{"id":32973,"date":"2021-06-03T10:45:56","date_gmt":"2021-06-03T08:45:56","guid":{"rendered":"https:\/\/gjkkadksm.preview.infomaniak.website\/?post_type=resume-foret-mail&#038;p=32973"},"modified":"2021-06-03T10:45:56","modified_gmt":"2021-06-03T08:45:56","slug":"impact-de-la-fauche-tardive-sur-lavifaune","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/impact-de-la-fauche-tardive-sur-lavifaune\/","title":{"rendered":"Impact de la fauche tardive sur l\u2019avifaune"},"content":{"rendered":"<p class=\"text-build-content\" data-testid=\"Q6k2B10d5b\">L\u2019avifaune prairiale voit ses populations d\u00e9cliner depuis de nombreuses ann\u00e9es dans toute l\u2019Europe. Les causes principales sont la r\u00e9duction et la fragmentation des surfaces des prairies ainsi que l\u2019\u00e9volution des pratiques agricoles. Une fauche trop pr\u00e9coce, par exemple, \u00a0ne laisse pas assez de temps aux oisillons pour se d\u00e9velopper suffisamment et pouvoir s\u2019enfuir devant les machines.<\/p>\n<p class=\"text-build-content\" data-testid=\"Q6k2B10d5b\">Une \u00e9tude a ainsi \u00e9t\u00e9 r\u00e9alis\u00e9e dans le Val de Sa\u00f4ne afin de d\u00e9terminer l\u2019impact d\u2019une fauche tardive (apr\u00e8s le 15 juillet) sur le succ\u00e8s reproducteur des passereaux, du courlis cendr\u00e9 et du r\u00e2le des gen\u00eats. Il en ressort tout d\u2019abord que cette date est ad\u00e9quate et induit un succ\u00e8s reproducteur d\u2019environ 80 %. Ensuite, il est montr\u00e9 que les esp\u00e8ces philopatriques sont les plus impact\u00e9es par cette mesure. En effet, les oisillons ayant surv\u00e9cu reviennent sur site tandis que les couples chass\u00e9s des zones fauch\u00e9es plus h\u00e2tivement ont tendance \u00e0 s\u2019\u00e9tablir de fa\u00e7on p\u00e9renne dans les zones de fauches tardives. Par ailleurs, il faut noter qu\u2019une prairie de grande surface en fauche retard\u00e9e a plus d\u2019impact que plusieurs petites prairies. Cela peut s\u2019expliquer par une concurrence accrue dans ces derni\u00e8res en raison d\u2019une surdensit\u00e9 ainsi que par le risque d\u2019attirer de potentiels pr\u00e9dateurs.<\/p>","protected":false},"excerpt":{"rendered":"<p>L\u2019avifaune prairiale voit ses populations d\u00e9cliner depuis de nombreuses ann\u00e9es dans toute l\u2019Europe. Les causes principales sont la r\u00e9duction et la fragmentation des surfaces des prairies ainsi que l\u2019\u00e9volution des pratiques agricoles. Une fauche trop pr\u00e9coce, par exemple, \u00a0ne laisse pas assez de temps aux oisillons pour se d\u00e9velopper suffisamment et pouvoir s\u2019enfuir devant les [&hellip;]<\/p>","protected":false},"featured_media":0,"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>Impact de la fauche tardive sur l\u2019avifaune - 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\/impact-de-la-fauche-tardive-sur-lavifaune\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Impact de la fauche tardive sur l\u2019avifaune - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"L\u2019avifaune prairiale voit ses populations d\u00e9cliner depuis de nombreuses ann\u00e9es dans toute l\u2019Europe. 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