John Fleng Steffensen
Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
- 1981
- Published
BLOOD-OXYGEN TRANSPORT IN THE LEMON SHARK
BUSHNELL, P., Steffensen, John Fleng, LUTZ, P. & OIKARI, A., 1981, In: FEDERATION PROCEEDINGS. 3, p. 431-431Research output: Contribution to journal › Conference article › Research › peer-review
- Published
The relative importance of skin oxygen uptake in the naturally buried plaice, Pleuronectes platessa, exposed to graded hypoxia.
Steffensen, John Fleng, Lomholt, J. P. & Johansen, K., 1981, In: Respiratory Physiology & Neurobiology. 44, 3, p. 269-75 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 1982
- Published
Gill ventilation and oxygen extraction during graded hypoxia in 2 ecologically distinct species of flatfish, the flounder (Platichthys flesus) and the plaice (Pleuronectes platessa)
Steffensen, John Fleng, LOMHOLT, J. & JOHANSEN, K., 1982, In: Environmental Biology of Fishes. 7, 2, p. 157-164Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 41-47Research output: Contribution to journal › Journal article › Research › peer-review
- 1983
- Published
Energetic cost of active branchial ventilation in the sharksucker, Echeneis naucrates.
Steffensen, John Fleng & Lomholt, J. P., 1983, In: Journal of Experimental Biology. 103, p. 185-92 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 1984
- Published
An automated swimming respirometer
Steffensen, John Fleng, JOHANSEN, K. & BUSHNELL, P., 1984, In: Comparative Biochemistry and Physiology A. 79, 3, p. 437-440Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 225-235Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Ventilation and oxygen consumption in the hagfish, Myxine glutinosa L.
Steffensen, John Fleng, JOHANSEN, K., SINDBERG, C., Sørensen, J. H. & Møller, J. L., 1984, In: Journal of Experimental Marine Biology and Ecology. 84, 2, p. 173-178Research output: Contribution to journal › Journal article › Research › peer-review
- 1985
- Published
Cutaneous oxygen uptake and its relation to skin blood perfusion and ambient salinity in the plaice, Pleuronectes platessa.
Steffensen, John Fleng & Lomholt, J. P., 1985, In: Comparative Biochemistry and Physiology - Part A: Comparative Physiology. 81, 2, p. 373-5 2 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Transition between Branchial Pumping and Ram Ventilation in Fishes: Energetic Consequences and Dependence on Water Oxygen Tension
Steffensen, John Fleng, 1985, In: Journal of Experimental Biology. 114, p. 141-150Research output: Contribution to journal › Journal article › Research › peer-review
- 1986
- Published
In vivo Observations on a Specialized Microvasculature, the Primary and Secondary Vessels in Fishes
Steffensen, John Fleng, LOMHOLT, J. & VOGEL, W., 1986, In: Acta Zoologica. 67, 4, p. 193-200Research output: Contribution to journal › Journal article › Research › peer-review
- 1987
- 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. 73-79Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Control of red cell volume and pH in trout: Effects of isoproterenol, transport inhibitors, and extracellular pH in bicarbonate/carbon dioxide-buffered media
NIKINMAA, M., Steffensen, John Fleng, TUFTS, B. & RANDALL, D., 1987, In: Journal of Experimental Zoology. Part A: Ecological Genetics and Physiology (Print Edition). 242, 3, p. 273-281Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Coronary ligation reduces maximum sustained swimming speed in Chinook salmon, Oncorhynchus tshawytscha.
Farrell, A. P. & Steffensen, John Fleng, 1987, In: Comparative Biochemistry and Physiology - Part A: Comparative Physiology. 87, 1, p. 35-7 2 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Effect of burst swimming and adrenaline infusion on O2 consumption and CO2 excretion in rainbow trout, Salmo gairdneri.
Steffensen, John Fleng, Tufts, B. L. & Randall, D. J., 1987, In: Journal of Experimental Biology. 131, p. 427-34 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 1989
- Published
Some errors in respirometry of aquatic breathers: How to avoid and correct for them
Steffensen, John Fleng, 1989, In: Fish Physiology & Biochemistry. 6, 1, p. 49-59Research output: Contribution to journal › Journal article › Research › peer-review
- 1990
- Published
Effects of exercise training and coronary ablation on swimming performance, heart size, and cardiac enzymes in rainbow trout, Oncorhynchus mykiss
FARRELL, A., JOHANSEN, J., Steffensen, John Fleng, MOYES, C., WEST, T. & SUAREZ, R., 1990, In: Canadian Journal of Zoology. 68, 6, p. 1174-1179Research output: Contribution to journal › Journal article › Research › peer-review
- 1991
- Published
Fisk foretrækker lavere temperatur under iltsvind
Schurmann, H. & Steffensen, John Fleng, 1991, In: Vand & Miljø. 9, p. 434-437Research output: Contribution to journal › Journal article › Communication
- Published
The influence of Hypoxia on the Preferred Temperature of Rainbow Trout Oncorhynchus mykiss
Schurmann, H., Steffensen, John Fleng & Lomholt, J. F., 1991, In: Journal of Experimental Biology. 157, p. 75-86Research output: Contribution to journal › Journal article › Research › peer-review
- 1992
- Published
Har fisk et lymfekarsystem?
