John Fleng Steffensen

John Fleng Steffensen

Professor

ORCID: 0000-0002-4477-8039

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  1. 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

  2. Published

    Intussusceptive Vascular Remodeling Precedes Pathological Neovascularization

    Ali, Z., Mukwaya, A., Biesemeier, A., Ntzouni, M., Ramsköld, D., Giatrellis, S., Mammadzada, P., Cao, R., Lennikov, A., Marass, M., Gerri, C., Hildesjö, C., Taylor, M., Deng, Q., Peebo, B., del Peso, L., Kvanta, A., Sandberg, R., Schraermeyer, U., Andre, H. & 5 others, Steffensen, John Fleng, Lagali, N., Cao, Y., Kele, J. & Jensen, L. D., 2019, In: Arteriosclerosis, Thrombosis, and Vascular Biology. 39, 7, p. 1402-1418

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

  3. Published

    Laser speckle contrast imaging for monitoring changes in microvascular blood flow

    Ambrus, R., Strandby, R. B., Svendsen, Lars Bo, Achiam, Michael Patrick, Steffensen, John Fleng & Svendsen, M. B. S., 2016, In: European Surgical Research. 56, 3-4, p. 87-96 10 p.

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

  4. Published

    Effects of maternal stress coping style on offspring characteristics in rainbow trout (Oncorhynchus mykiss): [plus] Corrigendum

    Andersson, M. Å., Silva, P. I. M., Steffensen, John Fleng & Höglund, E., 2011, In: Hormones and Behavior. 60, 5, p. 699-705 7 p.

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

  5. 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

  6. 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

  7. 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

  8. 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

  9. Published

    Metabolic aspects of torpor in hummingbirds

    Bech, C. & Steffensen, John Fleng, 2006, In: Tung wu hsüeh pao. 52(Suppl.), p. 397-400

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

  10. Published

    Influence of moderate and severe hypoxia on the diurnal activity pattern of lesser sandeel Ammodytes tobianus

    Behrens, J. W., Petersen, J. K., Aertebjerg, G. & Steffensen, John Fleng, 2010, In: Journal of Fish Biology. 77, 3, p. 538-51 13 p.

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

  11. 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

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

  13. Published

    Oxygen dynamics around buried lesser sandeels Ammodytes tobianus (Linnaeus 1785): mode of ventilation and oxygen requirements.

    Behrens, J. W., Stahl, H. J., Steffensen, John Fleng & Glud, R. N., 2007, In: Journal of Experimental Biology. 210, Pt 6, p. 1006-14 8 p.

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

  14. Published

    The effect of hypoxia on behavioural and physiological aspects of lesser sandeel, Ammodytes tobianus (Linnaeus, 1785)

    Behrens, J. W. & Steffensen, John Fleng, 2007, In: Marine Biology. 150, p. 1365-1377

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

  15. Published

    Respiratory Physiology of European Plaice (Pleuronectes platessa) Exposed to Prymnesium parvum

    Bergsson, H., Andersen, N. R., Svendsen, M. B. S., Hansen, Per Juel & Steffensen, John Fleng, 2019, In: Fishes. 4, 2, 13 p., 32.

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

  16. Published

    Model of Oxygen Conditions within Aquaculture Sea Cages

    Bergsson, H., Svendsen, M. B. S. & Steffensen, John Fleng, 2023, In: Biology. 12, 11, 17 p., 1408.

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

  17. Published

    Vascularization of the lateral line organ in the Atlantic cod: involvement of the secondary vascular system

    Bielecki, J., Skov, P. V., Tranum-Jensen, Jørgen & Steffensen, John Fleng, 2008, In: Journal of Zoology. 276, 2, p. 142-148 6 p.

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

  18. 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

  19. Published

    Accelerometer tags: detecting and identifying activities in fish and the effect of sampling frequency

    Broell, F. B., Noda, T., Wright, S., Domenici, P., Steffensen, John Fleng, Auclair, J. & Taggart, C. T., 2013, In: Journal of Experimental Biology. 216, 7, p. 1255-1264 10 p.

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

  20. Published

    Exercise metabolism in two species of cod in arctic waters

    Bushnell, P. G., Steffensen, John Fleng, Schurmann, H. & Jones, D. R., 1994, In: Polar Biology. 14, p. 43-48

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

  21. 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

  22. Published

    Erratum: Gait transition and oxygen consumption in swimming striped perch Embiotoca lateralis Agassiz (Journal of Fish Biology (2006) 69 (1612-1625))

    Cannas, M., Schaefer, J., Domenici, P. & Steffensen, John Fleng, 2007, In: Journal of Fish Biology.

