{"id":7115,"date":"2026-05-05T16:16:58","date_gmt":"2026-05-05T20:16:58","guid":{"rendered":"https:\/\/caribbean-risks.org\/?p=7115"},"modified":"2026-05-11T13:16:41","modified_gmt":"2026-05-11T17:16:41","slug":"sargasses-dans-les-caraibes","status":"publish","type":"post","link":"https:\/\/caribbean-risks.org\/en\/sargasses-dans-les-caraibes\/","title":{"rendered":"Sargasses dans les Cara\u00efbes : comprendre la crise et adopter les bons r\u00e9flexes pour se prot\u00e9ger"},"content":{"rendered":"<p>[et_pb_section fb_built=\u00a0\u00bb1&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb custom_padding=\u00a0\u00bb2px|||||\u00a0\u00bb da_disable_devices=\u00a0\u00bboff|off|off\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb da_is_popup=\u00a0\u00bboff\u00a0\u00bb da_exit_intent=\u00a0\u00bboff\u00a0\u00bb da_has_close=\u00a0\u00bbon\u00a0\u00bb da_alt_close=\u00a0\u00bboff\u00a0\u00bb da_dark_close=\u00a0\u00bboff\u00a0\u00bb da_not_modal=\u00a0\u00bbon\u00a0\u00bb da_is_singular=\u00a0\u00bboff\u00a0\u00bb da_with_loader=\u00a0\u00bboff\u00a0\u00bb da_has_shadow=\u00a0\u00bbon\u00a0\u00bb][et_pb_row _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb min_height=\u00a0\u00bb530px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#244e52&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_image src=\u00a0\u00bbhttps:\/\/caribbean-risks.org\/wp-content\/uploads\/2026\/05\/images-sargasses-2-scaled.jpg\u00a0\u00bb title_text=\u00a0\u00bbimages sargasses\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bb_initial\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/et_pb_image][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_enable_image=\u00a0\u00bboff\u00a0\u00bb background_size=\u00a0\u00bbcontain\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h1><span style=\"color: #ffffff;\"><b><span style=\"color: #ffca57;\"><em>Sargasses<\/em><\/span> dans les Cara\u00efbes : comprendre la crise et adopter les bons r\u00e9flexes pour se prot\u00e9ger<\/b><\/span><\/h1>\n<p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p><span style=\"font-weight: 400; color: #ffffff;\">Depuis 2011, des masses colossales d&rsquo;algues brunes s&rsquo;\u00e9chouent chaque ann\u00e9e sur les littoraux carib\u00e9ens. Ce ph\u00e9nom\u00e8ne, jadis inconnu \u00e0 cette \u00e9chelle, est devenu un risque majeur pour la sant\u00e9 des populations, les \u00e9cosyst\u00e8mes c\u00f4tiers et les \u00e9conomies insulaires de la r\u00e9gion.<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb1_4,1_4,1_4,1_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#FFFFFF\u00a0\u00bb min_height=\u00a0\u00bb137.6px\u00a0\u00bb custom_padding=\u00a0\u00bb20px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#E27254&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: x-large; color: #ffffff;\"><b><\/b><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: x-large; color: #ffffff;\"><b>2011<\/b><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400; color: #ffffff;\">D\u00e9but des \u00e9chouements massifs dans la Cara\u00efbe<\/span><\/p>\n<p style=\"text-align: center;\">\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#18baa8&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: x-large; color: #ffffff;\"><b><\/b><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: x-large; color: #ffffff;\"><b>20 Mt<\/b><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400; color: #ffffff;\">Tonnes d&rsquo;algues estim\u00e9es dans l&rsquo;Atlantique en 2018 (ann\u00e9e record)<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#ffca57&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: