{"id":38641,"date":"2023-02-15T15:25:32","date_gmt":"2023-02-15T14:25:32","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=38641"},"modified":"2023-02-27T10:06:19","modified_gmt":"2023-02-27T09:06:19","slug":"des-inventaires-forestiers-depuis-le-ciel-reve-ou-realite","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/des-inventaires-forestiers-depuis-le-ciel-reve-ou-realite\/","title":{"rendered":"Des inventaires forestiers depuis le ciel ? R\u00eave ou r\u00e9alit\u00e9 ?"},"content":{"rendered":"<p>La technologie s\u2019invite de plus en plus en for\u00eat pour trouver des syst\u00e8mes facilitant la gestion foresti\u00e8re. Depuis d\u00e9j\u00e0 des ann\u00e9es, les orthophotographies et autres donn\u00e9es cartographiques permettent d\u2019appr\u00e9cier l\u2019\u00e9tat des peuplements avant d\u2019avoir \u00e0 y entrer (par exemple, les proportions feuillues et r\u00e9sineuses, les trou\u00e9es de scolyte, etc.).<\/p>\n<p>Un groupe de recherche finlandais a ainsi crois\u00e9 des donn\u00e9es satellitaires avec celles de drones \u00e9quip\u00e9s de lasers pour estimer les volumes sur pied par essence de quelques peuplements.<\/p>\n<p>Cette m\u00e9thode s\u2019adresse plut\u00f4t \u00e0 des massifs d\u2019une taille allant d\u2019une dizaine au millier d\u2019hectares, jug\u00e9s petits en comparaison avec les inventaires habituels par avion allant du millier \u00e0 la dizaine de milliers d\u2019hectares. Actuellement, les erreurs d\u2019\u00e9chantillonnage restent encore tr\u00e8s \u00e9lev\u00e9es (tr\u00e8s sensibles aux \u00e9l\u00e9ments minoritaires) et des campagnes de mesures sur le terrain assez rigoureuses sont toujours n\u00e9cessaires pour assurer des donn\u00e9es fiables pour la gestion.<\/p>","protected":false},"excerpt":{"rendered":"<p>La technologie s\u2019invite de plus en plus en for\u00eat pour trouver des syst\u00e8mes facilitant la gestion foresti\u00e8re. Depuis d\u00e9j\u00e0 des ann\u00e9es, les orthophotographies et autres donn\u00e9es cartographiques permettent d\u2019appr\u00e9cier l\u2019\u00e9tat des peuplements avant d\u2019avoir \u00e0 y entrer (par exemple, les proportions feuillues et r\u00e9sineuses, les trou\u00e9es de scolyte, etc.). Un groupe de recherche finlandais a [&hellip;]<\/p>","protected":false},"featured_media":38642,"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>Des inventaires forestiers depuis le ciel ? R\u00eave ou r\u00e9alit\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\/des-inventaires-forestiers-depuis-le-ciel-reve-ou-realite\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Des inventaires forestiers depuis le ciel ? 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Un groupe de recherche finlandais a [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/foretnature.be\/en\/resume-foret-mail\/des-inventaires-forestiers-depuis-le-ciel-reve-ou-realite\/\" \/>\n<meta property=\"og:site_name\" content=\"For\u00eat.Nature\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-27T09:06:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/foretnature.be\/wp-content\/uploads\/2023\/02\/AdobeStock_170763174-1024x768.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"768\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=\"1 minute\" \/>\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\/des-inventaires-forestiers-depuis-le-ciel-reve-ou-realite\/\",\"url\":\"https:\/\/foretnature.be\/en\/resume-foret-mail\/des-inventaires-forestiers-depuis-le-ciel-reve-ou-realite\/\",\"name\":\"Des inventaires forestiers depuis le ciel ? 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