{"id":44411,"date":"2024-10-23T16:44:05","date_gmt":"2024-10-23T14:44:05","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=article-foret-nature&#038;p=44411"},"modified":"2024-10-23T16:44:05","modified_gmt":"2024-10-23T14:44:05","slug":"experience-de-recensement-aerien-du-grand-gibier-observations-realisees-au-dessus-du-massif-des-hautes-fagnes","status":"publish","type":"article-foret-nature","link":"https:\/\/foretnature.be\/en\/article-foret-nature\/experience-de-recensement-aerien-du-grand-gibier-observations-realisees-au-dessus-du-massif-des-hautes-fagnes\/","title":{"rendered":"Exp\u00e9rience de recensement a\u00e9rien du grand gibier, observations r\u00e9alis\u00e9es au-dessus du massif des Hautes-Fagnes"},"content":{"rendered":"<p>L\u2019article pr\u00e9sente une exp\u00e9rience de recensement de gibier par photographie a\u00e9rienne infra-rouge. L\u2019int\u00e9r\u00eat de la m\u00e9thode r\u00e9side dans l\u2019alternative qu\u2019elle propose aux estimations indiciaires traditionnelles pour tenter un comptage plus complet des animaux. L\u2019utilisation des moyens a\u00e9roport\u00e9s permet d\u2019embrasser de grandes zones en un coup d\u2019\u0153il et d\u2019identifier l\u2019esp\u00e8ce, voire le type de gibier d\u00e9tect\u00e9. Les animaux vis\u00e9s ici \u00e9taient les esp\u00e8ces cerf et sanglier. Les premiers r\u00e9sultats ont montr\u00e9 que l\u2019identification se d\u00e9roule tr\u00e8s bien sur les prairies, les fonds de vall\u00e9es, les gagnages et les coupes-feux. En for\u00eat, elle est possible sous feuillus et hors p\u00e9riode de v\u00e9g\u00e9tation. La p\u00e9riode optimale de recensement se situe donc en d\u00e9but de nuit, lorsque les animaux ont gagn\u00e9 les zones de gagnage. D\u2019autant plus qu\u2019ils sont alors en activit\u00e9 et que l\u2019\u00e9chauffement de leur corps augmente la diff\u00e9rence de temp\u00e9rature avec l\u2019environnement. Un probl\u00e8me s\u2019est pos\u00e9 lorsqu\u2019il a fallu faire la diff\u00e9rence entre les cerfs et le b\u00e9tail pr\u00e9sent dans les p\u00e2tures mais un simple comptage de jour permet d\u2019\u00e9liminer ces unit\u00e9s suppl\u00e9mentaires. En d\u00e9finitive, les avantages par rapport aux comptages traditionnels sont les suivants : pas de d\u00e9rangement du gibier ; acc\u00e8s \u00e0 des zones difficilement accessibles par des pi\u00e9tons ou des v\u00e9hi-cules tout-terrain ; observation des animaux actifs, c\u2019est-\u00e0-dire dans des zones o\u00f9 ils sont facilement remarquables (le m\u00eame soir, un observateur plac\u00e9 dans une zone recens\u00e9e a observ\u00e9 deux cerfs l\u00e0 o\u00f9 l\u2019avion en a d\u00e9tect\u00e9 cent diff\u00e9rents) ; une grande zone peut \u00eatre recens\u00e9e rapidement et des va-et-vient sont facilement possibles entre deux zones.<\/p>","protected":false},"excerpt":{"rendered":"<p>L\u2019article pr\u00e9sente une exp\u00e9rience de recensement de gibier par photographie a\u00e9rienne infra-rouge. L\u2019int\u00e9r\u00eat de la m\u00e9thode r\u00e9side dans l\u2019alternative qu\u2019elle propose aux estimations indiciaires traditionnelles pour tenter un comptage plus complet des animaux. L\u2019utilisation des moyens a\u00e9roport\u00e9s permet d\u2019embrasser de grandes zones en un coup d\u2019\u0153il et d\u2019identifier l\u2019esp\u00e8ce, voire le type de gibier d\u00e9tect\u00e9. [&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>Exp\u00e9rience de recensement a\u00e9rien du grand gibier, observations r\u00e9alis\u00e9es au-dessus du massif des Hautes-Fagnes - 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\/experience-de-recensement-aerien-du-grand-gibier-observations-realisees-au-dessus-du-massif-des-hautes-fagnes\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Exp\u00e9rience de recensement a\u00e9rien du grand gibier, observations r\u00e9alis\u00e9es au-dessus du massif des Hautes-Fagnes - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"L\u2019article pr\u00e9sente une exp\u00e9rience de recensement de gibier par photographie a\u00e9rienne infra-rouge. L\u2019int\u00e9r\u00eat de la m\u00e9thode r\u00e9side dans l\u2019alternative qu\u2019elle propose aux estimations indiciaires traditionnelles pour tenter un comptage plus complet des animaux. L\u2019utilisation des moyens a\u00e9roport\u00e9s permet d\u2019embrasser de grandes zones en un coup d\u2019\u0153il et d\u2019identifier l\u2019esp\u00e8ce, voire le type de gibier d\u00e9tect\u00e9. 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