{"id":44427,"date":"2024-10-23T16:44:16","date_gmt":"2024-10-23T14:44:16","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=article-foret-nature&#038;p=44427"},"modified":"2024-10-23T16:44:16","modified_gmt":"2024-10-23T14:44:16","slug":"dispositif-declaircie-en-epicea-principaux-enseignements-de-trente-annees-dexperience","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/dispositif-declaircie-en-epicea-principaux-enseignements-de-trente-annees-dexperience\/","title":{"rendered":"Dispositif d\u2019\u00e9claircie en \u00e9pic\u00e9a, principaux enseignements de trente ann\u00e9es d\u2019exp\u00e9rience"},"content":{"rendered":"<p>Il y a trente ans, d\u00e9butait en R\u00e9gion wallonne une vaste exp\u00e9rience visant \u00e0 \u00e9valuer l\u2019impact du niveau d\u2019\u00e9claircie en peuplements r\u00e9guliers d\u2019\u00e9pic\u00e9a sur leurs caract\u00e9ristiques dendrom\u00e9triques, \u00e9conomiques et \u00e9cologiques. Cinq modalit\u00e9s d\u2019\u00e9claircies, d\u2019intensit\u00e9s croissantes, et un t\u00e9moin furent test\u00e9s. L\u2019article conclut sur les avantages sylvicoles de l\u2019\u00e9claircie forte : production plus rapide de bois de grosses dimensions, r\u00e9duction du terme d\u2019exploitabilit\u00e9, meilleure stabilit\u00e9 des peuplements, maintien des productions totales en surface terri\u00e8re et r\u00e9duction tr\u00e8s mod\u00e9r\u00e9e des productions totales en volume, augmentation de la valeur marchande des produits d\u00e9livr\u00e9s et du peuplement final. Il termine en rappelant l\u2019avis d\u00e9terminant des technologues sur la qualit\u00e9 du bois produit, et balaie ainsi un argument principal des d\u00e9tracteurs des \u00e9claircies fortes : des cernes de 4 mm (soit un accroissement de 2, 5 cm\/an en circonf\u00e9rence) n\u2019impliquent pas une chute importante des propri\u00e9t\u00e9s du bois. Concr\u00e8tement, cet objectif est atteint en maintenant une surface terri\u00e8re de 35 m\u00b2\/ha avant \u00e9claircie et 30 m\u00b2\/ha apr\u00e8s \u00e9claircie.<\/p>","protected":false},"excerpt":{"rendered":"<p>Il y a trente ans, d\u00e9butait en R\u00e9gion wallonne une vaste exp\u00e9rience visant \u00e0 \u00e9valuer l\u2019impact du niveau d\u2019\u00e9claircie en peuplements r\u00e9guliers d\u2019\u00e9pic\u00e9a sur leurs caract\u00e9ristiques dendrom\u00e9triques, \u00e9conomiques et \u00e9cologiques. Cinq modalit\u00e9s d\u2019\u00e9claircies, d\u2019intensit\u00e9s croissantes, et un t\u00e9moin furent test\u00e9s. L\u2019article conclut sur les avantages sylvicoles de l\u2019\u00e9claircie forte : production plus rapide de bois [&hellip;]<\/p>","protected":false},"featured_media":0,"template":"","categories":[49],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dispositif d\u2019\u00e9claircie en \u00e9pic\u00e9a, principaux enseignements de trente ann\u00e9es d\u2019exp\u00e9rience - 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\/article-foret-nature\/dispositif-declaircie-en-epicea-principaux-enseignements-de-trente-annees-dexperience\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dispositif d\u2019\u00e9claircie en \u00e9pic\u00e9a, principaux enseignements de trente ann\u00e9es d\u2019exp\u00e9rience - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Il y a trente ans, d\u00e9butait en R\u00e9gion wallonne une vaste exp\u00e9rience visant \u00e0 \u00e9valuer l\u2019impact du niveau d\u2019\u00e9claircie en peuplements r\u00e9guliers d\u2019\u00e9pic\u00e9a sur leurs caract\u00e9ristiques dendrom\u00e9triques, \u00e9conomiques et \u00e9cologiques. 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