G L Kooyman

Summary

Affiliation: University of California
Country: USA

Publications

  1. doi request reprint Marine mammals and Emperor penguins: a few applications of the Krogh principle
    Gerald Kooyman
    Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California
    Am J Physiol Regul Integr Comp Physiol 308:R96-104. 2015
  2. ncbi request reprint The physiological basis of diving to depth: birds and mammals
    G L Kooyman
    Scripps Institution of Oceanography, University of California, San Diego, La Jolla 92093 0204, USA
    Annu Rev Physiol 60:19-32. 1998
  3. ncbi request reprint Effects of training on forced submersion responses in harbor seals
    P D Jobsis
    Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92093 0204, USA
    J Exp Biol 204:3877-85. 2001
  4. ncbi request reprint Cardiac output and stroke volume in swimming harbor seals
    P J Ponganis
    Physiological Research Laboratory, Scripps Institution of Oceanography, University of California, San Diego
    J Comp Physiol B 160:473-82. 1990
  5. ncbi request reprint Energetics of surface swimming in Brandt's cormorants (Phalacrocorax penicillatus brandt)
    A Ancel
    Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, La Jolla, CA 92093 0204, USA
    J Exp Biol 203:3727-31. 2000
  6. ncbi request reprint Heart rate and plasma lactate responses during submerged swimming and trained diving in California sea lions, Zalophus californianus
    P J Ponganis
    Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, University of California, San Diego, La Jolla 92093 0204, USA
    J Comp Physiol B 167:9-16. 1997
  7. ncbi request reprint The effect of submergence on heart rate and oxygen consumption of swimming seals and sea lions
    T M Williams
    Physiological Research Laboratory, Scripps Institution of Oceanography, La Jolla, CA 92037
    J Comp Physiol B 160:637-44. 1991
  8. ncbi request reprint Diving physiology of birds: a history of studies on polar species
    P J Ponganis
    Center for Marine Biotechnology Biomedicine, Scripps Institution of Oceanography, University of California San Diego, 92093 0204, La Jolla, CA, USA
    Comp Biochem Physiol A Mol Integr Physiol 126:143-51. 2000
  9. ncbi request reprint Myoglobin in pelagic small cetaceans
    M L Dolar
    Scripps Institution of Oceanography, La Jolla, CA 92093 0204, USA
    J Exp Biol 202:227-36. 1999
  10. ncbi request reprint Post-dive blood lactate concentrations in emperor penguins, Aptenodytes forsteri
    P J Ponganis
    Scripps Institution of Oceanography, University of California, San Diego, La Jolla 92093 0204, USA
    J Exp Biol 200:1623-6. 1997

