John Fleng Steffensen

John Fleng Steffensen

Professor

ORCID: 0000-0002-4477-8039

Publication year:
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151 - 200 out of 233Page size: 50
  1. 2006
  2. Published

    Growth of Atlantic cod (Gadus morhua L.) with different haemoglobin subtypes when kept near their temperature preferenda

    Jordan, A. D., Lampe, J. F., Grisdale-Helland, B., Helland, S. J., Shearer, K. D. & Steffensen, John Fleng, 2006, In: Aquaculture. 257, p. 44-52

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

  3. 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 proceeding › Book chapter › Communication

  4. Published

    Fiskene i de danske farvande

    Steffensen, John Fleng, 2006, HAVET: Naturen i Danmark. Fenchel, T. (ed.). Gyldendal, p. 255-310

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

  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 journal › Journal article › Research › peer-review

  6. Published

    A Novel Acoustic Dissolved Oxygen Transmitter for Fish Telemetry

    Svendsen, J. C., Aarestrup, K., Steffensen, John Fleng & Herskin, J., 2006, In: Marine Technology Society Journal. 40, 1, p. 103-108

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

  7. 2005
  8. 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 journal › Conference article › Research › peer-review

  9. 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 proceeding › Book chapter › Research › peer-review

  10. Published

    The Physiology of Polar Fishes

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

    Research output: Book/Report › Book › Research › peer-review

  11. 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 journal › Journal article › Research › peer-review

  12. 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 journal › Conference abstract in journal › Research

  13. 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 journal › Journal article › Research › peer-review

  14. Published

    Oxygen conditions in fish schools

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

    Research output: Contribution to journal › Conference abstract in journal › Research

  15. 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 journal › Conference abstract in journal › Research

  16. 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 proceeding › Report chapter › Research

  17. 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 proceeding › Book chapter › Research

  18. 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 journal › Conference abstract in journal › Research

  19. 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 journal › Journal article › Research › peer-review

  20. 2004
  21. 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 journal › Journal article › Research › peer-review

  22. 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 journal › Journal article › Research › peer-review

  23. 2003
  24. 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 journal › Journal article › Research › peer-review

  25. Published

    Tolerance of chronic hypercapnia by the European eel Anguilla anguilla.

    McKenzie, D. J., Piccolella, M., Dalla Valle, A. Z., Taylor, E. W., Bolis, C. L. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, Pt 10, p. 1717-26 9 p.

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

  27. 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 journal › Journal article › Research › peer-review

  28. 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 journal › Journal article › Research › peer-review

  29. Published

    Fiskenes sekundære cirkulationssystem

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

    Research output: Contribution to journal › Journal article › Communication

  30. Published

    The blood volumes of the primary and secondary circulatory system in the Atlantic cod, Gadus morhua L., using plasma bound Evans Blue and compartmental analysis.

    Skov, P. V. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, p. 591-599 8 p.

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

  31. 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 journal › Journal article › Research › peer-review

  32. 2002
  33. Published

    The effect of progressive hypoxia on school structure and dynamics in Atlantic herring Clupea harengus.

    Domenici, P., Ferrari, R. S., Steffensen, John Fleng & Batty, R. S., 2002, In: Proceedings of the Royal Society of London. Biological Sciences. 269, 1505, p. 2103-11 8 p.

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

  34. Published

    Energetics of median and paired fin swimming, body and caudal fin swimming, and gait transition in parrotfish (Scarus schlegeli) and triggerfish (Rhinecanthus aculeatus).

    Korsmeyer, K. E., Steffensen, John Fleng & Herskin, J., 2002, In: Journal of Experimental Biology. 205, Pt 9, p. 1253-63 10 p.

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

  35. Published

    Tolerance of acute hypercapnic acidosis by the European eel ( Anguilla anguilla).

    McKenzie, D. J., Taylor, E. W., Dalla Valle, A. Z. & Steffensen, John Fleng, 2002, In: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 172, 4, p. 339-46 7 p.

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

  36. Published

    Phylogenetic position of the cryopelagic codfish genus Arctogadus Drjagin, 1932 based on partial mitochondrial cytochrome b sequences

    Møller, Peter Rask, Jordan, Anders Drud, Gravlund, P. & Steffensen, John Fleng, 2002, In: Polar Biology. 25, 5, p. 342-349

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

  37. Published

    Respirometry across the gait transition in a labriform swimmer (Embiotoca lateralis).

    Schaefer, J., Cannas, M. & Steffensen, John Fleng, 2002, In: Integrative and Comparative Biology. 6, p. 1307

    Research output: Contribution to journal › Conference abstract in journal › Research

  38. Published

    Metabolic cold adaptation of polar fish based on measurements of aerobic oxygen consumption: fact or artefact? Artefact!

    Steffensen, John Fleng, 2002, In: Comparative Biochemistry and Physiology A. 132, 4, p. 789-95 6 p.

