Size-dependent heating rates determine the spatial and temporal distribution of small-bodied lizards

G. Herczeg, J. Török, Zoltán Korsós

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

The rate of heat exchange with the environment is of obvious importance in determining the time budget of behavioural thermoregulation in ectotherms. In small reptiles, heating rate depends mainly on their physical characteristics. We analysed the effect of body size, and the possible joint effects originating from shape and colour differences on heating rate in three small-bodied (0.15-20 g) sympatric lizard species. Heating rate was strongly influenced by body size, while no joint effects with the two other factors were detected. We found that the increase in heating rate with decreasing body size accelerated dramatically below a body weight of 2-3 g. We also analysed associations between body size, seasonal activity patterns and thermal characteristics of the sites where lizards were encountered in the field. Differently sized lizards occurred in thermally different sites and differed in their seasonal activity patterns, both within and among species. Smaller (

Original languageEnglish
Pages (from-to)347-356
Number of pages10
JournalAmphibia Reptilia
Volume28
Issue number3
DOIs
Publication statusPublished - Jul 1 2007

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lizard
temporal distribution
lizards
spatial distribution
body size
heating
heat
activity pattern
thermoregulation
reptile
heat transfer
reptiles
rate
body weight
color
effect

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Size-dependent heating rates determine the spatial and temporal distribution of small-bodied lizards. / Herczeg, G.; Török, J.; Korsós, Zoltán.

In: Amphibia Reptilia, Vol. 28, No. 3, 01.07.2007, p. 347-356.

Research output: Contribution to journalArticle

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