{"id":39662,"date":"2026-02-18T14:14:47","date_gmt":"2026-02-18T13:14:47","guid":{"rendered":"https:\/\/srfb.be\/?page_id=39662"},"modified":"2026-02-24T09:50:57","modified_gmt":"2026-02-24T08:50:57","slug":"ou-sont-passes-les-arbres","status":"publish","type":"page","link":"https:\/\/srfb.be\/en\/forest-friends\/services-et-activites\/proprietaires-ou-gestionnaires-forestiers\/ou-sont-passes-les-arbres\/","title":{"rendered":"O\u00f9 sont pass\u00e9s les arbres ?\u00a0"},"content":{"rendered":"<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\" style=\"margin-top:var(--wp--preset--spacing--60);margin-bottom:var(--wp--preset--spacing--60)\"><div class=\"yoast-breadcrumbs\"><span><span><a href=\"https:\/\/srfb.be\/en\/\">Home<\/a><\/span> &gt; <span><a href=\"https:\/\/srfb.be\/en\/forest-friends\/\">Discover Forest Friends<\/a><\/span> &gt; <span><a href=\"https:\/\/kbbm.be\/en\/forest-friends\/services-and-activities\/\">Services and activities<\/a><\/span> &gt; <span><a href=\"https:\/\/kbbm.be\/en\/forest-friends\/services-and-activities\/forest-owners-or-managers\/\">Forest owners or managers<\/a><\/span> &gt; <span class=\"breadcrumb_last\" aria-current=\"page\"><strong>O\u00f9 sont pass\u00e9s les arbres ?\u00a0<\/strong><\/span><\/span><\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-container-core-group-is-layout-bdbfdc43 wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-grey-color-background-color has-background is-layout-constrained wp-container-core-group-is-layout-db32e940 wp-block-group-is-layout-constrained\" style=\"border-top-left-radius:7px;border-top-right-radius:7px;border-bottom-left-radius:7px;border-bottom-right-radius:7px;padding-top:var(--wp--preset--spacing--60);padding-right:var(--wp--preset--spacing--60);padding-bottom:var(--wp--preset--spacing--60);padding-left:var(--wp--preset--spacing--60)\">\n<p><em>La mise \u00e0 blanc d\u2019une parcelle foresti\u00e8re, c\u2019est impressionnant ! Les forestiers y ont parfois recours lorsqu\u2019elle est arriv\u00e9e en fin de cycle ou que les arbres sont trop fragilis\u00e9s (maladie, s\u00e9cheresse,&nbsp;ravageurs,\u2026).<\/em>&nbsp;<\/p>\n\n\n\n<p>En&nbsp;Wallonie, les mises \u00e0 blanc sont autoris\u00e9es dans des&nbsp;<strong>limites strictes<\/strong>&nbsp;par le Code forestier (maximum 5 hectares en r\u00e9sineux et 3 hectares en feuillus). Elles constituent, dans certains types de sylviculture, la derni\u00e8re \u00e9tape d\u2019un cycle forestier&nbsp;initi\u00e9&nbsp;des dizaines d\u2019ann\u00e9es, voir des g\u00e9n\u00e9rations, auparavant.&nbsp;<\/p>\n\n\n\n<p>Des mises \u00e0 blanc peuvent \u00e9galement intervenir \u00e0 la suite de probl\u00e8mes sanitaires majeurs, comme l\u2019\u00e9pid\u00e9mie de scolytes qui a touch\u00e9 les \u00e9pic\u00e9as \u00e0 partir de 2018.&nbsp;<\/p>\n\n\n\n<p>Cette mise en lumi\u00e8re temporaire peut susciter de l\u2019\u00e9motion. Elle peut cependant aussi profiter \u00e0 de nombreuses esp\u00e8ces animales et v\u00e9g\u00e9tales qui appr\u00e9cient les milieux ouverts et ensoleill\u00e9s.