{"id":44229,"date":"2024-10-23T16:41:31","date_gmt":"2024-10-23T14:41:31","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=article-foret-nature&#038;p=44229"},"modified":"2024-10-23T16:41:31","modified_gmt":"2024-10-23T14:41:31","slug":"le-blaireau-pour-tester-un-modele-de-liaison-ecologique","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/le-blaireau-pour-tester-un-modele-de-liaison-ecologique\/","title":{"rendered":"Le Blaireau pour tester un mod\u00e8le de liaison \u00e9cologique"},"content":{"rendered":"<p>Le r\u00e9seau \u00e9cologique est l\u2019ensemble des milieux qui permettent d\u2019assurer la conservation \u00e0 long terme des esp\u00e8ces sauvages sur un territoire. Leur r\u00f4le est de permettre la dispersion de la faune et de la flore sauvages. Ils constituent une tentative de r\u00e9ponse aux probl\u00e8mes de fragmentation et d\u2019isolement des \u00e9cosyst\u00e8mes. Dans le cadre d\u2019un m\u00e9moire de fin d\u2019\u00e9tudes, il a \u00e9t\u00e9 demand\u00e9 de d\u00e9velopper une approche m\u00e9thodologique pour l\u2019analyse des r\u00e9seaux \u00e9cologiques en milieu p\u00e9riurbain. Cet article brosse les principes des m\u00e9thodes utilis\u00e9es pour l\u2019\u00e9valuation des liaisons \u00e9cologiques et d\u00e9taille ensuite la mod\u00e9lisation de la liaison entre la For\u00eat de Soignes et le Bois de Hal pour le blaireau. Les m\u00e9thodes utilis\u00e9es sont de deux ordres : la premi\u00e8re, bas\u00e9e sur l\u2019affectation aux plans de secteur, vise \u00e0 d\u00e9terminer une situation durable pour la liaison \u00e9cologique, la seconde, bas\u00e9e sur l\u2019occupation r\u00e9elle du sol, vise \u00e0 en \u00e9valuer l\u2019efficacit\u00e9. Le blaireau (Meles meles) a \u00e9t\u00e9 choisi pour diff\u00e9rentes raisons : tr\u00e8s sensible \u00e0 la fragmentation de l\u2019habitat, son mode de dispersion est p\u00e9destre et il est toujours consid\u00e9r\u00e9 comme une esp\u00e8ce menac\u00e9e en R\u00e9gion flamande et partiellement prot\u00e9g\u00e9e en R\u00e9gion wallonne. Il est en outre absent de la For\u00eat de Soignes et du Bois de Hal mais la pr\u00e9sence de quelques individus errants a \u00e9t\u00e9 signal\u00e9e ces derni\u00e8res ann\u00e9es dans les environs. Des habitats potentiels pour le blaireau sont pr\u00e9sents en For\u00eat de Soignes et dans le Bois de Hal. L\u2019article d\u00e9taille ensuite les r\u00e9sultats de la mod\u00e9lisation, les probl\u00e8mes majeurs rencontr\u00e9s et les solutions possibles. Il apporte des id\u00e9es pour optimiser les m\u00e9thodes utilis\u00e9es mais conclut sur une note plus n\u00e9gative concernant les cons\u00e9quences de l\u2019urbanisation braban\u00e7onne : l\u2019isolement pratiquement irr\u00e9versible de la For\u00eat de Soignes, devenue une sorte d\u2019\u00eelot, emprisonn\u00e9 dans un paysage qui lui est hostile. [B.C.]<\/p>","protected":false},"excerpt":{"rendered":"<p>Le r\u00e9seau \u00e9cologique est l\u2019ensemble des milieux qui permettent d\u2019assurer la conservation \u00e0 long terme des esp\u00e8ces sauvages sur un territoire. Leur r\u00f4le est de permettre la dispersion de la faune et de la flore sauvages. Ils constituent une tentative de r\u00e9ponse aux probl\u00e8mes de fragmentation et d\u2019isolement des \u00e9cosyst\u00e8mes. Dans le cadre d\u2019un m\u00e9moire [&hellip;]<\/p>","protected":false},"featured_media":0,"template":"","categories":[49],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le Blaireau pour tester un mod\u00e8le de liaison \u00e9cologique - For\u00eat.Nature<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/foretnature.be\/en\/article-foret-nature\/le-blaireau-pour-tester-un-modele-de-liaison-ecologique\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le Blaireau pour tester un mod\u00e8le de liaison \u00e9cologique - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Le r\u00e9seau \u00e9cologique est l\u2019ensemble des milieux qui permettent d\u2019assurer la conservation \u00e0 long terme des esp\u00e8ces sauvages sur un territoire. Leur r\u00f4le est de permettre la dispersion de la faune et de la flore sauvages. Ils constituent une tentative de r\u00e9ponse aux probl\u00e8mes de fragmentation et d\u2019isolement des \u00e9cosyst\u00e8mes. 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