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  운영자 2006-08-22 11:15:08 | Hit : 18695 | Vote : 4733
Subject   [자료] The Influence of Landscape Structure on Female Roe Deer Home-range Size (행동권분석 예2)
The Influence of Landscape Structure on Female Roe Deer Home-range Size

Authors: Saïd, Sonia1; Servanty, Sabrina2

Source: Landscape Ecology, Volume 20, Number 8, December 2005, pp. 1003-1012(10)

Publisher: Springer


Abstract:

Animal distribution and abundance are greatly affected by the availability of their food resources, which also depends on landscape structure. Lothar hurricane in 1999 had profoundly modified the structure of the forests in France, affecting the habitat quality of ungulates. We tested whether the variations in home-range size of 23 female roe deer were influenced by the fragmentation of the landscape caused by Lothar in the Chizé forest, namely by the increase in heterogeneity associated with the localized massive tree felling. Home-range size was studied in the summers of 2001 and 2002 and we found that variation in home-range size was mainly explained by only one landscape variable: edge density. Home-range size decreased as edge density increased, which is consistent with the fact that edges are good browsing habitats for roe deer. The result of this study suggests that, after 2 years, the hurricane had improved the quality of the home ranges by creating more forest heterogeneity and increasing the contacts between the different vegetation patches within the home range. These results highlight the fact that spatial heterogeneity is likely to be a key factor influencing the distribution and local population density.
Keywords: Capreolus capreolus; Edge density; Generalized linear mixed model; Landscape structure

Document Type: Research article

DOI: 10.1007/s10980-005-7518-8

Affiliations: 1: CNRS-CEBC, UPR 1934, BP 14 Villiers en Bois, 79360, Beauvoir sur Niort, France, Email: sonia.said@oncfs.gouv.fr 2: CNRS-CEBC, UPR 1934, BP 14 Villiers en Bois, 79360, Beauvoir sur Niort, France,

http://www.ingentaconnect.com/content/klu/land/2005/00000020/00000008/00007518;jsessionid=5dlvg1qp5br24.alice
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