{"id":70815,"date":"2025-08-25T12:00:00","date_gmt":"2025-08-25T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/efficacite-des-grandes-aires-protegees-en-oceans"},"modified":"2025-08-26T04:09:56","modified_gmt":"2025-08-26T04:09:56","slug":"efficacite-des-grandes-aires-protegees-en-oceans","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/efficacite-des-grandes-aires-protegees-en-oceans","title":{"rendered":"Efficacit\u00e9 des Grandes Aires Prot\u00e9g\u00e9es en Oc\u00e9ans"},"content":{"rendered":"

Africa-Press – Senegal. <\/strong><\/span>Des scientifiques ont mis en e\u0301vidence l\u2019utilite\u0301 de tre\u0300s grandes aires marines prote\u0301ge\u0301es pour encourager la biodiversite\u0301, apre\u0300s avoir e\u0301tudie\u0301 celle mise en place dans l\u2019archipel des Chagos dans l\u2019oce\u0301an Indien, dans une e\u0301tude publie\u0301e jeudi.<\/p>\n

Une zone prote\u0301ge\u0301e ge\u0301ante de 640.000 km2, l\u2019une des plus grandes du monde, a e\u0301te\u0301 mise en place en 2010 dans cette re\u0301gion actuellement sous souverainete\u0301 britannique mais dont le contro\u0302le doit a\u0300 l\u2019avenir revenir a\u0300 l\u2019i\u0302le Maurice. La pe\u0302che commerciale et les activite\u0301s extractives y sont interdites.<\/p>\n

Les chercheurs, qui publient leurs conclusions dans la revue Journal of applied ecology, y ont suivi les de\u0301placements d\u2019espe\u0300ces de tortues de mer (tortue imbrique\u0301e), de raies manta de re\u0301cif et de plusieurs oiseaux marins.<\/p>\n

Les aires marines prote\u0301ge\u0301es (AMP) \u00ab sont souvent conc\u0327ues pour prote\u0301ger des richesses locales comme des barrie\u0300res de corail et la faune associe\u0301e \u00bb, a explique\u0301 a\u0300 l\u2019AFP Alice Trevail, chercheuse a\u0300 l\u2019universite\u0301 d\u2019Exeter, l\u2019une des auteurs.<\/p>\n

L\u2019utilite\u0301 d\u2019une version plus e\u0301tendue de ces espaces de protection a e\u0301te\u0301 de\u0301battue par les scientifiques, dans la mesure ou\u0300 certaines espe\u0300ces tre\u0300s mobiles pourraient en de\u0301passer facilement les limites.<\/p>\n

Mais \u00ab nous avons aussi de\u0301montre\u0301 leur ne\u0301cessite\u0301 pour prote\u0301ger les grands animaux mobiles, qui ont de tre\u0300s longs rayons de de\u0301placement \u00bb, a-t-elle souligne\u0301.<\/p>\n

Les animaux e\u0301tudie\u0301s dans l\u2019e\u0301tude sont ainsi reste\u0301s quasi exclusivement (a\u0300 95%) dans le pe\u0301rime\u0300tre prote\u0301ge\u0301 malgre\u0301 leurs de\u0301placements lie\u0301s a\u0300 la nourriture, a\u0300 la reproduction ou a\u0300 leurs habitudes de migration locale.<\/p>\n

Les chercheurs ont aussi mode\u0301lise\u0301 l\u2019efficacite\u0301 d\u2019une aire plus petite de 100.000 km2. Selon eux, 97% des points de passage des raies manta et 94% de ceux des tortues se trouveraient dans la zone prote\u0301ge\u0301e, qui resterait donc efficace. En revanche, le chiffre descend a\u0300 59% pour les oiseaux marins, qui voyagent sur de plus grandes distances.<\/p>\n

Ces conclusions soulignent aussi l\u2019inte\u0301re\u0302t de ces grands espaces de protection pour atteindre 30% de protection des oce\u0301ans d\u2019ici 2030, objectifs de la COP15 biodiversite\u0301 de 2022, rele\u0300vent les auteurs.<\/p>\n

Ils rappellent que les niveaux de protection restent ine\u0301gaux, des activite\u0301s \u00ab dommageables \u00bb a\u0300 la biodiversite\u0301 comme la pe\u0302che restant autorise\u0301es dans certains espaces pourtant the\u0301oriquement prote\u0301ge\u0301s. Les chercheurs jugent aussi les re\u0301sultats \u00ab particulie\u0300rement pertinents \u00bb compte-tenu du changement de souverainete\u0301 qui s\u2019annonce dans la re\u0301gion.<\/p>\n

Le Royaume-Uni a signe\u0301 en mai un accord pour re\u0301troce\u0301der a\u0300 l\u2019i\u0302le Maurice l\u2019archipel des Chagos, tout en pre\u0301voyant le maintien d\u2019une base militaire ame\u0301ricano-britannique sur l\u2019une des i\u0302les, dans cette re\u0301gion strate\u0301gique.<\/p>\n

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

Africa-Press – Senegal. Des scientifiques ont mis en e\u0301vidence l\u2019utilite\u0301 de tre\u0300s grandes aires marines prote\u0301ge\u0301es pour encourager la biodiversite\u0301, apre\u0300s avoir e\u0301tudie\u0301 celle mise en place dans l\u2019archipel des Chagos dans l\u2019oce\u0301an Indien, dans une e\u0301tude publie\u0301e jeudi. Une zone prote\u0301ge\u0301e ge\u0301ante de 640.000 km2, l\u2019une des plus grandes du monde, a e\u0301te\u0301 mise […]<\/p>\n","protected":false},"author":82,"featured_media":70814,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-70815","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"\nEfficacit\u00e9 des Grandes Aires Prot\u00e9g\u00e9es en Oc\u00e9ans - Senegal<\/title>\n<meta name=\"description\" content=\"Des scientifiques ont mis en e\u0301vidence l\u2019utilite\u0301 de tre\u0300s grandes aires marines prote\u0301ge\u0301es pour encourager la biodiver ...\" \/>\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\/senegal\/toutes-les-actualites\/efficacite-des-grandes-aires-protegees-en-oceans\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Efficacit\u00e9 des Grandes Aires Prot\u00e9g\u00e9es en Oc\u00e9ans\" \/>\n<meta property=\"og:description\" content=\"Des scientifiques ont mis en e\u0301vidence l\u2019utilite\u0301 de tre\u0300s grandes aires marines prote\u0301ge\u0301es pour encourager la biodiver ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/efficacite-des-grandes-aires-protegees-en-oceans\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-25T12:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-26T04:09:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/08\/sm_1756209792.647451.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/efficacite-des-grandes-aires-protegees-en-oceans#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/efficacite-des-grandes-aires-protegees-en-oceans\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Efficacit\u00e9 des Grandes Aires Prot\u00e9g\u00e9es en Oc\u00e9ans\",\"datePublished\":\"2025-08-25T12:00:00+00:00\",\"dateModified\":\"2025-08-26T04:09:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/efficacite-des-grandes-aires-protegees-en-oceans\"},\"wordCount\":515,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/efficacite-des-grandes-aires-protegees-en-oceans#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/08\/sm_1756209792.647451.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/efficacite-des-grandes-aires-protegees-en-oceans#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/efficacite-des-grandes-aires-protegees-en-oceans\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/efficacite-des-grandes-aires-protegees-en-oceans\",\"name\":\"Efficacit\u00e9 des Grandes Aires Prot\u00e9g\u00e9es en Oc\u00e9ans - 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