Nye registreringer

  • Methods for tagging an ectoparasite, the salmon louse Lepeophtheirus salmonis 

    Folk, Alexius Werner Thomas; Mennerat, Adele (Journal article; Peer reviewed, 2024)
    Monitoring individuals within populations is a cornerstone in evolutionary ecology, yet individual tracking of invertebrates and particularly parasitic organisms remains rare. To address this gap, we describe here a method ...
  • Occurrence of salmonid alphavirus and piscine orthoreovirus-1 infections in migrating salmon (Salmo salar L.) post-smolt in western Norway 

    Madhun, Abdullah Sami; Nilsen, Rune; Barlaup, Bjørn Torgeir; Karlsen, Ørjan; Karlsbakk, Egil Erlingsson (Journal article; Peer reviewed, 2023)
    Viral diseases are a serious problem in Atlantic salmon (Salmo salar L.) farming in Norway, often leading to reduced fish welfare and increased mortality. Disease outbreaks in salmon farms may lead to spread of viruses to ...
  • Five reasons to take the precautionary approach to deep sea exploitation 

    Bisson, Kelsey; McMonagle, Helena; Iglesias, Ilysa; Halfter, Svenja; Gallo, Natalya (Journal article, 2023)
    Extractive activities in the deep sea are poised to advance faster than the science needed to evaluate risks. Here, we call for a strong precautionary approach in developing these industries.
  • Diminishing returns on labour in the global marine food system 

    Scherrer, Kim Josefin Niklasdotter; Rousseau, Yannick; Teh, Lydia C.L.; Sumaila, U. Rashid; Galbraith, Eric D. (Journal article; Peer reviewed, 2023)
    Technological advances over the past century have greatly reduced the proportion of human labour required to produce the world’s food. On land, these advances have continually increased yields, feeding a growing human ...
  • DNA and scale reading to identify repeat spawning in Atlantic salmon: Unique insights into patterns of iteroparity 

    Kaland, Håvard; Harvey, Alison C.; Skaala, Øystein; Wennevik, Vidar; Besnier, Francois; Andersen-Fjeldheim, Per Tommy; Knutar, Sofie; Andersen-Fjeldheim, Kaja Christine; Glover, Kevin Alan (Journal article; Peer reviewed, 2023)
    Iteroparity represents an important but often overlooked component of life history in anadromous Atlantic salmon. Here, we combined individual DNA profiling and scale reading to identify repeat spawners among ~8000 adult ...
  • Positioning aquatic animals with acoustic transmitters 

    Lennox, Robert; Aarestrup, Kim; Alós, Josep; Arlinghaus, Robert; Aspillaga, Eneko; Bertram, Michael G.; Birnie-Gauvin, Kim; Brodin, Tomas; Cooke, Steven J.; Dahlmo, Lotte Svengård; Dhellemmes, Félicie; Gjelland, Karl Øystein; Hellström, Gustav; Hershey, Henry; Holbrook, Christopher; Klefoth, Thomas; Lowerre-Barbieri, Susan; Monk, Christopher T.; Nilsen, Cecilie Iden; Pauwels, Ine; Pickholtz, Renanel; Prchalová, Marie; Reubens, Jan; Říha, Milan; Villegas-Ríos, David; Vollset, Knut; Westrelin, Samuel; Baktoft, Henrik (Journal article; Peer reviewed, 2023)
    Geolocating aquatic animals with acoustic tags has been ongoing for decades, relying on the detection of acoustic signals at multiple receivers with known positions to calculate a 2D or 3D position, and ultimately recreate ...
  • The evolving story of catadromy in the European eel (Anguilla anguilla) 

