechanistic model of prey selection in gut-limited predatory fish 

      Fall, Johanna Jennifer Elisabeth; Fiksen, Øyvind (Journal article; Peer reviewed, 2019)
      Predatory fish structure communities through prey pursuit and consumption and, in many marine systems, the gadoids are particularly important. These predators have flexible feeding behaviours and often feed on large prey ...
    • Recommendations for dietary level of micro-minerals and vitamin D3 to Atlantic salmon (Salmo salar) parr and post-smolt when fed low fish meal diets 

      Antony Jesu Prabhu, Antony Jesu Prabhu; Lock, Erik-Jan; Hemre, Gro Ingunn; Hamre, Kristin; Espe, Marit; Olsvik, Pål Asgeir; Silva, Joana; Hansen, Ann-Cecilie; Johansen, Johan; Sissener, Nini; Waagbø, Rune (Journal article; Peer reviewed, 2019)
      Atlantic salmon (Salmo salar) feeds have changed drastically in their composition from being predominantly marine-based to plant-based. This has altered the dietary supply and availability of micro-nutrients to Atlantic ...
    • Effects of agricultural pesticides in aquafeeds on wild fish feeding on leftover pellets near fish farms 

      Olsvik, Pål Asgeir; Larsen, Anett Kristin; Berntssen, Marc; Goksøyr, Anders; Karlsen, Odd Andre; Yadetie, Fekadu; Sanden, Monica; Kristensen, Torstein (Journal article; Peer reviewed, 2019)
      Screening has revealed that modern-day feeds used in Atlantic salmon aquaculture might contain trace amounts of agricultural pesticides. To reach slaughter size, salmon are produced in open net pens in the sea. Uneaten ...
    • Surface heat budget over the north sea in climate change simulations 

      Dieterich, Christian; Wang, Shiyu; Schimanke, Semjon; Gröger, Matthias; Klein, Birgit; Hordoir, Robinson; Samuelsson, Patrick; Liu, Ye; Axell, Lars; Höglund, Anders; Markus Meier, HE (Journal article; Peer reviewed, 2019)
      An ensemble of regional climate change scenarios for the North Sea is validated and analyzed. Five Coupled Model Intercomparison Project Phase 5 (CMIP5) General Circulation Models (GCMs) using three different Representative ...