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Allometric scaling of intraspecific space use

Abstract : Allometric scaling relationships enable exploration of animal space-use patterns , yet interspecific studies cannot address many of the underlying mechanisms. We present the first intraspecific study of home range (HR) allo-metry relative to energetic requirements over several orders of magnitude of body mass, using as a model the predatory fish, pike Esox lucius. Analogous with interspecific studies, we show that space use increases more rapidly with mass (exponent ¼ 1.08) than metabolic scaling theories predict. Our results support a theory that suggests increasing HR overlap with body mass explains many of these differences in allometric scaling of HR size. We conclude that, on a population scale, HR size and energetic requirement scale allometrically, but with different exponents.
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Submitted on : Tuesday, May 10, 2016 - 9:46:33 AM
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Carolyn M. Rosten, Rodolphe E. Gozlan, Martyn C. Lucas. Allometric scaling of intraspecific space use. Biology Letters, Royal Society, The, 2016, 12 (3), ⟨10.1098/rsbl.2015.0673⟩. ⟨hal-01313541⟩



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