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S. Stefansson · SciRah

Researcher profile · Semantic Scholar

S. Stefansson

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S. Stefansson — researcher profile on SciRah

h-index: 60
Works: 188
Citations: 11K

Most-cited papers

The effect of temperature and fish size on growth, feed intake, food conversion efficiency and stomach evacuation rate of Atlantic salmon post-smolts
S. Handeland, A. Imsland, S. Stefansson
2008538 citations
Semantic Scholar
Differential expression of gill Na+,K+-ATPaseα - and β-subunits, Na+,K+,2Cl- cotransporter and CFTR anion channel in juvenile anadromous and landlocked Atlantic salmon Salmo salar
T. Nilsen, L. Ebbesson, S. Madsen, S. McCormick +4 more
2007Journal of Experimental Biology251 citations
Semantic Scholar
Leptin and leptin receptor genes in Atlantic salmon: Cloning, phylogeny, tissue distribution and expression correlated to long-term feeding status.
I. Rønnestad, T. Nilsen, K. Murashita, A. R. Angotzi +5 more
2010General and Comparative Endocrinology182 citations
Semantic Scholar
Characterization, tissue distribution, and regulation of agouti-related protein (AgRP), cocaine- and amphetamine-regulated transcript (CART) and neuropeptide Y (NPY) in Atlantic salmon (Salmo salar).
K. Murashita, T. Kurokawa, L. Ebbesson, S. Stefansson +1 more
2009General and Comparative Endocrinology130 citations
Semantic Scholar
A homologous salmonid leptin radioimmunoassay indicates elevated plasma leptin levels during fasting of rainbow trout.
P. Kling, I. Rønnestad, S. Stefansson, K. Murashita +2 more
2009General and Comparative Endocrinology122 citations
Semantic Scholar
Branchial expression patterns of claudin isoforms in Atlantic salmon during seawater acclimation and smoltification
S. Madsen, C. Tipsmark, P. Kiilerich, T. Nilsen +2 more
2008103 citations
Semantic Scholar
Short- and long-term differences in growth, feed conversion efficiency and deformities in juvenile Atlantic cod (Gadus morhua) startfed on rotifers or zooplankton
A. Imsland, A. Foss, Roland Koedijk, A. Folkvord +2 more
2006103 citations
Semantic Scholar
Branchial expression patterns of claudin isoforms in Atlantic salmon during seawater acclimation and smoltification.
C. Tipsmark, P. Kiilerich, T. Nilsen, L. Ebbesson +2 more
2008American Journal of Physiology. Regulatory Integrative and Comparative Physiology97 citations
Semantic Scholar
Compensatory growth and fillet crude composition in juvenile Atlantic halibut: Effects of short term starvation periods and subsequent feeding
A. Heide, A. Foss, S. Stefansson, I. Mayer +5 more
200694 citations
Semantic Scholar
Stocking density limits for post-smolt Atlantic salmon (Salmo salar L.) emphasis on production performance and welfare
Sara Calabrese, T. Nilsen, J. Kolarevic, L. Ebbesson +11 more
201790 citations Open access
Semantic Scholar
Molecular mechanisms of continuous light inhibition of Atlantic salmon parr-smolt transformation
S. Stefansson, T. Nilsen, L. Ebbesson, A. Wargelius +3 more
200790 citations
Semantic Scholar
Leptin reduces Atlantic salmon growth through the central pro-opiomelanocortin pathway.
K. Murashita, A. Jordal, T. Nilsen, S. Stefansson +4 more
2011Comparative biochemistry and physiology. Part A, Molecular & integrative physiology89 citations
Semantic Scholar
Effects of chronic and periodic exposure to ammonia on growth and blood physiology in juvenile turbot (Scophthalmus maximus)
A. Foss, A. Imsland, Bjørn Roth, E. Schram +1 more
200989 citations Open access
Semantic Scholar
Long-term separate and combined effects of environmental hypercapnia and hyperoxia in Atlantic salmon (Salmo salar L.) smolts
C. D. Hosfeld, A. Engevik, T. Mollan, T. Lunde +5 more
200885 citations
Semantic Scholar
Photoperiod and temperature effects on growth and maturation of pre- and post-smolt Atlantic salmon
A. Imsland, S. Handeland, S. Stefansson
2014Aquaculture International76 citations
Semantic Scholar
Performance and welfare of Atlantic salmon, Salmo salar L. post‐smolts in recirculating aquaculture systems: Importance of salinity and water velocity
T. Ytrestøyl, H. Takle, J. Kolarevic, Sara Calabrese +8 more
