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Adaptive photoperiod interpretation modulates phenological timing in Atlantic salmon
(Peer reviewed; Journal article, 2023)Photoperiod, the portion of 24-h cycle during which an organism is exposed to illumination, is an important phenological cue in many animals. However, despite its influence on critical biological processes, there remain ... -
Adding fish waste to the diet of Iceland scallop Chlamys islandica: effects on feeding and reproductive ability
(Peer reviewed; Journal article, 2023)Organic enrichment from fish farming may impact benthic species and habitats in adjacent areas. Norwegian salmon farming is continuously growing, but, due to area conflicts and severe sea-lice problems in the western areas, ... -
Additive effects of enhanced ambient ultraviolet B radiation and increased temperature on immune function, growth and physiological condition of juvenile (parr) Atlantic Salmon, Salmo salar
(Journal article; Peer reviewed, 2010-09-29)Climate change models predict increased ultraviolet B (UVB) radiation levels due to stratospheric ozone depletion and global warming. In order to study the impact of these two environmental stressors acting simultaneously ... -
Additive Models Reveal Sources of Metals and Organic Pollutants in Norwegian Marine Sediments
(Peer reviewed; Journal article, 2017) -
Addressing class imbalance in deep learning for acoustic target classification
(Peer reviewed; Journal article, 2023)Acoustic surveys provide important data for fisheries management. During the surveys, ship-mounted echo sounders send acoustic signals into the water and measure the strength of the reflection, so-called backscatter. ... -
Adipose MDM2 regulates systemic insulin sensitivity
(Peer reviewed; Journal article, 2021)The intimate association between obesity and type II diabetes urges for a deeper understanding of adipocyte function. We and others have previously delineated a role for the tumor suppressor p53 in adipocyte biology. Here, ... -
Adult body growth and reproductive investment vary markedly within and across Atlantic and Pacific herring: a meta-analysis and review of 26 stocks
(Peer reviewed; Journal article, 2021)Life-history traits of Pacific (Clupea pallasii) and Atlantic (Clupea harengus) herring, comprising both local and oceanic stocks subdivided into summer-autumn and spring spawners, were extensively reviewed. The main ... -
Adult recaptures of farmed Atlantic salmon post-smolts allowed to escape during summer
(Journal article; Peer reviewed, 2010-12-21)The influence of time of escape on survival to adulthood was tested in farmed Atlantic salmon Salmo salar smolt and post-smolts. Escape events were simulated in a small fjord in western Norway during and after the natural ... -
Advancing Citizen Science for Coastal and Ocean Research
(European Marine Board IVZW;, Research report, 2017)Executive Summary Citizen Science is an approach which involves members of the public in gathering scientific data and, in more advanced cases, also involves them in the analysis of such data and in the design of scientific ... -
Aerial photogrammetry and tag-derived tissue density reveal patterns of lipid-store body condition of humpback whales on their feeding grounds
(Peer reviewed; Journal article, 2021)Monitoring the body condition of free-ranging marine mammals at different life-history stages is essential to understand their ecology as they must accumulate sufficient energy reserves for survival and reproduction. ... -
Age class composition and growth of Atlantic cod (Gadus morhua) in the shallow water zone of Kongsfjorden, Svalbard
(Peer reviewed; Journal article, 2022)Although Atlantic cod has been observed in Svalbard waters since the 1880s, knowledge about the presence in the Arctic shallow water zone is limited. The regular catch of juvenile Atlantic cod in Kongsfjorden since 2008 ... -
Age determination of Atlantic halibut (Hippoglossus hippoglossus L.) along the coast of Norway: status, and improvements
(Journal article; Peer reviewed, 2012-11-15)This study re-evaluates the current ageing methodology for the Atlantic halibut, Hippoglossus hippoglossus. The traditional method is through surface readings of otoliths, but, based on new experiments with different ... -
Age determination of Northeast Atlantic Sebastes species
(Journal article; Peer reviewed, 1990)Uncertainty exists concerning the validity of age determination methods for redfish species owing to the various procedures in use. North American scientists routinely use otoliths, whilst European scientists have preferred ... -
Age of European silver eels during a period of declining abundance in Norway
(Peer reviewed; Journal article, 2020)The European eel (Anguilla anguilla) is critically endangered throughout its range. Knowledge about age distribution of future spawners (silver eels) is essential to monitor the status and contribute to the recovery of ... -
Age of European silver eels during a period of declining abundance in Norway
(Peer reviewed; Journal article, 2020)The European eel (Anguilla anguilla) is critically endangered throughout its range. Knowledge about age distribution of future spawners (silver eels) is essential to monitor the status and contribute to the recovery of ... -
Age prediction by deep learning applied to Greenland halibut (Reinhardtius hippoglossoides) otolith images
(Peer reviewed; Journal article, 2022)Otoliths (ear-stones) in the inner ears of vertebrates containing visible year zones are used extensively to determine fish age. Analysis of otoliths is a time-consuming and difficult task that requires the education of ... -
Age, growth, and mortality of the myctophid fish, Benthosema glaciale (Reinhardt), from western Norway
(Journal article; Peer reviewed, 1973-05-18)Age and growth of Benthosema glaciale collected by midwater trawl in western Norway have been studied. Otoliths were used for age determination. The mean annual mortality in age groups I to IV was 52%. Older specimens were ... -
Age-dependent patterns of spatial autocorrelation in fish populations
(Peer reviewed; Journal article, 2021)The degree of spatial autocorrelation in population fluctuations increases with dispersal and geographical covariation in the environment, and decreases with strength of density dependence. Because the effects of these ... -
Agonistic and potentiating effects of perfluoroalkyl substances (PFAS) on the Atlantic cod (Gadus morhua) peroxisome proliferator-activated receptors (Ppars)
(Peer reviewed; Journal article, 2022)Toxicity mediated by per- and polyfluoroalkyl substances (PFAS), and especially perfluoroalkyl acids (PFAAs), has been linked to activation of peroxisome proliferator-activated receptors (Ppar) in many vertebrates. Here, ... -
Air-dried stockfish of Northeast Arctic cod do not carry viable anisakid nematodes
(Peer reviewed; Journal article, 2020)A total of 80 stockfish fillets of Northeast Arctic cod (Gadus morhua), traditionally open-air-dried in northern Norway, was examined for the presence and viability of larval parasitic nematodes of the family Anisakidae. ...