Thermal physiology

A new dimension of the pace-of-life syndrome

C T Goulet, M B Thompson, M Michelangeli, B B M Wong, D G Chapple

Research output: Contribution to journalArticleResearchpeer-review

15 Citations (Scopus)

Abstract

Current syndrome research focuses primarily on behaviour with few incorporating components of physiology. One such syndrome is the pace-of-life syndrome (POLS) which describes covariation between behaviour, metabolism, immunity, hormonal response, and life-history traits. Despite the strong effect temperature has on behaviour, thermal physiology has yet to be considered within this syndrome framework. We proposed the POLS to be extended to include a new dimension, the cold–hot axis. Under this premise, it is predicted that thermal physiology and behaviour would covary, whereby individual positioning along the thermal continuum would coincide with that of the behavioural continuum. This hypothesis was tested by measuring thermal traits of delicate skinks (Lampropholis delicata) and linking it to their behaviour. Principal components analysis and structural equation modelling were used to determine if traits were structured within the POLS and to characterize the direction of their interactions. Model results supported the inclusion of the cold–hot axis into the POLS and indicated that thermal physiology was the driver of this relationship, in that thermal traits either constrained or promoted activity, exploration, boldness and social behaviour. This study highlights the need to integrate thermal physiology within a syndrome framework.

Original languageEnglish
Pages (from-to)1269-1280
Number of pages12
JournalJournal of Animal Ecology
Volume86
Issue number5
DOIs
Publication statusPublished - 1 Sep 2017

Keywords

  • Behavior
  • Lampropholis
  • lizard
  • optimal performance temperature
  • selected body temperature
  • sprint speed
  • structural equation modelling
  • thermal physiology

Cite this

Goulet, C T ; Thompson, M B ; Michelangeli, M ; Wong, B B M ; Chapple, D G. / Thermal physiology : A new dimension of the pace-of-life syndrome. In: Journal of Animal Ecology. 2017 ; Vol. 86, No. 5. pp. 1269-1280.
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Thermal physiology : A new dimension of the pace-of-life syndrome. / Goulet, C T; Thompson, M B; Michelangeli, M; Wong, B B M; Chapple, D G.

In: Journal of Animal Ecology, Vol. 86, No. 5, 01.09.2017, p. 1269-1280.

Research output: Contribution to journalArticleResearchpeer-review

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