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-content-justification-center is-nowrap is-layout-flex wp-container-core-group-is-layout-35e816eb wp-block-group-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--70);margin-bottom:var(--wp--preset--spacing--70)\">\n<hr class=\"wp-block-separator has-text-color has-grey-color-color has-alpha-channel-opacity has-grey-color-background-color has-background wp-container-content-759e20a8\" style=\"margin-top:0;margin-bottom:0\"\/>\n\n\n\n<figure class=\"wp-block-image size-large wp-container-content-e1bb55cb\"><img decoding=\"async\" src=\"https:\/\/srfb.be\/wp-content\/uploads\/2019\/07\/intro_offrez-vous.png\" alt=\"treat yourself\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-grey-color-color has-alpha-channel-opacity has-grey-color-background-color has-background wp-container-content-759e20a8\" style=\"margin-top:0;margin-bottom:0\"\/>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>Bient\u00f4t de retour !<\/strong><\/h2>\n\n\n\n<p><em>Cette \u00e9tape n\u2019est jamais la fin de la for\u00eat : les forestiers veillent \u00e0 replanter ou \u00e0 accompagner les jeunes arbres qui reviennent naturellement.<\/em>&nbsp;<\/p>\n\n\n\n<p>Toute mise \u00e0 blanc doit obligatoirement \u00eatre suivie d\u2019une r\u00e9g\u00e9n\u00e9ration foresti\u00e8re, que ce soit par plantation ou par r\u00e9g\u00e9n\u00e9ration naturelle.&nbsp;<\/p>\n\n\n\n<p>Aujourd\u2019hui, la gestion foresti\u00e8re \u00e9volue et les mises \u00e0 blanc deviennent moins fr\u00e9quentes. Elles n\u2019en restent pas moins une \u00e9tape normale dans certains peuplements existants, notamment ceux issus de pratiques anciennes ou fortement touch\u00e9s par des al\u00e9as climatiques ou sanitaires.&nbsp;<\/p>\n\n\n\n<p>Les forestiers travaillent toujours dans le temps long : ils h\u00e9ritent de peuplements fa\u00e7onn\u00e9s par leurs pr\u00e9d\u00e9cesseurs et pr\u00e9parent ceux des g\u00e9n\u00e9rations suivantes. Dans la plupart des cas, ils ne r\u00e9colteront d\u2019ailleurs jamais les arbres qu\u2019ils ont eux-m\u00eames contribu\u00e9 \u00e0 r\u00e9g\u00e9n\u00e9rer.<\/p>\n\n\n\n<div class=\"wp-block-group is-content-justification-center is-nowrap is-layout-flex wp-container-core-group-is-layout-35e816eb wp-block-group-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--70);margin-bottom:var(--wp--preset--spacing--70)\">\n<hr class=\"wp-block-separator has-text-color has-grey-color-color has-alpha-channel-opacity has-grey-color-background-color has-background wp-container-content-759e20a8\" style=\"margin-top:0;margin-bottom:0\"\/>\n\n\n\n<figure class=\"wp-block-image size-large wp-container-content-e1bb55cb\"><img decoding=\"async\" src=\"https:\/\/srfb.be\/wp-content\/uploads\/2019\/07\/intro_offrez-vous.png\" alt=\"treat yourself\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-grey-color-color has-alpha-channel-opacity has-grey-color-background-color has-background wp-container-content-759e20a8\" style=\"margin-top:0;margin-bottom:0\"\/>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>Quand parler de d\u00e9forestation ?<\/strong><\/h2>\n\n\n\n<p><em>Quand une for\u00eat (et ses habitants) dispara\u00eet totalement. Ici, c\u2019est l\u2019inverse : les forestiers veillent toujours au renouvellement de la for\u00eat.<\/em>&nbsp;<\/p>\n\n\n\n<p>Face \u00e0 une mise \u00e0 blanc, le terme de \u00ab d\u00e9forestation \u00bb est parfois utilis\u00e9, \u00e0 tort. En&nbsp;Wallonie, la d\u00e9forestation n\u2019existe pas : une for\u00eat d\u00e9finie comme telle au plan de secteur reste une for\u00eat, m\u00eame apr\u00e8s une coupe importante. Le propri\u00e9taire a l\u2019obligation l\u00e9gale de la r\u00e9g\u00e9n\u00e9rer.