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La résolution, l\u2019émulsion (noir et blanc ou couleur, infrarouge), l\u2019échelle et la date (année et saison) de prise des photographies aériennes des modèles photogrammétriques 3D utilisés sont, en effet, tous des facteurs qui peuvent influencer la précision de la photo-interprétation.De plus, il est important de souligner que considérant le temps et les ressources disponibles, il était impossible d\u2019effectuer une vérification systématique de tous les sites sur le terrain. Cette validation renforce considérablement la justesse de l\u2019interprétation, mais elle est seulement réalisée pour un échantillon, soit un nombre représentatif des milieux humides identifiés. De plus, elle constitue un point d\u2019observation fixe dans un milieu humide, et ce, à une certaine période de l\u2019année (fin d\u2019été ou automne). Ainsi la délimitation du milieu humide et l\u2019homogénéité de la classe qui lui est attribuée ne sont pas validées.En somme, bien que la précision des données d\u2019inventaire de la cartographie détaillée soit grandement améliorée par rapport aux données existant auparavant, elle ne remplace pas l\u2019obligation de procéder à une visite de terrain pour confirmer la présence, la classification, le périmètre, l\u2019état du milieu humide, et, si nécessaire, pour caractériser d\u2019autres paramètres (comme le contexte hydrologique du milieu humide et de son bassin versant, la végétation, la faune, etc.), lors de la planification d\u2019un projet local de développement ou de conservation.", "geometryType": "esriGeometryPolygon", "sourceSpatialReference": { "wkid": 2145, "latestWkid": 2950, "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -5317800, "falseY": -10001100, "xyUnits": 10000, "falseZ": 0, "zUnits": 1, "falseM": 0, "mUnits": 1 }, "copyrightText": "Citation recommandée pour l'utilisation des données : Canards Illimités Canada et le ministère de l'Environnement et Lutte contre les changements climatiques (MELCC), 2020. 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