The behavior-physiology nexus : behavioral and physiological compensation are relied on to different extents between seasons

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dc.contributor.authorBasson, Christine H.en_ZA
dc.contributor.authorClusella-Trullas, Susanaen_ZA
dc.date.accessioned2016-08-26T13:42:22Z
dc.date.available2016-08-26T13:42:22Z
dc.date.issued2015
dc.descriptionCITATION: Basson, C. H. & Clusella-Trullas, S. 2015. The behavior-physiology nexus : behavioral and physiological compensation are relied on to different extents between seasons. Physiological and Biochemical Zoology, 88(4):384–394, doi:10.1086/682010.
dc.descriptionThe original publication is available at http://www.journals.uchicago.edu/toc/pbz/current
dc.description.abstractEnvironmental variability occurring at different timescales can significantly reduce performance, resulting in evolutionary fitness costs. Shifts in thermoregulatory behavior, metabolism, and water loss via phenotypic plasticity can compensate for thermal variation, but the relative contribution of each mechanism and how they may influence each other are largely unknown. Here, we take an ecologically relevant experimental approach to dissect these potential responses at two temporal scales: weather transients and seasons. Using acclimation to cold, average, or warm conditions in summer and winter, we measure the direction and magnitude of plasticity of resting metabolic rate (RMR), water loss rate (WLR), and preferred body temperature (Tpref) in the lizard Cordylus oelofseni within and between seasons. In summer, lizards selected lower Tpref when acclimated to warm versus cold but had no plasticity of either RMR or WLR. By contrast, winter lizards showed partial compensation of RMR but no behavioral compensation. Between seasons, both behavioral and physiological shifts took place. By integrating ecological reality into laboratory assays, we demonstrate that behavioral and physiological responses of C. oelofseni can be contrasting, depending on the timescale investigated. Incorporating ecologically relevant scenarios and the plasticity of multiple traits is thus essential when attempting to forecast extinction risk to climate change.en_ZA
dc.description.urihttp://www.journals.uchicago.edu/doi/full/10.1086/682010
dc.description.versionPublisher's version
dc.format.extent11 pages
dc.identifier.citationBasson, C. H. & Clusella-Trullas, S. 2015. The behavior-physiology nexus : behavioral and physiological compensation are relied on to different extents between seasons. Physiological and Biochemical Zoology, 88(4):384–394, doi:10.1086/682010.
dc.identifier.issn1537-5293 (online)
dc.identifier.issn1522-2152 (print)
dc.identifier.otherdoi:10.1086/682010
dc.identifier.urihttp://hdl.handle.net/10019.1/99492
dc.language.isoen_ZAen_ZA
dc.publisherUniversity of Chicago Press Journals
dc.rights.holderUniversity of Chicago
dc.subjectMetabolismen_ZA
dc.subjectWater balanceen_ZA
dc.subjectPhenotypic plasticityen_ZA
dc.subjectEctothermen_ZA
dc.titleThe behavior-physiology nexus : behavioral and physiological compensation are relied on to different extents between seasonsen_ZA
dc.typeArticleen_ZA
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