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What shapes intra-specific variation in home range size? A case study of female roe deer

Abstract : Spatial distribution in mammals, and thereby home range size, is influenced by many different factors including body size, sex, age, reproductive status, season, availability of forage, availability of water, fragmentation of landscape, trophic level and intra- and inter-specific competition. Using linear mixed models, we looked for factors shaping the variation in size of spring-summer and winter home ranges for 51 radio-collared adult female roe deer at Trois Fontaines forest, Champagne!Ardenne, France (1996-2005). Home range size of females was larger in winter than in spring!summer, decreased with age, and decreased with increasing quality. Females in low quality areas adjusted the size of their home range to include more patches of habitat so that all female deer obtained similar amounts of food resources (total biomass of 6.7392.34 tons (mean+/-SE) for each home range). Such adjustments of home range size in response to patchiness of resources led to marked between-female variation in home range size. Our results demonstrate that roe deer females have different tactics of habitat use according to spatial variations in habitat quality so that females get similar food resources in highly productive environments such as the Trois Fontaines forest.
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https://hal.inria.fr/inria-00412517
Contributor : Sonia Said <>
Submitted on : Tuesday, September 1, 2009 - 6:33:01 PM
Last modification on : Tuesday, July 20, 2021 - 5:20:06 PM

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  • HAL Id : inria-00412517, version 1

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Sonia Said, Jean-Michel Gaillard, Olivier Widmer, François Débias, G. Bourgoin, et al.. What shapes intra-specific variation in home range size? A case study of female roe deer. Oikos, Nordic Ecological Society, 2009, 118, pp.1299-1306. ⟨inria-00412517⟩

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