Lomholt, J. P. & Steffensen, John Fleng, 1992, In: Naturens Verden. 1, p. 15-21Research output: Contribution to journal › Journal article › Communication
- Published
Lethal oxygen levels at different temperatures and the preferred temperature during hypoxia of the Atlantic cod Gadus morhua L.
Schurmann, H. & Steffensen, John Fleng, 1992, In: Journal of Fish Biology. 41, 6, p. 927-934Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The effect of hypoxia on the preferred temperature of the rainbow trout, Oncorhynchus mykiss, and the Atlantic cod, Gadus morhua
Steffensen, John Fleng & Schurmann, H., 1992, In: Proc.12th Symp.Baltic Mar.Biol., Helsingør, Denmark. p. 157-162Research output: Contribution to journal › Conference article › Research › peer-review
- Published
The secondary vascular system
Steffensen, John Fleng & Lomholt, J. P., 1992, Fish Physiol., XIIA. Academic Press, p. 185-217Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Ventilatory and respiratory responses in fish: adaptations to environment
Steffensen, John Fleng, 1992, The Vertebrate Gas Transport Cascade: Adaptations to the environment and Mode of Life. CRC Press, p. 60-71Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- 1993
- 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
- Published
The cost of hovering and forward flight in a nectar-feeding bat, Glossophaga soricina, estimated from aerodynamic theory.
Norberg, U. M., Kunz, T. H., Steffensen, John Fleng, Winter, Y. & von Helversen, O., 1993, In: Journal of Experimental Biology. 182, p. 207-27 20 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 1994
- 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. 43-48Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Oxygen consumption in four species of teleosts from Greenland: no evidence of metabolic cold adaptation
Steffensen, John Fleng, Bushnell, P. G. & Schurmann, H., 1994, In: Polar Biology. 14, 1, p. 49-54Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Spontaneous swimming activity of Atlantic cod Gadus morhua exposed to graded hypoxia at three temperatures
Schurmann, H. & Steffensen, John Fleng, 1994, In: Journal of Experimental Biology. 197, p. 129-142Research output: Contribution to journal › Journal article › Research › peer-review
- 1995
- Published
Effects of diet on spontaneous locomotor activity and oxygen consumption in Adriatic sturgeon (Acipenser naccarli)
McKenzie, D. J., Piraccini, G., Steffensen, John Fleng, Bolis, C. L., Bronzi, P. & Taylor, E. W., 1995, In: Fish Physiology & Biochemistry. 14 (5), p. 341-355Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 195-208Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 3-13Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- Published
Effects of diet on spontaneous locomotor activity and oxygen consumption in Adriatic sturgeon (Acipenser naccarii)
McKenzie, D. J., Piraccini, G., Steffensen, John Fleng, Bolis, C. L., Bronzi, P. & Taylor, E. W., Oct 1995, In: Fish Physiology and Biochemistry. 14, 5, p. 341-355 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 1997
- 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. 1166-1180Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 558Research output: Contribution to journal › Conference abstract in journal › Research
- 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. 759-769Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 780-788Research output: Contribution to journal › Journal article › Research › peer-review
- 1998
- 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. 647-654Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 366-376Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 755-770Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 1999
- 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. 265-269Research output: Contribution to journal › Journal article › Research › peer-review
- 2000
- 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. 281-296Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1526-1538Research output: Contribution to journal › Journal article › Research › peer-review
- 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-283PResearch output: Contribution to journal › Conference abstract in journal › Research
- 2001
- 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. 531Research output: Contribution to journal › Conference abstract in journal › Research
- 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. 818-823Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 818-823Research output: Contribution to journal › Journal article › Research › peer-review
- 2002
- 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
- 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
- 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. 342-349Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1307Research output: Contribution to journal › Conference abstract in journal › Research
- 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
- 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
- 2003
- Published
Cod could face a breathless future: Inside JEB
Petersen, M. F. & Steffensen, John Fleng, 2003, In: Journal of Experimental Biology. 206, p. 211Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 365-370Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 398-409Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Fiskenes sekundære cirkulationssystem
Skov, P. V. & Steffensen, John Fleng, 2003, In: Naturens Verden. 10, p. 14-19Research output: Contribution to journal › Journal article › Communication
- 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
- 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
- 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
- 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
