{"id":35456,"date":"2022-03-21T09:09:20","date_gmt":"2022-03-21T08:09:20","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=35456"},"modified":"2022-03-21T09:16:18","modified_gmt":"2022-03-21T08:16:18","slug":"les-chenes-sadaptent-rapidement-au-changement-climatique","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/les-chenes-sadaptent-rapidement-au-changement-climatique\/","title":{"rendered":"Les ch\u00eanes s\u2019adaptent rapidement au changement climatique"},"content":{"rendered":"<p>Une question tr\u00e8s d\u00e9battue aujourd&rsquo;hui est de savoir \u00e0 quelle vitesse les changements \u00e9volutifs peuvent se produire chez les arbres, organismes \u00e0 longue dur\u00e9e de vie, et si ce rythme est suffisant pour faire face aux changements climatiques en cours.<\/p>\n<p>Une \u00e9tude de l\u2019INRAE et de l\u2019ONF a mis en \u0153uvre une approche r\u00e9trospective pour suivre les traces de s\u00e9lection dans le g\u00e9nome des ch\u00eanes depuis environ 300 ans. Trois futaies r\u00e9guli\u00e8res de ch\u00eane sessile situ\u00e9es dans le centre et l\u2019ouest de la France ont ainsi \u00e9t\u00e9 \u00e9tudi\u00e9es. Dans chaque for\u00eat, des individus ont \u00e9t\u00e9 \u00e9chantillonn\u00e9s et regroup\u00e9s par tranche d\u2019\u00e2ges correspondant approximativement \u00e0 : 340, 170, 60 et 12 ans.<\/p>\n<p>Les r\u00e9sultats de l\u2019\u00e9tude fournissent la premi\u00e8re preuve que la s\u00e9lection a op\u00e9r\u00e9 sur des arbres \u00e0 longue dur\u00e9e de vie sur de courtes p\u00e9riodes et qu&rsquo;elle continuera probablement \u00e0 le faire. En effet, une augmentation des effets de la s\u00e9lection naturelle dans le g\u00e9nome pendant les p\u00e9riodes plus r\u00e9centes de l&rsquo;anthropoc\u00e8ne a \u00e9t\u00e9 relev\u00e9e. Ces traces sont pr\u00e9sentes en parall\u00e8le dans les trois for\u00eats et elles refl\u00e8tent les changements document\u00e9s dans l&rsquo;occurrence des \u00e9v\u00e9nements extr\u00eames (s\u00e9cheresses et gel\u00e9es) au cours des 300 derni\u00e8res ann\u00e9es.<\/p>\n<p>Outre les ch\u00eanes, d&rsquo;autres esp\u00e8ces ligneuses partageant des caract\u00e9ristiques similaires pourraient \u00e9galement \u00eatre sujettes \u00e0 une s\u00e9lection naturelle et permettre un suivi r\u00e9trospectif des voies \u00e9volutives et adaptatives. De telles approches peuvent am\u00e9liorer nos choix de gestion pour faire face aux changements climatiques.<\/p>","protected":false},"excerpt":{"rendered":"<p>Une question tr\u00e8s d\u00e9battue aujourd&rsquo;hui est de savoir \u00e0 quelle vitesse les changements \u00e9volutifs peuvent se produire chez les arbres, organismes \u00e0 longue dur\u00e9e de vie, et si ce rythme est suffisant pour faire face aux changements climatiques en cours. Une \u00e9tude de l\u2019INRAE et de l\u2019ONF a mis en \u0153uvre une approche r\u00e9trospective pour [&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>Les ch\u00eanes s\u2019adaptent rapidement au changement climatique - 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\/les-chenes-sadaptent-rapidement-au-changement-climatique\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les ch\u00eanes s\u2019adaptent rapidement au changement climatique - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Une question tr\u00e8s d\u00e9battue aujourd&rsquo;hui est de savoir \u00e0 quelle vitesse les changements \u00e9volutifs peuvent se produire chez les arbres, organismes \u00e0 longue dur\u00e9e de vie, et si ce rythme est suffisant pour faire face aux changements climatiques en cours. Une \u00e9tude de l\u2019INRAE et de l\u2019ONF a mis en \u0153uvre une approche r\u00e9trospective pour [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/foretnature.be\/en\/resume-foret-mail\/les-chenes-sadaptent-rapidement-au-changement-climatique\/\" \/>\n<meta property=\"og:site_name\" content=\"For\u00eat.Nature\" \/>\n<meta property=\"article:modified_time\" content=\"2022-03-21T08:16:18+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/foretnature.be\/resume-foret-mail\/les-chenes-sadaptent-rapidement-au-changement-climatique\/\",\"url\":\"https:\/\/foretnature.be\/resume-foret-mail\/les-chenes-sadaptent-rapidement-au-changement-climatique\/\",\"name\":\"Les ch\u00eanes s\u2019adaptent rapidement au changement climatique - For\u00eat.Nature\",\"isPartOf\":{\"@id\":\"https:\/\/foretnature.be\/en\/#website\"},\"datePublished\":\"2022-03-21T08:09:20+00:00\",\"dateModified\":\"2022-03-21T08:16:18+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/foretnature.be\/resume-foret-mail\/les-chenes-sadaptent-rapidement-au-changement-climatique\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/foretnature.be\/resume-foret-mail\/les-chenes-sadaptent-rapidement-au-changement-climatique\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/foretnature.be\/resume-foret-mail\/les-chenes-sadaptent-rapidement-au-changement-climatique\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/foretnature.be\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Les ch\u00eanes s\u2019adaptent rapidement au changement climatique\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/foretnature.be\/en\/#website\",\"url\":\"https:\/\/foretnature.be\/en\/\",\"name\":\"For\u00eat.Nature\",\"description\":\"Une \u00e9quipe technique au service de la for\u00eat\",\"publisher\":{\"@id\":\"https:\/\/foretnature.be\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/foretnature.be\/en\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/foretnature.be\/en\/#organization\",\"name\":\"For\u00eat.Nature\",\"url\":\"https:\/\/foretnature.be\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/foretnature.be\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png\",\"contentUrl\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png\",\"width\":300,\"height\":151,\"caption\":\"For\u00eat.Nature\"},\"image\":{\"@id\":\"https:\/\/foretnature.be\/en\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Les ch\u00eanes s\u2019adaptent rapidement au changement climatique - For\u00eat.Nature","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/foretnature.be\/en\/resume-foret-mail\/les-chenes-sadaptent-rapidement-au-changement-climatique\/","og_locale":"en_GB","og_type":"article","og_title":"Les ch\u00eanes s\u2019adaptent rapidement au changement climatique - For\u00eat.Nature","og_description":"Une question tr\u00e8s d\u00e9battue aujourd&rsquo;hui est de savoir \u00e0 quelle vitesse les changements \u00e9volutifs peuvent se produire chez les arbres, organismes \u00e0 longue dur\u00e9e de vie, et si ce rythme est suffisant pour faire face aux changements climatiques en cours. 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