{"id":37363,"date":"2022-09-15T09:43:51","date_gmt":"2022-09-15T07:43:51","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=37363"},"modified":"2022-09-15T09:43:51","modified_gmt":"2022-09-15T07:43:51","slug":"la-gestion-qd-un-atout-pour-les-chenes-dans-les-hetraies","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/la-gestion-qd-un-atout-pour-les-chenes-dans-les-hetraies\/","title":{"rendered":"La gestion QD : un atout pour les ch\u00eanes dans les h\u00eatraies"},"content":{"rendered":"<p>Pour le gestionnaire forestier, obtenir dans la h\u00eatraie un petit nombre de ch\u00eanes mais \u00e0 tr\u00e8s grand houppier et de haute qualit\u00e9 n\u2019est ni exigeant ni co\u00fbteux. \u00c0 la fin de leur phase de qualification, il suffit de disposer d\u2019\u00e0 peine 50 ch\u00eanes \u00ab supervitaux \u00bb par hectare de bonne qualit\u00e9 : les \u00ab options \u00bb.<\/p>\n<p>Les h\u00eatres de croissance moyenne sont pour les ch\u00eanes-option d\u2019excellents qualificateurs et m\u00eame les h\u00eatres supervitaux ne constituent qu\u2019un moindre probl\u00e8me. Dans le d\u00e9veloppement de la jeune for\u00eat, les impacts des essences pionni\u00e8res sur l\u2019avenir des ch\u00eanes sont bien plus forts, et augmentent avec le temps. En tout, une intervention par cassage et une autre par ann\u00e9lation suffisent souvent dans la phase de qualification.<\/p>\n<p>D\u00e9signer \u00e0 temps les ch\u00eanes-objectif au sein des options est l\u2019action d\u00e9terminante pour le gestionnaire forestier. Par la suite, ces arbres-objectif seront syst\u00e9matiquement promus de mani\u00e8re \u00e0 maintenir les charpenti\u00e8res \u00e0 la base des houppiers. En visant une bille propre d\u2019environ 25 % de la hauteur finale de l\u2019arbre, les ch\u00eanes arriveront au d\u00e9but de leur phase de dimensionnement vers 25 ans. Certains \u00ab ch\u00eanes d\u2019exception \u00bb sont d\u00e9j\u00e0 qualifi\u00e9s avant 20 ans : les avant-postes de la r\u00e9sistance \u00e0 l\u2019o\u00efdium n\u00e9obiotique qui a boulevers\u00e9 l\u2019\u00e9cologie de reproduction de nos ch\u00eanes ?<\/p>\n<p>La m\u00e9thode QD permet donc \u00e0 un petit nombre de ch\u00eanes-objectif de prendre une part consid\u00e9rable dans le m\u00e9lange, int\u00e9gr\u00e9e dans la dynamique naturelle et au moindre co\u00fbt.<\/p>","protected":false},"excerpt":{"rendered":"<p>Pour le gestionnaire forestier, obtenir dans la h\u00eatraie un petit nombre de ch\u00eanes mais \u00e0 tr\u00e8s grand houppier et de haute qualit\u00e9 n\u2019est ni exigeant ni co\u00fbteux. \u00c0 la fin de leur phase de qualification, il suffit de disposer d\u2019\u00e0 peine 50 ch\u00eanes \u00ab supervitaux \u00bb par hectare de bonne qualit\u00e9 : les \u00ab options [&hellip;]<\/p>","protected":false},"featured_media":37362,"template":"","categories":[50],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - 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