{"id":1094,"date":"2007-12-03T14:11:23","date_gmt":"2007-12-03T12:11:23","guid":{"rendered":"http:\/\/staging.sillon38.com\/2007\/12\/03\/quelles-perspectives-pour-le-bois-energie\/"},"modified":"2007-12-03T14:11:23","modified_gmt":"2007-12-03T12:11:23","slug":"quelles-perspectives-pour-le-bois-energie","status":"publish","type":"post","link":"https:\/\/www.sillon38.com\/blog\/2007\/12\/03\/quelles-perspectives-pour-le-bois-energie\/","title":{"rendered":"Quelles perspectives pour le bois \u00e9nergie?"},"content":{"rendered":"<p>La biomasse foresti\u00e8re suscite un int\u00e9r\u00eat croissant pour de nouveaux usages \u00e9nerg\u00e9tiques et industriels.  Le Cemagref aborde cette question dans la derni\u00e8re parution de son bulletin d&rsquo;informations, faisant l&rsquo;inventaire de la biomasse foresti\u00e8re\u00a0 en France et  soulignant les obstacles \u00e0 une mobilisation optimale du bois disponible en bois \u00e9nergie.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/staging.sillon38.com\/wp-content\/uploads\/2007\/12\/depotfenat.jpg\" alt=\"depotfenat.jpg\" \/><\/p>\n<p><em>Dans le Vercors, comme dans de nombreux autres massifs, exploitants forestiers priv\u00e9s et publics unisent leurs efforts pour mobiliser une partie du bois disponible vers une unit\u00e9 o\u00f9 il est stock\u00e9 sous forme de plaquettes <\/em><\/p>\n<p>La France est riche d\u2019un patrimoine forestier estim\u00e9 \u00e0 plus de 15 millions d\u2019hectares soit pr\u00e8s de 2,3 milliards de m3 de bois. Pour une gestion durable des for\u00eats, seule une partie des int\u00e9r\u00eats de ce capital est exploit\u00e9e. Or aujourd\u2019hui, sur une production nette annuelle estim\u00e9e \u00e0 environ 103 millions de m3, on ne r\u00e9colte que 50 \u00e0 60 millions de m3. Dans un contexte d\u2019\u00e9puisement des \u00e9nergies fossiles, cette r\u00e9serve de biomasse serait-elle une opportunit\u00e9 pour de nouveaux usages, notamment \u00e9nerg\u00e9tiques ?<\/p>\n<p>\u00c0 la demande du minist\u00e8re de l\u2019Agriculture et de la P\u00eache, sp\u00e9cialistes de sylviculture et mod\u00e9lisateurs de la croissance v\u00e9g\u00e9tale du Cemagref ont estim\u00e9, \u00e0 partir des donn\u00e9es de l\u2019Inventaire Forestier National, les possibilit\u00e9s d\u2019exploitations foresti\u00e8res suppl\u00e9mentaires de bois \u00e0 usages \u00e9nerg\u00e9tiques et industriels pour la p\u00e9riode 2006-2016. Les \u00e9conomistes ont compl\u00e9t\u00e9 l\u2019\u00e9tude par une approche macro\u00e9conomique bas\u00e9e sur l\u2019\u00e9quilibre de l\u2019offre et de la demande. Coop\u00e9ratives foresti\u00e8res, industriels du bois et gestionnaires de l\u2019ONF ainsi que des services du minist\u00e8re ont valid\u00e9 les sc\u00e9narios d\u2019exploitation dans un contexte r\u00e9gional.<\/p>\n<blockquote><p>Le d\u00e9compte est complexe. En effet, de la \u00abdisponibilit\u00e9 th\u00e9orique\u00bb, on doit d\u00e9duire la \u00abdisponibilit\u00e9 effective\u00bb et tenir compte des conditions d\u2019accessibilit\u00e9 aux bois et du morcellement tr\u00e8s important de la propri\u00e9t\u00e9 foresti\u00e8re ; de plus, le comportement socio\u00e9conomique des 3 millions de propri\u00e9taires forestiers fran\u00e7ais est mal connu avec des motivations \u00e0 g\u00e9rer tr\u00e8s diverses. Ainsi, sur les 12 \u00e0 20 millions de m3 par an de bois th\u00e9oriquement disponibles, toutes choses \u00e9gales par ailleurs en termes de desserte, de technologie et de comportement des propri\u00e9taires, il est probable que seulement 5 \u00e0 10 millions de m3 par an soient mobilisables dans les ann\u00e9es \u00e0 venir.<\/p><\/blockquote>\n<p><em>source: Cemagref <\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La biomasse foresti\u00e8re suscite un int\u00e9r\u00eat croissant pour de nouveaux usages \u00e9nerg\u00e9tiques et industriels. Le Cemagref aborde cette question dans la derni\u00e8re parution de son bulletin d&rsquo;informations, faisant l&rsquo;inventaire de la biomasse foresti\u00e8re\u00a0 en France et soulignant les obstacles \u00e0&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-1094","post","type-post","status-publish","format-standard","hentry","category-foret"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quelles perspectives pour le bois \u00e9nergie? -<\/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:\/\/www.sillon38.com\/blog\/2007\/12\/03\/quelles-perspectives-pour-le-bois-energie\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quelles perspectives pour le bois \u00e9nergie? -\" \/>\n<meta property=\"og:description\" content=\"La biomasse foresti\u00e8re suscite un int\u00e9r\u00eat croissant pour de nouveaux usages \u00e9nerg\u00e9tiques et industriels. 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