x-large; color: #ffffff;\"><b><\/b><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: x-large; color: #ffffff;\"><b>8 850 km<\/b><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400; color: #ffffff;\">Longueur de la Grande Ceinture Atlantique de sargasses (2022-2023)<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#bcce78&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: x-large; color: #ffffff;\"><b><\/b><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-size: x-large; color: #ffffff;\"><b>48 H<\/b><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400; color: #ffffff;\">D\u00e9lai avant production de gaz toxiques apr\u00e8s \u00e9chouement<\/span><\/p>\n<p style=\"text-align: center;\">\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb border_width_bottom=\u00a0\u00bb0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2><strong><span style=\"color: #244e52;\">L\u2019histoire des sargasses dans la Cara\u00efbe\u00a0<\/span><\/strong><\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb min_height=\u00a0\u00bb588px\u00a0\u00bb custom_margin=\u00a0\u00bb-15px|auto||auto||\u00a0\u00bb custom_padding=\u00a0\u00bb19px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p><span style=\"font-weight: 400;\">Depuis des si\u00e8cles, elles peuplent naturellement une vaste \u00e9tendue de l&rsquo;Atlantique Nord appel\u00e9e mer des Sargasses, au large de la Floride. Christophe Colomb les avait d\u00e9j\u00e0 d\u00e9crites lors de son premier voyage en 1492.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ces algues jouent un r\u00f4le \u00e9cologique: elles constituent un habitat unique pour de nombreuses esp\u00e8ces marines, contribuent \u00e0 la fixation du carbone atmosph\u00e9rique et servent de nurseries pour des esp\u00e8ces comme le thon ou l&rsquo;anguille.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Toutefois, <\/span><b>depuis 2011, la situation a radicalement chang\u00e9<\/b><span style=\"font-weight: 400;\">. Des quantit\u00e9s sans pr\u00e9c\u00e9dent de sargasses s&rsquo;\u00e9chouent massivement sur les c\u00f4tes de la Cara\u00efbe, du golfe du Mexique et du golfe de Guin\u00e9e.<\/span><\/p>\n<p><span style=\"font-weight: 400;\"><\/span><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb min_height=\u00a0\u00bb50px\u00a0\u00bb custom_padding=\u00a0\u00bb||16px|||\u00a0\u00bb border_color_all=\u00a0\u00bb#244e52&Prime; border_width_bottom=\u00a0\u00bb0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2><strong><span style=\"color: #244e52;\">Pourquoi y a-t-il autant de sargasses depuis 2011 ?<\/span><\/strong><\/h2>\n<p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p><span style=\"font-weight: 400;\">Trois facteurs principaux ressortent pour les scientifiques depuis 2025.<\/span><\/p>\n<h4><span style=\"color: #ffca57;\"><b>1. Le r\u00e9chauffement climatique<\/b><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">La hausse des temp\u00e9ratures de surface de l&rsquo;oc\u00e9an Atlantique tropical fournit des conditions id\u00e9ales \u00e0 la prolif\u00e9ration des sargasses. M\u00e9t\u00e9o-France Martinique a signal\u00e9 qu&rsquo;en novembre 2024, la temp\u00e9rature moyenne des eaux de surface a atteint 20,58 \u00b0C, soit <\/span><b>+0,46 \u00b0C au-dessus de la moyenne 1991-2020<\/b><span style=\"font-weight: 400;\">, avec des pr\u00e9visions indiquant que cette tendance se prolongerait.