{"id":28360,"date":"2024-05-25T13:12:15","date_gmt":"2024-05-25T13:12:15","guid":{"rendered":"https:\/\/www.iceagetv.com\/radiosite\/?p=28360"},"modified":"2024-05-25T13:12:15","modified_gmt":"2024-05-25T13:12:15","slug":"leau-couleur-marron-vert-de-plages-de-bretagne-interpelle-dou-vient-ce-phenomene","status":"publish","type":"post","link":"https:\/\/www.iceagetv.com\/radiosite\/leau-couleur-marron-vert-de-plages-de-bretagne-interpelle-dou-vient-ce-phenomene\/","title":{"rendered":"L&rsquo;eau couleur marron-vert de plages de Bretagne interpelle : d&rsquo;o\u00f9 vient ce ph\u00e9nom\u00e8ne\u00a0?"},"content":{"rendered":"\n<p class=\"\">Des locaux et des touristes ont observ\u00e9 le lundi de Pentec\u00f4te des\u00a0<strong>eaux color\u00e9es marron-vert<\/strong>\u00a0sur le littoral autour de l\u2019embouchure de la Vilaine dans le\u00a0<a href=\"https:\/\/actu.fr\/morbihan\/\">Morbihan<\/a>\u00a0et en\u00a0<a href=\"https:\/\/actu.fr\/pays-de-la-loire\/loire-atlantique_44\/\">Loire-Atlantique<\/a>.\u00a0<em>Actu Morbihan\u00a0<\/em>s\u2019est rapproch\u00e9 de l\u2019Ifremer pour en savoir plus.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pr\u00e9l\u00e8vement positif le 22 mai<\/h2>\n\n\n\n<p class=\"\">\u00ab\u00a0Une id\u00e9e de pourquoi l\u2019eau est marron comme \u00e7a, m\u00eame en sortant du Golfe ? En lien avec la pluie ?\u00a0\u00bb, s\u2019interroge un internaute le 20 mai 2024. \u00c0\u00a0<strong>Billiers<\/strong>, ce m\u00eame jour, nous avons fait le m\u00eame constat.<span style=\"color: rgb(64, 64, 64); font-family: &quot;Source Serif Pro&quot;, sans-serif; font-size: 1.9rem; white-space-collapse: collapse;\">Depuis 2021, l\u2019institut fran\u00e7ais de recherche enti\u00e8rement d\u00e9di\u00e9 \u00e0 la connaissance de l\u2019oc\u00e9an\u00a0<\/span><a style=\"font-family: &quot;Source Serif Pro&quot;, sans-serif; font-size: 1.9rem; white-space-collapse: collapse; background-color: transparent; box-sizing: inherit; min-width: 0px; min-height: 0px; color: rgb(42, 135, 73); touch-action: manipulation; transition-duration: 0.15s; transition-timing-function: ease-out; transition-property: color;\" href=\"https:\/\/archimer.ifremer.fr\/doc\/00718\/82984\/\">constate\u00a0<\/a><span style=\"color: rgb(64, 64, 64); font-family: &quot;Source Serif Pro&quot;, sans-serif; font-size: 1.9rem; white-space-collapse: collapse;\">r\u00e9guli\u00e8rement des eaux color\u00e9es li\u00e9es \u00e0 des\u00a0<\/span><span style=\"color: rgb(64, 64, 64); font-family: &quot;Source Serif Pro&quot;, sans-serif; font-size: 1.9rem; white-space-collapse: collapse; box-sizing: inherit; min-width: 0px; min-height: 0px; font-weight: 700;\">blooms* de la microalgue\u00a0<i style=\"box-sizing: inherit; min-width: 0px; min-height: 0px;\">Lingulodinium polyedra<\/i><\/span><span style=\"color: rgb(64, 64, 64); font-family: &quot;Source Serif Pro&quot;, sans-serif; font-size: 1.9rem; white-space-collapse: collapse;\">\u00a0en baie de Vilaine. En 2024, l\u2019Ifremer a constat\u00e9 le changement de couleur :<\/span><blockquote class=\"ac-article-quote\" style=\"box-sizing: inherit; min-width: 0px; min-height: 2em; margin: 4.8rem 0px; max-width: 100%; position: relative; padding-left: 2.4rem; border-left: 2px solid rgb(42, 135, 73); color: rgb(26, 26, 26); font-family: Inter-Regular, sans-serif; white-space-collapse: collapse;\"><p style=\"box-sizing: inherit; min-width: 0px; min-height: 0px; margin: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 2.4rem; line-height: 1.6;\">Un pr\u00e9l\u00e8vement a \u00e9t\u00e9 r\u00e9alis\u00e9 le mercredi 22 mai en sortie d\u2019estuaire de Vilaine dans le cadre du r\u00e9seau d\u2019observation REPHY et nous avons effectivement observ\u00e9 des eaux color\u00e9es marron-vert.<\/p><footer style=\"box-sizing: inherit; min-width: 0px; min-height: 0px; margin-top: 1.6rem; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 1.6rem; line-height: normal; font-family: Inter-Light, sans-serif;\">Ifremer<\/footer>Des microalgues pour expliquer cette couleur<\/blockquote><p style=\"box-sizing: inherit; min-width: 0px; min-height: 0px; margin: 1.6rem 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 1.9rem; line-height: 1.7; font-family: &quot;Source Serif Pro&quot;, sans-serif; color: rgb(64, 64, 64); word-break: break-word; white-space-collapse: collapse;\">Les analyses montrent la pr\u00e9sence en forte abondance de deux microalgues :\u00a0<span style=\"box-sizing: inherit; min-width: 0px; min-height: 0px; font-weight: 700;\"><i style=\"box-sizing: inherit; min-width: 0px; min-height: 0px;\">Lepidodinium chlorophorum\u00a0<\/i>et<i style=\"box-sizing: inherit; min-width: 0px; min-height: 0px;\">\u00a0Alexandrium spp<\/i>.