{"id":45041,"date":"2025-02-07T16:35:59","date_gmt":"2025-02-07T15:35:59","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=45041"},"modified":"2025-02-07T16:35:59","modified_gmt":"2025-02-07T15:35:59","slug":"lavenir-sombre-du-hetre-face-aux-changements-climatiques","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/lavenir-sombre-du-hetre-face-aux-changements-climatiques\/","title":{"rendered":"L\u2019avenir sombre du h\u00eatre face aux changements climatiques"},"content":{"rendered":"<p>Comment le h\u00eatre va-t-il se comporter face aux changements climatiques ? Bien que diff\u00e9rents sc\u00e9narios soient possibles, les perspectives pessimistes sont plus probables. C&rsquo;est ce que montre une nouvelle \u00e9tude men\u00e9e par le WSL.<\/p>\n<p>Il ne fait aucun doute que de nombreux arbres ne peuvent plus se r\u00e9tablir apr\u00e8s les ann\u00e9es de s\u00e9cheresse qui les ont fortement mis \u00e0 mal. Ils sont donc plus vuln\u00e9rables aux conditions m\u00e9t\u00e9orologiques extr\u00eames. Un d\u00e9p\u00e9rissement \u00e0 grande \u00e9chelle du h\u00eatre n&rsquo;est donc pas non plus improbable.<\/p>\n<p>Le h\u00eatre perdra certainement en dominance et en surface, non seulement sur les sites marginaux o\u00f9 il ne b\u00e9n\u00e9ficie pas de conditions optimales, mais aussi dans une grande partie de son aire de r\u00e9partition en Europe centrale.<\/p>\n<p>L&rsquo;ampleur des modifications que conna\u00eetra le h\u00eatre et les surfaces qui seront touch\u00e9es d&rsquo;ici la fin du si\u00e8cle d\u00e9pendront de l&rsquo;\u00e9volution des changements climatiques et donc du succ\u00e8s des mesures de r\u00e9duction des \u00e9missions globales de CO\u2082.Il est toutefois certain que le h\u00eatre souffrira m\u00eame si les \u00e9missions de CO\u2082 sont nettement r\u00e9duites et donc si les pr\u00e9visions concernant les changements climatiques sont plut\u00f4t optimistes. Afin de positionner les h\u00eatraies dans les meilleures conditions pour l&rsquo;avenir, l\u2019\u00e9tude recommande d&rsquo;introduire dans les peuplements des essences tol\u00e9rantes \u00e0 la chaleur et \u00e0 la s\u00e9cheresse, comme le ch\u00eane par exemple.<\/p>","protected":false},"excerpt":{"rendered":"<p>Comment le h\u00eatre va-t-il se comporter face aux changements climatiques ? Bien que diff\u00e9rents sc\u00e9narios soient possibles, les perspectives pessimistes sont plus probables. C&rsquo;est ce que montre une nouvelle \u00e9tude men\u00e9e par le WSL. Il ne fait aucun doute que de nombreux arbres ne peuvent plus se r\u00e9tablir apr\u00e8s les ann\u00e9es de s\u00e9cheresse qui les [&hellip;]<\/p>","protected":false},"featured_media":45029,"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\u2019avenir sombre du h\u00eatre face aux changements climatiques - 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\/lavenir-sombre-du-hetre-face-aux-changements-climatiques\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019avenir sombre du h\u00eatre face aux changements climatiques - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Comment le h\u00eatre va-t-il se comporter face aux changements climatiques ? 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