\u00a0<\/span><\/p>\n<h4><span style=\"color: #ffca57;\"><b>2. Un exc\u00e8s de nutriments dans l\u2019oc\u00e9an<\/b><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Les sargasses se nourrissent de nutriments pr\u00e9sents dans l\u2019eau, comme l\u2019azote et le phosphore. Ces \u00e9l\u00e9ments proviennent notamment des activit\u00e9s humaines et sont transport\u00e9s dans l\u2019oc\u00e9an, ce qui favorise leur croissance dans des zones o\u00f9 elles \u00e9taient auparavant quasi absentes.<\/span><\/p>\n<h4><span style=\"color: #ffca57;\"><b>3. Les modifications des courants et vents aliz\u00e9s<\/b><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">On observe, ces derni\u00e8res ann\u00e9es, une modification des courants de surface et des vents. Ces derniers d\u00e9placent les masses d&rsquo;algues hors de leur zone naturelle, vers les r\u00e9gions tropicales et la Cara\u00efbe.\u00a0<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb min_height=\u00a0\u00bb33px\u00a0\u00bb border_width_bottom=\u00a0\u00bb0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2><span style=\"color: #244e52;\"><strong>Les effets des sargasses dans la Cara\u00efbe<\/strong><\/span><\/h2>\n<p><b><\/b><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#D6D6D6&Prime; border_width_left=\u00a0\u00bb3px\u00a0\u00bb border_color_left=\u00a0\u00bb#8F8F8F\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p><span style=\"font-weight: 400;\">\u00a0 Si les sargasses elles-m\u00eames ne sont pas toxiques au contact, leur d\u00e9composition \u00e0 terre g\u00e9n\u00e8re des<\/span><b> \u00e9missions gazeuses<\/b><span style=\"font-weight: 400;\"> dont les effets sur la sant\u00e9 des\u00a0 \u00a0 \u00a0 \u00a0populations riveraines sont document\u00e9s et pr\u00e9occupants.<\/span><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h4><span style=\"color: #ffca57;\"><b>Le risque sanitaire : la fen\u00eatre des 48 heures<\/b><\/span><\/h4>\n<p><span style=\"font-weight: 400;\">Apr\u00e8s seulement <\/span><b>24 \u00e0 48 heures d&rsquo;\u00e9chouement<\/b><span style=\"font-weight: 400;\">, la d\u00e9gradation des algues produit une trentaine de gaz. Deux d&rsquo;entre eux ont un impact pour la sant\u00e9 humaine :<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Le sulfure d&rsquo;hydrog\u00e8ne (H\u2082S)<\/b><span style=\"font-weight: 400;\"> &#8211; gaz incolore, plus lourd que l&rsquo;air, \u00e0 l&rsquo;odeur caract\u00e9ristique d&rsquo;\u0153uf pourri. \u00c0 de fortes concentrations, il peut provoquer des troubles respiratoires, neurologiques et cardiovasculaires potentiellement fatals.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>L&rsquo;ammoniac (NH\u2083)<\/b><span style=\"font-weight: 400;\"> &#8211; gaz incolore et hydrosoluble, irritant pour les voies respiratoires, les yeux et les muqueuses.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Les sargasses se comportent \u00e9galement comme de v\u00e9ritables \u00e9ponges en mer : elles absorbent et concentrent <\/span><b>l&rsquo;arsenic et d&rsquo;autres m\u00e9taux lourds<\/b><span style=\"font-weight: 400;\"> naturellement pr\u00e9sents dans l&rsquo;eau de mer. Ces m\u00e9taux se lib\u00e8rent progressivement lors de la d\u00e9composition \u00e0 terre, pouvant contaminer les sols et, \u00e0 terme, les nappes phr\u00e9atiques.<\/span><\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb background_color=\u00a0\u00bb#D6D6D6&Prime; border_width_left=\u00a0\u00bb3px\u00a0\u00bb border_color_left=\u00a0\u00bb#8F8F8F\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<p><span style=\"font-weight: 400;\">\u00a0 En cas d&rsquo;odeur d&rsquo;\u0153uf pourri \u00e0 proximit\u00e9 d&rsquo;un \u00e9chouement, les autorit\u00e9s sanitaires recommandent de <\/span><b>quitter la zone<\/b><span style=\"font-weight: 400;\">, et de consulter un m\u00e9decin en cas de\u00a0 \u00a0sympt\u00f4mes (yeux qui piquent, difficult\u00e9s respiratoires, maux de t\u00eate, vomissements).