John Fleng Steffensen
Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
- 2013
- Published
Active predation by Greenland shark Somniosus microcephalus
Nielsen, J., hedeholm, R., Simon, M. & Steffensen, John Fleng, 2013.Research output: Contribution to conference › Conference abstract for conference › Research
- 2012
- Published
AquaResp® - free open-source software for measuring oxygen consumption of resting aquatic animals
Steffensen, John Fleng, 2012.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Energetics of swimming of schooling fish
Steffensen, John Fleng, 2012.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Fast-starting for a breath: Air breathing in Hoplosternum littorale
Steffensen, John Fleng, 2012. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Fish positions relative to neighbours modulate the hydrodynamic advantages of schooling
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
Partition of aerobic and anaerobic swimming costs and their correlation to tail-beat frequency and burst activity in Sparus aurata
Steffensen, John Fleng, 2012.Research output: Contribution to conference › Conference abstract for conference › Research
- 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
- 2010
- Published
A MODEL OF OXYGEN CONDITIONS IN A SCHOOL OF FISH BASED ON EXPERIMENTAL RESPIROMETRY
Steffensen, John Fleng, 2010.Research output: Contribution to conference › Conference abstract for conference › Research
- 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
- Published
ENERGETIC EXTREMES IN A HOSTILE HABITAT: FISH LOCOMOTION ON WAVE-SWEPT CORAL REEFS
Steffensen, John Fleng, 2010.Research output: Contribution to conference › Conference abstract for conference › Research
- 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
- Published
RELATION BETWEEN STRESS COPING STYLE, LARVAL DEVELOPMENT AND TIME TO EMERGANCE IN RAINBOW TROUT (ONCORHYNCHUS MYKISS)
Steffensen, John Fleng, 2010.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
SWISTRACK - AN OPEN SOURCE, SOFTWARE PACKAGE APPLICABLE TO TRACKING OF FISH LOCOMOTION AND BEHAVIOUR.
Steffensen, John Fleng, 2010.Research output: Contribution to conference › Conference abstract for conference › Research
- 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
- 2009
- Published
ENERGETIC EXTREMES IN REEF FISH OCCUPYING HARSH HABITATS
Steffensen, John Fleng, 2009.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Larval developmental rate, metabolic rate and future growth performance in Atlantic salmon
Serrano, J. V., Aberg, M., Gjoen, H. M., Steffensen, John Fleng & Hyglund, E., 2009, In: Comparative Biochemistry and Physiology A. 2, Suppl. 1, p. S140Research output: Contribution to journal › Conference abstract in journal › Research
- Published
Physiological energetics may contribute to competitive exclusion in African killifish (Aphyosemion spp.).
McKenzie, D. J., Svendsen, J. C., Steffensen, John Fleng & Agnese, J., 2009, In: Comparative Biochemistry and Physiology A. 2, Supplement 1, p. S150 1 p.Research output: Contribution to journal › Conference abstract in journal › Research
- 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
- Published
Suckling behaviour in a viviparous teleost: role of the post-ovulatory follicle in matemal-embryonic exchange
Skov, P. V., Sørensen, T. & Steffensen, John Fleng, 2008, In: Comparative Biochemistry and Physiology A. 150, 3, Supplement, p. S122 1 p., A6.27.Research output: Contribution to journal › Conference abstract in journal › Research
- Published
The role of adrenaline as a modulator of cardiac performance in three Notothenioid fishes
Skov, P. V., Bushnell, P., Tirsgaard, B. & Steffensen, John Fleng, 2008, In: Comparative Biochemistry and Physiology A. 150, 3, Supplement, p. S97-S98 2 p., A5.3.Research output: Contribution to journal › Conference abstract in journal › 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
- 2007
- 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
- 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
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
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
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
- 2002
- 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
- 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
- 2000
- 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
- 1997
- 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
- 1992
- 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
- 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
ID: 2881
Most downloads
-
2802
downloads
Embryonic suckling and maternal specializations in the live-bearing teleost Zoarces viviparus
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
1721
downloads
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
Published -
1671
downloads
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
Published