{"id":34687,"date":"2021-09-10T13:54:14","date_gmt":"2021-09-10T11:54:14","guid":{"rendered":"https:\/\/foretnature.be\/article-foret-nature\/entre-valorisation-conservation-et-deperissement-la-gestion-de-nos-chenaies-a-la-croisee-des-chemins\/"},"modified":"2024-10-24T10:27:44","modified_gmt":"2024-10-24T08:27:44","slug":"entre-valorisation-conservation-et-deperissement-la-gestion-de-nos-chenaies-a-la-croisee-des-chemins","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/entre-valorisation-conservation-et-deperissement-la-gestion-de-nos-chenaies-a-la-croisee-des-chemins\/","title":{"rendered":"Entre valorisation, conservation et d\u00e9p\u00e9rissement : la gestion de nos ch\u00eanaies \u00e0 la crois\u00e9e des chemins"},"content":{"rendered":"<p>Une crise sanitaire touche les peuplements de ch\u00eane, essentiellement ardennais. Des ph\u00e9nom\u00e8nes de d\u00e9p\u00e9rissement sont observ\u00e9s de plus en plus souvent depuis 2010 pour atteindre aujourd\u2019hui des proportions inqui\u00e9tantes. En Ardenne, en 2014, pr\u00e8s de 40\u202f% des ch\u00eanes p\u00e9doncul\u00e9s \u00e9taient affect\u00e9s par le d\u00e9p\u00e9rissement. Les d\u00e9p\u00e9rissements sont provoqu\u00e9s par un ensemble de stress biotiques ou abiotiques, simultan\u00e9s ou s\u00e9quentiels. La sylviculture joue probablement \u00e9galement un r\u00f4le (inad\u00e9quation avec la station, surface terri\u00e8re trop \u00e9lev\u00e9e\u2026). Mais m\u00eame s\u2019il y a crise, il n\u2019y a pas urgence. Aucune contamination vers des arbres sains n\u2019est observ\u00e9e. Aucune d\u00e9gradation significative du bois n\u2019est observ\u00e9e au cours du d\u00e9prissement ni m\u00eame jusqu\u2019\u00e0 3 ou 4 ans apr\u00e8s la mort de l\u2019arbre. L\u2019exploitation rapide et d\u00e9sordonn\u00e9e des arbres morts n\u2019est pas indispensable, d\u2019autant qu\u2019elle pourrait provoquer plus de d\u00e9g\u00e2ts que le d\u00e9p\u00e9rissement lui-m\u00eame. Les interventions se feront en fonction des enjeux et des objectifs du plan d\u2019am\u00e9nagement, et selon le taux d\u2019arbres touch\u00e9s. Le d\u00e9p\u00e9rissement des ch\u00eanes touche largement des arbres qui n\u2019\u00e9taient pas en station. Toute information est \u00e0 relayer aupr\u00e8s de l\u2019OWSF ou de ses partenaires scientifiques afin d\u2019avancer vers la compr\u00e9hension du ph\u00e9nom\u00e8ne et la meilleure mani\u00e8re de le g\u00e9rer.<\/p>","protected":false},"excerpt":{"rendered":"<p>Une crise sanitaire touche les peuplements de ch\u00eane, essentiellement ardennais. Des ph\u00e9nom\u00e8nes de d\u00e9p\u00e9rissement sont observ\u00e9s de plus en plus souvent depuis 2010 pour atteindre aujourd\u2019hui des proportions inqui\u00e9tantes. En Ardenne, en 2014, pr\u00e8s de 40\u202f% des ch\u00eanes p\u00e9doncul\u00e9s \u00e9taient affect\u00e9s par le d\u00e9p\u00e9rissement. Les d\u00e9p\u00e9rissements sont provoqu\u00e9s par un ensemble de stress biotiques ou [&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>Entre valorisation, conservation et d\u00e9p\u00e9rissement : la gestion de nos ch\u00eanaies \u00e0 la crois\u00e9e des chemins - 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\/entre-valorisation-conservation-et-deperissement-la-gestion-de-nos-chenaies-a-la-croisee-des-chemins\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Entre valorisation, conservation et d\u00e9p\u00e9rissement : la gestion de nos ch\u00eanaies \u00e0 la crois\u00e9e des chemins - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Une crise sanitaire touche les peuplements de ch\u00eane, essentiellement ardennais. Des ph\u00e9nom\u00e8nes de d\u00e9p\u00e9rissement sont observ\u00e9s de plus en plus souvent depuis 2010 pour atteindre aujourd\u2019hui des proportions inqui\u00e9tantes. En Ardenne, en 2014, pr\u00e8s de 40\u202f% des ch\u00eanes p\u00e9doncul\u00e9s \u00e9taient affect\u00e9s par le d\u00e9p\u00e9rissement. 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