John Fleng Steffensen

John Fleng Steffensen

Professor

ORCID: 0000-0002-4477-8039

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  1. Published

    Energetics of swimming of schooling fish

    Steffensen, John Fleng, 2012.

    Research output: Contribution to conference › Conference abstract for conference › Research

  2. Published

    In vivo near real time imaging of oxygen partial pressures in the glass catfish (Kryptopterus bichirris)

    Steffensen, John Fleng, 2012.

    Research output: Contribution to conference › Conference abstract for conference › Research

  3. Published

    The whole blood oxygen binding properties of a large but presumably sluggish polar elasmobranch, the Greenland shark Somniosus microcephalus

    Steffensen, John Fleng, 2012.

    Research output: Contribution to conference › Conference abstract for conference › Research

  4. Published

    DIFFERENCES IN POST HATCH METABOLIC RATE AND DEVELOPMENTAL RATE IN ATLANTIC SALMON (SALMO SALAR L): EVIDENCE FOR COMPENSATORY GROWTH?

    Steffensen, John Fleng, 2010.

    Research output: Contribution to conference › Conference abstract for conference › Research

  5. Published

    Variation in oxygen consumption and temperature preference of Atlantic cod, Gadus morhua, from Denmark and Greenland

    Steffensen, John Fleng, 2008, In: Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology. 150, 3, Supplement, p. S206-S207

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

  6. Published

    THE EFFECT OF HYPOXIA ON THE MAXIMUM MATABOLIC RATE AND SPECIFIC DYNAMIC ACTION IN ATLANTIC COD Gadus morhua.

    Steffensen, John Fleng, 2010.

    Research output: Contribution to conference › Conference abstract for conference › Research

  7. 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

  8. 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

  9. 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

  10. Published

    The effects of swimming pattern on the energy use of gilthead seabream (Sparus aurata L.)

    Steinhausen, M. F., Steffensen, John Fleng & Andersen, N. G., 2010, In: Marine and Freshwater Behaviour and Physiology. 43, 4, p. 227-241

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

  11. Published

    The relationship between caudal differential pressure and activity of Atlantic cod: a potential method to predict oxygen consumption of free-swimming fish

    Steinhausen, M. F., Steffensen, John Fleng & Andersen, N. G., 2007, In: Journal of Fish Biology. 71, p. 957-969

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

  12. 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

  13. Published

    Partition of aerobic and anaerobic swimming costs related to gait transitions in a labriform swimmer

    Svendsen, J. C., Tudorache, C., Jordan, A. D., Steffensen, John Fleng, Aarestrup, K. & Domenici, P., 2010, In: Journal of Experimental Biology. 213, Pt 13, p. 2177-83 6 p.

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

  14. 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

  15. Published

    Intraspecific variation in aerobic and anaerobic locomotion: gilthead sea bream (Sparus aurata) and Trinidadian guppy (Poecilia reticulata) do not exhibit a trade-off between maximum sustained swimming speed and minimum cost of transport

    Svendsen, J. C., Tirsgård, B., Cordero, G. A. & Steffensen, John Fleng, 2015, In: Frontiers in Physiology. 6, 12 p., 43.

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

  16. Published

    Partition of aerobic and anaerobic swimming costs related to gait transitions in a labriform fish

    Svendsen, J. C., Tudorache, C., Jordan, A. D., Steffensen, John Fleng, Aarestrup, K. & Domenici, P., 2010.

    Research output: Contribution to conference › Conference abstract for conference › Research

  17. Published

    Effects of intraspecific variation in reproductive traits, pectoral fin use and burst swimming on metabolic rates and swimming performance in the Trinidadian guppy (Poecilia reticulata)

    Svendsen, J. C., Banet, A. I., Christensen, R. H. B., Steffensen, John Fleng & Aarestrup, K., 2013, In: Journal of Experimental Biology. 216, 18, p. 3564-3574 11 p.

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

  18. Published

    Excess posthypoxic oxygen consumption in rainbow trout (Oncorhynchus mykiss): recovery in normoxia and hypoxia

    Svendsen, J. C., Steffensen, John Fleng, Aarestrup, K., Frisk, M., Etzerodt, A. & Jyde, M., 2012, In: Canadian Journal of Zoology. 90, 1, p. 1-11 11 p.

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

  19. Published

    To scale or not to scale: a perspective on describing fish energy budgeting

    Svendsen, M. B. S., Christensen, E. A. F. & Steffensen, John Fleng, 1 Jan 2017, In: Conservation Physiology. 5, 1, 10 p., cox056.

