{"id":40069,"date":"2023-11-08T11:29:05","date_gmt":"2023-11-08T10:29:05","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&p=40069"},"modified":"2023-11-08T11:29:05","modified_gmt":"2023-11-08T10:29:05","slug":"quand-la-structure-forestiere-raconte-la-biodiversite","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/quand-la-structure-forestiere-raconte-la-biodiversite\/","title":{"rendered":"Quand la structure foresti\u00e8re raconte la biodiversit\u00e9"},"content":{"rendered":"

Partant du constat de la perte dramatique de biodiversit\u00e9 dans le monde entier, un groupe de chercheurs a tent\u00e9 de trouver une corr\u00e9lation entre la richesse en biodiversit\u00e9 et des indicateurs qualifiant la structure des peuplements forestiers \u00e9valu\u00e9s dans le cadre d\u2019inventaires forestiers. L\u2019\u00e9tude a port\u00e9 sur trois r\u00e9gions d\u2019Allemagne et montre qu’il est possible d’utiliser les attributs structurels comme substitut de la richesse en esp\u00e8ces pour la plupart des groupes taxonomiques et fonctionnels analys\u00e9s.<\/p>\n

Par exemple, la diversit\u00e9 en esp\u00e8ces d\u2019oiseaux \u00e9tait la plus importante dans les peuplements forestiers vieux et riches en esp\u00e8ces d’arbres, structur\u00e9s verticalement et comprenant du bois mort sur pied et abattu ainsi que de grands arbres. La plupart des esp\u00e8ces antagonistes des scolytes \u00e9taient pr\u00e9sentes dans des peuplements forestiers riches en esp\u00e8ces, avec une grande diversit\u00e9 de types d’\u00e9corce, d’arbres \u00e0 fleurs et de grands arbres. Ou encore, les peuplements anciens et irr\u00e9guliers avec de grands arbres constituent des habitats appropri\u00e9s pour les col\u00e9opt\u00e8res et les h\u00e9mipt\u00e8res. Pour les groupes taxonomiques des petits mammif\u00e8res ou des champignons associ\u00e9s au sol et aux racines, la richesse en esp\u00e8ces n\u2019a par contre pas pu \u00eatre d\u00e9crite par les variables structurelles du peuplement et d\u00e9pend probablement plus d\u2019autres facteurs environnementaux.<\/p>\n

Les inventaires forestiers pourraient donc constituer des outils de surveillance de la biodiversit\u00e9 sur de grandes zones, sans impliquer de co\u00fbt d\u2019\u00e9chantillonnage suppl\u00e9mentaire. Cet outil permettrait en outre de d\u00e9tecter assez rapidement les effets involontaires de changements dans la gestion foresti\u00e8re sur la biodiversit\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"

Partant du constat de la perte dramatique de biodiversit\u00e9 dans le monde entier, un groupe de chercheurs a tent\u00e9 de trouver une corr\u00e9lation entre la richesse en biodiversit\u00e9 et des indicateurs qualifiant la structure des peuplements forestiers \u00e9valu\u00e9s dans le cadre d\u2019inventaires forestiers. L\u2019\u00e9tude a port\u00e9 sur trois r\u00e9gions d\u2019Allemagne et montre qu’il est possible […]<\/p>","protected":false},"featured_media":40049,"template":"","categories":[50],"acf":[],"yoast_head":"\nQuand la structure foresti\u00e8re raconte la biodiversit\u00e9 - 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\/quand-la-structure-forestiere-raconte-la-biodiversite\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quand la structure foresti\u00e8re raconte la biodiversit\u00e9 - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Partant du constat de la perte dramatique de biodiversit\u00e9 dans le monde entier, un groupe de chercheurs a tent\u00e9 de trouver une corr\u00e9lation entre la richesse en biodiversit\u00e9 et des indicateurs qualifiant la structure des peuplements forestiers \u00e9valu\u00e9s dans le cadre d\u2019inventaires forestiers. 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