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1

Endocrine systems in juvenile anadromous and landlocked Atlantic salmon (Salmo salar): Seasonal development and seawater acclimation

Tom O. Nilsen, Lars O.E. Ebbesson, Pia Kiilerich, Björn Th. Björnsson, Steffen S. Madsen, Stephen D. McCormick, Sigurd O. Stefansson

Journal:

General and Comparative Endocrinology

Year:

2008

Language:

english

File:

PDF, 243 KB

english, 2008

2

Molecular mechanisms of continuous light inhibition of Atlantic salmon parr–smolt transformation

Sigurd O. Stefansson, Tom O. Nilsen, Lars O.E. Ebbesson, Anna Wargelius, Steffen S. Madsen, Björn Th. Björnsson, Stephen D. McCormick

Journal:

Year:

2007

Language:

english

File:

PDF, 714 KB

english, 2007

3

Abrupt changes in photoperiod affect age at maturity, timing of ovulation and plasma testosterone and oestradiol-17β profiles in Atlantic salmon, Salmo salar

Geir Lasse Taranger, Carl Haux, Sigurd O Stefansson, Björn Thrandur Björnsson, Bernt Th Walther, Tom Hansen

Journal:

Year:

1998

Language:

english

File:

PDF, 268 KB

english, 1998

4

The hydraulic roughness of unlined and shotcreted TBM-bored tunnels in volcanic rock: In situ observations and measurements at Kárahnjúkar Iceland

Kristín Martha Hákonardóttir, Gunnar Guðni Tómasson, Joe Kaelin, Björn Stefánsson

Journal:

Tunnelling and Underground Space Technology

Year:

2009

Language:

english

File:

PDF, 1.09 MB

english, 2009

5

The Interrelation between Photoperiod, Growth Hormone, and Sexual Maturation of Adult Atlantic Salmon (Salmo salar)

Björn Th. Björnsson, Geir L. Taranger, Tom Hansen, Sigurd O. Stefansson, Carl Haux

Journal:

General and Comparative Endocrinology

Year:

1994

File:

PDF, 450 KB

1994

6

Mechanisms underlying photoperiodic effects on age at sexual maturity in Atlantic salmon, Salmo salar

Geir Lasse Taranger, Carl Haux, Tom Hansen, Sigurd O Stefansson, Björn Thrandur Björnsson, Bernt Th Walther, Harald Kryvi

Journal:

Year:

1999

Language:

english

File:

PDF, 988 KB

english, 1999

7

Introduction to the 8th International Workshop on Smoltification and a synthesis of major findings

Schreck, Carl B., McCormick, Steven D., Björnsson, Björn Thrandur, Stefansson, Sigurd O., Ueda, Hiroshi

Journal:

Year:

2012

Language:

english

File:

PDF, 757 KB

english, 2012

8

The effect of continuous light at low temperatures on growth in Atlantic salmon reared in commercial size sea pens

Imsland, Albert Kjartan Dagbjartarson, Roth, Bjorn, Fjelldal, Per Gunnar, Stefansson, Sigurd O., Handeland, Sigurd, Mikalsen, Bjørn

Journal:

Year:

2017

Language:

english

File:

PDF, 648 KB

english, 2017

9

Borda's method applied — the right to make a proposal

Björn S. Stefansson

Journal:

Quality & Quantity

Year:

1991

Language:

english

File:

PDF, 278 KB

english, 1991

10

Free plasma thyroxine levels in coho salmon, Oncorhynchus kisutch, during parr-smolt transformation: comparison with total thyroxine, total triiodothyronine, and growth hormone levels

Lars O.E. Ebbesson, Björn Th. Björnsson, Sigurd O. Stefansson, Peter Ekström

Journal:

Fish Physiology and Biochemistry

Year:

2000

Language:

english

File:

PDF, 70 KB

english, 2000

11

Daily endocrine profiles in parr and smolt Atlantic salmon

Lars O.E. Ebbesson, Björn Th. Björnsson, Peter Ekström, Sigurd O. Stefansson

Journal:

Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology

Year:

2008

Language:

english

File:

PDF, 824 KB

english, 2008

12

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

Peter Kling, Elisabeth Jönsson, Tom Ole Nilsen, Ingibjörg Eir Einarsdottir, Ivar Rønnestad, Sigurd O. Stefansson, Björn Thrandur Björnsson

Journal:

General and Comparative Endocrinology

Year:

2012

Language:

english

File:

PDF, 676 KB

english, 2012

13

Compensatory growth and fillet crude composition in juvenile Atlantic halibut: Effects of short term starvation periods and subsequent feeding

Andreas Heide, Atle Foss, Sigurd O. Stefansson, Ian Mayer, Birgitta Norberg, Bjørn Roth, Mads D. Jenssen, Ragnar Nortvedt, Albert K. Imsland

Journal:

Year:

2006

Language:

english

File:

PDF, 730 KB

english, 2006

14

The importance of smolt development to salmon conservation, culture, and management: perspectives from the 6th International Workshop on Salmonid Smoltification

Sigurd O. Stefansson, Philip McGinnity, Björn Thrandur Björnsson, Carl B. Schreck, Stephen D. McCormick

Journal:

Year:

2003

Language:

english

File:

PDF, 120 KB

english, 2003

15

Osmoregulation, feed intake, growth and growth hormone levels in 0+ Atlantic salmon (Salmo salar L.) transferred to seawater at different stages of smolt development

Arne M. Arnesen, Hilde Toften, Thorleifur Agustsson, Sigurd O. Stefansson, Sigurd O. Handeland, Björn Thrandur Björnsson

Journal:

Year:

2003

Language:

english

File:

PDF, 325 KB

english, 2003

16

Circulating growth hormone levels in Atlantic salmon smolts following seawater transfer: effects of photoperiod regime, salinity, duration of exposure and season

Björn Thrandur Björnsson, Gudmundur Valur Stefansson, Åse I Berge‡, Tom Hansen, Sigurd O Stefansson

Journal:

Year:

1998

Language:

english

File:

PDF, 121 KB

english, 1998

17

Growth, osmoregulation and endocrine changes in wild Atlantic salmon smolts and post-smolts during marine migration

Stefansson, Sigurd O., Haugland, Monika, Björnsson, Björn Thrandur, McCormick, Stephen D., Holm, Marianne, Ebbesson, Lars O.E., Holst, Jens Chr., Nilsen, Tom O.

Journal:

Year:

2012

Language:

english

File:

PDF, 964 KB

english, 2012

18

Growth, Parr–Smolt Transformation, and Changes in Growth Hormone of Atlantic Salmon ( Salmo salar ) Reared under Different Photoperiods

Stefansson, Sigurd O., Bjömsson, Björn Th., Hansen, Tom, Haux, Carl, Taranger, G. Lasse, Saunders, Richard L.

Journal:

Canadian Journal of Fisheries and Aquatic Sciences

Year:

1991

Language:

english

File:

PDF, 1.03 MB

english, 1991

19

The effect of low temperatures and photoperiods on growth and vertebra morphometry in Atlantic salmon

Døskeland, Inge, Imsland, Albert Kjartan D., Fjelldal, Per Gunnar, Stefansson, Sigurd O., Roth, Bjorn, Eriksen, Katrine Eikeland, Mikalsen, Bjørn, Handeland, Sigurd

Journal:

Aquaculture International

Year:

2016

Language:

english

File:

PDF, 718 KB

english, 2016

20

High-level production and optimization of monodispersity of 11β-hydroxysteroid dehydrogenase type 1

Björn Elleby, Stefan Svensson, Xiaoqiu Wu, Karin Stefansson, Joakim Nilsson, Dan Hallén, Udo Oppermann, Lars Abrahmsén

Journal:

Biochimica et Biophysica Acta (BBA) - Proteins and Proteomics

Year:

