{"id":46899,"date":"2026-10-14T15:34:40","date_gmt":"2026-10-14T13:34:40","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=46899"},"modified":"2026-10-14T15:55:36","modified_gmt":"2026-10-14T13:55:36","slug":"gestion-forestiere-et-resilience-aux-incendies","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/gestion-forestiere-et-resilience-aux-incendies\/","title":{"rendered":"Gestion foresti\u00e8re et r\u00e9silience aux incendies : ce que dit la science"},"content":{"rendered":"<p>La for\u00eat europ\u00e9enne a connu de nombreux incendies cet \u00e9t\u00e9 2026. Une synth\u00e8se de la litt\u00e9rature scientifique disponible met en lumi\u00e8re les facteurs \u00e9cologiques qui augmentent la r\u00e9silience des for\u00eats face aux feux.<\/p>\n<p>Premier facteur : la structure. Un peuplement \u00e0 couvert continu et pr\u00e9sentant de multiples \u00e9tages de v\u00e9g\u00e9tation pr\u00e9sente un microclimat humide. Une \u00e9tude r\u00e9alis\u00e9e \u00e0 l\u2019\u00e9chelle mondiale mesure l\u2019effet de tampon thermique exerc\u00e9 par les canop\u00e9es foresti\u00e8res ferm\u00e9es sur les temp\u00e9ratures sous couvert : les for\u00eats refroidissent consid\u00e9rablement le sous-bois pendant les fortes chaleurs, et r\u00e9chauffent le sous-bois pendant les p\u00e9riodes froides. Cet effet de tampon thermique augmente lorsque les temp\u00e9ratures ext\u00e9rieures deviennent extr\u00eames. Une \u00e9tude belge r\u00e9cente fait un constat similaire pour les for\u00eats et pr\u00e9cise que des coupes d\u2019arbres r\u00e9duisant de plus de 50 % le couvert forestier annule l\u2019effet de tampon thermique.<\/p>\n<p>L\u2019\u00e9tude rel\u00e8ve \u00e9galement une id\u00e9e re\u00e7ue, qui attribue au bois mort une responsabilit\u00e9 dans la propagation des incendies. La litt\u00e9rature scientifique d\u00e9montre le contraire. D\u2019ailleurs, deux des sept indicateurs europ\u00e9ens qui quantifient la bonne sant\u00e9 et la r\u00e9silience des for\u00eats concernent le bois mort.<\/p>\n<p>Les recommandations qui ressortent de cette analyse, pour augmenter la robustesse des peuplements forestiers vis-\u00e0-vis des incendies sont :<\/p>\n<ul>\n<li>Favoriser une structure \u00e0 plusieurs \u00e9tages<\/li>\n<li>Proscrire les coupes rases<\/li>\n<li>Augmenter le nombre d\u2019arbres plus \u00e2g\u00e9s, le nombre d\u2019esp\u00e8ces d\u2019arbres, la diversit\u00e9 g\u00e9n\u00e9tique intrasp\u00e9cifique ainsi que la quantit\u00e9 de bois morts de gros diam\u00e8tres en for\u00eat<\/li>\n<li>\u00c9viter le tassement des sols<\/li>\n<li>Restaurer les r\u00e9seaux de zones humides<\/li>\n<li>Diminuer le morcellement des for\u00eats<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>La for\u00eat europ\u00e9enne a connu de nombreux incendies cet \u00e9t\u00e9 2026. Une synth\u00e8se de la litt\u00e9rature scientifique disponible met en lumi\u00e8re les facteurs \u00e9cologiques qui augmentent la r\u00e9silience des for\u00eats face aux feux. Premier facteur : la structure. Un peuplement \u00e0 couvert continu et pr\u00e9sentant de multiples \u00e9tages de v\u00e9g\u00e9tation pr\u00e9sente un microclimat humide. Une [&hellip;]<\/p>\n","protected":false},"featured_media":46900,"template":"","categories":[50],"class_list":["post-46899","resume-foret-mail","type-resume-foret-mail","status-publish","has-post-thumbnail","hentry","category-foret-mail"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gestion foresti\u00e8re et r\u00e9silience aux incendies : ce que dit la science - 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\/gestion-forestiere-et-resilience-aux-incendies\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Gestion foresti\u00e8re et r\u00e9silience aux incendies : ce que dit la science - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"La for\u00eat europ\u00e9enne a connu de nombreux incendies cet \u00e9t\u00e9 2026. Une synth\u00e8se de la litt\u00e9rature scientifique disponible met en lumi\u00e8re les facteurs \u00e9cologiques qui augmentent la r\u00e9silience des for\u00eats face aux feux. Premier facteur : la structure. Un peuplement \u00e0 couvert continu et pr\u00e9sentant de multiples \u00e9tages de v\u00e9g\u00e9tation pr\u00e9sente un microclimat humide. 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