{"id":7331,"date":"2026-02-25T06:58:00","date_gmt":"2026-02-25T10:58:00","guid":{"rendered":"https:\/\/martinique2050.com\/?p=7331"},"modified":"2026-02-25T06:58:00","modified_gmt":"2026-02-25T10:58:00","slug":"les-herbiers-marins-ces-prairies-bleues-en-voie-de-disparition","status":"publish","type":"post","link":"https:\/\/martinique2050.com\/en\/les-herbiers-marins-ces-prairies-bleues-en-voie-de-disparition\/","title":{"rendered":"Les herbiers marins, ces \u00ab prairies bleues \u00bb en voie de disparition"},"content":{"rendered":"<div data-test-render-count=\"1\">\n<div class=\"group\">\n<div class=\"contents\">\n<div class=\"group relative relative pb-3\" data-is-streaming=\"false\">\n<div class=\"font-claude-response relative leading-[1.65rem] [&amp;_pre&gt;div]:bg-bg-000\/50 [&amp;_pre&gt;div]:border-0.5 [&amp;_pre&gt;div]:border-border-400 [&amp;_.ignore-pre-bg&gt;div]:bg-transparent [&amp;_.standard-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [&amp;_.standard-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8 [&amp;_.progressive-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [&amp;_.progressive-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8\">\n<div class=\"standard-markdown grid-cols-1 grid [&amp;_&gt;_*]:min-w-0 gap-3 standard-markdown\">\n<blockquote class=\"quote-solid\">\n<h3 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><em>\u00ab Les herbiers marins sont parmi les \u00e9cosyst\u00e8mes les plus pr\u00e9cieux dont nous disposons face aux crises climatique et \u00e9cologique. Sensibiliser, prot\u00e9ger et restaurer les herbiers marins n&rsquo;est plus une option : c&rsquo;est une urgence \u00bb,<\/em><\/h3>\n<\/blockquote>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>souligne Ana\u00efs Mass\u00e9, responsable scientifique de la Fondation de la Mer.<\/strong><\/p>\n<h2 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">\u00c0 l&rsquo;occasion de la Journ\u00e9e mondiale des herbiers marins, c\u00e9l\u00e9br\u00e9e le 1er mars, la Fondation de la Mer tire la sonnette d&rsquo;alarme : ces \u00e9cosyst\u00e8mes sous-marins d&rsquo;une importance capitale disparaissent \u00e0 une vitesse alarmante. Pr\u00e8s d&rsquo;un tiers des herbiers marins a d\u00e9j\u00e0 \u00e9t\u00e9 perdu depuis la fin du XIXe si\u00e8cle, et aujourd&rsquo;hui, l&rsquo;\u00e9quivalent d&rsquo;un terrain de football s&rsquo;efface toutes les 30 minutes. Une urgence \u00e9cologique qui concerne directement les territoires ultramarins fran\u00e7ais, dont la Martinique.<\/h2>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Discrets, souvent m\u00e9connus du grand public, les herbiers marins sont pourtant l&rsquo;un des maillons essentiels de la vie oc\u00e9anique. Ces prairies sous-marines, constitu\u00e9es de plantes \u00e0 fleurs adapt\u00e9es au milieu marin, rendent des services \u00e9cosyst\u00e9miques consid\u00e9rables : puits de carbone, nurseries pour les poissons et invert\u00e9br\u00e9s, remparts naturels contre l&rsquo;\u00e9rosion c\u00f4ti\u00e8re et les ph\u00e9nom\u00e8nes climatiques extr\u00eames. Un seul m\u00e8tre carr\u00e9 d&rsquo;herbier de posidonie en M\u00e9diterran\u00e9e peut produire jusqu&rsquo;\u00e0 10 litres d&rsquo;oxyg\u00e8ne par jour, et un hectare peut abriter jusqu&rsquo;\u00e0 98 000 poissons et 123 millions d&rsquo;invert\u00e9br\u00e9s.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Malgr\u00e9 leur r\u00f4le vital, 7 % des herbiers marins disparaissent chaque ann\u00e9e dans le monde. Sur les 72 esp\u00e8ces recens\u00e9es, 22 sont d\u00e9sormais menac\u00e9es d&rsquo;extinction, et 21 % sont class\u00e9es \u00ab quasi menac\u00e9es \u00bb, \u00ab vuln\u00e9rables \u00bb ou \u00ab en danger \u00bb par l&rsquo;Union internationale pour la conservation de la nature (UICN).