![\"foret-epinal\"](\"\/2018\/05\/foret-epinal-533x800.jpg\")
<\/a>Ces derni\u00e8res ann\u00e9es, les p\u00e9riodes de s\u00e9cheresses ont \u00e9t\u00e9 pr\u00e9occupantes, tant par leur pr\u00e9cocit\u00e9, leur intensit\u00e9, ou leur dur\u00e9e.<\/p>\nPar ses impacts sur la for\u00eat, le r\u00e9chauffement climatique d\u00e9grade progressivement les peuplements forestiers, et soul\u00e8ve m\u00eame des questions quant \u00e0 la p\u00e9rennit\u00e9 \u00e0 plus ou moins long termes de certaines essences, dont notamment le h\u00eatre.Dans ces conditions, toute la fili\u00e8re se mobilise pour observer, \u00e9tudier et tenter d\u2019accompagner collectivement cette transition.<\/p>\n
Lanc\u00e9 courant 2022, le projet \u00ab VALHER \u00bb, anagramme de \u00ab Valorisation des produits issus de l\u2019exploitation des h\u00eatres d\u00e9p\u00e9rissant \u00bb propose d\u2019\u00e9valuer comparativement la qualification de la transformation de h\u00eatres sains et d\u00e9p\u00e9rissant, et d\u2019\u00e9tablir des pr\u00e9conisations quant \u00e0 la transformation et \u00e0 la conservation de ces bois.L\u2019objectif est d\u2019assurer une \u00e9tude compl\u00e8te du sujet, regroupant forestiers et transformateurs de Bourgogne Franche-Comt\u00e9 et du Grand Est.<\/p>\n
Les r\u00e9sultats de l\u2019\u00e9tude contribueront \u00e0 faire avancer les connaissances, et constitueront une ressource documentaire et technique pour toute la fili\u00e8re h\u00eatre.<\/p>\n
Depuis 2018, les s\u00e9cheresses \u00e0 r\u00e9p\u00e9titions ont engendr\u00e9 des d\u00e9p\u00e9rissements importants. Avec le changement climatique, ces ph\u00e9nom\u00e8nes vont sans doute se r\u00e9p\u00e9ter et s\u2019accentuer.<\/p>\n
Le h\u00eatre est une essence majeure en Bourgogne-Franche-Comt\u00e9 et Grand Est (13 % du volume sur pied, plus de 70 % de la production de sciages nationale).<\/p>\n
Les transformateurs ont alert\u00e9 les interprofessions \u00e0 propos de la d\u00e9gradation des produits issus de h\u00eatre d\u00e9p\u00e9rissant. De nombreuses questions sont soulev\u00e9es sur la valorisation de ces bois : perte de rendement, baisse de la qualit\u00e9 d\u2019aspects, doutes sur la r\u00e9sistance m\u00e9canique, h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9 de la couleur avec ou sans \u00e9tuvage, comportement au s\u00e9chage, tenue au collage et finition, etc<\/p>\n","protected":false},"excerpt":{"rendered":"
Ces derni\u00e8res ann\u00e9es, les p\u00e9riodes de s\u00e9cheresses ont \u00e9t\u00e9 pr\u00e9occupantes, tant par leur pr\u00e9cocit\u00e9, leur intensit\u00e9, ou leur dur\u00e9e. Par […]<\/p>\n","protected":false},"author":52,"featured_media":22216,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,16,5],"tags":[],"acf":[],"yoast_head":"\n
Fili\u00e8re For\u00eat-Bois et changement climatique: Comment le secteur du h\u00eatre s\u2019adapte ? - Epinal Info<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fili\u00e8re For\u00eat-Bois et changement climatique: Comment le secteur du h\u00eatre s\u2019adapte ? - Epinal Info\" \/>\n<meta property=\"og:description\" content=\"Ces derni\u00e8res ann\u00e9es, les p\u00e9riodes de s\u00e9cheresses ont \u00e9t\u00e9 pr\u00e9occupantes, tant par leur pr\u00e9cocit\u00e9, leur intensit\u00e9, ou leur dur\u00e9e. 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<\/a>Ces derni\u00e8res ann\u00e9es, les p\u00e9riodes de s\u00e9cheresses ont \u00e9t\u00e9 pr\u00e9occupantes, tant par leur pr\u00e9cocit\u00e9, leur intensit\u00e9, ou leur dur\u00e9e.<\/p>\n