{"id":11525,"date":"2011-10-18T17:29:59","date_gmt":"2011-10-18T21:29:59","guid":{"rendered":"http:\/\/www.cec.org\/reseau-nord-americain-sur-les-especes-envahissantes\/"},"modified":"2024-07-11T13:29:15","modified_gmt":"2024-07-11T17:29:15","slug":"reseau-nord-americain-sur-les-especes-envahissantes","status":"publish","type":"post","link":"https:\/\/www.cec.org\/fr\/reseau-nord-americain-sur-les-especes-envahissantes\/","title":{"rendered":"R\u00e9seau nord-am\u00e9ricain sur les esp\u00e8ces envahissantes"},"content":{"rendered":"

Les r\u00e9seaux mondiaux de commerce et de transport mettent plus que jamais les gens en relation avec toutes sortes d\u2019emplacements \u00e0 l\u2019\u00e9chelle plan\u00e9taire. Ces r\u00e9seaux donnent parfois lieu au transport d\u2019esp\u00e8ces exotiques envahissantes qui, lorsqu\u2019elles sont \u00e9tablies dans un nouveau milieu, peuvent avoir des effets d\u00e9vastateurs autant sur les espaces naturels que sur les infrastructures essentielles. Ces esp\u00e8ces ont caus\u00e9 des dommages correspondant \u00e0 des pertes \u00e9conomiques de plus de 100 milliards de dollars en Am\u00e9rique du Nord. Par exemple, les \u00c9tats-Unis investissent plus de 1 milliard de dollars chaque ann\u00e9e pour lutter contre les plantes aquatiques envahissantes telles que le myriophylle en \u00e9pi dans le sud-est du pays. Cette esp\u00e8ce a grandement perturb\u00e9 certains plans d\u2019eau en modifiant la vitesse de s\u00e9dimentation, l\u2019apport en oxyg\u00e8ne et en lumi\u00e8re, et en nuisant \u00e0 la navigation, \u00e0 la p\u00eache et \u00e0 d\u2019autres activit\u00e9s r\u00e9cr\u00e9atives.<\/p>\n","protected":false},"excerpt":{"rendered":"

Les r\u00e9seaux mondiaux de commerce et de transport mettent plus que jamais les gens en relation avec toutes sortes d\u2019emplacements \u00e0 l\u2019\u00e9chelle plan\u00e9taire. Ces r\u00e9seaux donnent parfois lieu au transport d\u2019esp\u00e8ces exotiques envahissantes qui, lorsqu\u2019elles sont \u00e9tablies dans un nouveau milieu, peuvent avoir des effets d\u00e9vastateurs autant sur les espaces naturels que sur les infrastructures […]<\/p>\n","protected":false},"author":1,"featured_media":4545,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[46],"tags":[],"class_list":["post-11525","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ecosystemes","status-conclu"],"acf":[],"yoast_head":"\nR\u00e9seau nord-am\u00e9ricain sur les esp\u00e8ces envahissantes<\/title>\n<meta name=\"description\" content=\"Les r\u00e9seaux mondiaux de commerce et de transport mettent plus que jamais les gens en relation avec toutes sortes d\u2019emplacements \u00e0 l\u2019\u00e9chelle plan\u00e9taire.\" \/>\n<meta name=\"robots\" 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