\u00a0 <\/span><span style=\"font-weight: 400;\">Les personnes vuln\u00e9rables (asthmatiques, jeunes enfants, personnes \u00e2g\u00e9es,\u00a0 \u00a0femmes enceintes) doivent \u00eatre prioritairement mises \u00e0 l&rsquo;abri. <\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb min_height=\u00a0\u00bb56px\u00a0\u00bb custom_margin=\u00a0\u00bb||25px|||\u00a0\u00bb border_width_bottom=\u00a0\u00bb0px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2><span style=\"color: #244e52;\"><strong>Comment se prot\u00e9ger des sargasses au quotidien ?<\/strong><\/span><\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb1_3,1_3,1_3&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_3&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][lwp_divi_flipbox front_title=\u00a0\u00bbObserver son environnement\u00a0\u00bb front_src=\u00a0\u00bbhttps:\/\/caribbean-risks.org\/wp-content\/uploads\/2026\/05\/nez-2.png\u00a0\u00bb front_background_color=\u00a0\u00bbRGBA(255,255,255,0)\u00a0\u00bb back_title=\u00a0\u00bbObserver son environnement\u00a0\u00bb back_body=\u00a0\u00bb<\/p>\n<ul>\n<li style=\"%22font-weight:\" 400;%22 aria-level=\"%222%22\"><span style=\"%22font-weight:\" 400;%22>Se fier \u00e0 l\u2019odeur pour adapter ses d\u00e9placements et choisir la meilleure zone. <\/span><\/li>\n<\/ul>\n<p><span style=\"%22font-weight:\" 400;%22><\/span><\/p>\n<ul>\n<li style=\"%22font-weight:\" 400;%22 aria-level=\"%222%22\"><span style=\"%22font-weight:\" 400;%22>Quitter les zones de bord de mer o\u00f9 les algues se sont accumul\u00e9es, surtout par temps chaud et sans vent. <\/span><\/li>\n<\/ul>\n<p>\u00a0\u00bb use_back_icon=\u00a0\u00bbon\u00a0\u00bb back_background_color=\u00a0\u00bb#e27254&Prime; flip_card_3d_effect=\u00a0\u00bboff\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb box_shadow_style=\u00a0\u00bbpreset3&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/lwp_divi_flipbox][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_3&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][lwp_divi_flipbox front_title=\u00a0\u00bbLimiter l&rsquo;exposition\u00a0\u00bb front_src=\u00a0\u00bbhttps:\/\/caribbean-risks.org\/wp-content\/uploads\/2026\/05\/main-2.png\u00a0\u00bb front_background_color=\u00a0\u00bbRGBA(255,255,255,0)\u00a0\u00bb back_title=\u00a0\u00bbLimiter l&rsquo;exposition\u00a0\u00bb back_body=\u00a0\u00bb<\/p>\n<ul>\n<li style=\"%22font-weight:\" 400;%22 aria-level=\"%222%22\"><span style=\"%22font-weight:\" 400;%22>\u00c9viter de manipuler les algues en d\u00e9composition. <\/span><\/li>\n<\/ul>\n<p><span style=\"%22font-weight:\" 400;%22><\/span><\/p>\n<ul>\n<li style=\"%22font-weight:\" 400;%22 aria-level=\"%222%22\"><span style=\"%22font-weight:\" 400;%22>\u00c9viter la baignade et le contact avec les masses d\u2019algues flottantes.<\/span><\/li>\n<\/ul>\n<p><span style=\"%22font-weight:\" 400;%22><\/span><\/p>\n<\/p>\n<p>\u00a0\u00bb use_back_icon=\u00a0\u00bbon\u00a0\u00bb back_background_color=\u00a0\u00bb#e27254&Prime; flip_card_3d_effect=\u00a0\u00bboff\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb box_shadow_style=\u00a0\u00bbpreset3&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/lwp_divi_flipbox][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_3&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][lwp_divi_flipbox front_title=\u00a0\u00bbSe prot\u00e9ger dans les espaces ferm\u00e9s\u00a0\u00bb