&nbsp;<\/p>\n\n\n\n<p>Au contraire, on parle de d\u00e9forestation lorsque la for\u00eat est supprim\u00e9e de mani\u00e8re d\u00e9finitive pour laisser place \u00e0 d\u2019autres usages, comme l\u2019agriculture (\u00e9levage, cultures&nbsp;telles que le soja ou l\u2019huile de palme), l\u2019urbanisation ou les infrastructures. Ces changements entra\u00eenent une perte massive de biodiversit\u00e9 et contribuent aux&nbsp;changements&nbsp;climatiques.<\/p>\n\n\n\n<div class=\"wp-block-group is-content-justification-center is-nowrap is-layout-flex wp-container-core-group-is-layout-35e816eb wp-block-group-is-layout-flex\" style=\"margin-top:var(--wp--preset--spacing--70);margin-bottom:var(--wp--preset--spacing--70)\">\n<hr class=\"wp-block-separator has-text-color has-grey-color-color has-alpha-channel-opacity has-grey-color-background-color has-background wp-container-content-759e20a8\" style=\"margin-top:0;margin-bottom:0\"\/>\n\n\n\n<figure class=\"wp-block-image size-large wp-container-content-e1bb55cb\"><img decoding=\"async\" src=\"https:\/\/srfb.be\/wp-content\/uploads\/2019\/07\/intro_offrez-vous.png\" alt=\"treat yourself\"\/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-grey-color-color has-alpha-channel-opacity has-grey-color-background-color has-background wp-container-content-759e20a8\" style=\"margin-top:0;margin-bottom:0\"\/>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-white-color has-vert-claire-color-background-color has-text-color has-background has-link-color wp-elements-1f3925da3ed2e3a85a796be693d9ba51 is-layout-constrained wp-container-core-group-is-layout-db32e940 wp-block-group-is-layout-constrained\" style=\"border-top-left-radius:7px;border-top-right-radius:7px;border-bottom-left-radius:7px;border-bottom-right-radius:7px;padding-top:var(--wp--preset--spacing--60);padding-right:var(--wp--preset--spacing--60);padding-bottom:var(--wp--preset--spacing--60);padding-left:var(--wp--preset--spacing--60)\">\n<h2 class=\"wp-block-heading has-text-align-center has-white-color has-text-color has-link-color wp-elements-56261198feba380afc088d4fcfa1800b\"><strong>Good to know<\/strong>&nbsp;<\/h2>\n\n\n\n<p>L\u2019humain et la for\u00eat, c\u2019est une tr\u00e8s longue histoire. Depuis toujours, les activit\u00e9s humaines ont influenc\u00e9 les surfaces et la morphologie des for\u00eats.&nbsp;Dans nos r\u00e9gions,&nbsp;la surface foresti\u00e8re a diminu\u00e9 d\u00e8s l\u2019installation humaine&nbsp;(s\u00e9dentarisation).&nbsp;<\/p>\n\n\n\n<p>Cependant, gr\u00e2ce \u00e0 la l\u00e9gislation foresti\u00e8re&nbsp;en Belgique, la&nbsp;couverture foresti\u00e8re&nbsp;est\u202f<strong>en augmentation constante depuis plus d&rsquo;un si\u00e8cle<\/strong>, passant d&rsquo;environ 435 000 ha en 1866 \u00e0 plus de 700 000 ha aujourd&rsquo;hui, dont environ la moiti\u00e9&nbsp;appartiennent \u00e0 des propri\u00e9taires priv\u00e9s.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-group has-grey-color-background-color has-background has-small-font-size is-layout-constrained wp-container-core-group-is-layout-db32e940 wp-block-group-is-layout-constrained\" style=\"border-top-left-radius:7px;border-top-right-radius:7px;border-bottom-left-radius:7px;border-bottom-right-radius:7px;padding-top:var(--wp--preset--spacing--60);padding-right:var(--wp--preset--spacing--60);padding-bottom:var(--wp--preset--spacing--60);padding-left:var(--wp--preset--spacing--60)\">\n<h3 class=\"wp-block-heading has-text-align-center\"><strong>Pour aller plus loin<\/strong>&nbsp;<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Histoire de la for\u00eat belge : <a