{"id":45113,"date":"2025-03-10T15:54:25","date_gmt":"2025-03-10T14:54:25","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=45113"},"modified":"2025-03-10T15:54:25","modified_gmt":"2025-03-10T14:54:25","slug":"lign-met-en-place-un-suivi-des-signes-de-presence-des-ongules-sauvages","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/lign-met-en-place-un-suivi-des-signes-de-presence-des-ongules-sauvages\/","title":{"rendered":"L\u2019IGN met en place un suivi des signes de pr\u00e9sence des ongul\u00e9s sauvages"},"content":{"rendered":"<p>L\u2019IGN vient de mettre en place un nouvel indicateur qui mesure les signes de pr\u00e9sence des ongul\u00e9s sauvages sur les arbres juv\u00e9niles en France (arbres d\u2019un diam\u00e8tre inf\u00e9rieur \u00e0 7,5 cm et d\u2019une hauteur sup\u00e9rieure \u00e0 50 cm). Cerfs, chevreuils et sangliers sont cibl\u00e9s.<\/p>\n<p>Jusqu\u2019\u00e0 pr\u00e9sent, une seule campagne d\u2019inventaire a eu lieu, en 2023, soit un cinqui\u00e8me des placettes \u00e0 inventorier. Les donn\u00e9es ne sont pas encore tr\u00e8s robustes, elles seront consolid\u00e9es d\u2019ici quelques ann\u00e9es, lorsqu\u2019un cycle de cinq campagnes aura couvert l\u2019ensemble des placettes.<\/p>\n<p>Nous pouvons cependant d\u00e9j\u00e0 observer quelques tendances (non significatives \u00e0 ce stade) :<\/p>\n<ul>\n<li>Pr\u00e8s de 30 % des jeunes arbres laissent voir des traces d\u2019abroutissement (consommation de bourgeons, de feuilles), de frottis (frottement des bois des m\u00e2les) ou d\u2019\u00e9cor\u00e7age (consommation de l\u2019\u00e9corce).<\/li>\n<li>La proportion de jeunes tiges touch\u00e9es varie d\u2019une essence \u00e0 l\u2019autre.<\/li>\n<li>Les jeunes ch\u00eanes sessiles semblent tr\u00e8s appr\u00e9ci\u00e9s (45 % des tiges montrent des d\u00e9g\u00e2ts, contre 30 % pour les h\u00eatres). Les r\u00e9sineux pr\u00e9sentent moins de traces et moins d\u2019abroutissement que les feuillus, sauf le sapin pectin\u00e9 dont plus d\u2019un tiers des arbres est touch\u00e9.<\/li>\n<li>Le charme et la bourdaine sont les essences qui pr\u00e9sentent le plus de traces, avec pr\u00e8s de la moiti\u00e9 des arbres juv\u00e9niles concern\u00e9s. Le ch\u00eane vert, le pin d\u2019Alep et l\u2019\u00e9pic\u00e9a commun semblent les moins touch\u00e9s, avec moins de 10 % d\u2019arbres affect\u00e9s.<\/li>\n<li>Le nord-est de la France semble le plus touch\u00e9, avec plus de 40 % des jeunes arbres qui pr\u00e9sentent des traces.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>L\u2019IGN vient de mettre en place un nouvel indicateur qui mesure les signes de pr\u00e9sence des ongul\u00e9s sauvages sur les arbres juv\u00e9niles en France (arbres d\u2019un diam\u00e8tre inf\u00e9rieur \u00e0 7,5 cm et d\u2019une hauteur sup\u00e9rieure \u00e0 50 cm). Cerfs, chevreuils et sangliers sont cibl\u00e9s. Jusqu\u2019\u00e0 pr\u00e9sent, une seule campagne d\u2019inventaire a eu lieu, en 2023, [&hellip;]<\/p>","protected":false},"featured_media":45096,"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>L\u2019IGN met en place un suivi des signes de pr\u00e9sence des ongul\u00e9s sauvages - 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\/lign-met-en-place-un-suivi-des-signes-de-presence-des-ongules-sauvages\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019IGN met en place un suivi des signes de pr\u00e9sence des ongul\u00e9s sauvages - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"L\u2019IGN vient de mettre en place un nouvel indicateur qui mesure les signes de pr\u00e9sence des ongul\u00e9s sauvages sur les arbres juv\u00e9niles en France (arbres d\u2019un diam\u00e8tre inf\u00e9rieur \u00e0 7,5 cm et d\u2019une hauteur sup\u00e9rieure \u00e0 50 cm). Cerfs, chevreuils et sangliers sont cibl\u00e9s. Jusqu\u2019\u00e0 pr\u00e9sent, une seule campagne d\u2019inventaire a eu lieu, en 2023, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/foretnature.be\/en\/resume-foret-mail\/lign-met-en-place-un-suivi-des-signes-de-presence-des-ongules-sauvages\/\" \/>\n<meta property=\"og:site_name\" content=\"For\u00eat.Nature\" \/>\n<meta property=\"og:image\" content=\"https:\/\/foretnature.be\/wp-content\/uploads\/2025\/03\/2641.png\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/foretnature.be\/en\/resume-foret-mail\/lign-met-en-place-un-suivi-des-signes-de-presence-des-ongules-sauvages\/\",\"url\":\"https:\/\/foretnature.be\/en\/resume-foret-mail\/lign-met-en-place-un-suivi-des-signes-de-presence-des-ongules-sauvages\/\",\"name\":\"L\u2019IGN met en place un suivi des signes de pr\u00e9sence des ongul\u00e9s sauvages - 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