{"id":67214,"date":"2025-05-04T12:00:00","date_gmt":"2025-05-04T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques"},"modified":"2025-05-05T00:22:22","modified_gmt":"2025-05-05T00:22:22","slug":"invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques","title":{"rendered":"Invasion de Sargasses en Guadeloupe et Gaz Toxiques"},"content":{"rendered":"

Africa-Press – Senegal. <\/strong><\/span>Plusieurs chantiers de ramassage de sargasses sont en cours en Guadeloupe, envahie depuis plusieurs jours par ces algues brunes invasives et nause\u0301abondes qui de\u0301gagent des gaz toxiques quand elles pourrissent sur le littoral, a annonce\u0301 mercredi la pre\u0301fecture du de\u0301partement. \u00ab Onze chantiers de ramassage sont en cours sur les communes de Goyave, Petit-Bourg, Gosier, Sainte-Anne, Saint-Franc\u0327ois, le Moule et la De\u0301sirade. Cinq autres ope\u0301rations vont de\u0301buter de\u0300s aujourd\u2019hui et dans les jours a\u0300 venir, notamment a\u0300 Terre-de-Bas, Anse-Bertrand et Capesterre-de-Marie-Galante \u00bb, a pre\u0301cise\u0301 dans un communique\u0301 la pre\u0301fecture, qui finance le ramassage a\u0300 plus de 80 %.<\/p>\n

\u00ab De\u0301vier les algues \u00bb et \u00ab prote\u0301ger les plages \u00bb<\/b><\/p>\n

Depuis une semaine, de nombreux internautes ont publie\u0301 sur les re\u0301seaux sociaux des photos des rivages guadeloupe\u0301ens encombre\u0301s par les sargasses, ces algues brunes pre\u0301sentes dans l\u2019Atlantique qui de\u0301rivent jusqu\u2019aux co\u0302tes des pays des Carai\u0308bes, fle\u0301au re\u0301current pour la re\u0301gion. La Guadeloupe expe\u0301rimente aussi les barrages flottants, dont \u00ab 5.000 me\u0300tres \u00bb sont de\u0301ja\u0300 en place, au large des rives les plus touche\u0301es, pour \u00ab de\u0301vier les algues pour en faciliter la collecte, tout en prote\u0301geant les plages \u00bb, rappelle la pre\u0301fecture.<\/p>\n

Les organismes de surveillance alertent depuis mars sur la pre\u0301sence dans \u00ab l\u2019Atlantique tropical (…) \u00bb de ces algues, qui \u00ab a atteint un nouveau record historique \u00bb, selon un bulletin de l\u2019universite\u0301 du Sud de la Floride paru fin mars. Me\u0301te\u0301o France Antilles Guyane avait annonce\u0301 lundi de nouveaux \u00ab arrivages forts \u00bb de ces algues. La darse de Pointe-a\u0300-Pitre et plusieurs plages du Gosier ont e\u0301te\u0301 envahies par les algues brunes, occasionnant la stupeur des riverains. \u00ab C\u2019est aussi l\u2019absence de vent qui provoque ces e\u0301chouages inhabituels \u00bb, rele\u0300ve Jean-Franc\u0327ois Moniotte, sous-pre\u0301fet de Pointe-a\u0300-Pitre qui pilote la Mission Sargasses, charge\u0301e de ge\u0301rer ce fle\u0301au.<\/p>\n

Cartographie quotidenne<\/b><\/p>\n

En pourrissant, les algues de\u0301gagent une odeur nause\u0301abonde et du sulfure d\u2019hydroge\u0300ne, de l\u2019ammoniac et d\u2019autres gaz toxiques pour les populations riveraines. Deux communes ont de\u0301ja\u0300 de\u0301passe\u0301 le niveau de pre\u0301-alerte en e\u0301manations toxiques, a\u0300 Terre-de-Bas, aux Saintes et a\u0300 Marie-Galante, selon la cartographie que dresse quotidiennement l\u2019agence de mesure de la qualite\u0301 de l\u2019air, Gwad\u2019Air. En 2022, un groupement d\u2019inte\u0301re\u0302t public (GIP) avait e\u0301te\u0301 annonce\u0301 pour prendre en charge la gestion du fle\u0301au, avec les collectivite\u0301s locales, la re\u0301gion et le de\u0301partement comme acteurs majeurs. Il n\u2019a jamais fonctionne\u0301 et devrait e\u0302tre remplace\u0301 par un autre organisme public, en cours d\u2019e\u0301laboration.<\/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. Plusieurs chantiers de ramassage de sargasses sont en cours en Guadeloupe, envahie depuis plusieurs jours par ces algues brunes invasives et nause\u0301abondes qui de\u0301gagent des gaz toxiques quand elles pourrissent sur le littoral, a annonce\u0301 mercredi la pre\u0301fecture du de\u0301partement. \u00ab Onze chantiers de ramassage sont en cours sur les communes de […]<\/p>\n","protected":false},"author":82,"featured_media":67213,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-67214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"\nInvasion de Sargasses en Guadeloupe et Gaz Toxiques - Senegal<\/title>\n<meta name=\"description\" content=\"Plusieurs chantiers de ramassage de sargasses sont en cours en Guadeloupe, envahie depuis plusieurs jours par ces algues ...\" \/>\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\/invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Invasion de Sargasses en Guadeloupe et Gaz Toxiques\" \/>\n<meta property=\"og:description\" content=\"Plusieurs chantiers de ramassage de sargasses sont en cours en Guadeloupe, envahie depuis plusieurs jours par ces algues ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-04T12:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-05T00:22:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/05\/sm_1746391787.209871.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\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=\"2 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\/invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Invasion de Sargasses en Guadeloupe et Gaz Toxiques\",\"datePublished\":\"2025-05-04T12:00:00+00:00\",\"dateModified\":\"2025-05-05T00:22:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques\"},\"wordCount\":476,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/05\/sm_1746391787.209871.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\/invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/invasion-de-sargasses-en-guadeloupe-et-gaz-toxiques\",\"name\":\"Invasion de Sargasses en Guadeloupe et Gaz Toxiques - 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