Interpreting rejections of the beneficial acclimation hypothesis: When is physiological plasticity adaptive?

H. Arthur Woods, Jon Harrison

Research output: Contribution to journalArticle

85 Citations (Scopus)

Abstract

Although many studies testing the beneficial acclimation hypothesis have rejected it, what these rejections imply about the adaptive value of physiological change remains unclear. Uncertainty arises because the hypothesis focuses on the relative performance of organisms exposed to one environment versus another, whereas the raw material available to evolution is variation in acclimation responses of individual traits. This mismatch is problematic when organisms are exposed to poor environments. In poor environments, the adaptive or maladaptive value of changes in individual traits may be obscured by long-term decrements in organismal condition. A better match between the evolutionary pressures shaping acclimation and the tests used to examine them can be achieved by focusing on the fitness consequences of acclimation changes in individual traits.

Original languageEnglish (US)
Pages (from-to)1863-1866
Number of pages4
JournalEvolution
Volume56
Issue number9
StatePublished - Sep 1 2002

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Acclimatization
acclimation
plasticity
fitness
organisms
Uncertainty
raw materials
uncertainty
testing
Pressure
organism

Keywords

  • Acclimation
  • Adaptive
  • Beneficial acclimation hypothesis
  • Phenotypic plasticity
  • Physiology

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Ecology, Evolution, Behavior and Systematics
  • Agricultural and Biological Sciences (miscellaneous)
  • Genetics(clinical)
  • Ecology
  • Genetics

Cite this

Interpreting rejections of the beneficial acclimation hypothesis : When is physiological plasticity adaptive? / Woods, H. Arthur; Harrison, Jon.

In: Evolution, Vol. 56, No. 9, 01.09.2002, p. 1863-1866.

Research output: Contribution to journalArticle

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