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La modélisation des réseaux écologiques par les graphes paysagers

Abstract : Issues related to landscape changes and loss of biodiversity have emphasized the concept of ecological network. In its spatial meaning, an ecological network is a set of habitat patches linked by ecological fluxes. Since landscape graphs have recently appeared as efficient methods to model the ecological networks, the aim of this paper is to make a review of these approaches. First, the context in which landscape graphs are used is presented, opposing the habitat approach vs the species approach. Then the steps required to build these graphs are described, from the identification of patches and links, to the computation of connectivity metrics. Finally the available software tools are listed. This paper ends with a discussion focused on the relevance of these methods in the aim of mapping the ecological networks.
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Contributor : Théoriser Et Modéliser Pour Aménager (umr 6049) Université de Bourgogne Franche-Comté <>
Submitted on : Monday, March 4, 2013 - 3:16:46 PM
Last modification on : Friday, April 2, 2021 - 3:38:50 AM


  • HAL Id : hal-00796590, version 1


Jean-Christophe Foltête, Céline Clauzel, Xavier Girardet, Pierline Tournant, Gilles Vuidel. La modélisation des réseaux écologiques par les graphes paysagers. Revue Internationale de Géomatique, Lavoisier, 2012, 22 (4), pp.641-658. ⟨hal-00796590⟩



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