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

  23. Published

    Gait transition and oxygen consumption in swimming striped surfperch Embiotoca lateralis Agassiz

    Cannas, M., Schaefer, J., Domenici, P. & Steffensen, John Fleng, 2006, In: Journal of Fish Biology. 69, 6, p. 1612-1625

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

  24. Published

    Hypoxia-induced retinopathy model in adult zebrafish

    Cao, Z., Jensen, L. D., Rouhi, P., Hosaka, K., Lanne, T., Steffensen, John Fleng, Wahlberg, E. & Cao, Y., 1 Dec 2010, In: Nature Protocols (Print). 5, 12, p. 1903-1910 8 p.

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

  25. Published

    The determination of standard metabolic rate in fishes

    Chabot, D., Steffensen, John Fleng & Farrell, A. P., 2016, In: Journal of Fish Biology. 88, 1, p. 81-121 41 p.

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

  26. Published

    Population ecology, growth, and physico-chemical habitat of anadromous European perch Perca fluviatilis

    Christensen, E. A. F., Svendsen, M. B. S. & Steffensen, John Fleng, 2021, In: Estuarine, Coastal and Shelf Science. 249, 8 p., 107091.

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

  27. Published

    The combined effect of body size and temperature on oxygen consumption rates and the size-dependency of preferred temperature in European perch Perca fluviatilis

    Christensen, E. A. F., Svendsen, M. B. S. & Steffensen, John Fleng, 2020, In: Journal of Fish Biology. 97, 3, p. 794-803

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

  28. Published

    Maximum salinity tolerance and osmoregulatory capabilities of European perch Perca fluviatilis populations originating from different salinity habitats

    Christensen, E. A. F., Grosell, M. & Steffensen, John Fleng, 2019, In: Conservation Physiology. 7, 1, p. 1-5 coz004.

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

  29. Published

    Shuttle-box systems for studying preferred environmental ranges by aquatic animals

    Christensen, E. A. F., Andersen, L. E. J., Bergsson, H., Steffensen, John Fleng & Killen, S. S., 2021, In: Conservation Physiology. 9, 1, 21 p., coab028.

    Research output: Contribution to journal › Review › Research › peer-review

  30. Published

    Intra-Specific Difference in the Effect of Salinity on Physiological Performance in European Perch (Perca fluviatilis) and Its Ecological Importance for Fish in Estuaries

    Christensen, E. A. F., Stieglitz, J. D., Grosell, M. & Steffensen, John Fleng, 2019, In: Biology. 8, 4, 17 p., 89.

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

  31. Published

    Plasma osmolality and oxygen consumption of perch Perca fluviatilis in response to different salinities and temperatures

    Christensen, E. A. F., Svendsen, M. B. S. & Steffensen, John Fleng, Mar 2017, In: Journal of Fish Biology. 90, 3, p. 819-833 15 p.

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

  32. Published

    Effects of salinity on swimming performance and oxygen consumption rate of shiner perch Cymatogaster aggregata

    Christensen, E. A. F., Illing, B., Iversen, N. S., Johansen, J. L., Domenici, P. & Steffensen, John Fleng, Jul 2018, In: Journal of Experimental Marine Biology and Ecology. 504, p. 32-37 6 p.

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

  33. Published

    The response of striped surfperch Embiotoca lateralis to progressive hypoxia: swimming activity, shoal structure, and estimated metabolic expenditure

    Cook, D. G., Brown, E. J., Lefevre, S., Domenici, P. & Steffensen, John Fleng, 2014, In: Journal of Experimental Marine Biology and Ecology. 460, p. 162-169 8 p.

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

  34. Published

    Excess postexercise oxygen consumption decreases with swimming duration in a labriform fish: integrating aerobic and anaerobic metabolism across time

    Cordero, G. A., Methling, C., Tirsgaard, B., Steffensen, John Fleng, Domenici, P. & Svendsen, J. C., 2019, In: Journal of Experimental Zoology. Part A: Ecological and Integrative Physiology . 331, 10, p. 577-586 10 p.

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

  35. Published

    The Greenland shark: a new challenge for the oxidative stress theory of ageing?

