{"id":44362,"date":"2024-10-23T16:43:29","date_gmt":"2024-10-23T14:43:29","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=article-foret-nature&#038;p=44362"},"modified":"2024-10-23T16:43:29","modified_gmt":"2024-10-23T14:43:29","slug":"diagnostic-des-tremblaies-wallonnes","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/diagnostic-des-tremblaies-wallonnes\/","title":{"rendered":"Diagnostic des tremblaies wallonnes"},"content":{"rendered":"<p>Le Peuplier tremble (Populus tremula) accuse aujourd\u2019hui un recul plus que pr\u00e9occupant en Wallonie. Au total, les effectifs se seraient r\u00e9duits de plus de 60 % sur les deux derni\u00e8res d\u00e9cennies. Un sondage a d\u00e8s lors \u00e9t\u00e9 r\u00e9alis\u00e9 afin de dresser un \u00e9tat des lieux et envisager des mesures d\u2019enrayement du ph\u00e9nom\u00e8ne. Les principaux r\u00e9sultats sont les suivants : la majorit\u00e9 des tremblaies se trouvent en for\u00eat soumise ; 90 % des tremblaies se situent sur des pentes inf\u00e9rieures \u00e0 5 % ; les 2\/3 des tremblaies se trouvent \u00e0 des altitudes inf\u00e9rieures \u00e0 340 m, ce qui s\u2019explique principalement par le fait que c\u2019est \u00e0 ces altitudes que l\u2019on rencontre les plus anciennes formations foresti\u00e8res feuillues ; le tremble pr\u00e9sente une grande plasticit\u00e9 \u00e0 l\u2019\u00e9gard des conditions d\u2019humus et de sol ; les semis naturels sont \u00e0 l\u2019origine de la majorit\u00e9 des placettes \u00e9valu\u00e9es. Un sondage r\u00e9alis\u00e9 aupr\u00e8s des agents de l\u2019administration r\u00e9v\u00e8le que pour 70 % d\u2019entre eux, le tremble est conserv\u00e9 \u00ab \u00e0 condition qu\u2019il ne g\u00eane pas \u00bb. Seuls 20 % le favorisent au d\u00e9triment d\u2019autres essences. 10 % l\u2019\u00e9liminent syst\u00e9matiquement. Enfin, si celui-ci est conserv\u00e9 c\u2019est pour des raisons de maintien de la biodiversit\u00e9 (67 %), culturales (25 %) ou \u00e9conomiques (8 %).<\/p>","protected":false},"excerpt":{"rendered":"<p>Le Peuplier tremble (Populus tremula) accuse aujourd\u2019hui un recul plus que pr\u00e9occupant en Wallonie. Au total, les effectifs se seraient r\u00e9duits de plus de 60 % sur les deux derni\u00e8res d\u00e9cennies. Un sondage a d\u00e8s lors \u00e9t\u00e9 r\u00e9alis\u00e9 afin de dresser un \u00e9tat des lieux et envisager des mesures d\u2019enrayement du ph\u00e9nom\u00e8ne. Les principaux r\u00e9sultats [&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>Diagnostic des tremblaies wallonnes - 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\/diagnostic-des-tremblaies-wallonnes\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Diagnostic des tremblaies wallonnes - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Le Peuplier tremble (Populus tremula) accuse aujourd\u2019hui un recul plus que pr\u00e9occupant en Wallonie. Au total, les effectifs se seraient r\u00e9duits de plus de 60 % sur les deux derni\u00e8res d\u00e9cennies. Un sondage a d\u00e8s lors \u00e9t\u00e9 r\u00e9alis\u00e9 afin de dresser un \u00e9tat des lieux et envisager des mesures d\u2019enrayement du ph\u00e9nom\u00e8ne. 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