2004

Language:

english

File:

PDF, 234 KB

english, 2004

21

On irrelevant and infeasible alternatives

Björn S. Stefansson

Journal:

Quality & Quantity

Year:

1991

Language:

english

File:

PDF, 548 KB

english, 1991

22

Mathematical aggregation of preferences

Björn S. Stefánsson

Journal:

Quality & Quantity

Year:

1974

Language:

english

File:

PDF, 1.25 MB

english, 1974

23

Abstracts

Leszek Nowak, Björn S. Stefánsson, Anthony P. M. Coxon, Charles L. Jones, Hannu Nurmi, Charles A. Ibsen, John A. Ballweg

Journal:

Quality & Quantity

Year:

1974

Language:

english

File:

PDF, 120 KB

english, 1974

24

Group choice between three or more alternatives

Björn S. Stefánsson

Journal:

Quality & Quantity

Year:

1982

Language:

english

File:

PDF, 1.24 MB

english, 1982

25

On the fundamental thought behind voting rules

Björn S. Stefánsson

Journal:

Quality & Quantity

Year:

1995

Language:

english

File:

PDF, 376 KB

english, 1995

26

Growth, feed conversion efficiency and growth heterogeneity in Atlantic halibut (Hippoglossus hippoglossus) reared at three different photoperiods

Albert K Imsland, Atle Foss, Sigurd O Stefansson, Ian Mayer, Birgitta Norberg, Bjørn Roth, Mads D Jenssen

Journal:

Aquaculture Research

Year:

2006

Language:

english

File:

PDF, 164 KB

english, 2006

27

Long-term effect of photoperiod manipulation on growth, maturation and flesh quality in Atlantic halibut

Albert K Imsland, Bjørn Roth, Atle Foss, Erik Vikingstad, Sigurd O Stefansson, Skjalg Pedersen, Trond Sandvik, Birgitta Norberg

Journal:

Aquaculture Research

Year:

2009

Language:

english

File:

PDF, 439 KB

english, 2009

28

Comparisons of RNA/DNA Ratios, Growth, and Metabolism in Different Populations of Juvenile Turbot Scophthalmus maximus Reared at Four Temperatures

Albert K. Imsland, Atle Foss, Bjørn Sveinsbø, Thor M. Jonassen, Sigurd O. Stefansson

Journal:

Journal of the World Aquaculture Society

Year:

2001

Language:

english

File:

PDF, 728 KB

english, 2001

29

Photoperiod Regulation of Plasma Growth Hormone Levels during Parr-Smolt Transformation of Atlantic Salmon: Implications for Hypoosmoregulatory Ability and Growth

Björn Th. Björnsson, Sigurd O. Stefansson, Tom Hansen

Journal:

General and Comparative Endocrinology

Year:

1995

File:

PDF, 366 KB

1995

30

Plasma insulin-like growth factor-I concentrations and growth in juvenile halibut (Hippoglossus hippoglossus): Effects of photoperiods and feeding regimes

Albert K. Imsland, Atle Foss, Bjørn Roth, Sigurd O. Stefansson, Erik Vikingstad, Skjalg Pedersen, Trond Sandvik, Birgitta Norberg

Journal:

Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology

Year:

2008

Language:

english

File:

PDF, 559 KB

english, 2008

31

Leptin reduces Atlantic salmon growth through the central pro-opiomelanocortin pathway

Koji Murashita, Ann-Elise Olderbakk Jordal, Tom Ole Nilsen, Sigurd Olav Stefansson, Tadahide Kurokawa, Björn Thrandur Björnsson, Anne-Grethe Gamst Moen, Ivar Rønnestad

Journal:

Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology

Year:

2011

Language:

english

File:

PDF, 1.42 MB

english, 2011

32

A homologous salmonid leptin radioimmunoassay indicates elevated plasma leptin levels during fasting of rainbow trout

