Optimum body sizes at different ambient temperatures: an energetics explanation of bergmann's rule

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49 Scopus citations

Abstract

A model is presented of optimum body sizes at different ambient temperatures. Selection is considered to optimize the difference between foraging profit per time and maintenance energy costs per time, scaled to body size. Two different scaling functions are considered: one maximizes the amount of activity that an individual can perform, and the other maximizes the length of time an individual can survive on the profit gained in a given period of foraging. With both scaling functions, optimum size increases as ambient temperature decreases.

Original languageEnglish (US)
Pages (from-to)579-593
Number of pages15
JournalJournal of theoretical biology
Volume83
Issue number4
DOIs
StatePublished - Apr 21 1980
Externally publishedYes

ASJC Scopus subject areas

  • Statistics and Probability
  • Modeling and Simulation
  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Agricultural and Biological Sciences(all)
  • Applied Mathematics

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