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Space-use scaling and home range overlap in primates

Pearce, Fiona; Carbone, Chris; Cowlishaw, Guy; Isaac, Nick J.B.. 2013 Space-use scaling and home range overlap in primates. Proceedings of the Royal Society B: Biological Sciences, 280 (1751), 20122122. 6, pp. 10.1098/rspb.2012.2122

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Abstract/Summary

Space use is an important aspect of animal ecology, yet our understanding is limited by a lack of synthesis between interspecific and intraspecific studies. We present analyses of a dataset of 286 estimates of home range overlap from 100 primate species, with comparable samples for other space use traits. To our knowledge, this represents the first multispecies study using overlap data estimated directly from field observations. We find that space use traits in primates are only weakly related to body mass, reflecting their largely arboreal habits. Our results confirm a theory that home range overlap explains the differences in allometric scaling between population density and home range size. We then test a suite of hypotheses to explain home range overlap, both among and within species. We find that overlap is highest for larger-bodied species living in large home ranges at high population densities, where annual rainfall is low, and is higher for arboreal than terrestrial species. Most of these results are consistent the economics of resource defence, although the predictions of one specific theory of home range overlap are not supported. We conclude that home range overlap is somewhat predictable but the theoretical basis of animal space use remains patchy.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1098/rspb.2012.2122
Programmes: CEH Topics & Objectives 2009 - 2012 > Biodiversity
CEH Sections: Pywell
ISSN: 0962-8452
Additional Keywords: allometry, body mass, mammal, metabolic theory, population density, gas model
NORA Subject Terms: Ecology and Environment
Zoology
Date made live: 29 Nov 2012 12:06
URI: http://nora.nerc.ac.uk/id/eprint/20623

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