Detail Information

Publications13

  1. doi request reprint Marine mammals and Emperor penguins: a few applications of the Krogh principle
    Gerald Kooyman
    Scripps Institution of Oceanography, University of California, San Diego, La Jolla, California
    Am J Physiol Regul Integr Comp Physiol 308:R96-104. 2015
    ..The most exceptional examples are the small whales that maintain high expiratory flow rates throughout the entire vital capacity, which represents about 90% of their total lung capacity. ..
  2. ncbi request reprint The physiological basis of diving to depth: birds and mammals
    G L Kooyman
    Scripps Institution of Oceanography, University of California, San Diego, La Jolla 92093 0204, USA
    Annu Rev Physiol 60:19-32. 1998
    ..Seals, for example, seldom rely on anaerobic metabolism. Birds, on the other hand, frequently rely on anaerobic metabolism to exploit prey-rich depths otherwise unavailable to them...
  3. ncbi request reprint Effects of training on forced submersion responses in harbor seals
    P D Jobsis
    Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, University of California, San Diego, La Jolla, CA 92093 0204, USA
    J Exp Biol 204:3877-85. 2001
    ..This alteration of the dive response may increase the metabolic efficiency of diving...
  4. ncbi request reprint Cardiac output and stroke volume in swimming harbor seals
    P J Ponganis
    Physiological Research Laboratory, Scripps Institution of Oceanography, University of California, San Diego
    J Comp Physiol B 160:473-82. 1990
    ..The cardiovascular performance of seals at the maximum MO2 we could induce from them is equivalent to that of the domestic goat...
  5. ncbi request reprint Energetics of surface swimming in Brandt's cormorants (Phalacrocorax penicillatus brandt)
    A Ancel
    Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, La Jolla, CA 92093 0204, USA
    J Exp Biol 203:3727-31. 2000
    ..This confirms similar findings in tufted ducks (Aythya fuligula) and supports the hypothesis that increased energy requirements are necessary in these birds during diving to overcome buoyancy and heat loss during submergence...
  6. ncbi request reprint Heart rate and plasma lactate responses during submerged swimming and trained diving in California sea lions, Zalophus californianus
    P J Ponganis
    Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, University of California, San Diego, La Jolla 92093 0204, USA
    J Comp Physiol B 167:9-16. 1997
    ..The aerobic dive limit, calculated with these O2 stores and prior measurements of at-sea metabolic rates of sea lions, is 1.8-2 min, similar to that measured by the change in post-submersion lactate concentration...
  7. ncbi request reprint The effect of submergence on heart rate and oxygen consumption of swimming seals and sea lions
    T M Williams
    Physiological Research Laboratory, Scripps Institution of Oceanography, La Jolla, CA 92037
    J Comp Physiol B 160:637-44. 1991
    ..3 to 3.6 J.m-1.kg-1, and was 2.5-4.0 times the level predicted for similarly-sized salmonids. Despite different modes of propulsion and physiological responses to swimming, these pinnipeds demonstrate similar transport costs...
  8. ncbi request reprint Diving physiology of birds: a history of studies on polar species
    P J Ponganis
    Center for Marine Biotechnology Biomedicine, Scripps Institution of Oceanography, University of California San Diego, 92093 0204, La Jolla, CA, USA
    Comp Biochem Physiol A Mol Integr Physiol 126:143-51. 2000
    ..Current physiological research is focused on factors, such as heart rate and temperature, which potentially affect the diving metabolic rate and duration of aerobic diving...
  9. ncbi request reprint Myoglobin in pelagic small cetaceans
    M L Dolar
    Scripps Institution of Oceanography, La Jolla, CA 92093 0204, USA
    J Exp Biol 202:227-36. 1999
    ..As in other species, the increase in [Mb] during development probably parallels the development of diving capacity...
  10. ncbi request reprint Post-dive blood lactate concentrations in emperor penguins, Aptenodytes forsteri
    P J Ponganis
    Scripps Institution of Oceanography, University of California, San Diego, La Jolla 92093 0204, USA
    J Exp Biol 200:1623-6. 1997
    ..These are the first determinations of post-dive lactate concentrations in any free-diving bird and are currently the only physiological assessment of an ADL in an avian species...
  11. ncbi request reprint Energetic cost of foraging in free-diving emperor penguins
    K A Nagy
    Department of Organismic Biology, Ecology, and Evolution, University of California, Los Angeles, CA 90095 1606, USA
    Physiol Biochem Zool 74:541-7. 2001
    ..9 x BMR). The allometric relationship for FMR in eight penguin species, including the smallest and largest living representatives, is kJ d(-1)=1,185 kg(0.705)...
  12. ncbi request reprint Prey ingestion revealed by oesophagus and stomach temperature recordings in cormorants
    A Ancel
    Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, La Jolla, CA 92093 0204, USA
    J Exp Biol 200:149-54. 1997
    ..g. doubly labelled water, heart rate) and determination of position (e.g. Argos transmitter, time/depth recorder), should provide further important insights into the foraging success of marine endotherms...
  13. ncbi request reprint Fuel homeostasis in the harbor seal during submerged swimming
    R W Davis
    Physiological Research Laboratory, Scripps Institution of Oceanography, La Jolla, CA 92037
    J Comp Physiol B 160:627-35. 1991
    ..However, the oxidation rate increased almost 3.5-fold and accounted for 85% of the turnover.(ABSTRACT TRUNCATED AT 250 WORDS)..