Environmental stressors alter relationships between physiology and behaviour

Killen, S.S. , Marras, S., Metcalfe, N.B. , McKenzie, D.J. and Domenici, P. (2013) Environmental stressors alter relationships between physiology and behaviour. Trends in Ecology and Evolution, 28(11), pp. 651-658. (doi:10.1016/j.tree.2013.05.005)

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Abstract

Although correlations have frequently been observed between specific physiological and behavioural traits across a range of animal taxa, the nature of these associations has been shown to vary. Here we argue that a major source of this inconsistency is the influence of environmental stressors, which seem capable of revealing, masking, or modulating covariation in physiological and behavioural traits. These effects appear to be mediated by changes in the observed variation of traits and differential sensitivity to stressors among phenotypes. Considering that wild animals routinely face a range of biotic and abiotic stressors, increased knowledge of these effects is imperative for understanding the causal mechanisms of a range of ecological phenomena and evolutionary responses to stressors associated with environmental change.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Killen, Dr Shaun and Metcalfe, Professor Neil
Authors: Killen, S.S., Marras, S., Metcalfe, N.B., McKenzie, D.J., and Domenici, P.
College/School:College of Medical Veterinary and Life Sciences > Institute of Biodiversity Animal Health and Comparative Medicine
Journal Name:Trends in Ecology and Evolution
ISSN:0169-5347
ISSN (Online):1872-8383

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