John Fleng Steffensen

John Fleng Steffensen

Professor

ORCID: 0000-0002-4477-8039

Publication year:
All
101 - 150 out of 233Page size: 50
  1. 2008
  2. Published

    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. 200-204

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

  3. Published

    Plasma FITC-dextran exchange between the primary and secondary circulatory systems in the Atlantic cod, Gadus Morhua.

    Fischer, C. & Steffensen, John Fleng, 2008, In: Fish Physiology & Biochemistry. 34, 3, p. 245-9 4 p.

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

  4. 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

  5. Published

    The parasite fauna of Arctogadus glacialis (Peters) (Gadidae) from western and eastern Greenland

    Køie, M., Steffensen, John Fleng, Møller, Peter Rask & Christiansen, J. S., 2008, In: Polar Biology. 31, 9, p. 1017-1021 5 p.

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

  6. 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

  7. 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

  8. 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

  9. 2009
  10. Published

    Abolition of reflex bradycardia by cardiac vagotomy has no effect on the regulation of oxygen uptake by Atlantic cod in progressive hypoxia

    McKenzie, D. J., Skov, P. V., Taylor, E. W. T., Wang, T. & Steffensen, John Fleng, 2009, In: Comparative Biochemistry and Physiology A. 153, 3, p. 332-8 6 p.

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

  11. Published

    ENERGETIC EXTREMES IN REEF FISH OCCUPYING HARSH HABITATS

    Steffensen, John Fleng, 2009.

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

  12. 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. S140

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

  13. 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

  14. 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

  15. 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

  16. Published

    The role of adrenaline as a modulator of cardiac performance in two Antarctic fishes

    Skov, P. V., Bushnell, P. G., Tirsgaard, B. & Steffensen, John Fleng, 2009, In: Polar Biology. 32, 2, p. 215-223

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

  17. 2010
  18. 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

  19. 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

  20. 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

  21. Published

    Effect of moderate hypoxia at three acclimation temperatures on stress responses in Atlantic cod with different haemoglobin types

    Methling, C., Aluru, N., Vijayan, M. M. & Steffensen, John Fleng, 2010, In: Comparative Biochemistry and Physiology A. 156, 4, p. 485-90 5 p.

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

  22. 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

  23. Published

    Kinematics and energetic benefits of schooling in the labriform fish, striped surfperch Embiotoca lateralis

    Johansen, J. L., Vaknin, R., Steffensen, John Fleng & Domenici, P., 2010, In: Marine Ecology - Progress Series. 420, p. 221-229 9 p.

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

  24. 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

  25. 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

  26. 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

  27. 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

  28. 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

  29. 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

  30. Published

    The accuracy and limitations of a new meter used to measure aqueous carbon dioxide

    Moran, D., Tirsgård, B. & Steffensen, John Fleng, 1 Nov 2010, In: Aquacultural Engineering. 43, 3, p. 101-107 7 p.

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

  31. Published

    Embryonic suckling and maternal specializations in the live-bearing teleost Zoarces viviparus

    Skov, P. V., Steffensen, John Fleng, Sorensen, T. F. & Qvortrup, Klaus, 15 Nov 2010, In: Journal of Experimental Marine Biology and Ecology. 395, 1-2, p. 120-127 8 p.

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

  32. Published

    Hypoxia-induced metastasis model in embryonic zebrafish

    Rouhi, P., Jensen, L. D., Cao, Z., Hosaka, K., Lanne, T., Wahlberg, E., Steffensen, John Fleng & Cao, Y., 1 Dec 2010, In: Nature Protocols (Print). 5, 12, p. 1911-1918 8 p.

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

  33. 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

  34. 2011
  35. 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

  36. 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

  37. Published

    The hypoxia avoidance behaviour of juvenile Atlantic cod (Gadus morhua L.) depends on the provision and pressure level of an O2 refuge

    Herbert, N. A., Skjaeraasen, J. E., Nilsen, T., Salvanes, A. G. V. & Steffensen, John Fleng, 2011, In: Marine Biology. 158, 4, p. 737-746 10 p.

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

  38. Published

    Pop Up Satellite Tags Impair Swimming Performance and Energetics of the European Eel (Anguilla anguilla)

    Methling, C., Tudorache, C., Skov, P. V. & Steffensen, John Fleng, 8 Jun 2011, In: P L o S One. 6, 6, p. e20797

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

  39. 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

  40. 2012
  41. Published

    Aerobic capacity influences the spatial position of individuals within fish schools

    Killen, S. S., Marras, S., Steffensen, John Fleng & McKenzie, D., 2012, In: Proceedings of the Royal Society B: Biological Sciences. 279, 1727, p. 357-364 8 p.

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

  42. 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

  43. Published

    Conservation physiology of marine fishes: advancing the predictive capacity of models

    Jørgensen, C., Peck, M. A., Antognarelli, F., Azzurro, E., Burrows, M. T., Cheung, W. W. L., Cucco, A., Holt, R. E., Huebert, K. B., Marras, S., McKenzie, D., Metcalfe, J., Perez-Ruzafa, A., Sinerchia, M., Steffensen, John Fleng, Teal, L. R. & Domenici, P., 2012, In: Biology Letters. 8, 6, p. 900-903 4 p.

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

  44. Published

    Energetics of swimming of schooling fish

    Steffensen, John Fleng, 2012.

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

  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

  50. Published

    The contribution of air breathing to aerobic scope and exercise performance in the banded knifefish Gymnotus carapo L

    McKenzie, D. J., Steffensen, John Fleng, Taylor, E. W. & Abe, A. S., 2012, In: Journal of Experimental Biology. 215, p. 1323-1330 8 p.

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

  51. Published

    The temperature challenges on cardiac performance in winter-quiescent and migration-stage eels Anguilla anguilla

    Methling, C., Steffensen, John Fleng & Skov, P. V., 2012, In: Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology. 163, 1, p. 66-73 8 p.

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

  52. 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

  53. Published

    Thermal optimum for pikeperch (Sander lucioperca) and the use of ventilation frequency as a predictor of metabolic rate

    Frisk, M., Skov, P. V. & Steffensen, John Fleng, 2012, In: Aquaculture. 324-325, p. 151-157 7 p.

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

  54. 2013
  55. 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

  56. 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

Previous 1 2 3 4 5 Next

ID: 2881