202073 citations Open access
Semantic Scholar
Effects of fish density on growth and smoltification in intensive production of Atlantic salmon (Salmo salar L.)
C. D. Hosfeld, J. Hammer, S. Handeland, S. Fivelstad +1 more
200973 citations
Semantic Scholar
The role of growth hormone in growth, lipid homeostasis, energy utilization and partitioning in rainbow trout: interactions with leptin, ghrelin and insulin-like growth factor I.
P. Kling, E. Jönsson, T. Nilsen, I. Einarsdóttir +3 more
2012General and Comparative Endocrinology65 citations
Semantic Scholar
Exposure to moderate acid water and aluminum reduces Atlantic salmon post-smolt survival
F. Kroglund, B. Finstad, S. Stefansson, T. Nilsen +4 more
200764 citations
Semantic Scholar
High fish density delays wound healing in Atlantic salmon (Salmo salar)
L. Sveen, Gerrit Timmerhaus, A. Krasnov, H. Takle +3 more
2018Scientific Reports60 citations Open access
Semantic Scholar
Development of intestinal ion-transporting mechanisms during smoltification and seawater acclimation in Atlantic salmon Salmo salar.
H. Sundh, T. Nilsen, Jennifer Lindström, L. Hasselberg-Frank +3 more
2014Journal of Fish Biology60 citations
Semantic Scholar
Compensatory growth in Atlantic halibut: Effect of starvation and subsequent feeding on growth, maturation, feed utilization and flesh quality
A. Foss, A. Imsland, Erik Vikingstad, S. Stefansson +4 more
200959 citations
Semantic Scholar
Impacts of elevated water carbon dioxide partial pressure at two temperatures on Atlantic salmon (Salmo salar L.) parr growth and haematology
S. Fivelstad, R. Waagbø, S. Stefansson, A. Olsen
200759 citations
Semantic Scholar
Influence of sea temperature and initial marine feeding on survival of Atlantic salmon Salmo salar post-smolts from the Rivers Orkla and Hals, Norway.
N. A. Hvidsten, A. Jensen, A. Rikardsen, B. Finstad +4 more
2009Journal of Fish Biology58 citations
Semantic Scholar
Impact of fish density and specific water flow on skin properties in Atlantic salmon (Salmo salar L.) post-smolts
L. Sveen, Gerrit Timmerhaus, J. Torgersen, E. Ytteborg +8 more
201656 citations Open access
Semantic Scholar
Interactive effects of ammonia and oxygen on growth and physiological status of juvenile Atlantic cod (Gadus morhua)
M. Remen, A. Imsland, S. Stefansson, T. M. Jonassen +1 more
200856 citations
Semantic Scholar
Daily endocrine profiles in parr and smolt Atlantic salmon.
L. Ebbesson, B. Björnsson, P. Ekström, S. Stefansson
2008Comparative biochemistry and physiology. Part A, Molecular & integrative physiology54 citations
Semantic Scholar
Growth, osmoregulation and endocrine changes in wild Atlantic salmon smolts and post-smolts during marine migration
S. Stefansson, M. Haugland, B. Björnsson, S. McCormick +4 more
201253 citations
Semantic Scholar
Molecular cloning and genomic characterization of novel leptin-like genes in salmonids provide new insight into the evolution of the Leptin gene family.
A. R. Angotzi, S. Stefansson, T. Nilsen, R. Rathore +1 more
2013General and Comparative Endocrinology52 citations
Semantic Scholar
Interactive effects of oxygen saturation and ammonia on growth and blood physiology in juvenile turbot
A. Foss, A. Imsland, Bjørn Roth, E. Schram +1 more
200751 citations Open access
Semantic Scholar
Persistent growth effects of temperature and photoperiod in Atlantic cod Gadus morhua
A. Imsland, A. Foss, R. Koedijk, A. Folkvord +2 more
200750 citations
Semantic Scholar
The influence of first-feeding diet on the Atlantic cod Gadus morhua phenotype: survival, development and long-term consequences for growth.
R. Koedijk, A. Folkvord, A. Foss, K. Pittman +3 more
2010Journal of Fish Biology48 citations
Semantic Scholar
Differential expression of gill Na+,K+-ATPase alpha- and beta-subunits, Na+,K+,2Cl- cotransporter and CFTR anion channel in juvenile anadromous and landlocked Atlantic salmon Salmo salar.
T. Nilsen, L. Ebbesson, S. Madsen, S. McCormick +4 more
2007Journal of Experimental Biology48 citations
Semantic Scholar
Long-term effects of photoperiod, temperature and their interaction on growth, gill Na⁺, K⁺-ATPase activity, seawater tolerance and plasma growth-hormone levels in Atlantic salmon Salmo salar.
