John Fleng Steffensen

John Fleng Steffensen

Professor


  1. 2006
  2. Published

    Polarfisks fysiologiske tilpasninger

    Jordan, Anders Drud & Steffensen, John Fleng, 2006, Arktisk Station 1906 - 2006.: Et centrum for forskning. 1. ed. Danmark: Forlaget Rhodos, p. 286-291.

    Research output: Chapter in Book/Report/Conference proceedingBook chapterCommunication

  3. Published

    Swimming energetics of the Barents Sea capelin (Mallotur villosus) during the spawning migration period

    Behrens, J. W., Præbel, K. & Steffensen, John Fleng, 2006, In: Journal of Experimental Marine Biology and Ecology. 2, 331, p. 208-216

    Research output: Contribution to journalJournal articlepeer-review

  4. Published

    The behavioural and physiological response of Atlantic cod Gadus morhua L. to short-term acute hypoxia

    Johansen, J. L., Herbert, N. A. & Steffensen, John Fleng, 2006, In: Journal of Fish Biology. 68, 6, p. 1918-1924 7 p.

    Research output: Contribution to journalJournal articlepeer-review

  5. Published

    The effect of external dummy transmitters on oxygen consumption and performance of swimming Atlantic cod

    Steinhausen, M. F., Andersen, N. G. & Steffensen, John Fleng, 2006, In: Journal of Fish Biology. 69, p. 951-956

    Research output: Contribution to journalJournal articlepeer-review

  6. Published

    Whole blood-oxygen binding properties of four cold-temperate marine fishes: blood affinity is independent of pH-dependent binding, routine swimming performance, and environmental hypoxia.

    Herbert, N. A., Skov, P. V., Wells, R. M. G. & Steffensen, John Fleng, 2006, In: Physiological and Biochemical Zoology. 79, 5, p. 909-18 9 p.

    Research output: Contribution to journalJournal articlepeer-review

  7. 2005
  8. Published

    Comparison of metabolic rate during forced and spontaneous activity of seabream (Sparus aurata)

    Steinhausen, M. F. & Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S213

    Research output: Contribution to journalConference abstract in journal

  9. Published

    Does temperature preference relate to the anaerobic capacity of Atlantic cod (Gadus morhua L.) with different haemoglobin phenotype?

    Jordan, Anders Drud, Steinhausen, M. F., Herbert, N. A., Grisdale-Helland, B., Helland, S. J. & Steffensen, John Fleng, 2005, In: Marine Biology Research. 1, 6, p. 411-416

    Research output: Contribution to journalJournal articlepeer-review

  10. Published

    Effects of Environmental Hypoxia. In: Modeling Nutrient Loads and Response in River and Estuary Systems

    Steffensen, John Fleng & Randall, D., 2005, NATO/CCMS Pilot Study. 271 ed. p. 32-37

    Research output: Chapter in Book/Report/Conference proceedingReport chapterResearch

  11. Published

    Oxygen conditions in fish schools

    Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S167

    Research output: Contribution to journalConference abstract in journal

  12. Published

    Physiology and behaviour of Atlantic cod (Gadus morhua) with different haemoglobin genotypes: the effect of hypoxia

    Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S99

    Research output: Contribution to journalConference abstract in journal

  13. Published

    Respiratory Systems and Metabolic Rates.

    Steffensen, John Fleng, 2005, The Physiology of Polar Fishes. Farrell, A. & Steffesen, J. (eds.). 22 ed. Academic Press, p. 203-238 (Fish Physiology).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

  14. Published

    Specific dynamic action in Gadus morhua under normoxia and moderate strong hypoxia

    Jordan, A. D. & Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S213

    Research output: Contribution to journalConference abstract in journal

  15. Published

    Tail beat frequency as a predictor of swimming speed and oxygen consumption of saithe (Pollachius virens) and whiting (Merlangius merlangus) during forced swimming.

    Steinhausen, M. F., Steffensen, John Fleng & Andersen, N. G., 2005, In: Marine Biology. 148, p. 197-204

    Research output: Contribution to journalJournal articlepeer-review

  16. Published

    The Arctic and Antarctic Polar Marine Environments

    DeVries, A. L. & Steffensen, John Fleng, 2005, Physiology of Polar Fishes. Farrell, A. P. & Steffensen, J. F. (eds.). p. 1-24 24 p. (Fish Physiology, Vol. 22).

    Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

  17. Published

    The Physiology of Polar Fishes

    Farrell, A. P. (ed.) & Steffensen, John Fleng (ed.), 2005, Academic Press. (Fish Physiology).

    Research output: Book/ReportBookpeer-review

  18. Published

    The response of Atlantic cod, Gadus morhua, to progressive hypoxia: fish swimming speed and physiological stress

    Herbert, N. A. & Steffensen, John Fleng, 2005, In: Marine Biology. 147, p. 1403-1412

    Research output: Contribution to journalJournal articlepeer-review

  19. Published

    The response of lesser sandeel (Ammodytes tobianus) to acute hypoxia; swimming activity and physiological stress

    Behrens, J. W. & Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S171

    Research output: Contribution to journalConference articlepeer-review

  20. 2004
  21. Published

    Escape performance in three teleosts from West Greenland

    Jordan, Anders Drud, Steffensen, John Fleng & Herbert, N. A., 2004, In: Polar Biology. 28, p. 164-167

    Research output: Contribution to journalJournal articlepeer-review

  22. Published

    The interrelated effects of body size and choroids rete development on ocular O2 partial pressure of Atlantic cod (Gadus morhua) and Greenland cod (Gadus ogac).

    Herbert, N. A., Steffensen, John Fleng & Jordan, Anders Drud, 2004, In: Polar Biology. 27, p. 748-752

    Research output: Contribution to journalJournal articlepeer-review

  23. 2003
  24. Published

    Cod could face a breathless future: Inside JEB

    Petersen, M. F. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, p. 211

    Research output: Contribution to journalJournal articlepeer-review

  25. Published

    Does fish from the Disko Bay area of Greenland possess antifreeze proteins during the summer?

    Enevoldsen, L. T., Heiner, I., Devries, A. L. & Steffensen, John Fleng, 2003, In: Polar Biology. 26, p. 365-370

    Research output: Contribution to journalJournal articlepeer-review

  26. Published

    Effects of growth hormone transgenesis on metabolic rate, exercise performance and hypoxia tolerance in tilapia hybrids

    McKenzie, D., Martinez, R., Morales, A., Acosta, J., Morales, R., Taylor, E., Steffensen, John Fleng & Estrada, M., 2003, In: Journal of Fish Biology. 63, 2, p. 398-409

    Research output: Contribution to journalJournal articlepeer-review

  27. Published

    Fiskenes sekundære cirkulationssystem

    Skov, P. V. & Steffensen, John Fleng, 2003, In: Naturens Verden. 10, p. 14-19

    Research output: Contribution to journalJournal article

  28. Published

    Intra-school positional preference and reduced tail beat frequency in trailing positions in schooling roach under experimental conditions

    Svendsen, J. C., Skov, J., Bildsøe, M. & Steffensen, John Fleng, 2003, In: Journal of Fish Biology. 62, 4, p. 834-846 13 p.

    Research output: Contribution to journalJournal articlepeer-review

  29. Published

    Preferred temperature of juvenile Atlantic cod Gadus morhua with different haemoglobin genotypes at normoxia and moderate hypoxia.

    Petersen, M. F. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, Pt 2, p. 359-64 5 p.

    Research output: Contribution to journalJournal articlepeer-review

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