    Durif, Caroline; Arts, M.; Bertolini, F.; Cresci, Alessandro; Daverat, F.; Karlsbakk, Egil Erlingsson; Koprivnikar, J.; Moland, Even; Olsen, Esben Moland; Parzanini, C.; Power, M.; Rohtla, Mehis; Skiftesvik, Anne Berit; Thorstad, Eva Bonsak; Vøllestad, Leif Asbjørn; Browman, Howard (Journal article; Peer reviewed, 2023)
    Anguillid eels were once considered to be the classic example of catadromy. However, alternative life cycles have been reported, including skipping the freshwater phase and habitat shifting between fresh, brackish, and ...
  • New wine in old bottles: Modification of the Na+/K+-ATPase enzyme activity assay and its application in salmonid aquaculture 

    Takvam, Marius; Sundell, Kristina; Sundh, Henrik; Gharbi, Naouel; Kryvi, Harald; Nilsen, Tom Ole (Journal article; Peer reviewed, 2023)
    The Na+, K+ ATPase (NKA) enzyme is important to generate the transmembrane ion gradient in the gills, intestine, and kidneys, hence, is vital for secondary transport of fluids and different solutes in teleosts. Gill NKA ...
  • ECKOchain: A FAIR blockchain-based database for long-term ecological data 

    Marstein, Kjell-Erik; Grytnes, John Arvid; Lewis, Robert John (Journal article; Peer reviewed, 2024)
    Open data practices in ecology are increasingly accepted, yet primary long-term ecological data remain hard to find. Barriers preventing open long-term ecological data include social and economic constructs such as a sense ...
  • Mixed-stock analysis of Atlantic herring (Clupea harengus): a tool for identifying management units and complex migration dynamics 

    Bekkevold, Dorte; Berg, Florian; Polte, Patrick; Bartolino, Valerio; Ojaveer, Henn; Mosegaard, Henrik; Farrell, Edward D.; Fedotova, Jelena; Hemmer-Hansen, Jakob; Huwer, Bastian; Trijoulet, Vanessa; Moesgaard Albertsen, Christoffer; Fuentes-Pardo, Angela P.; Gröhsler, Tomas; Pettersson, Mats; Jansen, Teunis; Folkvord, Arild; Andersson, Leif (Journal article; Peer reviewed, 2023)
    We developed and validated a mixed-stock analysis (MSA) method with 59 single-nucleotide polymorphisms selected from genome-wide data to assign individuals to populations in mixed-stock samples of Atlantic herring from the ...
  • Bioenergetics modelling of growth processes in parasitized Eastern Baltic cod (Gadus morhua L.) 

    Ryberg, Marie Plambech; Christensen, Asbjørn; Jørgensen, Christian; Neuenfeldt, Stefan; Skov, Peter V.; Behrens, Jane W. (Journal article; Peer reviewed, 2023)
    Changes in physiological processes can reveal how individuals respond to environmental stressors. It can be difficult to link physiological responses to changes in vital rates such as growth, reproduction and survival. ...
  • Evaluation of black soldier fly larvae meal as a functional feed ingredient in Atlantic salmon (Salmo salar) under farm-like conditions 

    Radhakrishnan, Gopika; Liland, Nina Sylvia; Koch, Marianne Wethe; Lock, Erik Jan Robert; Philip, Antony Jesu Prabhu; Belghit, Ikram (Journal article; Peer reviewed, 2023)
    Atlantic salmon (Salmo salar) were fed diets containing black soldier fly larvae (BSFL) meal at two inclusion levels for 13 months in open sea-cages. BSFL meal replaced plant-based ingredients and dietary insect meal ...
  • Pan-genome survey of the fish pathogen Yersinia ruckeri links accessory- and amplified genes to virulence 

    Riborg, Andreas Ekroll; Gulla, Snorre; Fiskebeck, Eve Marie Louise Zeyl; Ryder, David; Verner-Jeffreys, David W.; Colquhoun, Duncan John; Welch, Timothy J. (Journal article; Peer reviewed, 2023)
    While both virulent and putatively avirulent Yersinia ruckeri strains exist in aquaculture environments, the relationship between the distribution of virulence-associated factors and de facto pathogenicity in fish remains ...
  • Phylogeography and host specificity of Pasteurellaceae pathogenic to sea-farmed fish in the north-east Atlantic 

