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2012
- ISIDORE Id: 10670/1.2fccf1...
- hal: hal-00736650
- doi: 10.1016/j.landurbplan.2011.12.008
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info:eu-repo/semantics/altIdentifier/doi/10.1016/j.landurbplan.2011.12.008
info:eu-repo/semantics/OpenAccess
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Spatial indexes Landscape connectivity Compact city Fractal city Residential development Spatial simulationSujets proches
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Cécile Tannier et al., « Assessing the capacity of different urban forms to preserve the connectivity of ecological habitats », HAL SHS (Sciences de l’Homme et de la Société), ID : 10.1016/j.landurbplan.2011.12.008
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Résumé
This paper addresses the relationship between anthropogenic forest habitat fragmentation and the form of urban patterns. Using a two-step methodology we first generate 40 theoretical residential development scenarios following a repeatable procedure; the simulated urban forms are either moderately compact or fractal. Then, we compare the scenarios according to the functional connectivity of the remaining forest habitat using a graph-based approach. The methodology is applied to the urban region of Besançon (France), where forest surfaces are considered as a generic habitat for several animal species. Results obtained show that fractal scenarios of residential development are almost equivalent to moderately compact scenarios regarding the connectivity of forest habitat when the residential development is weak. In the case of a more intense residential development, fractal scenarios are superior to nonfractal scenarios when low dispersal distances of animals are concerned.