href=\"https:\/\/srfb.be\/en\/trainings-and-activities\/train-for-my-forest\/educational-resources\/history_belgian_forest\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/srfb.be\/formations-et-activites\/je-me-forme-pour-ma-foret\/ressources-educatives\/histoire_foret_belge\/<\/a>\u00a0<\/li>\n\n\n\n<li>\u00c9valuation des ressources foresti\u00e8res mondiales : <a href=\"https:\/\/www.fao.org\/interactive\/forest-resources-assessment\/2020\/fr\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.fao.org\/interactive\/forest-resources-assessment\/2020\/fr\/<\/a>\u00a0<\/li>\n<\/ul>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>La mise \u00e0 blanc d\u2019une parcelle foresti\u00e8re, c\u2019est impressionnant ! Les forestiers y ont parfois recours lorsqu\u2019elle est arriv\u00e9e en fin de cycle ou que les arbres sont trop fragilis\u00e9s (maladie, s\u00e9cheresse,&nbsp;ravageurs,\u2026).&nbsp; En&nbsp;Wallonie, les mises \u00e0 blanc sont autoris\u00e9es dans des&nbsp;limites strictes&nbsp;par le Code forestier (maximum 5 hectares en r\u00e9sineux et 3 hectares en feuillus)&#8230;. <\/p>\n<div class=\"clear\"><\/div>\n<p><a href=\"https:\/\/srfb.be\/en\/forest-friends\/services-et-activites\/proprietaires-ou-gestionnaires-forestiers\/ou-sont-passes-les-arbres\/\" class=\"excerpt-read-more\">Read More<\/a><\/p>","protected":false},"author":18,"featured_media":39653,"parent":31243,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"iawp_total_views":42,"footnotes":""},"class_list":["post-39662","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>O\u00f9 sont pass\u00e9s les arbres ?\u00a0 - Soci\u00e9t\u00e9 Royale Foresti\u00e8re de Belgique<\/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:\/\/kbbm.be\/forest-friends\/services-et-activites\/proprietaires-ou-gestionnaires-forestiers\/ou-sont-passes-les-arbres\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"O\u00f9 sont pass\u00e9s les arbres ?\u00a0 - Soci\u00e9t\u00e9 Royale Foresti\u00e8re de Belgique\" \/>\n<meta property=\"og:description\" content=\"La mise \u00e0 blanc d\u2019une parcelle foresti\u00e8re, c\u2019est impressionnant ! Les forestiers y ont parfois recours lorsqu\u2019elle est arriv\u00e9e en fin de cycle ou que les arbres sont trop fragilis\u00e9s (maladie, s\u00e9cheresse,&nbsp;ravageurs,\u2026).&nbsp; En&nbsp;Wallonie, les mises \u00e0 blanc sont autoris\u00e9es dans des&nbsp;limites strictes&nbsp;par le Code forestier (maximum 5 hectares en r\u00e9sineux et 3 hectares en feuillus).... 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Soci\u00e9t\u00e9 Royale Foresti\u00e8re de Belgique","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:\/\/kbbm.be\/forest-friends\/services-et-activites\/proprietaires-ou-gestionnaires-forestiers\/ou-sont-passes-les-arbres\/","og_locale":"en_GB","og_type":"article","og_title":"O\u00f9 sont pass\u00e9s les arbres ?\u00a0 - Soci\u00e9t\u00e9 Royale Foresti\u00e8re de Belgique","og_description":"La mise \u00e0 blanc d\u2019une parcelle foresti\u00e8re, c\u2019est impressionnant ! Les forestiers y ont parfois recours lorsqu\u2019elle est arriv\u00e9e en fin de cycle ou que les arbres sont trop fragilis\u00e9s (maladie, s\u00e9cheresse,&nbsp;ravageurs,\u2026).&nbsp; En&nbsp;Wallonie, les mises \u00e0 blanc sont autoris\u00e9es dans des&nbsp;limites strictes&nbsp;par le Code forestier (maximum 5 hectares en r\u00e9sineux et 3 hectares en feuillus).... 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