Oecologia

, Volume 52, Issue 1, pp 49–56 | Cite as

Ecological correlates of anuran exercise physiology

  • Theodore L. Taigen
  • Sharon B. Emerson
  • F. Harvey Pough
Article

Summary

Studies of exercise physiology of anuran amphibians have led to the suggestion that there is a dichotomy between species that depend upon movement to escape from predators and species that utilize static defenses. This generalization has been based upon a limited taxonomic survey and it contrasts with morphological, ecological, and behavioral studies that have revealed diverse and complex interrelationships among these features of anuran biology. We tested the hypothesis of a dichotomy of physiological types among anurans by measuring aerobic and anaerobic metabolism during maximum exercise for 17 species representing seven families and a variety of ecological types and locomotor modes. All degrees of dependence upon aerobic and anaerobic power input were found among the 17 species and the variation did not follow phylogenetic divisions. No single, simple prediction of the predominant source of power utilized for activity by the anurans we studied is possible. Predator avoidance behavior was not significantly correlated with the metabolic pattern. Predatory mode (active versus passive searchers) and mode of locomotion (non-jumpers versus jumpers) were correlated with dependence upon aerobic energy production and with each other. Reproductive behavior is probably another associated factor. The diversity of modes of power input among anurans is great and is intimately linked with numerous features of a species' biology. Single-factor explanations of this physiological characteristic are not appropriate.

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Copyright information

© Springer-Verlag 1982

Authors and Affiliations

  • Theodore L. Taigen
    • 1
  • Sharon B. Emerson
    • 2
  • F. Harvey Pough
    • 3
  1. 1.Section of Ecology and Systematics, Langmuir LaboratoryCornell UniversityIthaca
  2. 2.Department of BiologyUniversity of Illinois at Chicago CircleChicagoUSA
  3. 3.Section of Ecology and Systematics, Langmuir LaboratoryCornell UniversityIthacaUSA

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