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Metabolic coping strategies in cold tolerant reptiles

Authors
Journal
Journal of Thermal Biology
0306-4565
Publisher
Elsevier
Publication Date
Volume
6
Issue
4
Identifiers
DOI: 10.1016/0306-4565(81)90021-8
Keywords
  • Metabolism
  • Metabolic Cold Adaptation
  • Acclimation
  • Temperature
  • Q10
  • Thermal Niche
  • Eurythermy
  • Cold Tolerance
  • Reptiles
  • Lizards
  • Snakes
Disciplines
  • Biology
  • Ecology

Abstract

Abstract The reality of metabolic cold adaptation in ectotherms is disputed. Reptiles differ in many important aspects of their thermal ecology from aquatic ectotherms, and their thermophysiology is therefore difficult to analyze in conventional terms. Evidence is presented in support of the view that both phenotypic metabolic cold acclimation and genotypic metabolic cold adaptation are important coping strategies in cold tolerant reptiles. Functional explanations of these paradoxical adaptations are discussed in the light of a multidimensional energetic model of the reptilian thermal niche.

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