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

  20. Published

    Sources of variation in oxygen consumption of aquatic animals demonstrated by simulated constant oxygen consumption and respirometers of different sizes

    Svendsen, M. B. S., Bushnell, P. G., Christensen, E. A. F. & Steffensen, John Fleng, 2016, In: Journal of Fish Biology. 88, 1, p. 51-64 14 p.

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

  21. Published

    Are all bony fishes oxygen regulators? Evidence for oxygen regulation in a putative oxygen conformer, the swamp eel Synbranchus marmoratus

    Svendsen, M. B. S., Johansen, J. L., Bushnell, P. G., Skov, P. V., Norin, T., Domenici, P., Steffensen, John Fleng & Abe, A., 2019, In: Journal of Fish Biology. 94, 1, p. 178-182

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

  22. Published

    Effects of harmful algal blooms on fish: insights from Prymnesium parvum

    Svendsen, M. B. S., Andersen, N. G., Hansen, Per Juel & Steffensen, John Fleng, 2018, In: Fishes. 3, 1, 12 p., 11.

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

  23. Published

    Design and setup of intermittent-flow respirometry system for aquatic organisms

    Svendsen, M. B. S., Bushnell, P. G. & Steffensen, John Fleng, 2016, In: Journal of Fish Biology. 88, 1, p. 26-50 25 p.

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

  24. Published

    Maximum swimming speeds of sailfish and three other large marine predatory fish species based on muscle contraction time and stride length: a myth revisited

    Svendsen, M. B. S., Domenici, P., Marras, S., Krause, J., Boswell, K. M., Rodriguez-Pinto, I., Wilson, A. D. M., Kurvers, R. H. J. M., Viblanc, P. E., Finger, J. S. & Steffensen, John Fleng, 2016, In: Biology Open. 5, 10, p. 1415-1419 5 p.

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

  25. Published

    Prolonged SDA and reduced digestive efficiency under elevated CO2 may explain reduced growth in Atlantic cod (Gadus morhua)

    Tirsgård, B., Moran, D. & Steffensen, John Fleng, 2015, In: Aquatic Toxicology. 158, p. 171-180 10 p.

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

  26. Published

    The effect of temperature and body size on metabolic scope of activity in juvenile Atlantic cod Gadus morhua L.

    Tirsgård, B., Behrens, J. W. & Steffensen, John Fleng, 2015, In: Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology. 179, p. 89-94 6 p.

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

  27. Published

    Effects of temperature on specific dynamic action in Atlantic cod Gadus morhua

    Tirsgård, B., Svendsen, J. C. & Steffensen, John Fleng, 2015, In: Fish Physiology & Biochemistry. 41, 1, p. 41-50 10 p.

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

  28. Published

    Pectoral fin beat frequency predicts oxygen consumption during spontaneous activity in a labriform swimming fish (Embiotoca lateralis)

    Tudorache, C., Jordan, Anders Drud, Svendsen, J. C., Domenici, P., DeBoeck, G. & Steffensen, John Fleng, 2009, In: Environmental Biology of Fishes. 84, p. 121-127 6 p.

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

  29. 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

  30. Published

    Primary versus secondary drivers of foraging activity in sandeel schools (Ammodytes tobianus)

    Van Deurs, M. S. K., Behrens, J. W., Warnar, T. & Steffensen, John Fleng, 2011, In: Marine Biology. 158, 8, p. 1781-1789 9 p.

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

  31. Published

    Flight cost and economy of nectar-feeding in tha bat Glossophage soricina (Phyllostomidae: Glossophaginae)

    Winter, Y., von Helversen, O., Norgerg, U. M., Kunz, T. H. & Steffensen, John Fleng, 1993, Plant-animal interactions in tropical enviroments. Bonn: Museum Alexander Koenig, p. 167-174

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

  32. Published

    Critical threshold size for overwintering sandeels (Ammodytes marinus)

    van Deurs, M., Hartvig, M. & Steffensen, John Fleng, 1 Dec 2011, In: Marine Biology. 158, 12, p. 2755-2764 10 p.

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

  33. Published

    Turbulent flow reduces oxygen consumption in the labriform swimming shiner perch, Cymatogaster aggregata

    van der Hoop, J. M., Byron, M. L., Ozolina, K., Miller, D. L., Johansen, J. L., Domenici, P. & Steffensen, John Fleng, 2018, In: Journal of Experimental Biology. 221, 11, p. 1-11 jeb168773.

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

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