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Modélisation des déplacements d'animaux dans un espace géographique - analyse et simulation

Laurence Jolivet 1 
1 COGIT - Cartographie et Géomatique
LaSTIG - Laboratoire des Sciences et Technologies de l'Information Géographique
Abstract : Finding compromises between human development and wildlife protection is one concern of society. Taking into account animal movements in planning projects requires some knowledge on species behaviours and on what determines their localizations and their habitat places. Our goal is to be able to represent animal movements on an accurate geographical space in order to simulate and to evaluate the consequences of planning decisions.We first analysed how the features of the landscape influence movements from collected localizations on animals, for example GPS tracks (studies of ELIZ, ANSES, ONCFS, INRA) and from data describing space such as BD TOPO®. The studied cases are about several types of environment and three species: red fox, roe deer and red deer. We found some results that confirm the role played by the spatial features, depending on the studied cases. For instance in a periurban environment, foxes seem to be more in wooded patches and in places with few human activities during some parts of the day (squares, areas with industrial or commercial activities, sides of railways). In a forested environment, deers are more likely to be influenced by slope and forest stands.Thanks to knowledge from data analyses and to literature, we defined a simulation model for animal movements. We implemented it in the GeOxygene platform. The trajectories are built with an agent approach by taking into account the spatial behaviour of the species and the influence of elements that favour or hinder movements. We proposed a critical view of the modelling choices and some improvements from the comparison with observations and experts advices. Then, scenarios with infrastructures are defined so that to identify their impact and their efficiency.
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Submitted on : Tuesday, December 2, 2014 - 2:27:39 PM
Last modification on : Wednesday, May 5, 2021 - 10:34:53 AM
Long-term archiving on: : Tuesday, March 3, 2015 - 1:13:57 PM


  • HAL Id : tel-01089808, version 1



Laurence Jolivet. Modélisation des déplacements d'animaux dans un espace géographique - analyse et simulation. Géographie. Université Paris 1 Panthéon-Sorbonne, 2014. Français. ⟨tel-01089808⟩



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