{"id":1671,"date":"2023-09-22T15:52:11","date_gmt":"2023-09-22T19:52:11","guid":{"rendered":"https:\/\/sargassummonitoring.com\/?p=1671"},"modified":"2025-05-25T10:31:54","modified_gmt":"2025-05-25T14:31:54","slug":"scientists-advise-avoiding-groundings-with-floating-barriers-to-protect-beaches","status":"publish","type":"post","link":"https:\/\/sargassummonitoring.com\/fr\/scientists-advise-avoiding-groundings-with-floating-barriers-to-protect-beaches\/","title":{"rendered":"Les chercheurs conseillent d'\u00e9viter les \u00e9chouages avec des barri\u00e8res flottantes pour prot\u00e9ger les plages."},"content":{"rendered":"<div class=\"wp-block-uagb-container uagb-block-e36f9658 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-8448343880170654\"\n     crossorigin=\"anonymous\"><\/script>\n<ins class=\"adsbygoogle\"\n     style=\"display:block; text-align:center;\"\n     data-ad-layout=\"in-article\"\n     data-ad-format=\"fluid\"\n     data-ad-client=\"ca-pub-8448343880170654\"\n     data-ad-slot=\"3026197241\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-c366e5f0 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<h4 class=\"wp-block-heading\">Une r\u00e9cente \u00e9tude scientifique confirme l'efficacit\u00e9 de l'approche proactive et prudente adopt\u00e9e par les autorit\u00e9s locales en Guadeloupe.<\/h4>\n\n\n\n<p style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0\">Selon cette \u00e9tude, l'installation de barrages pour d\u00e9vier les bancs d'algues sargasses s'av\u00e8re \u00eatre la meilleure option. Ces dispositifs contribuent \u00e0 r\u00e9duire les \u00e9chouements d'algues et, par cons\u00e9quent, les concentrations de m\u00e9taux lourds sur les c\u00f4tes expos\u00e9es.<\/p>\n\n\n\n<p style=\"margin-top:0;margin-bottom:0\">Le d\u00e9ploiement de ces barrages d\u00e9viants s'intensifie sur le territoire guadeloup\u00e9en dans le but de lutter contre les \u00e9chouements d'algues sargasses, avec des r\u00e9sultats plus ou moins r\u00e9ussis.<\/p>\n\n\n<figure class=\"wp-block-post-featured-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"586\" src=\"https:\/\/sargassummonitoring.com\/wp-content\/uploads\/2023\/09\/Sargabarrier-Barriere-deviante-The-Ocean-Cleaner.webp\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" style=\"object-fit:cover;\" srcset=\"https:\/\/sargassummonitoring.com\/wp-content\/uploads\/2023\/09\/Sargabarrier-Barriere-deviante-The-Ocean-Cleaner.webp 1200w, https:\/\/sargassummonitoring.com\/wp-content\/uploads\/2023\/09\/Sargabarrier-Barriere-deviante-The-Ocean-Cleaner-300x147.webp 300w, https:\/\/sargassummonitoring.com\/wp-content\/uploads\/2023\/09\/Sargabarrier-Barriere-deviante-The-Ocean-Cleaner-1024x500.webp 1024w, https:\/\/sargassummonitoring.com\/wp-content\/uploads\/2023\/09\/Sargabarrier-Barriere-deviante-The-Ocean-Cleaner-768x375.webp 768w, https:\/\/sargassummonitoring.com\/wp-content\/uploads\/2023\/09\/Sargabarrier-Barriere-deviante-The-Ocean-Cleaner-18x9.webp 18w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n<p class=\"has-small-font-size\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-bottom:0\">Photo: Sargabarriers, barri\u00e8res flottantes de The Ocean Cleaner .fr<\/p>\n\n\n\n<div style=\"height:16px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p style=\"margin-top:0;margin-bottom:0\">Quoi qu'il en soit, cette initiative est encourag\u00e9e par une nouvelle \u00e9tude scientifique publi\u00e9e dans \"Sciences de l'environnement et recherche sur la pollution\", qui confirme l'efficacit\u00e9 des \"politiques volontaristes en mati\u00e8re de lutte contre les \u00e9chouements\" et pr\u00e9conise la prudence dans la r\u00e9habilitation des zones touch\u00e9es.<\/p>\n\n\n\n<p style=\"margin-top:0;margin-bottom:0\">Cette \u00e9tude, men\u00e9e notamment par un membre de l'\u00e9quipe de biologie de la mangrove de l'Universit\u00e9 des Antilles (UA), s'est pench\u00e9e sur la cin\u00e9tique des m\u00e9taux lourds pr\u00e9sents dans les algues lorsque celles-ci atteignent les zones c\u00f4ti\u00e8res. Les \u00e9chantillons ont \u00e9t\u00e9 pr\u00e9lev\u00e9s sur le littoral Guadeloup\u00e9en.<\/p>\n\n\n\n<p style=\"margin-top:0;margin-bottom:0\">Pour d\u00e9terminer cette cin\u00e9tique, c'est-\u00e0-dire la vitesse \u00e0 laquelle les algues se d\u00e9barrassent ou non de leurs m\u00e9taux lourds lorsqu'elles s'\u00e9chouent sur les c\u00f4tes, les scientifiques ont immerg\u00e9 des cages flottantes exp\u00e9rimentales pendant 25 jours dans trois environnements diff\u00e9rents : les r\u00e9cifs coralliens, les herbiers marins et une mangrove.<\/p>\n\n\n\n<p style=\"margin-top:0;margin-bottom:0\">Ensuite, les scientifiques, parmi lesquels Pierre-Yves Pascal, membre de l'\u00e9quipe de biologie de la mangrove de l'UA, ont mesur\u00e9 les concentrations de 19 oligo-\u00e9l\u00e9ments m\u00e9talliques \u00e0 la fin de cette p\u00e9riode. Il est \u00e0 noter qu'une \u00e9tude pr\u00e9c\u00e9dente avait r\u00e9v\u00e9l\u00e9 des proportions relativement faibles de m\u00e9taux, \u00e0 l'exception de l'arsenic.