John Fleng Steffensen

John Fleng Steffensen

Professor

ORCID: 0000-0002-4477-8039

Publication year:
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1 - 25 out of 233Page size: 25
  1. 1981
  2. Published

    BLOOD-OXYGEN TRANSPORT IN THE LEMON SHARK

    BUSHNELL, P., Steffensen, John Fleng, LUTZ, P. & OIKARI, A., 1981, In: FEDERATION PROCEEDINGS. 3, p. 431-431

    Research output: Contribution to journal › Conference article › Research › peer-review

  3. Published

    The relative importance of skin oxygen uptake in the naturally buried plaice, Pleuronectes platessa, exposed to graded hypoxia.

    Steffensen, John Fleng, Lomholt, J. P. & Johansen, K., 1981, In: Respiratory Physiology & Neurobiology. 44, 3, p. 269-75 6 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. 1982
  5. Published

    Gill ventilation and oxygen extraction during graded hypoxia in 2 ecologically distinct species of flatfish, the flounder (Platichthys flesus) and the plaice (Pleuronectes platessa)

    Steffensen, John Fleng, LOMHOLT, J. & JOHANSEN, K., 1982, In: Environmental Biology of Fishes. 7, 2, p. 157-164

    Research output: Contribution to journal › Journal article › Research › peer-review

  6. Published

    Increases in arterial blood oxygen during exercise in the lemon shark (Negaprion brevirostris)

    BUSHNELL, P., LUTZ, P., Steffensen, John Fleng, OIKARI, A. & GRUBER, S., 1982, In: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 147, 1, p. 41-47

    Research output: Contribution to journal › Journal article › Research › peer-review

  7. 1983
  8. Published

    Energetic cost of active branchial ventilation in the sharksucker, Echeneis naucrates.

    Steffensen, John Fleng & Lomholt, J. P., 1983, In: Journal of Experimental Biology. 103, p. 185-92 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. 1984
  10. Published

    An automated swimming respirometer

    Steffensen, John Fleng, JOHANSEN, K. & BUSHNELL, P., 1984, In: Comparative Biochemistry and Physiology A. 79, 3, p. 437-440

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Oxygen Consumption and Swimming Performance in Hypoxia-Acclimated Rainbow Trout Salmo Gairdneri

    BUSHNELL, P., Steffensen, John Fleng & JOHANSEN, K., 1984, In: Journal of Experimental Biology. 113, p. 225-235

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Ventilation and oxygen consumption in the hagfish, Myxine glutinosa L.

    Steffensen, John Fleng, JOHANSEN, K., SINDBERG, C., Sørensen, J. H. & Møller, J. L., 1984, In: Journal of Experimental Marine Biology and Ecology. 84, 2, p. 173-178

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. 1985
  14. Published

    Cutaneous oxygen uptake and its relation to skin blood perfusion and ambient salinity in the plaice, Pleuronectes platessa.

    Steffensen, John Fleng & Lomholt, J. P., 1985, In: Comparative Biochemistry and Physiology - Part A: Comparative Physiology. 81, 2, p. 373-5 2 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. Published

    The Transition between Branchial Pumping and Ram Ventilation in Fishes: Energetic Consequences and Dependence on Water Oxygen Tension

    Steffensen, John Fleng, 1985, In: Journal of Experimental Biology. 114, p. 141-150

    Research output: Contribution to journal › Journal article › Research › peer-review

  16. 1986
  17. Published

    In vivo Observations on a Specialized Microvasculature, the Primary and Secondary Vessels in Fishes

    Steffensen, John Fleng, LOMHOLT, J. & VOGEL, W., 1986, In: Acta Zoologica. 67, 4, p. 193-200

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. 1987
  19. Published

    An analysis of the energetic cost of the branchial and cardiac pumps during sustained swimming in trout

    FARRELL, A. & Steffensen, John Fleng, 1987, In: {FISH PHYSIOLOGY AND BIOCHEMISTRY}. 4, 2, p. 73-79

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    Control of red cell volume and pH in trout: Effects of isoproterenol, transport inhibitors, and extracellular pH in bicarbonate/carbon dioxide-buffered media

    NIKINMAA, M., Steffensen, John Fleng, TUFTS, B. & RANDALL, D., 1987, In: Journal of Experimental Zoology. Part A: Ecological Genetics and Physiology (Print Edition). 242, 3, p. 273-281

    Research output: Contribution to journal › Journal article › Research › peer-review

  21. Published

    Coronary ligation reduces maximum sustained swimming speed in Chinook salmon, Oncorhynchus tshawytscha.