- 2004
- Published
Escape performance in three teleosts from West Greenland
Jordan, Anders Drud, Steffensen, John Fleng & Herbert, N. A., 2004, In: Polar Biology. 28, p. 164-167Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 748-752Research output: Contribution to journal › Journal article › Research › peer-review
- 2005
- 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. S213Research output: Contribution to journal › Conference abstract in journal › Research
- 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. 411-416Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 32-37Research output: Chapter in Book/Report/Conference proceeding › Report chapter › Research
- Published
Oxygen conditions in fish schools
Steffensen, John Fleng, 2005, In: Comparative Biochemistry and Physiology A. 3, p. S167Research output: Contribution to journal › Conference abstract in journal › Research
- 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. S99Research output: Contribution to journal › Conference abstract in journal › Research
- 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
- 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. S213Research output: Contribution to journal › Conference abstract in journal › Research
- 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
- 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
- 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
- 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. 1403-1412Research output: Contribution to journal › Journal article › Research › peer-review
- 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. S171Research output: Contribution to journal › Conference article › Research › peer-review
- 2006
- 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. 103-108Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Fiskene i de danske farvande
Steffensen, John Fleng, 2006, HAVET: Naturen i Danmark. Fenchel, T. (ed.). Gyldendal, p. 255-310Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication
- 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. 1612-1625Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 44-52Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1217-1225Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Metabolic aspects of torpor in hummingbirds
Bech, C. & Steffensen, John Fleng, 2006, In: Tung wu hsüeh pao. 52(Suppl.), p. 397-400Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 208-216Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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. 951-956Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 2007
- 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
- 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
- Published
Oxygen consumption of fish exposed to hypoxia: Are they all oxyregulators or are any oxyconformers?
Steffensen, John Fleng, 2007, Fish Physiology, Toxicology, and Water Quality: Proceedings of the Ninth International Symposium, Capri, Italy, April 24-28, 2006. Brauner, C. J., Suvajdzic, K., Nilsson, G. & Randall, D. (eds.). Ecosystems Research Divison Athens, Georgia, p. 239-244Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 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
- Published
Swimming alters responses to hypoxia in the Adriatic sturgeon Acipenser naccarii
McKenzie, D. J., Steffensen, John Fleng, Korsmeyer, K., Whiteley, N. M., Bronzi, P. & Taylor, E. W., 2007, In: Journal of Fish Biology. 70, p. 651-658Research output: Contribution to journal › Journal article › Research › peer-review
- Published
The Effect of Ration Size and Hypoxia on Specific Dynamic Action in the Cod
Jordan, Anders Drud & Steffensen, John Fleng, 2007, In: Physiological and Biochemical Zoology. 80, 2, p. 178-185Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 1365-1377Research output: Contribution to journal › Journal article › Research › peer-review
- 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. 957-969Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Vascular arrangement and ultrastructure of the European eelpout Zoarces viviparus ovary: implications for maternal-embryonic exchange.
Skov, P. V., Sørensen, T. F., Ramløv, H. & Steffensen, John Fleng, 2007, In: Anatomical Record-Advances in Integrative Anatomy and Evolutionary Biology. 290, 12, p. 1500-7 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2008
- Published
Does autonomic regulation of heart rate optimise oxygen uptake in teleost fishes?
McKenzie, D., Taylor, E., Wang, T., Skov, P. V., Steffensen, John Fleng, Campbell, H., Leite, C. & Abe, A., 2008, In: Comparative Biochemistry and Physiology - Part A: Comparative Physiology. 150, 3, Supplement, p. S117 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Effect of ammonia on weatherloach (Misgurnus anguillicaudatus) metabolism under aquatic and aerial conditions
Silva, J. M., Coimbra, J., Steffensen, John Fleng & Wilson, J., 2008, In: Comparative Biochemistry and Physiology A. 150, 3, Supplement 1, p. S120 1 p., A6.21.Research output: Contribution to journal › Conference abstract in journal › Research
ID: 2881
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Embryonic suckling and maternal specializations in the live-bearing teleost Zoarces viviparus
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1732
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Fast-starting after a breath: air-breathing motions are kinematically similar to escape responses in the catfish Hoplosternum littorale
Research output: Contribution to journal › Journal article › Research › peer-review
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1673
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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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