\nLes r\u00e9sultats les plus significatifs de cette \u00e9tude sont les suivants : bien que les trois types d'algues qui affectent l'archipel aient naturellement tendance \u00e0 lib\u00e9rer rapidement leur arsenic en mangrove, cette dynamique est beaucoup plus prononc\u00e9e que dans les deux autres environnements. Cette observation conduit les chercheurs \u00e0 conclure qu'il est imp\u00e9ratif d'\u00e9viter les \u00e9chouements, d'o\u00f9 l'importance des barrages d\u00e9viants. De plus, les politiques de r\u00e9habilitation doivent absolument prendre en compte ces nouvelles donn\u00e9es, en particulier en ce qui concerne la forte teneur en arsenic des sargasses nuisibles provenant de la mer.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-d0e10868 alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-8448343880170654\"\n     crossorigin=\"anonymous\"><\/script>\n<ins class=\"adsbygoogle\"\n     style=\"display:block; text-align:center;\"\n     data-ad-layout=\"in-article\"\n     data-ad-format=\"fluid\"\n     data-ad-client=\"ca-pub-8448343880170654\"\n     data-ad-slot=\"3026197241\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>A recent scientific study validates the proactive and cautious approach adopted by local authorities in Guadeloupe. The installation of barriers diverting sargassum seaweed banks emerges as the best option, according to its findings. These installations limit strandings and, consequently, metal concentrations on exposed coasts. The deployment of these diverting barricades is accelerating across the Guadeloupean [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1672,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-1671","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Scientists advise avoiding groundings with floating barriers to protect beaches. - Sargassum Monitoring<\/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:\/\/sargassummonitoring.com\/fr\/scientists-advise-avoiding-groundings-with-floating-barriers-to-protect-beaches\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Scientists advise avoiding groundings with floating barriers to protect beaches. - Sargassum Monitoring\" \/>\n<meta property=\"og:description\" content=\"A recent scientific study validates the proactive and cautious approach adopted by local authorities in Guadeloupe. The installation of barriers diverting sargassum seaweed banks emerges as the best option, according to its findings. These installations limit strandings and, consequently, metal concentrations on exposed coasts. The deployment of these diverting barricades is accelerating across the Guadeloupean [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sargassummonitoring.com\/fr\/scientists-advise-avoiding-groundings-with-floating-barriers-to-protect-beaches\/\" \/>\n<meta property=\"og:site_name\" content=\"Sargassum Monitoring\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/groups\/sargassummonitoring\" \/>\n<meta property=\"article:published_time\" content=\"2023-09-22T19:52:11+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-25T14:31:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sargassummonitoring.com\/wp-content\/uploads\/2023\/09\/Sargabarrier-Barriere-deviante-The-Ocean-Cleaner.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"586\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Christine J.\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SargaMonitoring\" \/>\n<meta name=\"twitter:site\" content=\"@SargaMonitoring\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Christine J.\" \/>\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:\/\/sargassummonitoring.com\/fr\/scientists-advise-avoiding-groundings-with-floating-barriers-to-protect-beaches\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/sargassummonitoring.com\/fr\/scientists-advise-avoiding-groundings-with-floating-barriers-to-protect-beaches\/\"},\"author\":{\"name\":\"Christine J.\",\"@id\":\"https:\/\/sargassummonitoring.com\/en\/#\/schema\/person\/1490918562b7f4b23593509b974b7215\"},\"headline\":\"Scientists advise avoiding groundings with floating barriers to protect beaches.\",\"datePublished\":\"2023-09-22T19:52:11+00:00\",\"dateModified\":\"2025-05-25T14:31:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/sargassummonitoring.com\/fr\/scientists-advise-avoiding-groundings-with-floating-barriers-to-protect-beaches\/\"},\"wordCount\":325,\"publisher\":{\"@id\":\"https:\/\/sargassummonitoring.com\/en\/#organization\"},\"image\":{\"@id\":\"https:\/\/sargassummonitoring.com\/fr\/scientists-advise-avoiding-groundings-with-floating-barriers-to-protect-beaches\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/sargassummonitoring.com\/wp-content\/uploads\/2023\/09\/Sargabarrier-Barriere-deviante-The-Ocean-Cleaner.webp\",\"articleSection\":[\"News\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/sargassummonitoring.com\/fr\/scientists-advise-avoiding-groundings-with-floating-barriers-to-protect-beaches\/\",\"url\":\"https:\/\/sargassummonitoring.com\/fr\/scientists-advise-avoiding-groundings-with-floating-barriers-to-protect-beaches\/\",\"name\":\"Scientists advise avoiding groundings with floating barriers to protect beaches. - 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