{"id":39198,"date":"2023-03-20T09:54:10","date_gmt":"2023-03-20T08:54:10","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=39198"},"modified":"2023-03-20T09:54:10","modified_gmt":"2023-03-20T08:54:10","slug":"limportance-du-bois-mort","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/limportance-du-bois-mort\/","title":{"rendered":"L\u2019importance du bois mort"},"content":{"rendered":"<p>En moyenne, dans les for\u00eats allemandes, on trouve presque 21 m\u00b3 de bois mort par hectare. Dans un contexte de crise \u00e9nerg\u00e9tique, certains se demandent pourquoi le laisser en for\u00eat, plut\u00f4t que de le convertir en bois de chauffage. C\u2019est qu\u2019il constitue un support de vie et une source de nourriture pour plusieurs milliers d\u2019esp\u00e8ces ! Tant la faune, la flore, et les champignons en d\u00e9pendent. <\/p>\n<p>Ainsi, le Dr Heinz Bu\u00dfler, de l\u2019institut bavarois pour la for\u00eat et la sylviculture (Bayerische Landesanstalt f\u00fcr Wald und Forstwirtschaft), estime \u00e0 plus de 8000 le nombre d\u2019esp\u00e8ces foresti\u00e8res qui b\u00e9n\u00e9ficient du bois mort. Ce dernier est \u00e9galement d\u2019une importance capitale pour la r\u00e9g\u00e9n\u00e9ration de la for\u00eat et les jeunes plants, car les nutriments qu\u2019il contient finissent, au fur et \u00e0 mesure du temps et de la d\u00e9composition du bois, par \u00eatre r\u00e9int\u00e9gr\u00e9s au sol. <\/p>\n<p>Pour d\u00e9terminer les quantit\u00e9s de bois mort \u00e0 laisser en for\u00eat, on peut se focaliser sur certaines esp\u00e8ces qui en d\u00e9pendent. Des recherches d\u00e9terminent ainsi les quantit\u00e9s de bois d\u00e9p\u00e9rissants n\u00e9cessaires \u00e0 la conservation de ces esp\u00e8ces dites saproxyliques. <\/p>\n<p>Les aspects s\u00e9curitaires et le besoin en bois de chauffage pour la soci\u00e9t\u00e9 sont d\u2019autres facteurs entrant \u00e9galement en ligne de compte. En ce qui concerne l\u2019Allemagne et ses peuplements, le 3\u1d49 inventaire forestier national a montr\u00e9 qu&rsquo;environ la moiti\u00e9 du bois mort est d\u00e9j\u00e0 en d\u00e9composition progressive, tandis que l&rsquo;autre moiti\u00e9 est pr\u00e9sente sous forme de rhizomes et de bois mort sur pied ou au sol de plus de 30 cm de diam\u00e8tre. <\/p>","protected":false},"excerpt":{"rendered":"<p>En moyenne, dans les for\u00eats allemandes, on trouve presque 21 m\u00b3 de bois mort par hectare. Dans un contexte de crise \u00e9nerg\u00e9tique, certains se demandent pourquoi le laisser en for\u00eat, plut\u00f4t que de le convertir en bois de chauffage. C\u2019est qu\u2019il constitue un support de vie et une source de nourriture pour plusieurs milliers d\u2019esp\u00e8ces [&hellip;]<\/p>","protected":false},"featured_media":39178,"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>L\u2019importance du bois mort - 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\/limportance-du-bois-mort\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019importance du bois mort - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"En moyenne, dans les for\u00eats allemandes, on trouve presque 21 m\u00b3 de bois mort par hectare. Dans un contexte de crise \u00e9nerg\u00e9tique, certains se demandent pourquoi le laisser en for\u00eat, plut\u00f4t que de le convertir en bois de chauffage. 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