S. Handeland, A. Imsland, B. Björnsson, S. Stefansson
2013Journal of Fish Biology47 citations
Semantic Scholar
Temperature and salinity effects on plasma insulin-like growth factor-I concentrations and growth in juvenile turbot (Scophthalmus maximus)
A. Imsland, B. Björnsson, Snorri Gunnarsson, A. Foss +1 more
200746 citations
Semantic Scholar
Salmon lice or suboptimal water quality : Reasons for reduced postsmolt survival?
B. Finstad, F. Kroglund, R. Strand, S. Stefansson +4 more
200746 citations
Semantic Scholar
Effects of acidic water and aluminum exposure on gill Na(+), K(+)-ATPase alpha-subunit isoforms, enzyme activity, physiology and return rates in Atlantic salmon (Salmo salar L.).
T. Nilsen, L. Ebbesson, Ole G Kverneland, F. Kroglund +2 more
2010Aquatic Toxicology45 citations
Semantic Scholar
Roles of leptin and ghrelin in adipogenesis and lipid metabolism of rainbow trout adipocytes in vitro.
C. Salmerón, Marcus Johansson, M. Asaad, A. R. Angotzi +7 more
2015Comparative biochemistry and physiology. Part A, Molecular & integrative physiology42 citations
Semantic Scholar
Corticotropin‐Releasing Factor Neurogenesis during Midlife Development in Salmon: Genetic, Environmental and Thyroid Hormone Regulation
L. Ebbesson, T. Nilsen, J. V. Helvik, V. Tronci +1 more
2011Journal of neuroendocrinology41 citations
Semantic Scholar
Aluminum exposure impacts brain plasticity and behavior in Atlantic salmon (Salmo salar)
Cairsty Grassie, Victoria A. Braithwaite, Jonatan Nilsson, T. Nilsen +7 more
2013Journal of Experimental Biology40 citations Open access
Semantic Scholar
The combined effects of temperature and GnRHa treatment on the final stages of sexual maturation in Atlantic salmon (Salmo salar L.) females
Erik Vikingstad, E. Andersson, B. Norberg, I. Mayer +4 more
2008Fish Physiology & Biochemistry40 citations
Semantic Scholar
Effects of temperature on the final stages of sexual maturation in Atlantic salmon (Salmo salar L.)
Erik Vikingstad, E. Andersson, T. Hansen, B. Norberg +4 more
2015Fish Physiology & Biochemistry38 citations
Semantic Scholar
Food-deprivation, compensatory growth and hydro-mineral balance in Atlantic salmon (Salmo salar) post-smolts in sea water.
S. Stefansson, A. Imsland, S. Handeland
200933 citations
Semantic Scholar
Exposure to continuous light disrupts retinal innervation of the preoptic nucleus during parr-smolt transformation in Atlantic salmon
L. Ebbesson, S. Ebbesson, T. Nilsen, S. Stefansson +1 more
200733 citations
Semantic Scholar
Osmoregulation in Atlantic salmon Salmo salar smolts transferred to seawater at different temperatures.
S. Handeland, A. Imsland, T. Nilsen, L. Ebbesson +4 more
2014Journal of Fish Biology30 citations
Semantic Scholar
Atlantic salmon (Salmo salar L.) post-smolts challenged two or nine weeks after seawater-transfer show differences in their susceptibility to salmonid alphavirus subtype 3 (SAV3)
J. Jarungsriapisit, L. Moore, G. Taranger, T. Nilsen +6 more
2016Virology Journal28 citations Open access
Semantic Scholar
Improving sea lice grazing of lumpfish (Cyclopterus lumpus L.) by feeding live feeds prior to transfer to Atlantic salmon (Salmo salar L.) net-pens
A. Imsland, Nina Frogg, S. Stefansson, P. Reynolds
2019Aquaculture26 citations
Semantic Scholar
The effect of continuous light and compressed photoperiods on growth and maturation in lumpfish Cyclopterus lumpus
A. Imsland, T. M. Jonassen, T. A. Hangstad, S. Stefansson +5 more
201826 citations
Semantic Scholar
Relationship between viral dose and outcome of infection in Atlantic salmon, Salmo salar L., post-smolts bath-challenged with salmonid alphavirus subtype 3
J. Jarungsriapisit, L. Moore, S. Mæhle, C. Skår +6 more
2016Veterinary Research25 citations Open access
Semantic Scholar
Ontogenetic effects of diet during early development on growth performance, myosin mRNA expression and metabolic enzyme activity in Atlantic cod juveniles reared at different salinities.
R. Koedijk, N. L. Le François, P. Blier, A. Foss +5 more
2010Comparative biochemistry and physiology. Part A, Molecular & integrative physiology24 citations
Semantic Scholar

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