{ "currentVersion": 11.1, "cimVersion": "3.1.0", "id": 23, "name": "Corridors écologiques défavorables boisements non alluviaux", "type": "Feature Layer", "description": "Cette couche résulte d'une interprétation des modélisations de dispersion des logiciels BioDispersal et Graphab. La sélection des corridors surfaciques est effectuée à partir des jeux de liens Graphab compilés par sous-trame.Les corridors écologiques ont été réalisés comme suit : - Pour les corridors écologiques favorables, sélection du polygone de l'occupation du sol lorsque celui-ci est favorable aux déplacements des espèces ou mise en place d'un tampon de 200m dans le cas contraire. - Pour les corridors écologiques passables, sélection du polygone de l'occupation du sol lorsque celui-ci est favorable aux déplacements des espèces ou mise en place d'un tampon de 300m dans le cas contraire. - Pour les corridors écologiques défavorables, sélection du polygone de l'occupation du sol lorsque celui-ci est favorable aux déplacements des espèces ou mise en place d'un tampon de 600m dans le cas contraire.La table attributaire est construite sur la base du standard CNIG (Conseil National de l'Information Géolocalisée) relatif aux continuités écologiques régionales. (https://cnig.gouv.fr/IMG/documents_wordpress/2018/10/181001_Standard_CNIG_CER_v2018.pdf)Les ajouts de la table attributaire nécessitant une explication sont : - 'QUALI_CORR' qui indique la qualité du corridor écologique - 'CODE_QUALI' qui est un code en lien avec le champ 'QUALI_CORR' - 'SITENAME', 'SITE_CODE' et 'Type_site' sont des champs liés à une présence d'un zonage environnemental'Concernant les corridors écologiques défavorables, ne pas les prendre en compte lorsque que ceux-ci sont en superposition avec des corridors écologiques favorables ou passables. L'objectif principal de ces corridors écologiques est de mettre en avant des zones n'ayant pas de corridors fonctionnels mais qui pourrait le devenir en cas de restauration des habitats de ceux-ci. 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