{"id":37249,"date":"2022-08-17T09:37:05","date_gmt":"2022-08-17T07:37:05","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=37249"},"modified":"2022-09-05T13:13:01","modified_gmt":"2022-09-05T11:13:01","slug":"les-deperissements-forestiers-profitent-aux-coleopteres","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/les-deperissements-forestiers-profitent-aux-coleopteres\/","title":{"rendered":"Les d\u00e9p\u00e9rissements forestiers profitent aux col\u00e9opt\u00e8res"},"content":{"rendered":"<p>Une \u00e9tude r\u00e9alis\u00e9e dans les Pyr\u00e9n\u00e9es s\u2019est int\u00e9ress\u00e9e au d\u00e9veloppement des populations de col\u00e9opt\u00e8res saproxyliques, qui r\u00e9alisent tout ou une partie de leur cycle de vie dans le bois mort, \u00e0 la suite de perturbations \u00e9cologiques dans les sapini\u00e8res (Abies alba Mill.). Ces perturbations sont essentiellement les ann\u00e9es de s\u00e9cheresse cons\u00e9cutives ainsi que les attaques de scolytes. L\u2019\u00e9tude s\u2019est concentr\u00e9e sur les diff\u00e9rents regroupements, d\u00e9veloppements des insectes \u00e0 l\u2019\u00e9chelle locale mais aussi \u00e0 l\u2019\u00e9chelle du paysage.<\/p>\n<p>Les r\u00e9sultats principaux indiquent que :<\/p>\n<ul>\n<li>Autant en diversit\u00e9 taxonomique, phylog\u00e9n\u00e9tique que fonctionnelle, les col\u00e9opt\u00e8res saproxyliques profitent nettement des d\u00e9p\u00e9rissements des for\u00eats \u00e0 petite ou grande \u00e9chelle.<\/li>\n<li>L\u2019augmentation de d\u00e9p\u00e9rissements \u00e0 l\u2019\u00e9chelle du paysage favorisent des sp\u00e9cialisations chez les insectes qui tendent \u00e0 s\u2019orienter vers les gros bois fort d\u00e9compos\u00e9s.<\/li>\n<li>Les ouvertures dans le couvert et les interconnections de matrices de bois morts b\u00e9n\u00e9ficient non seulement aux insectes mais \u00e9galement aux champignons et de nombreux nouveaux micro-habitats se cr\u00e9ent.<\/li>\n<li>Des esp\u00e8ces sur liste rouge sont retrouv\u00e9es et se d\u00e9veloppent.<\/li>\n<\/ul>\n<p>Les for\u00eats en d\u00e9clin non allou\u00e9es \u00e0 la production de bois sont ainsi d\u2019excellents sites pour d\u00e9velopper la biodiversit\u00e9 locale et large chez les col\u00e9opt\u00e8res. Elles permettraient d\u2019h\u00e9t\u00e9rog\u00e9n\u00e9iser les massifs \u00e0 l\u2019int\u00e9rieur desquels la gestion conventionnelle menace fortement les insectes. De simples \u00eelots de s\u00e9nescence doivent s\u2019accompagner de plages plus larges.<\/p>","protected":false},"excerpt":{"rendered":"<p>Une \u00e9tude r\u00e9alis\u00e9e dans les Pyr\u00e9n\u00e9es s\u2019est int\u00e9ress\u00e9e au d\u00e9veloppement des populations de col\u00e9opt\u00e8res saproxyliques, qui r\u00e9alisent tout ou une partie de leur cycle de vie dans le bois mort, \u00e0 la suite de perturbations \u00e9cologiques dans les sapini\u00e8res (Abies alba Mill.). Ces perturbations sont essentiellement les ann\u00e9es de s\u00e9cheresse cons\u00e9cutives ainsi que les attaques [&hellip;]<\/p>","protected":false},"featured_media":37281,"template":"","categories":[50],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les d\u00e9p\u00e9rissements forestiers profitent aux col\u00e9opt\u00e8res - 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\/les-deperissements-forestiers-profitent-aux-coleopteres\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les d\u00e9p\u00e9rissements forestiers profitent aux col\u00e9opt\u00e8res - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Une \u00e9tude r\u00e9alis\u00e9e dans les Pyr\u00e9n\u00e9es s\u2019est int\u00e9ress\u00e9e au d\u00e9veloppement des populations de col\u00e9opt\u00e8res saproxyliques, qui r\u00e9alisent tout ou une partie de leur cycle de vie dans le bois mort, \u00e0 la suite de perturbations \u00e9cologiques dans les sapini\u00e8res (Abies alba Mill.). 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