    Costantini, D., Smith, S., Killen, S. S., Nielsen, J. & Steffensen, John Fleng, 2017, In: Comparative Biochemistry and Physiology. Part A: Molecular & Integrative Physiology. 203, p. 227-232 6 p.

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

  36. 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

  37. Published

    Nitric oxide permits hypoxia-induced lymphatic perfusion by controlling arterial-lymphatic conduits in zebrafish and glass catfish

    Dahl Ejby Jensen, L., Cao, R., Hedlund, E., Söll, I., Lundberg, J. O., Hauptmann, G., Steffensen, John Fleng & Cao, Y., 2009, In: Proceedings of the National Academy of Science of the United States of America. 106, 43, p. 18408-13 5 p.

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

  38. 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

  39. Published

    Oil gland and oil pores in billfishes: in search of a function

    Dhellemmes, F., Hansen, M. J., Bouet, S. D., Videler, J. J., Domenici, P., Steffensen, John Fleng, Hildebrandt, T., Fritsch, G., Bach, P., Sabarros, P. S., Krüger, A., Kurvers, R. H. J. M. & Krause, J., 2020, In: The Journal of Experimental Biology. 223, 7 p., jeb224956.

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

  40. Published

    Physiological traits of the Greenland shark Somniosus microcephalus obtained during the TUNU-Expeditions to Northeast Greenland

    Di Prisco, G., Ademollo, N., Ancora, S., Christiansen, J. S., Coppola, D., Corsolini, S., Ferrando, S., Ghigliotti, L., Giordano, D., Lynghammar, A., Nielsen, J., Pisano, E., Russo, R., Steffensen, John Fleng & Verde, C., 2021, Life in Extreme Environments: Insights in Biological Capability. Di Prisco, G., Edwards, H. G. M., Elster, J. & Huiskes, A. H. L. (eds.). Cambridge University Press, p. 11-41 (Ecological Reviews).

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

  41. Published

    The effect of hypoxia on fish swimming performance and behaviour: swimming physiology of fish

    Domenici, P., Herbert, N. A., Lefrançois, C., Steffensen, John Fleng & McKenzie, D., 2013, Swimming Physiology of Fish. Palstra, A. P. & Planas, J. V. (eds.). Springer Science+Business Media, p. 129-159 31 p.

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

  42. Published

    How sailfish use their bills to capture schooling prey

    Domenici, P., Wilson, A. D. M., Kurvers, R. H. J. M., Marras, S., Herbert-Read, J. E., Steffensen, John Fleng, Krause, S., Viblanc, P. E., Couillaud, P. & Krause, J., 2014, In: Proceedings of the Royal Society B: Biological Sciences. 281, 1784, 7 p.

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

  43. 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

  44. Published

    The effect of hypoxia on fish schooling

    Domenici, P., Steffensen, John Fleng & Marras, S., 19 Aug 2017, In: Philosophical Transactions of the Royal Society B: Biological Sciences. 372, 1727, 13 p., 20160236.

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

  45. 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

  46. Published

    Fast-starting after a breath: air-breathing motions are kinematically similar to escape responses in the catfish Hoplosternum littorale

    Domenici, P., Norin, T., Bushnell, P. G., Johansen, J. L., Skov, P. V., Svendsen, M. B. S., Steffensen, John Fleng & Abe, A. S., 2015, In: Biology Open. 4, p. 79-85 7 p.

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

  47. Published

    Advancing Research for the Management of Long-Lived Species: A Case Study on the Greenland Shark

    Edwards, J. E., Hiltz, E., Broell, F., Bushnell, P. G., Campana, S. E., Christiansen, J. S., Devine, B. M., Gallant, J. J., Hedges, K. J., MacNeil, M. A., McMeans, B. C., Nielsen, J., Præbel, K., Skomal, G. B., Steffensen, John Fleng, Walter, R. P., Watanabe, Y. Y., VanderZwaag, D. L. & Hussey, N. E., 2019, In: Frontiers in Marine Science. 6, p. 1-27 87.

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

  48. Published

    Partitioning the metabolic scope: the importance of anaerobic metabolism and implications for the oxygen- and capacity-limited thermal tolerance (OCLTT) hypothesis

    Ejbye-Ernst, R., Michaelsen, T. Y., Tirsgård, B., Wilson, J. M., Jensen, L. F., Steffensen, John Fleng, Pertoldi, C., Aarestrup, K. & Svendsen, J. C., 2016, In: Conservation Physiology. 4, 1, 13 p.

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

  49. 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

  50. 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

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