<\/span>\u00a0\u00ab\u00a0L\u2019esp\u00e8ce\u00a0<i style=\"box-sizing: inherit; min-width: 0px; min-height: 0px;\">Lingulodinium polyedra<\/i>\u00a0est \u00e9galement pr\u00e9sente, mais en concentration moins \u00e9lev\u00e9e que les deux autres esp\u00e8ces\u00a0\u00bb, pr\u00e9cise l\u2019Ifremer.<\/p><div id=\"Inread_2\" data-dfp=\"\/49926454\/actu_site\/article_Inread_2\" class=\"inread\" data-google-query-id=\"CL2Nv-PvqIYDFSdeHQkdQNkNsw\" style=\"box-sizing: inherit; min-width: 0px; min-height: 0px; text-align: center; width: 622.188px; height: auto; color: rgb(26, 26, 26); font-family: Inter-Regular, sans-serif; white-space-collapse: collapse;\"><div id=\"google_ads_iframe_\/49926454\/actu_site\/article_Inread_2_0__container__\" style=\"box-sizing: inherit; min-width: 0px; min-height: 0px; border: 0pt none;\"><\/div><\/div><p style=\"box-sizing: inherit; min-width: 0px; min-height: 0px; margin: 1.6rem 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 1.9rem; line-height: 1.7; font-family: &quot;Source Serif Pro&quot;, sans-serif; color: rgb(64, 64, 64); word-break: break-word; white-space-collapse: collapse;\">L\u2019institut explique :<\/p><blockquote class=\"ac-article-quote\" style=\"box-sizing: inherit; min-width: 0px; min-height: 2em; margin: 4.8rem 0px; max-width: 100%; position: relative; padding-left: 2.4rem; border-left: 2px solid rgb(42, 135, 73); color: rgb(26, 26, 26); font-family: Inter-Regular, sans-serif; white-space-collapse: collapse;\"><p style=\"box-sizing: inherit; min-width: 0px; min-height: 0px; margin: 0px; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-alternates: normal; font-kerning: auto; font-optical-sizing: auto; font-feature-settings: normal; font-variation-settings: normal; font-variant-position: normal; font-stretch: normal; font-size: 2.4rem; line-height: 1.6;\">Les blooms \u00e0 Lepidodinium chlorophorum engendrent une coloration verte de l\u2019eau et les deux autres esp\u00e8ces une coloration marron-rouge. Le m\u00e9lange d\u2019esp\u00e8ces forme en ce moment une eau marron-vert.<\/p><\/blockquote><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Des locaux et des touristes ont observ\u00e9 le lundi de Pentec\u00f4te des\u00a0eaux color\u00e9es marron-vert\u00a0sur le littoral autour de l\u2019embouchure de la Vilaine dans le\u00a0Morbihan\u00a0et en\u00a0Loire-Atlantique.\u00a0Actu Morbihan\u00a0s\u2019est rapproch\u00e9 de l\u2019Ifremer pour en savoir plus.\u00a0 Pr\u00e9l\u00e8vement positif le 22 mai \u00ab\u00a0Une id\u00e9e de pourquoi l\u2019eau est marron comme \u00e7a, m\u00eame en sortant du Golfe ? En lien [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":28361,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false},"categories":[405],"tags":[],"class_list":["post-28360","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actu-france-monde"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.iceagetv.com\/radiosite\/wp-content\/uploads\/2024\/05\/Leau-couleur-marron-vert-de-plages-de-Bretagne.jpg?fit=960%2C640&ssl=1","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.iceagetv.com\/radiosite\/wp-json\/wp\/v2\/posts\/28360","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iceagetv.com\/radiosite\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iceagetv.com\/radiosite\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iceagetv.com\/radiosite\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iceagetv.com\/radiosite\/wp-json\/wp\/v2\/comments?post=28360"}],"version-history":[{"count":1,"href":"https:\/\/www.iceagetv.com\/radiosite\/wp-json\/wp\/v2\/posts\/28360\/revisions"}],"predecessor-version":[{"id":28362,"href":"https:\/\/www.iceagetv.com\/radiosite\/wp-json\/wp\/v2\/posts\/28360\/revisions\/28362"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.iceagetv.com\/radiosite\/wp-json\/wp\/v2\/media\/28361"}],"wp:attachment":[{"href":"https:\/\/www.iceagetv.com\/radiosite\/wp-json\/wp\/v2\/media?parent=28360"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iceagetv.com\/radiosite\/wp-json\/wp\/v2\/categories?post=28360"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iceagetv.com\/radiosite\/wp-json\/wp\/v2\/tags?post=28360"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}