    Farrell, A. P. & Steffensen, John Fleng, 1987, In: Comparative Biochemistry and Physiology - Part A: Comparative Physiology. 87, 1, p. 35-7 2 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  22. Published

    Effect of burst swimming and adrenaline infusion on O2 consumption and CO2 excretion in rainbow trout, Salmo gairdneri.

    Steffensen, John Fleng, Tufts, B. L. & Randall, D. J., 1987, In: Journal of Experimental Biology. 131, p. 427-34 7 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  23. Published

    Ion exchange mechanisms on the erythrocyte membrane of the aquatic salamander, Amphiuma tridactylum.

    Tufts, B. L., Nikinmaa, M., Steffensen, John Fleng & Randall, D. J., 1987, In: Journal of Experimental Biology. 133, p. 329-38 9 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. 1989
  25. Published

    Some errors in respirometry of aquatic breathers: How to avoid and correct for them

    Steffensen, John Fleng, 1989, In: Fish Physiology & Biochemistry. 6, 1, p. 49-59

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. 1990
  27. Published

    Effects of exercise training and coronary ablation on swimming performance, heart size, and cardiac enzymes in rainbow trout, Oncorhynchus mykiss

    FARRELL, A., JOHANSEN, J., Steffensen, John Fleng, MOYES, C., WEST, T. & SUAREZ, R., 1990, In: Canadian Journal of Zoology. 68, 6, p. 1174-1179

    Research output: Contribution to journal › Journal article › Research › peer-review

  28. 1991
  29. Published

    Fisk foretrækker lavere temperatur under iltsvind

    Schurmann, H. & Steffensen, John Fleng, 1991, In: Vand & Miljø. 9, p. 434-437

    Research output: Contribution to journal › Journal article › Communication

  30. Published

    The influence of Hypoxia on the Preferred Temperature of Rainbow Trout Oncorhynchus mykiss

    Schurmann, H., Steffensen, John Fleng & Lomholt, J. F., 1991, In: Journal of Experimental Biology. 157, p. 75-86

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. 1992
  32. Published

    Har fisk et lymfekarsystem?

    Lomholt, J. P. & Steffensen, John Fleng, 1992, In: Naturens Verden. 1, p. 15-21

    Research output: Contribution to journal › Journal article › Communication

  33. Published

    Lethal oxygen levels at different temperatures and the preferred temperature during hypoxia of the Atlantic cod Gadus morhua L.

    Schurmann, H. & Steffensen, John Fleng, 1992, In: Journal of Fish Biology. 41, 6, p. 927-934

    Research output: Contribution to journal › Journal article › Research › peer-review

  34. Published

    The effect of hypoxia on the preferred temperature of the rainbow trout, Oncorhynchus mykiss, and the Atlantic cod, Gadus morhua

    Steffensen, John Fleng & Schurmann, H., 1992, In: Proc.12th Symp.Baltic Mar.Biol., Helsingør, Denmark. p. 157-162

    Research output: Contribution to journal › Conference article › Research › peer-review

  35. Published

    The secondary vascular system

    Steffensen, John Fleng & Lomholt, J. P., 1992, Fish Physiol., XIIA. Academic Press, p. 185-217

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

  36. Published

    Ventilatory and respiratory responses in fish: adaptations to environment

    Steffensen, John Fleng, 1992, The Vertebrate Gas Transport Cascade: Adaptations to the environment and Mode of Life. CRC Press, p. 60-71

    Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research

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