Peter Kling, Ivar Rønnestad, Sigurd O. Stefansson, Koji Murashita, Tadahide Kurokawa, Björn Thrandur Björnsson

Journal:

General and Comparative Endocrinology

Year:

2009

Language:

english

File:

PDF, 290 KB

english, 2009

33

Leptin and leptin receptor genes in Atlantic salmon: Cloning, phylogeny, tissue distribution and expression correlated to long-term feeding status

Ivar Rønnestad, Tom Ole Nilsen, Koji Murashita, Anna Rita Angotzi, Anne-Grethe Gamst Moen, Sigurd O. Stefansson, Peter Kling, Björn Thrandur Björnsson, Tadahide Kurokawa

Journal:

General and Comparative Endocrinology

Year:

2010

Language:

english

File:

PDF, 2.81 MB

english, 2010

34

Environmental endocrinology of salmon smoltification

Björn Thrandur Björnsson, Sigurd O. Stefansson, Stephen D. McCormick

Journal:

General and Comparative Endocrinology

Year:

2011

Language:

english

File:

PDF, 260 KB

english, 2011

35

Environment affects stress in exercised turbot

Erich H. Van Ham, Rogier D. Van Anholt, Guus Kruitwagen, Albert K. Imsland, Atle Foss, Bjørn O. Sveinsbø, Richard FitzGerald, Alkistis C. Parpoura, Sigurd O. Stefansson, Sjoerd E. Wendelaar Bonga

Journal:

Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology

Year:

2003

Language:

english

File:

PDF, 258 KB

english, 2003

36

Temperature and salinity effects on plasma insulin-like growth factor-I concentrations and growth in juvenile turbot (Scophthalmus maximus)

Albert K. Imsland, Björn Thrandur Björnsson, Snorri Gunnarsson, Atle Foss, Sigurd O. Stefansson

Journal:

Year:

2007

Language:

english

File:

PDF, 485 KB

english, 2007

37

Interactive effects of oxygen saturation and ammonia on growth and blood physiology in juvenile turbot

Atle Foss, Albert K. Imsland, Bjørn Roth, Edward Schram, Sigurd O. Stefansson

Journal:

Year:

2007

Language:

english

File:

PDF, 698 KB

english, 2007

38

Salmon lice or suboptimal water quality — Reasons for reduced postsmolt survival?

B. Finstad, F. Kroglund, R. Strand, S.O. Stefansson, P.A. Bjørn, B.O. Rosseland, T.O. Nilsen, B. Salbu

Journal:

Year:

2007

Language:

english

File:

PDF, 367 KB

english, 2007

39

Compensatory growth in Atlantic halibut: Effect of starvation and subsequent feeding on growth, maturation, feed utilization and flesh quality

Atle Foss, Albert K. Imsland, Erik Vikingstad, Sigurd O. Stefansson, Birgitta Norberg, Skjalg Pedersen, Trond Sandvik, Bjørn Roth

Journal:

Year:

2009

Language:

english

File:

PDF, 573 KB

english, 2009

40

Effects of chronic and periodic exposure to ammonia on growth and blood physiology in juvenile turbot (Scophthalmus maximus)

Atle Foss, Albert K. Imsland, Bjørn Roth, Edward Schram, Sigurd O. Stefansson

Journal:

Year:

2009

Language:

english

File:

PDF, 268 KB

english, 2009

41

Exploring the actions of leptin in fish

Ivar Rønnestad, Tom Ole Nilsen, Sigurd Stefansson, Björn Thrandur Björnsson, Tadahide Kurokawa

Journal:

Comparative Biochemistry and Physiology Part C: Toxicology & Pharmacology

Year:

2008

Language:

english

File:

PDF, 55 KB

english, 2008

42

Osmoregulation and growth in a wild and a selected strain of Atlantic salmon smolts on two photoperiod regimes

Sigurd O. Handeland, Mark Porter, Björn Thrandur Björnsson, Sigurd O. Stefansson

Journal:

Year:

2003

Language:

english

File:

PDF, 327 KB

english, 2003

43

Are ethics rules too strict in retrospective clinical studies?

