John Fleng Steffensen
Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
- 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
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Energetics of swimming of schooling fish
Steffensen, John Fleng, 2012.Research output: Contribution to conference › Conference abstract for conference › Research
- 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
- 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-S207Research output: Contribution to journal › Conference abstract in journal › Research
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Komparative studier af hvid- og rødblodede antarktiske fisks fysiologi og kardiovasculære anatomi.
Steffensen, John Fleng, 2008, Dansk Ekspeditionsfond - Galathea 3 2006-2007. 1. ed. Dansk Ekspeditionsfond Galathea 3 og Thaning & Appel, p. 200-204Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
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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
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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. S213Research output: Contribution to journal › Conference abstract in journal › Research
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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. 951-956Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 197-204Research output: Contribution to journal › Journal article › Research › peer-review
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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. 227-241Research output: Contribution to journal › Journal article › Research › peer-review
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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. 957-969Research output: Contribution to journal › Journal article › Research › peer-review
- 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
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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
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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. 103-108Research output: Contribution to journal › Journal article › Research › peer-review
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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
- 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
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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
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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
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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
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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
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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. 178-182Research output: Contribution to journal › Journal article › Research › peer-review
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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
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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
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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
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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
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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
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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
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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
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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
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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
- 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. 167-174Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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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
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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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Embryonic suckling and maternal specializations in the live-bearing teleost Zoarces viviparus
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Fast-starting after a breath: air-breathing motions are kinematically similar to escape responses in the catfish Hoplosternum littorale
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Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla)
Research output: Contribution to journal › Journal article › Research › peer-review
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