John Fleng Steffensen

John Fleng Steffensen

Professor

ORCID: 0000-0002-4477-8039

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  1. 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

  2. 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

  3. Published

    Effects of ration size and hypoxia on specific dynamic action in the cod

    Jordan, Anders Drud & Steffensen, John Fleng, 2007, In: Physiological and Biochemical Zoology.

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

  4. 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

  5. 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

  6. Published

    Winter temperatures decrease swimming performance and limit distributions of tropical damselfishes

    Johansen, J. L., Steffensen, John Fleng & Jones, G. P., 2015, In: Conservation Physiology. 3, 1, 12 p.

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

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

  8. Published

    Kinematics and energetic benefits of schooling in the labriform fish, striped surfperch Embiotoca lateralis

    Johansen, J. L., Vaknin, R., Steffensen, John Fleng & Domenici, P., 2010, In: Marine Ecology - Progress Series. 420, p. 221-229 9 p.

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

  9. Published

    Lacunae rostralis: A new structure on the rostrum of sailfish Istiophorus platypterus

    Häge, J., Hansen, M. J., Pacher, K., Dhellemmes, F., Domenici, P., Steffensen, John Fleng, Breuker, M., Krause, S., Hildebrandt, T. B., Fritsch, G., Bach, P., Sabarros, P. S., Zaslansky, P., Mahlow, K., Schauer, M., Müller, J. & Krause, J., 2022, In: Journal of Fish Biology. 100, 5, p. 1205-1213 9 p.

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

  10. 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., 1995, In: Fish Physiology & Biochemistry. 14 (3), p. 195-208

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

  11. 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

  12. Published

    Bowhead NEIL1: molecular cloning, characterization, and enzymatic properties

    Holm, S., Larsen, R. M., Holst, C. M., Heide-Jørgensen, M. P., Steffensen, John Fleng, Stevnsner, T. & Larsen, K., 2023, In: Biochimie. 206, p. 136-149 14 p.

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

  13. 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

  14. Published

    Proto-cooperation: group hunting sailfish improve hunting success by alternating attacks on grouping prey

    Herbert-Read, J. E., Romanczuk, P., Krause, S., Strömbom, D., Couillaud, P., Domenici, P., Kurvers, R. H. J. M., Marras, S., Steffensen, John Fleng, Wilson, A. D. M. & Krause, J., 2016, In: Royal Society of London. Proceedings B. Biological Sciences. 283, 1842, 9 p., 20161671.

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

  15. Published

    Hypoxia increases the behavioural activity of schooling herring: a response to physiological stress or respiratory distress?

    Herbert, N. A. & Steffensen, John Fleng, 2006, In: Marine Biology. 149, 5, p. 1217-1225

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

  16. Published

    The hypoxia avoidance behaviour of juvenile Atlantic cod (Gadus morhua L.) depends on the provision and pressure level of an O2 refuge

    Herbert, N. A., Skjaeraasen, J. E., Nilsen, T., Salvanes, A. G. V. & Steffensen, John Fleng, 2011, In: Marine Biology. 158, 4, p. 737-746 10 p.

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

  17. 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

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

  19. 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

  20. Published

    Blood O2 affinity of a large polar elasmobranch, the Greenland shark Somniosus microcephalus

    Herbert, N. A., Skov, P. V., Tirsgård, B., Bushnell, P. G., Brill, R. W., Clark, C. H. & Steffensen, John Fleng, Nov 2017, In: Polar Biology. 40, 11, p. 2297-2305 9 p.

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

  21. Published

    Linking hunting weaponry to attack strategies in sailfish and striped marlin

    Hansen, M. J., Krause, S., Breuker, M., Kurvers, R. H. J. M., Dhellemmes, F., Viblanc, P. E., Müller, J., Mahlow, C., Boswell, K., Marras, S., Domenici, P., Wilson, A. D. M., Herbert-Read, J. E., Steffensen, John Fleng, Fritsch, G., Hildebrandt, T. B., Zaslansky, P., Bach, P., Sabarros, P. S. & Krause, J., 2020, In: Proceedings of the Royal Society B: Biological Sciences. 287, 1918, 9 p., 20192228.

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

  22. Published

    Optimum temperature of a northern population of Arctic charr (Salvelinus alpinus) using heart rate Arrhenius breakpoint analysis

    Hansen, A. K., Byriel, David Bille, R. Jensen, M., Steffensen, John Fleng & Svendsen, M. B. S., 2017, In: Polar Biology. 40, 5, p. 1063-1070 8 p.

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

  23. Published

    Adapt, move or die - how will tropical coral reef fishes cope with ocean warming?

    Habary, A., Johansen, J. L., Nay, T. J., Steffensen, John Fleng & Rummer, J. L., 2017, In: Global Change Biology. 23, 2, p. 566-577 12 p.

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

  24. Published

    Too hot to handle? Using movement to alleviate effects of elevated temperatures in a benthic elasmobranch, Hemiscyllium ocellatum

    Gervais, C. R., Nay, T. J., Renshaw, G., Johansen, J. L., Steffensen, John Fleng & Rummer, J. L., 2018, In: Marine Biology. 165, 11, p. 1-12 162.

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

  25. Published

    Excess post-hypoxic oxygen consumption is independent from lactate accumulation in two cyprinid fishes

    Genz, J., Jyde, M. B., Svendsen, J. C., Steffensen, John Fleng & Ramløv, H., 2013, In: Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology. 165, 1, p. 54-60 7 p.

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

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