{"id":2745,"date":"2017-08-01T14:59:51","date_gmt":"2017-08-01T18:59:51","guid":{"rendered":"http:\/\/www.namonarchs.org\/?page_id=2745\/"},"modified":"2017-12-04T16:09:06","modified_gmt":"2017-12-04T21:09:06","slug":"migration","status":"publish","type":"page","link":"https:\/\/www.namonarchs.org\/fr\/migration\/","title":{"rendered":"La migration des papillons monarques"},"content":{"rendered":"<div class=\"intro-text\">\n<h3 class=\"headline-primary--grouped\">Le monarque, qui p\u00e8se moins d\u2019un gramme, effectue une \u00e9tonnante migration multi g\u00e9n\u00e9rationnelle<\/h3>\n<p class=\"headline-secondary--grouped\">qui peut s\u2019\u00e9tendre sur les trois pays de l\u2019Am\u00e9rique du Nord, et ce, sur une distance pouvant atteindre jusqu\u2019\u00e0 5 000 km. Il existe deux routes migratoires connues : celle de l\u2019Est et celle de l\u2019Ouest.<\/p>\n<p><strong>Migration de l\u2019Est<\/strong><\/p>\n<p>Les monarques de premi\u00e8re g\u00e9n\u00e9ration sont les \u00ab\u00a0descendants\u00a0\u00bb des papillons qui hivernent. Ils naissent dans le nord du Mexique et le sud des \u00c9tats-Unis et s\u2019envolent vers le nord.<\/p>\n<p>Les monarques de deuxi\u00e8me g\u00e9n\u00e9ration naissent dans le centre des \u00c9tats-Unis et migrent vers le nord.<\/p>\n<p>Les monarques de troisi\u00e8me g\u00e9n\u00e9ration naissent dans la partie septentrionale du territoire de l\u2019esp\u00e8ce. S\u2019ils \u00e9mergent suffisamment t\u00f4t, ils produisent une nouvelle g\u00e9n\u00e9ration estivale (quatri\u00e8me g\u00e9n\u00e9ration), autrement, ils migrent vers les sites d\u2019hivernage au Mexique.<\/p>\n<p>Les monarques de quatri\u00e8me g\u00e9n\u00e9ration vivent jusqu\u2019\u00e0 neuf mois. Ils entrent en diapause reproductive et parcourent jusqu\u2019\u00e0 5\u00a0000\u00a0kilom\u00e8tres (3\u00a0000\u00a0milles) jusqu\u2019\u00e0 des sites permanents au Mexique o\u00f9 ils hivernent durant environ quatre mois avant de s\u2019envoler vers le nord du Mexique et le sud des \u00c9tats-Unis o\u00f9 ils pondent leurs \u0153ufs, produisant la premi\u00e8re g\u00e9n\u00e9ration.<\/p>\n<\/div>\n<p><strong>Migration de l\u2019Ouest<\/strong><\/p>\n<p>D\u00e8s la fin octobre, les monarques qui vivent dans l\u2019ouest des \u00c9tats-Unis, surtout ceux de la Californie, du Nevada, de l\u2019Idaho et de l\u2019Oregon, migrent vers leurs aires de repos hivernales dans les eucalyptus, les cypr\u00e8s de Monterey et les pins de Monterey le long de la c\u00f4te pacifique de la Californie. Pour le moment, il existe peu d\u2019information sur leur parcours migratoire.<\/p>\n<p><strong><em>Description \u00e0 partir de l\u2019information tir\u00e9e de <a href=\"https:\/\/monarchlab.org\/biology-and-research\/biology-and-natural-history\/breeding-life-cycle\/annual-life-cycle\/\">Monarch Lab<\/a><\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le monarque, qui p\u00e8se moins d\u2019un gramme, effectue une \u00e9tonnante migration multi g\u00e9n\u00e9rationnelle qui peut s\u2019\u00e9tendre sur les trois pays de l\u2019Am\u00e9rique du Nord, et ce, sur une distance pouvant atteindre jusqu\u2019\u00e0 5 000 km. Il existe deux routes migratoires connues : celle de l\u2019Est et celle de l\u2019Ouest. Migration de l\u2019Est Les monarques de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7012,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-migration.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2745","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La migration des papillons monarques - Bo\u00eete \u00e0 outils pour la conservation du papillon monarque<\/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:\/\/www.namonarchs.org\/fr\/migration\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La migration des papillons monarques - Bo\u00eete \u00e0 outils pour la conservation du papillon monarque\" \/>\n<meta property=\"og:description\" content=\"Le monarque, qui p\u00e8se moins d\u2019un gramme, effectue une \u00e9tonnante migration multi g\u00e9n\u00e9rationnelle qui peut s\u2019\u00e9tendre sur les trois pays de l\u2019Am\u00e9rique du Nord, et ce, sur une distance pouvant atteindre jusqu\u2019\u00e0 5 000 km. 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