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

  39. 2001
  40. Published

    Oxygen consumption of East Siberian cod: no support for the metabolic cold adaptation theory

    Jordan, Anders Drud, Jungersen, M. & Steffensen, John Fleng, 2001, In: Journal of Fish Biology. 59, 4, p. 818-823

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

  41. Published

    Growth hormone transgenic tilapia (Oreochromis sp.) compensate for increased metabolic rate to preserve exercise performance and hypoxia tolerance

    McKenzie, D. J., Martínez, R., Morales, A., Acosta, J., Taylor, E. W., Steffensen, John Fleng & Estrada, M. P., 2001, In: Journal of Physiology. xx, p. 531

    Research output: Contribution to journal › Conference abstract in journal › Research

  42. Published

    Oxygen consumption of East Siberan cod: no support for the metabolic cod adaptation theory

    Steffensen, John Fleng, Jordan, A. D. & Jungersen, M., 2001, In: Journal of Fish Biology. 59, p. 818-823

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

  43. 2000
  44. Published

    The effect of progressive hypoxia on swimming activity and schooling in Atlantic herring

    Domenici, P., Steffensen, John Fleng & Batty, R. S., 2000, In: Journal of Fish Biology. 57, 6, p. 1526-1538

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

  45. Published

    Effects of dietary fatty acid composition on metabolic rate and responses to hypoxia in the European eel (Anguilla anguilla)

    McKenzie, D. J., Piraccini, G., Piccolella, M., Steffensen, John Fleng, Bolis, C. L. & Taylor, E. W., 2000, In: Fish Physiology & Biochemistry. 22, 4, p. 281-296

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

  46. Published

    Tolerance of hypercapnic acidosis by the European eel, Anguilla anguilla

    McKenzie, D., Dalla Valle, A., Steffensen, John Fleng & Taylor, E., 2000, In: Journal of Physiology. Suppl. S, p. 282P-283P

    Research output: Contribution to journal › Conference abstract in journal › Research

  47. 1999
  48. Published

    The influence of dietary fatty acid composition on the respiratory and cardiovascular physiology of Adriatic sturgeon (Acipenser naccarii): a review

    McKenzie, D., Piraccini, G., Agnisola, C., Steffensen, John Fleng, Bronzi, P., Bolis, C., Tota, B. & Taylor, E., 1999, In: Journal of Applied Ichthyology. 15, 4-5, p. 265-269

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

  49. 1998
  50. Published

    Blood Volume, Plasma Volume and Circulation Time in a High-Energy-Demand Teleost, the Yellowfin Tuna (Thunnus Albacares)

    Brill, R. W., Cousins, K. L., Jones, D. R., Bushnell, P. G. & Steffensen, John Fleng, 1998, In: Journal of Experimental Biology. 201, 5, p. 647-654

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

  51. Published

    Energy savings in sea bass swimming in a school: measurements of tail beat frequency and oxygen consumption at different swimming speeds

    Herskin, J. & Steffensen, John Fleng, 1998, In: Journal of Fish Biology. 53, 2, p. 366-376

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

  52. Published

    Muscle dynamics in fish during steady swimming

    Shadwick, R., Steffensen, John Fleng, Katz, S. & Knower, T., 1998, In: Integrative and Comparative Biology. 38, 4, p. 755-770

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

  53. Published

    Swimming performance, venous oxygen tension and cardiac performance of coronary-ligated rainbow trout, Oncorhynchus mykiss, exposed to progressive hypoxia.

    Steffensen, John Fleng & Farrell, A. P., 1998, In: Comparative Biochemistry and Physiology A. 119, 2, p. 585-92 7 p.

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

  54. 1997
  55. Published

    Torpor in Three Species of Brazilian Hummingbirds under Semi-Natural Condition

    Bech, C., Steffensen, John Fleng, Merger, M., Bicodu, J. E. P. W. & Abe, A. S., 1997, In: The condor. 99, p. 780-788

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

  56. Published

    Macromolecular capillary permeability of three species of fish.

    Bushnell, P., Steffensen, John Fleng, Brill, R. & Jones, D., 1997, In: The FASEB Journal. 3, p. 558

    Research output: Contribution to journal › Conference abstract in journal › Research

  57. Published

    The effects of acute hypoxia and hypercapnia on oxygen consumption of the freshwater European eel

    Cruz-Neto, A. P. & Steffensen, John Fleng, 1997, In: Journal of Fish Biology. 50, p. 759-769

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

  58. Published

    Effects of temperature, hypoxia and activity on the metabolism of juvenile Atlantic cod

    Schurmann, H. & Steffensen, John Fleng, 1997, In: Journal of Fish Biology. 50, p. 1166-1180

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

  59. 1995
  60. Published

    Torpor e energética em Beija-flores do Sudeste Brasileiro

    Abe, A. S., Bech, C., Steffensen, John Fleng, Berger, M. & Bicodu, J. E. P. W., 1995, In: Museu de Biologia Mello Leitao. Boletim. 2, p. 3-13

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

  61. Published

    Protein synthesis, growth and energetics in larval herring (Clupea harengus) at different feeding regimes

    Houlihan, D. F., Pedersen, B. H., Steffensen, John Fleng & Brechin, J., Jun 1995, In: Fish Physiology & Biochemistry. 14, 3, p. 195-208 14 p.

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

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