{"id":34739,"date":"2021-09-10T13:54:22","date_gmt":"2021-09-10T11:54:22","guid":{"rendered":"https:\/\/foretnature.be\/article-foret-nature\/cartographie-et-caracterisation-des-arbres-hors-foret-a-laide-de-la-technologie-lidar\/"},"modified":"2024-10-24T10:29:07","modified_gmt":"2024-10-24T08:29:07","slug":"cartographie-et-caracterisation-des-arbres-hors-foret-a-laide-de-la-technologie-lidar","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/cartographie-et-caracterisation-des-arbres-hors-foret-a-laide-de-la-technologie-lidar\/","title":{"rendered":"Cartographie et caract\u00e9risation des arbres hors for\u00eat \u00e0 l\u2019aide de la technologie LiDAR"},"content":{"rendered":"<p>Il est aujourd\u2019hui admis qu\u2019une part importante de la ressource ligneuse se trouve en dehors de la for\u00eat. Les \u00ab\u202farbres hors for\u00eat \u00bb ont un r\u00f4le important dans notre environnement gr\u00e2ce \u00e0 leurs multiples fonctions\u202f: production de bois, pr\u00e9servation de la biodiversit\u00e9, qualit\u00e9 paysag\u00e8re\u2026 Bien que l\u2019\u00e9volution r\u00e9cente des politiques environnementales tendent \u00e0 leur donner plus d\u2019importance, ils restent peu \u00e9tudi\u00e9s et ne font que rarement l\u2019objet d\u2019un inventaire ou d\u2019un suivi \u00e0 l\u2019\u00e9chelle r\u00e9gionale ou nationale. Face au besoin d\u2019outils pour l\u2019\u00e9valuation de cette ressource, une m\u00e9thode de cartographie et de description des \u00e9l\u00e9ments arbor\u00e9s situ\u00e9s hors for\u00eat a \u00e9t\u00e9 d\u00e9velopp\u00e9e. Elle repose sur l\u2019utilisation de donn\u00e9es LiDAR a\u00e9rien au travers d\u2019une s\u00e9rie d\u2019algorithmes int\u00e9gr\u00e9e dans une proc\u00e9dure automatique. Les \u00e9l\u00e9ments arbor\u00e9s de plus de 2 m\u00e8tres de hauteur sont cartographi\u00e9s avec une r\u00e9solution de 1 m\u00e8tre et cat\u00e9goris\u00e9s en cinq classes en fonction de leurs dimensions et de leur organisation spatiale. Les utilisations de cette couche cartographique sont nombreuses\u202f: calcul de statistiques, analyses spatiales, \u00e9tude de la dynamique temporelle\u2026 \u00c0 titre d\u2019exemple, nous pr\u00e9sentons les r\u00e9sultats obtenus sur trois sites : les communes rurales de Ohey et de Paliseul en Wallonie, et un p\u00e9rim\u00e8tre regroupant douze communes fran\u00e7aises situ\u00e9es au Nord-Est de Valencienne.<\/p>","protected":false},"excerpt":{"rendered":"<p>Il est aujourd\u2019hui admis qu\u2019une part importante de la ressource ligneuse se trouve en dehors de la for\u00eat. Les \u00ab\u202farbres hors for\u00eat \u00bb ont un r\u00f4le important dans notre environnement gr\u00e2ce \u00e0 leurs multiples fonctions\u202f: production de bois, pr\u00e9servation de la biodiversit\u00e9, qualit\u00e9 paysag\u00e8re\u2026 Bien que l\u2019\u00e9volution r\u00e9cente des politiques environnementales tendent \u00e0 leur donner [&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>Cartographie et caract\u00e9risation des arbres hors for\u00eat \u00e0 l\u2019aide de la technologie LiDAR - 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\/cartographie-et-caracterisation-des-arbres-hors-foret-a-laide-de-la-technologie-lidar\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cartographie et caract\u00e9risation des arbres hors for\u00eat \u00e0 l\u2019aide de la technologie LiDAR - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Il est aujourd\u2019hui admis qu\u2019une part importante de la ressource ligneuse se trouve en dehors de la for\u00eat. Les \u00ab\u202farbres hors for\u00eat \u00bb ont un r\u00f4le important dans notre environnement gr\u00e2ce \u00e0 leurs multiples fonctions\u202f: production de bois, pr\u00e9servation de la biodiversit\u00e9, qualit\u00e9 paysag\u00e8re\u2026 Bien que l\u2019\u00e9volution r\u00e9cente des politiques environnementales tendent \u00e0 leur donner [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/foretnature.be\/en\/article-foret-nature\/cartographie-et-caracterisation-des-arbres-hors-foret-a-laide-de-la-technologie-lidar\/\" \/>\n<meta property=\"og:site_name\" content=\"For\u00eat.Nature\" \/>\n<meta property=\"article:modified_time\" content=\"2024-10-24T08:29:07+00:00\" \/>\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\/article-foret-nature\/cartographie-et-caracterisation-des-arbres-hors-foret-a-laide-de-la-technologie-lidar\/\",\"url\":\"https:\/\/foretnature.be\/article-foret-nature\/cartographie-et-caracterisation-des-arbres-hors-foret-a-laide-de-la-technologie-lidar\/\",\"name\":\"Cartographie et caract\u00e9risation des arbres hors for\u00eat \u00e0 l\u2019aide de la technologie LiDAR - For\u00eat.Nature\",\"isPartOf\":{\"@id\":\"https:\/\/foretnature.be\/en\/#website\"},\"datePublished\":\"2021-09-10T11:54:22+00:00\",\"dateModified\":\"2024-10-24T08:29:07+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/foretnature.be\/article-foret-nature\/cartographie-et-caracterisation-des-arbres-hors-foret-a-laide-de-la-technologie-lidar\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/foretnature.be\/article-foret-nature\/cartographie-et-caracterisation-des-arbres-hors-foret-a-laide-de-la-technologie-lidar\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/foretnature.be\/article-foret-nature\/cartographie-et-caracterisation-des-arbres-hors-foret-a-laide-de-la-technologie-lidar\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/foretnature.be\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Cartographie et caract\u00e9risation des arbres hors for\u00eat \u00e0 l\u2019aide de la technologie LiDAR\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/foretnature.be\/en\/#website\",\"url\":\"https:\/\/foretnature.be\/en\/\",\"name\":\"For\u00eat.Nature\",\"description\":\"Une \u00e9quipe technique au service de la for\u00eat\",\"publisher\":{\"@id\":\"https:\/\/foretnature.be\/en\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/foretnature.be\/en\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/foretnature.be\/en\/#organization\",\"name\":\"For\u00eat.Nature\",\"url\":\"https:\/\/foretnature.be\/en\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\/\/foretnature.be\/en\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png\",\"contentUrl\":\"https:\/\/foretnature.be\/wp-content\/uploads\/2021\/01\/logoFOblanc.png\",\"width\":300,\"height\":151,\"caption\":\"For\u00eat.Nature\"},\"image\":{\"@id\":\"https:\/\/foretnature.be\/en\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Cartographie et caract\u00e9risation des arbres hors for\u00eat \u00e0 l\u2019aide de la technologie LiDAR - For\u00eat.Nature","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/foretnature.be\/en\/article-foret-nature\/cartographie-et-caracterisation-des-arbres-hors-foret-a-laide-de-la-technologie-lidar\/","og_locale":"en_GB","og_type":"article","og_title":"Cartographie et caract\u00e9risation des arbres hors for\u00eat \u00e0 l\u2019aide de la technologie LiDAR - For\u00eat.Nature","og_description":"Il est aujourd\u2019hui admis qu\u2019une part importante de la ressource ligneuse se trouve en dehors de la for\u00eat. 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