front_src=\u00a0\u00bbhttps:\/\/caribbean-risks.org\/wp-content\/uploads\/2026\/05\/voiture-1.png\u00a0\u00bb front_background_color=\u00a0\u00bbRGBA(255,255,255,0)\u00a0\u00bb back_title=\u00a0\u00bbSe prot\u00e9ger dans les espaces ferm\u00e9s\u00a0\u00bb back_body=\u00a0\u00bb<\/p>\n<ul>\n<li style=\"%22font-weight:\" 400;%22 aria-level=\"%222%22\"><span style=\"%22font-weight:\" 400;%22>Activer le recyclage d\u2019air dans sa voiture car les gaz stagnent dans les milieux confin\u00e9s. <\/span><\/li>\n<\/ul>\n<p><span style=\"%22font-weight:\" 400;%22><\/span><\/p>\n<ul>\n<li style=\"%22font-weight:\" 400;%22 aria-level=\"%222%22\"><span style=\"%22font-weight:\" 400;%22>Eviter les espaces mal ventil\u00e9s<\/span><\/li>\n<\/ul>\n<p>\u00a0\u00bb use_back_icon=\u00a0\u00bbon\u00a0\u00bb back_background_color=\u00a0\u00bb#e27254&Prime; flip_card_3d_effect=\u00a0\u00bboff\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb box_shadow_style=\u00a0\u00bbpreset3&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/lwp_divi_flipbox][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=\u00a0\u00bb1_3,1_3,1_3&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb1_3&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][lwp_divi_flipbox front_title=\u00a0\u00bbProt\u00e9ger les plus fragiles\u00a0\u00bb front_src=\u00a0\u00bbhttps:\/\/caribbean-risks.org\/wp-content\/uploads\/2026\/05\/mains-coeur.png\u00a0\u00bb front_background_color=\u00a0\u00bbRGBA(255,255,255,0)\u00a0\u00bb back_title=\u00a0\u00bbProt\u00e9ger les plus fragiles\u00a0\u00bb back_body=\u00a0\u00bb<\/p>\n<ul>\n<li style=\"%22font-weight:\" 400;%22 aria-level=\"%222%22\"><span style=\"%22font-weight:\" 400;%22>Comme les enfants, les femmes enceintes, les personnes \u00e2g\u00e9es ou les personnes asthmatiques. <\/span><\/li>\n<\/ul>\n<p><span style=\"%22font-weight:\" 400;%22><\/span><\/p>\n<ul>\n<li style=\"%22font-weight:\" 400;%22 aria-level=\"%222%22\"><span style=\"%22font-weight:\" 400;%22>Privil\u00e9gier les promenades avec son animal de compagnie dans des zones non expos\u00e9es.<\/span><\/li>\n<\/ul>\n<p><span style=\"%22font-weight:\" 400;%22><\/span><\/p>\n<p><span style=\"%22font-weight:\" 400;%22><\/span><\/p>\n<p>\u00a0\u00bb use_back_icon=\u00a0\u00bbon\u00a0\u00bb back_background_color=\u00a0\u00bb#e27254&Prime; flip_card_3d_effect=\u00a0\u00bboff\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb box_shadow_style=\u00a0\u00bbpreset3&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/lwp_divi_flipbox][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_3&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][lwp_divi_flipbox front_title=\u00a0\u00bbProt\u00e9ger son logement\u00a0\u00bb front_src=\u00a0\u00bbhttps:\/\/caribbean-risks.org\/wp-content\/uploads\/2026\/05\/fenetre.png\u00a0\u00bb front_background_color=\u00a0\u00bbRGBA(255,255,255,0)\u00a0\u00bb back_title=\u00a0\u00bbProt\u00e9ger son logement\u00a0\u00bb back_body=\u00a0\u00bb<\/p>\n<ul>\n<li style=\"%22font-weight:\" 400;%22 aria-level=\"%222%22\"><span style=\"%22font-weight:\" 400;%22>A\u00e9rer quand les odeurs sont moins pr\u00e9sentes.