{"id":96964,"date":"2025-04-01T16:01:56","date_gmt":"2025-04-01T16:01:56","guid":{"rendered":"https:\/\/www.africa-press.net\/cotedivoire\/politique\/exploitation-miniere-en-eaux-profondes-un-retour-a-la-normale-peut-etre-impossible"},"modified":"2025-04-01T16:01:56","modified_gmt":"2025-04-01T16:01:56","slug":"exploitation-miniere-en-eaux-profondes-un-retour-a-la-normale-peut-etre-impossible","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/cotedivoire\/toutes-les-actualites\/exploitation-miniere-en-eaux-profondes-un-retour-a-la-normale-peut-etre-impossible","title":{"rendered":"Exploitation mini\u00e8re en eaux profondes : un retour \u00e0 la normale peut-\u00eatre \u00ab\u00a0impossible\u00a0\u00bb"},"content":{"rendered":"

Africa-Press – C\u00f4te d’Ivoire. <\/strong><\/span>Des scientifiques base\u0301s au Royaume-Uni ont cherche\u0301 a\u0300 e\u0301valuer les conse\u0301quences de l’extraction dans la zone de Clarion-Clipperton (CCZ), immense plaine a\u0300 plus de 4.000 me\u0300tres de profondeur, dans les eaux internationales entre Hawai\u0308 et le Mexique. Un test y a e\u0301te\u0301 mene\u0301 en 1979 avec une machine qui a racle\u0301 le fond marin, en retirant les nodules, ces galets de me\u0301taux comme le cobalt et le mangane\u0300se, aujourd’hui tre\u0300s recherche\u0301s pour les batteries, les panneaux solaires ou les e\u0301crans tactiles.<\/p>\n

Les scientifiques ont e\u0301tudie\u0301 le site en 2023 et observe\u0301 que les traces de cette activite\u0301 e\u0301taient toujours bien visibles 44 ans plus tard. \u00ab\u00a0Le nombre d’animaux a e\u0301te\u0301 re\u0301duit pour beaucoup d’espe\u0300ces a\u0300 l’inte\u0301rieur des traces mais nous avons aussi observe\u0301 les premiers signes de re\u0301tablissement biologique\u00a0\u00bb, a souligne\u0301 l’auteur principal de l’e\u0301tude, Daniel Jones, du Centre national d’oce\u0301anographie (NOC) britannique.<\/p>\n

Les effets de l’extraction durent probablement \u00ab\u00a0de nombreuses de\u0301cennies au moins\u00a0\u00bb<\/b><\/p>\n

Les scientifiques ont observe\u0301 des cre\u0301atures pluto\u0302t petites et mobiles a\u0300 l’inte\u0301rieur de la zone d’extraction, mais les animaux plus gros qui se fixent sur le plancher oce\u0301anique y e\u0301taient toujours \u00ab\u00a0tre\u0300s rares\u00a0\u00bb. Les effets de l’extraction durent probablement \u00ab\u00a0de nombreuses de\u0301cennies au moins\u00a0\u00bb et un plein retour de la vie est peut-e\u0302tre \u00ab\u00a0impossible\u00a0\u00bb avec l’extraction des nodules, qui servent d’habitat pour la vie marine.<\/p>\n

Cette mise en garde intervient au moment ou\u0300 les pays de\u0301battent de la cre\u0301ation d’un premier code minier que l’Autorite\u0301 internationale des fonds marins est cense\u0301e finaliser cette anne\u0301e. Les de\u0301fenseurs de l’environnement s’opposent a\u0300 toute exploitation minie\u0300re et veulent prote\u0301ger la biodiversite\u0301, largement me\u0301connue, de ces abysses. Daniel Jones a localise\u0301 le site du test de 1979 en parcourant les archives. Selon lui, cette expe\u0301rimentation cache une histoire rocambolesque: la CIA essayait a\u0300 l’e\u0301poque de retrouver un sous-marin nucle\u0301aire russe, utilisant l’exploitation minie\u0300re comme couverture.<\/p>\n

\u00ab\u00a0Prendre des de\u0301cisions politiques mieux informe\u0301es\u00a0\u00bb<\/b><\/p>\n

Mais l’agence de renseignement ame\u0301ricaine a fini par louer son bateau pour une ve\u0301ritable ope\u0301ration d’extraction. \u00ab\u00a0Nos re\u0301sultats ne disent pas si l’exploitation minie\u0300re en eau profonde est socialement acceptable. Mais ils fournissent les donne\u0301es ne\u0301cessaires pour prendre des de\u0301cisions politiques mieux informe\u0301es\u00a0\u00bb, a souligne\u0301 Adrian Glover, du Muse\u0301e d’histoire naturelle de Londres, co-auteur de l’e\u0301tude.<\/p>\n

Pour plus d’informations et d’analyses sur la C\u00f4te d’Ivoire<\/span>, suivez Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – C\u00f4te d’Ivoire. Des scientifiques base\u0301s au Royaume-Uni ont cherche\u0301 a\u0300 e\u0301valuer les conse\u0301quences de l’extraction dans la zone de Clarion-Clipperton (CCZ), immense plaine a\u0300 plus de 4.000 me\u0300tres de profondeur, dans les eaux internationales entre Hawai\u0308 et le Mexique. Un test y a e\u0301te\u0301 mene\u0301 en 1979 avec une machine qui a racle\u0301 […]<\/p>\n","protected":false},"author":82,"featured_media":96963,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[37],"class_list":["post-96964","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-cote-divoire-2"],"yoast_head":"\nExploitation mini\u00e8re en eaux profondes : un retour \u00e0 la normale peut-\u00eatre "impossible" - C\u00f4te d'Ivoire<\/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.africa-press.net\/cotedivoire\/politique\/exploitation-miniere-en-eaux-profondes-un-retour-a-la-normale-peut-etre-impossible\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Exploitation mini\u00e8re en eaux profondes : un retour \u00e0 la normale peut-\u00eatre "impossible"\" \/>\n<meta property=\"og:description\" content=\"Africa-Press – C\u00f4te d’Ivoire. Des scientifiques base\u0301s au Royaume-Uni ont cherche\u0301 a\u0300 e\u0301valuer les conse\u0301quences de l’extraction dans la zone de Clarion-Clipperton (CCZ), immense plaine a\u0300 plus de 4.000 me\u0300tres de profondeur, dans les eaux internationales entre Hawai\u0308 et le Mexique. 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