Einar Stefánsson, Ólöf Ýrr Atladóttir, Björn Guðbjörnsson

Journal:

Acta Ophthalmologica (Blackwell)

Year:

2008

Language:

english

File:

PDF, 112 KB

english, 2008

44

[IEEE Energy Society General Meeting - Pittsburgh, PA, USA (2008.07.20-2008.07.24)] 2008 IEEE Power and Energy Society General Meeting - Conversion and Delivery of Electrical Energy in the 21st Century - Iceland deep drilling project, exploration of supercritical geothermal resources

Stefansson, Bjorn, Palsson, Bjarni, Fridleifsson, Gudmundur Omar

Year:

2008

Language:

english

File:

PDF, 456 KB

english, 2008

45

Salmon lice-induced mortality of Atlantic salmon postsmolts experiencing episodic acidification and recovery in freshwater

Finstad, B., Kroglund, F., Bjørn, P.A., Nilsen, R., Pettersen, K., Rosseland, B.O., Teien, H.-C., Nilsen, T.O., Stefansson, S.O., Salbu, B., Fiske, P., Ebbesson, L.O.E.

Journal:

Year:

2012

Language:

english

File:

PDF, 687 KB

english, 2012

46

Recovery of Atlantic salmon smolts following aluminum exposure defined by changes in blood physiology and seawater tolerance

Kroglund, F., Finstad, B., Pettersen, K., Teien, H.-C., Salbu, B., Rosseland, B.O., Nilsen, T.O., Stefansson, S., Ebbesson, L.O.E., Nilsen, R., Bjørn, P.A., Kristensen, T.

Journal:

Year:

2012

Language:

english

File:

PDF, 469 KB

english, 2012

47

Roles of leptin and ghrelin in adipogenesis and lipid metabolism of rainbow trout adipocytes in vitro

Salmerón, Cristina, Johansson, Marcus, Asaad, Maryam, Angotzi, Anna R., Rønnestad, Ivar, Stefansson, Sigurd O., Jönsson, Elisabeth, Björnsson, Björn Thrandur, Gutiérrez, Joaquim, Navarro, Isabel, Capi

Journal:

Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology

Year:

2015

Language:

english

File:

PDF, 514 KB

english, 2015

48

Axl Is an Essential Epithelial-to-Mesenchymal Transition-Induced Regulator of Breast Cancer Metastasis and Patient Survival

Christine Gjerdrum, Crina Tiron, Torill Høiby, Ingunn Stefansson, Hallvard Haugen, Tone Sandal, Karin Collett, Shan Li, Emmet McCormack, Bjørn Tore Gjertsen, David R. Micklem, Lars A. Akslen, Carlotta

Journal:

Proceedings of the National Academy of Sciences

Year:

2010

Language:

english

File:

PDF, 1.74 MB

english, 2010

49

[IEEE 2015 2nd International Conference on Signal Processing and Integrated Networks (SPIN) - Noida, Delhi-NCR, India (2015.2.19-2015.2.20)] 2015 2nd International Conference on Signal Processing and Integrated Networks (SPIN) - Using range information to reduce local descriptor computations: A case study

Stefansson, Stefan Freyr, Jonsson, Bjorn Tor

Year:

2015

Language:

english

File:

PDF, 432 KB

english, 2015

50

Prediabetes and Risk of Glomerular Hyperfiltration and Albuminuria in the General Nondiabetic Population: A Prospective Cohort Study

Melsom, Toralf, Schei, Jørgen, Stefansson, Vidar Tor Nyborg, Solbu, Marit Dahl, Jenssen, Trond Geir, Mathisen, Ulla Dorte, Wilsgaard, Tom, Eriksen, Bjørn Odvar

Journal:

American Journal of Kidney Diseases

Year:

2015

Language:

english

File:

PDF, 399 KB

english, 2015