{"id":34457,"date":"2021-09-10T11:45:46","date_gmt":"2021-09-10T09:45:46","guid":{"rendered":"https:\/\/foretnature.be\/resume-foret-mail\/rentabilite-de-la-gestion-irreguliere-des-pessieres-boreales\/"},"modified":"2021-09-10T11:45:46","modified_gmt":"2021-09-10T09:45:46","slug":"rentabilite-de-la-gestion-irreguliere-des-pessieres-boreales","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/rentabilite-de-la-gestion-irreguliere-des-pessieres-boreales\/","title":{"rendered":"Rentabilit\u00e9 de la gestion irr\u00e9guli\u00e8re des pessi\u00e8res bor\u00e9ales"},"content":{"rendered":"<p>La gestion par mises \u00e0 blanc et plantation est la m\u00e9thode de gestion dominante dans les for\u00eats bor\u00e9ales. Cependant des \u00e9tudes r\u00e9centes indiquent que ce type de gestion n&rsquo;est peut-\u00eatre ni la solution la plus rentable, ni le syst\u00e8me le plus \u00e9cologique et durable.<br \/>\nUne \u00e9tude men\u00e9e par plusieurs instituts de recherche russes et finlandaises a \u00e9valu\u00e9 la rentabilit\u00e9 d&rsquo;une gestion irr\u00e9guli\u00e8re de la for\u00eat bor\u00e9ale en se concentrant sur les peuplements d\u2019\u00e9pic\u00e9as. Gr\u00e2ce \u00e0 des simulations prenant en compte la dynamique de la mati\u00e8re organique du sol, la disponibilit\u00e9 des ressources et la croissance des peuplements, plusieurs sc\u00e9narios de gestion sont envisag\u00e9s en variant l&rsquo;intervalle et l&rsquo;intensit\u00e9 du pr\u00e9l\u00e8vement.<br \/>\nDans le cadre de l&rsquo;analyse de rentabilit\u00e9, diff\u00e9rents \u00e9tats initiaux de peuplement sont consid\u00e9r\u00e9s : terres nues, jeunes peuplements et peuplements adultes irr\u00e9guliers. La rentabilit\u00e9 de la gestion en irr\u00e9gulier est compar\u00e9e \u00e0 celle d&rsquo;une gestion traditionnelle en peuplement \u00e9quienne.<br \/>\nLes r\u00e9sultats de l\u2019\u00e9tude indiquent que la gestion irr\u00e9guli\u00e8re est rentable dans tous les sc\u00e9narios d\u2019\u00e9tat initial envisag\u00e9s avec un taux d&rsquo;int\u00e9r\u00eat moyen de 3 %. Cependant, la rentabilit\u00e9 d\u00e9pend de l\u2019\u00e9tat initial du peuplement : la gestion \u00e9quienne semble plus rentable lorsque le peuplement initial est un peuplement d\u00e9nud\u00e9 ou un jeune peuplement et la gestion irr\u00e9guli\u00e8re est plus rentable lorsque l\u2019\u00e9tat initial est un peuplement adulte irr\u00e9gulier.<br \/>\nLa conversion d&rsquo;un peuplement d\u2019\u00e9pic\u00e9a r\u00e9gulier en peuplement irr\u00e9gulier est financi\u00e8rement int\u00e9ressant lorsque la structure du peuplement r\u00e9gulier initial pr\u00e9sente une large distribution de grosseurs des arbres sur pied plut\u00f4t que la courbe plus restreinte habituellement associ\u00e9e \u00e0 la gestion traditionnelle par \u00e9claircie \u00ab par le bas \u00bb.<br \/>\nJuutinen A., Ahtikoski A., M\u00e4kip\u00e4\u00e4 R., Shanin V., (2018). Effect of harvest interval and intensity on the profitability of uneven-aged management of Norway spruce stands. Forestry, Volume 91, Issue 5; Doi : 10.1093\/forestry\/cpy018<\/p>","protected":false},"excerpt":{"rendered":"<p>La gestion par mises \u00e0 blanc et plantation est la m\u00e9thode de gestion dominante dans les for\u00eats bor\u00e9ales. Cependant des \u00e9tudes r\u00e9centes indiquent que ce type de gestion n&rsquo;est peut-\u00eatre ni la solution la plus rentable, ni le syst\u00e8me le plus \u00e9cologique et durable. Une \u00e9tude men\u00e9e par plusieurs instituts de recherche russes et finlandaises [&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>Rentabilit\u00e9 de la gestion irr\u00e9guli\u00e8re des pessi\u00e8res bor\u00e9ales - 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\/rentabilite-de-la-gestion-irreguliere-des-pessieres-boreales\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Rentabilit\u00e9 de la gestion irr\u00e9guli\u00e8re des pessi\u00e8res bor\u00e9ales - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"La gestion par mises \u00e0 blanc et plantation est la m\u00e9thode de gestion dominante dans les for\u00eats bor\u00e9ales. Cependant des \u00e9tudes r\u00e9centes indiquent que ce type de gestion n&rsquo;est peut-\u00eatre ni la solution la plus rentable, ni le syst\u00e8me le plus \u00e9cologique et durable. 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