    Gulla, Snorre; Colquhoun, Duncan John; Olsen, Anne Berit; Spilsberg, Bjørn; Lagesen, Karin; Åkesson, Caroline Piercey; Strøm, Sverri; Manji, Farah; Birkbeck, T.H.; Nilsen, Hanne Katrine (Journal article; Peer reviewed, 2023)
    The present study was undertaken to address the recent spate of pasteurellosis outbreaks among sea-farmed Atlantic salmon (Salmo salar) in Norway and Scotland, coinciding with sporadic disease episodes in lumpfish (Cyclopterus ...
  • Nucleolar roles of the PI3K pathway in cancer and differentiation 

    Gavgani, Fatemeh Mazloumi (Doctoral thesis, 2017-12-18)
    The phosphoinositide 3-kinase (PI3K) pathway is essential for many cellular functions including; proliferation, cell survival, differentiation and metabolism. Although this pathway has been well studied in the cytoplasm, ...
  • Salmon lice as models for understanding life history evolution of parasites under intensive farming 

    Uglevik, Mathias Stølen (Doctoral thesis, 2017-06-20)
    Human activities are drastically changing ecological conditions for living organisms and this leads to evolutionary changes. One example is the appearance and spread of resistance against drugs and antibiotics, but we also ...
  • Light and visual foraging in the pelagic: Opportunities and constraints along gradients of seasonality 

    Langbehn, Tom (Doctoral thesis, 2019-04-30)
    Light has a twofold fundamental impact on marine ecosystems; it allows photosynthesis that is at the source of most marine food chains, but it also governs top-down control through visual foraging. Here, I focus on the ...
  • Evaluation of photodegradable chitin synthetase inhibitors for the treatment of salmon lice (Lepeophtheirus salmonis) 

    Sydnes, Magne Olav; Eikemo, Vebjørn; Espedal, Per Gunnar; Sydnes, Leiv K.; Nilsen, Frank (Journal article; Peer reviewed, 2023)
    Some photolabile ethanolamine analogues of the chitin synthetase inhibitors diflubenzuron, teflubenzuron, and lufenuron were tested for activity as anti-lice compounds towards salmon lice (Lepeophtheirus salmonis). Two ...
  • Integrative omics-analysis of lipid metabolism regulation by peroxisome proliferator-activated receptor a and b agonists in male Atlantic cod 

    Eide, Marta; Goksøyr, Anders; Yadetie, Fekadu; Gilabert, Alejandra; Bartosova, Zdenka; Frøysa, Håvard Guldbrandsen; Fallahi, Shirin; Zhang, Xiaokang; Blaser, Nello; Jonassen, Inge; Bruheim, Per; Alendal, Guttorm; Brun, Morten; Porte, Cinta; Karlsen, Odd André (Journal article; Peer reviewed, 2023-03-22)
    Lipid metabolism is essential in maintaining energy homeostasis in multicellular organisms. In vertebrates, the peroxisome proliferator-activated receptors (PPARs, NR1C) regulate the expression of many genes involved in ...
  • Model-informed classification of broadband acoustic backscatter from zooplankton in an in situ mesocosm 

    Dunn, Muriel Barbara; McGowan-Yallop, Chelsey; Pedersen, Geir; Falk-Petersen, Stig; Daase, Malin Hildegard Elisabeth; Last, Kim; Langbehn, Tom; Fielding, Sophie; Brierley, Andrew S.; Cottier, Finlo Robert; Basedow, Sünnje Linnéa; Camus, Lionel; Geoffroy, Maxime (Journal article; Peer reviewed, 2023)
    Classification of zooplankton to species with broadband echosounder data could increase the taxonomic resolution of acoustic surveys and reduce the dependence on net and trawl samples for ‘ground truthing’. Supervised ...

Vis flere