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  "Comments": "Cette donnée a été générée par Gembloux Agro-Bio Tech, Forest is Life et financée par l\u2019Accord Cadre de recherche et vulgarisation forestières.Le masque forestier est le résultat de la combinaison de 5 masques ligneux :1) 2006,2) 2009-2010,3) 2012-2013,4) 2016 et5) 2018 et6) 2021-2022.Chaque masque ligneux correspond aux étendues avec présence d'éléments ligneux de plus de 2 m (environ) de hauteur.Les 5 premiers masques ligneux sont d\u2019origine photogrammétrique (orthophotos). Le dernier est dérivé du LiDAR aérien de 2021-2022.Valeur du pixel : 0 =&gt; hors forêt, 1 =&gt; en forêtLa photo-interprétation de 4000 points a permis d\u2019estimer la précision globale du masque forestier à 97.5%",
  "Subject": "Le masque forestier correspond aux étendues de forêt de plus de 20 m de largeur et 50 ares de surface (définition FAO) à l'échelle de la Wallonie.",
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