<\/span><\/li>\n<li style=\"%22font-weight:\" 400;%22 aria-level=\"%222%22\"><span style=\"%22font-weight:\" 400;%22>Garder les fen\u00eatres c\u00f4t\u00e9 mer ferm\u00e9es lorsque des algues sont proches. <\/span><\/li>\n<li style=\"%22font-weight:\" 400;%22 aria-level=\"%222%22\"><span style=\"%22font-weight:\" 400;%22>Faire s\u00e9cher son linge en int\u00e9rieur et laver ses v\u00eatements des expositions aux sargasses. Les odeurs\/gaz peuvent impr\u00e9gner les tissus. <\/span><\/li>\n<\/ul>\n<p>\u00a0\u00bb use_back_icon=\u00a0\u00bbon\u00a0\u00bb back_background_color=\u00a0\u00bb#e27254&Prime; flip_card_3d_effect=\u00a0\u00bboff\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb hover_enabled=\u00a0\u00bb0&Prime; box_shadow_style=\u00a0\u00bbpreset3&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb sticky_enabled=\u00a0\u00bb0&Prime;][\/lwp_divi_flipbox][\/et_pb_column][et_pb_column type=\u00a0\u00bb1_3&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][lwp_divi_flipbox front_title=\u00a0\u00bbProt\u00e9ger sa sant\u00e9\u00a0\u00bb front_src=\u00a0\u00bbhttps:\/\/caribbean-risks.org\/wp-content\/uploads\/2026\/05\/sante.png\u00a0\u00bb front_background_color=\u00a0\u00bbRGBA(255,255,255,0)\u00a0\u00bb back_title=\u00a0\u00bbProt\u00e9ger les plus fragiles\u00a0\u00bb back_body=\u00a0\u00bb<\/p>\n<ul>\n<li><span style=\"%22font-weight:\" 400;%22>Consulter un m\u00e9decin d\u00e8s les premiers sympt\u00f4mes.<\/span><\/li>\n<\/ul>\n<p>\u00a0\u00bb use_back_icon=\u00a0\u00bbon\u00a0\u00bb back_background_color=\u00a0\u00bb#e27254&Prime; flip_card_3d_effect=\u00a0\u00bboff\u00a0\u00bb _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb box_shadow_style=\u00a0\u00bbpreset3&Prime; global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][\/lwp_divi_flipbox][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb border_width_bottom=\u00a0\u00bb2px\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<h2>Sources et r\u00e9f\u00e9rences<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb min_height=\u00a0\u00bb396px\u00a0\u00bb custom_padding=\u00a0\u00bb1px|||||\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_column type=\u00a0\u00bb4_4&Prime; _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb][et_pb_text _builder_version=\u00a0\u00bb4.27.6&Prime; _module_preset=\u00a0\u00bbdefault\u00a0\u00bb global_colors_info=\u00a0\u00bb{}\u00a0\u00bb]<\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e9t\u00e9o-France Martinique, <\/span><i><span style=\"font-weight: 400;\">Bulletins de pr\u00e9vision d&rsquo;\u00e9chouement des sargasses p\u00e9lagiques<\/span><\/i><span style=\"font-weight: 400;\">, mis \u00e0 jour en continu. <\/span><a href=\"https:\/\/meteofrance.mq\/fr\/sargasses\"><span style=\"font-weight: 400;\">meteofrance.mq\/fr\/sargasses<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e9t\u00e9o-France Martinique, <\/span><i><span style=\"font-weight: 400;\">D\u00e9tection pr\u00e9coce des sargasses en Atlantique : une alerte pour la Cara\u00efbe<\/span><\/i><span style=\"font-weight: 400;\">, d\u00e9cembre 2024. <\/span><a href=\"https:\/\/meteofrance.mq\/fr\/sargasses\/detection-precoce-des-sargasses-en-atlantique-une-alerte-pour-la-caraibe\"><span style=\"font-weight: 400;\">meteofrance.mq<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">M\u00e9t\u00e9o-France Guadeloupe, <\/span><i><span style=\"font-weight: 400;\">Bulletin de pr\u00e9vision d&rsquo;\u00e9chouement des sargasses p\u00e9lagiques<\/span><\/i><span style=\"font-weight: 400;\">. <\/span><a href=\"https:\/\/meteofrance.gp\/fr\/sargasses\"><span style=\"font-weight: 400;\">meteofrance.gp\/fr\/sargasses<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Fieschi Jonathan, <\/span><i><span style=\"font-weight: 400;\">Les sargasses, un d\u00e9fi pour la Cara\u00efbe<\/span><\/i><span style=\"font-weight: 400;\">, G\u00e9oconfluences, f\u00e9vrier 2025 (mis \u00e0 jour octobre 2025). <\/span><a href=\"https:\/\/geoconfluences.ens-lyon.fr\"><span style=\"font-weight: 400;\">geoconfluences.ens-lyon.fr<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">IRD, <\/span><i><span