A comparison between point- and semi-continuous sampling for assessing body temperature in a free-ranging ectotherm

Emily N. Taylor, Dale Denardo, Michael A. Malawy

Research output: Contribution to journalArticle

31 Scopus citations

Abstract

We used intracoelomically implanted temperature dataloggers to obtain semi-continuous body temperature data and establish monthly thermal profiles for free-ranging rattlesnakes. We mimicked random and non-random point-sampling methods by selecting a single daily data point from all values or from restricted times of day to reflect common point-sampling constraints. Thermal profiles generated from point-sampling differed from those generated from semi-continuous sampling, and this difference was more apparent when point-sampling was non-random. We conclude that semi-continuous sampling provides a better estimate of thermal profiles, and that point-sampling methods are highly sensitive to deviations from true randomness.

Original languageEnglish (US)
Pages (from-to)91-96
Number of pages6
JournalJournal of Thermal Biology
Volume29
Issue number2
DOIs
StatePublished - Feb 2004

Keywords

  • Body temperature
  • Crotalus atrox
  • Ectotherm
  • IButton
  • Point-sampling
  • Rattlesnake
  • Reptile
  • Semi-continuous sampling
  • Telemetry

ASJC Scopus subject areas

  • Biochemistry
  • Physiology
  • Agricultural and Biological Sciences(all)
  • Developmental Biology

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