{"id":35507,"date":"2022-05-10T12:25:53","date_gmt":"2022-05-10T10:25:53","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=35507"},"modified":"2022-05-10T12:25:53","modified_gmt":"2022-05-10T10:25:53","slug":"regenerer-le-chene-pourquoi-comment-et-a-quel-cout","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/regenerer-le-chene-pourquoi-comment-et-a-quel-cout\/","title":{"rendered":"R\u00e9g\u00e9n\u00e9rer le ch\u00eane, pourquoi, comment et \u00e0 quel co\u00fbt ?"},"content":{"rendered":"<p>Le ch\u00eane est une essence dominante des for\u00eats temp\u00e9r\u00e9es europ\u00e9ennes et un atout ind\u00e9niable sur les aspects \u00e9cologiques et \u00e9conomiques. Leur g\u00e9n\u00e9tique extr\u00eamement riche et complexe en fait \u00e9galement une essence apte \u00e0 r\u00e9sister et s\u2019adapter aux changements climatiques. Cependant, sa r\u00e9g\u00e9n\u00e9ration naturelle ou artificielle est souvent rendue difficile pour de nombreuses raisons (pression de la faune sauvage, strat\u00e9gie de d\u00e9veloppement, concurrence des adventices&#8230;) et tend vers une diminution drastique dans nos for\u00eats.<\/p>\n<p>Pour mieux comprendre les m\u00e9canismes de renouvellement du ch\u00eane, un groupe de recherche de Su\u00e8de a \u00e9tudi\u00e9 l\u2019impact des cl\u00f4tures sur ses conditions de croissance, selon plusieurs m\u00e9thodes de r\u00e9g\u00e9n\u00e9ration.<\/p>\n<p>Il en ressort que cl\u00f4turer une parcelle a un impact significatif durant les cinq premi\u00e8res ann\u00e9es de vie. D\u2019abord sur la croissance en hauteur et \u00e9galement, mais de fa\u00e7on non significative, sur la croissance en diam\u00e8tre ainsi que sur la grosseur g\u00e9n\u00e9rale. Il n\u2019y a en revanche pas d\u2019effet am\u00e9liorant sur la comp\u00e9tition entre le ch\u00eane et d\u2019autres essences g\u00e9n\u00e9ralement plus concurrentes, puisque la pression d\u2019abroutissement est \u00e9galement supprim\u00e9e pour ces derni\u00e8res. Des interventions sylvicoles sont alors n\u00e9cessaires pour garantir leur dominance.<\/p>\n<p>En termes de co\u00fbt par rapport \u00e0 l\u2019efficacit\u00e9 de r\u00e9g\u00e9n\u00e9ration (nombre et hauteur), la r\u00e9g\u00e9n\u00e9ration naturelle sous couvert l\u00e9ger de semencier est nettement plus avantageuse en comparaison \u00e0 la plantation ou le semis de glands.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le ch\u00eane est une essence dominante des for\u00eats temp\u00e9r\u00e9es europ\u00e9ennes et un atout ind\u00e9niable sur les aspects \u00e9cologiques et \u00e9conomiques. Leur g\u00e9n\u00e9tique extr\u00eamement riche et complexe en fait \u00e9galement une essence apte \u00e0 r\u00e9sister et s\u2019adapter aux changements climatiques. Cependant, sa r\u00e9g\u00e9n\u00e9ration naturelle ou artificielle est souvent rendue difficile pour de nombreuses raisons (pression de [&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>R\u00e9g\u00e9n\u00e9rer le ch\u00eane, pourquoi, comment et \u00e0 quel co\u00fbt ? - 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\/regenerer-le-chene-pourquoi-comment-et-a-quel-cout\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"R\u00e9g\u00e9n\u00e9rer le ch\u00eane, pourquoi, comment et \u00e0 quel co\u00fbt ? - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Le ch\u00eane est une essence dominante des for\u00eats temp\u00e9r\u00e9es europ\u00e9ennes et un atout ind\u00e9niable sur les aspects \u00e9cologiques et \u00e9conomiques. 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