{"id":35513,"date":"2022-05-10T13:16:11","date_gmt":"2022-05-10T11:16:11","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=35513"},"modified":"2022-05-10T13:16:11","modified_gmt":"2022-05-10T11:16:11","slug":"comment-organiser-les-paysages-de-maniere-adequate-pour-la-biodiversite-forestiere","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/comment-organiser-les-paysages-de-maniere-adequate-pour-la-biodiversite-forestiere\/","title":{"rendered":"Comment organiser les paysages de mani\u00e8re ad\u00e9quate pour la biodiversit\u00e9 foresti\u00e8re ?"},"content":{"rendered":"<p>Bien que les for\u00eats repr\u00e9sentent l\u2019\u00e9cosyst\u00e8me terrestre le plus r\u00e9pandu sur Terre, elles ont \u00e9t\u00e9 modifi\u00e9es au cours de l\u2019histoire par l\u2019agriculture et le d\u00e9veloppement de nos infrastructures humaines. Comment, d\u00e8s lors, organiser les paysages de mani\u00e8re ad\u00e9quate et coh\u00e9rente vis-\u00e0-vis de la biodiversit\u00e9 ? Cette \u00e9tude a combin\u00e9 diff\u00e9rents concepts empiriques pour d\u00e9finir des sc\u00e9narios paysagers optimaux pour les esp\u00e8ces foresti\u00e8res.<\/p>\n<p>&nbsp;<\/p>\n<p>Plusieurs \u00e9tudes th\u00e9oriques indiquent en effet que la biodiversit\u00e9 foresti\u00e8re diminue fortement dans les paysages avec moins de 10 \u00e0 30 % d\u2019habitat forestier r\u00e9siduel. Le \u00ab paysage optimal \u00bb propos\u00e9 ici devrait donc contenir au moins 40 % de couverture foresti\u00e8re, cette proportion devenant encore plus importante au niveau des tropiques et dans les paysages dont la matrice non foresti\u00e8re est de mauvaise qualit\u00e9. Ces 40 % de couverture foresti\u00e8re devraient \u00eatre r\u00e9partis comme suit :<br \/>\n10 % organis\u00e9s en une grande parcelle d\u2019un seul tenant,<br \/>\nles 30 % restants r\u00e9partis en plusieurs patchs forestiers de taille plus r\u00e9duite, distribu\u00e9s de fa\u00e7on uniforme dans le paysage ou en plusieurs \u00e9l\u00e9ments arbor\u00e9s semi-naturels jouant le r\u00f4le de corridor \u00e9cologique.<\/p>\n<p>Ces diff\u00e9rentes parcelles doivent \u00eatre int\u00e9gr\u00e9es \u00e0 une matrice globale de haute qualit\u00e9. \u00c9videmment, les for\u00eats existantes ne doivent pas \u00eatre converties en ce \u00ab paysage optimal \u00bb, la priorit\u00e9 \u00e9tant leur pr\u00e9servation. Le paysage doit aussi \u00eatre suffisamment grand pour que 10 % de sa surface r\u00e9pondent aux exigences minimales en termes d\u2019habitat des esp\u00e8ces vivant dans les for\u00eats \u00e9tendues. Les sc\u00e9narios paysagers propos\u00e9s dans cette \u00e9tude repr\u00e9sentent ainsi un compromis optimal entre l\u2019apport de biens et services pour l\u2019humain et la pr\u00e9servation de la majorit\u00e9 de la biodiversit\u00e9 foresti\u00e8re.<\/p>","protected":false},"excerpt":{"rendered":"<p>Bien que les for\u00eats repr\u00e9sentent l\u2019\u00e9cosyst\u00e8me terrestre le plus r\u00e9pandu sur Terre, elles ont \u00e9t\u00e9 modifi\u00e9es au cours de l\u2019histoire par l\u2019agriculture et le d\u00e9veloppement de nos infrastructures humaines. Comment, d\u00e8s lors, organiser les paysages de mani\u00e8re ad\u00e9quate et coh\u00e9rente vis-\u00e0-vis de la biodiversit\u00e9 ? Cette \u00e9tude a combin\u00e9 diff\u00e9rents concepts empiriques pour d\u00e9finir des [&hellip;]<\/p>","protected":false},"featured_media":0,"template":"","categories":[50],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comment organiser les paysages de mani\u00e8re ad\u00e9quate pour la biodiversit\u00e9 foresti\u00e8re ? - 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\/resume-foret-mail\/comment-organiser-les-paysages-de-maniere-adequate-pour-la-biodiversite-forestiere\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comment organiser les paysages de mani\u00e8re ad\u00e9quate pour la biodiversit\u00e9 foresti\u00e8re ? - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Bien que les for\u00eats repr\u00e9sentent l\u2019\u00e9cosyst\u00e8me terrestre le plus r\u00e9pandu sur Terre, elles ont \u00e9t\u00e9 modifi\u00e9es au cours de l\u2019histoire par l\u2019agriculture et le d\u00e9veloppement de nos infrastructures humaines. 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