<\/p>\n<h2 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><strong>La France ultramarine en premi\u00e8re ligne<\/strong><\/h2>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-7333 alignleft\" src=\"https:\/\/martinique2050.com\/wp-content\/uploads\/2026\/02\/images-1-1.jpg\" alt=\"\" width=\"260\" height=\"194\" \/>La France, forte du plus vaste espace maritime au monde, porte une responsabilit\u00e9 particuli\u00e8re dans la pr\u00e9servation de ces \u00e9cosyst\u00e8mes. Dans les Cara\u00efbes, l&rsquo;oc\u00e9an Indien et le Pacifique, les herbiers marins fran\u00e7ais s&rsquo;\u00e9tendent sur pr\u00e8s de 1 250 km\u00b2. Des territoires comme la Martinique sont donc directement concern\u00e9s par cette r\u00e9gression, leurs c\u00f4tes et leur biodiversit\u00e9 marine \u00e9tant intimement li\u00e9es \u00e0 la sant\u00e9 de ces prairies bleues.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Face \u00e0 l&rsquo;urgence, la Fondation de la Mer multiplie les initiatives. Depuis 2022, elle pilote un vaste programme de restauration des herbiers d\u00e9grad\u00e9s en Europe et dans les outre-mer, \u00e0 travers des campagnes de collecte et de transplantation de fragments. Elle est \u00e9galement \u00e0 l&rsquo;origine de l&rsquo;Alliance For European Seas, en partenariat avec des fondations finlandaises et italiennes, qui a d\u00e9j\u00e0 permis la plantation de plus de 68 000 pieds \u00e0 travers le continent. En parall\u00e8le, la plateforme de financement participatif SOS Corail, d\u00e9velopp\u00e9e avec l&rsquo;IFRECOR, permet de soutenir des projets de pr\u00e9servation des r\u00e9cifs coralliens, mangroves et herbiers dans les territoires ultramarins.<\/p>\n<p class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\">Sans mobilisation collective et financements suffisants, ces \u00e9cosyst\u00e8mes vitaux continueront de s&rsquo;effacer silencieusement, emportant avec eux une part irrempla\u00e7able de la vie marine et de notre capacit\u00e9 \u00e0 faire face aux d\u00e9r\u00e8glements climatiques.<\/p>\n<p>Martinique2050<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"flex justify-start\" role=\"group\" aria-label=\"Message actions\">\n<div class=\"text-text-300\">\n<div class=\"text-text-300 flex items-stretch justify-between\">\n<div class=\"w-fit\" data-state=\"closed\">\n<div class=\"relative text-text-500 group-hover\/btn:text-text-100\">\n<div class=\"transition-all opacity-100 scale-100\"><\/div>\n<div class=\"absolute top-0 left-0 transition-all opacity-0 scale-50\"><\/div>\n<\/div>\n<\/div>\n<div class=\"w-fit\" data-state=\"closed\">\n<div class=\"text-text-500 group-hover\/btn:text-text-100\"><\/div>\n<\/div>\n<div class=\"w-fit\" data-state=\"closed\">\n<div class=\"text-text-500 group-hover\/btn:text-text-100\"><\/div>\n<\/div>\n<div class=\"flex items-center\">\n<div class=\"w-fit\" data-state=\"closed\">\n<div class=\"text-text-500 group-hover\/btn:text-text-100\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"h-px w-full pointer-events-none\" aria-hidden=\"true\"><\/div>\n<div>\n<div class=\"ml-1 flex items-center transition-transform duration-300 ease-out mt-6\">\n<div class=\"p-1 -translate-x-px\">\n<div aria-hidden=\"true\">\n<div class=\"w-8 text-accent-brand inline-block select-none\" data-state=\"closed\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"h-12\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00ab Les herbiers marins sont parmi les \u00e9cosyst\u00e8mes les plus pr\u00e9cieux dont nous disposons face aux crises climatique et \u00e9cologique. Sensibiliser, prot\u00e9ger et restaurer les herbiers marins n&rsquo;est plus une option : c&rsquo;est une urgence \u00bb, souligne Ana\u00efs Mass\u00e9, responsable scientifique de la Fondation de la Mer. \u00c0 l&rsquo;occasion de la Journ\u00e9e mondiale des herbiers &hellip;<\/p>","protected":false},"author":1,"featured_media":7332,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":"","footnotes":""},"categories":[1547],"tags":[],"class_list":["post-7331","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-biodiversite"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les herbiers marins, ces \u00ab prairies bleues \u00bb en voie de disparition - martinique2050<\/title>\n<meta name=\"description\" content=\"\u00ab Les herbiers marins sont parmi les \u00e9cosyst\u00e8mes les plus pr\u00e9cieux dont nous disposons face aux crises climatique et \u00e9cologique. 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