style=\"font-weight: 400;\">Une expertise scientifique face au d\u00e9fi des sargasses dans les Cara\u00efbes<\/span><\/i><span style=\"font-weight: 400;\">, janvier 2026. <\/span><a href=\"https:\/\/www.ird.fr\/une-expertise-scientifique-face-au-defi-des-sargasses-dans-les-caraibes\"><span style=\"font-weight: 400;\">ird.fr<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">ACS-AEC, <\/span><i><span style=\"font-weight: 400;\">L&rsquo;\u00e9tablissement de la Sous-Commission des Sargasses de l&rsquo;AEC<\/span><\/i><span style=\"font-weight: 400;\">, octobre 2024. <\/span><a href=\"https:\/\/www.acs-aec.org\/fr\"><span style=\"font-weight: 400;\">acs-aec.org<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">R\u00e9si\u00e8re D. et al., <\/span><i><span style=\"font-weight: 400;\">Sargassum seaweed health menace in the Caribbean<\/span><\/i><span style=\"font-weight: 400;\">, Clinical Toxicology, 2021. DOI : 10.1080\/15563650.2020.1789162<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Haut Conseil de la Sant\u00e9 Publique (HCSP), <\/span><i><span style=\"font-weight: 400;\">Recommandations sanitaires sp\u00e9cifiques en lien avec les \u00e9missions de gaz par les algues sargasses<\/span><\/i><span style=\"font-weight: 400;\">, 2022. <\/span><a href=\"https:\/\/www.hcsp.fr\"><span style=\"font-weight: 400;\">hcsp.fr<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Gwad&rsquo;Air, <\/span><i><span style=\"font-weight: 400;\">Algues sargasses : origine et cons\u00e9quences \u2013 surveillance H\u2082S et NH\u2083<\/span><\/i><span style=\"font-weight: 400;\">. <\/span><a href=\"https:\/\/www.gwadair.fr\/surveiller\/mesures-sargasses\"><span style=\"font-weight: 400;\">gwadair.fr<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">La 1\u00e8re \/ France Info, <\/span><i><span style=\"font-weight: 400;\">Coop\u00e9ration r\u00e9gionale renforc\u00e9e en Cara\u00efbe \u2013 projet SARSEA<\/span><\/i><span style=\"font-weight: 400;\">, novembre 2025. <\/span><a href=\"https:\/\/la1ere.franceinfo.fr\"><span style=\"font-weight: 400;\">la1ere.franceinfo.fr<\/span><\/a><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\">ARS Guadeloupe, <i style=\"font-size: 14px;\"><span>Sargasses : recommandations sanitaires et mesures de gestion<\/span><\/i><span style=\"font-weight: 400;\">. <\/span><a href=\"https:\/\/www.guadeloupe.gouv.fr\" style=\"font-size: 14px;\"><span>guadeloupe.gouv.fr<\/span><\/a><\/li>\n<\/ul>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":"<p>Sargasses dans les Cara\u00efbes : comprendre la crise et adopter les bons r\u00e9flexes pour se prot\u00e9gerDepuis 2011, des masses colossales d&rsquo;algues brunes s&rsquo;\u00e9chouent chaque ann\u00e9e sur les littoraux carib\u00e9ens. Ce ph\u00e9nom\u00e8ne, jadis inconnu \u00e0 cette \u00e9chelle, est devenu un risque majeur pour la sant\u00e9 des populations, les \u00e9cosyst\u00e8mes c\u00f4tiers et les \u00e9conomies insulaires de la [&hellip;]<\/p>","protected":false},"author":3,"featured_media":7153,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"<!-- wp:code -->\n<pre class=\"wp-block-code\"><code><\/code><\/pre>\n<!-- \/wp:code -->","_et_gb_content_width":"1080","footnotes":""},"categories":[27,58],"tags":[],"class_list":["post-7115","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","category-french"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sargasses dans les Cara\u00efbes : comprendre la crise et adopter les bons r\u00e9flexes pour se prot\u00e9ger - 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