{"id":3439,"date":"2020-11-02T11:18:38","date_gmt":"2020-11-02T10:18:38","guid":{"rendered":"https:\/\/gisposidonie.osupytheas.fr\/?p=3439"},"modified":"2020-11-08T18:59:11","modified_gmt":"2020-11-08T17:59:11","slug":"cartographie-des-recifs-de-posidonie","status":"publish","type":"post","link":"https:\/\/gisposidonie.osupytheas.fr\/?p=3439","title":{"rendered":"Cartographie des r\u00e9cifs de posidonie"},"content":{"rendered":"\n<p style=\"text-align: justify;\"> \u00ab\u00a0Les recherches bibliographiques et les nouvelles prospections\n men\u00e9es par le GIS Posidonie dans le cadre de Marha (action A2 \nd\u2019\u00e9valuation de l\u2019\u00e9tat de conservation des habitats marins) ont permis \nd\u2019inventorier 75 formations r\u00e9cifales le long du littoral m\u00e9diterran\u00e9en \nfran\u00e7ais. La tr\u00e8s grande majorit\u00e9 se trouve en Corse dans le golfe de \nSaint Florent, et \u00e0 Bonifacio dans le sud de l\u2019\u00eele. Sur le continent, \nils se situent essentiellement sur les c\u00f4tes varoises, dans les baies de\n Giens et d\u2019Hy\u00e8res (Parc national de Port-Cros) et le golfe de \nSaint-Tropez. <\/p>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2020\/11\/CANOP\u00e9_2B_StFlorent_LaRoya_20180421_Illustration_006-1024x768.jpg\" alt=\"\" class=\"wp-image-3441\" srcset=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2020\/11\/CANOP\u00e9_2B_StFlorent_LaRoya_20180421_Illustration_006-1024x768.jpg 1024w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2020\/11\/CANOP\u00e9_2B_StFlorent_LaRoya_20180421_Illustration_006-300x225.jpg 300w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2020\/11\/CANOP\u00e9_2B_StFlorent_LaRoya_20180421_Illustration_006-768x576.jpg 768w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2020\/11\/CANOP\u00e9_2B_StFlorent_LaRoya_20180421_Illustration_006-1536x1152.jpg 1536w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2020\/11\/CANOP\u00e9_2B_StFlorent_LaRoya_20180421_Illustration_006-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<p style=\"text-align: justify;\">Sur ces 75 formations, 13 ont \u00e9t\u00e9 d\u00e9truites, essentiellement  par des am\u00e9nagements c\u00f4tiers (remblais, plages artificielles) ou ont  disparu pour une autre raison. La plupart des formations r\u00e9cifales  disparues \u00e9taient localis\u00e9es sur le continent, dont le littoral est  beaucoup plus urbanis\u00e9 que celui de la Corse, o\u00f9 l\u2019on ne compte qu\u2019un  seul r\u00e9cif disparu. Alors que de nombreux r\u00e9cifs ont \u00e9t\u00e9 \u00e9tudi\u00e9s par les  scientifiques depuis plusieurs d\u00e9cennies dans le cadre de suivis  \u00e9cologiques (ex: Port-Cros, Saint-Florent) ou d\u2019\u00e9tudes d\u2019impacts li\u00e9es \u00e0  des am\u00e9nagements (ex: Le Brusc, Le Pilon \u00e0 Saint-Tropez), 14 nouvelles  formations r\u00e9cifales, qui n\u2019avaient jamais \u00e9t\u00e9 r\u00e9pertori\u00e9s jusqu\u2019ici,  ont \u00e9t\u00e9 recens\u00e9s au cours de cette \u00e9tude. Il s\u2019agit de 10 r\u00e9cifs et de 4  micro-atolls situ\u00e9s en Corse-du-sud et dans le golfe de Saint-Tropez.  Aujourd&rsquo;hui, il existe donc 62 formations r\u00e9cifales sur le littoral  m\u00e9diterran\u00e9en fran\u00e7ais, 18 sur le continent et 44 en Corse&#8230;\u00a0\u00bb<\/p>\n\n<p><strong>Retrouvez l&rsquo;ensemble de l&rsquo;article <a href=\"https:\/\/www.life-marha.fr\/node\/173\">ici<\/a><strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00ab\u00a0Les recherches bibliographiques et les nouvelles prospections men\u00e9es par le GIS Posidonie dans le cadre de Marha (action A2 d\u2019\u00e9valuation de l\u2019\u00e9tat de conservation des habitats marins) ont permis d\u2019inventorier 75 formations r\u00e9cifales le long du littoral m\u00e9diterran\u00e9en fran\u00e7ais. La tr\u00e8s grande majorit\u00e9 se trouve en Corse dans le golfe [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":3446,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,16],"tags":[],"class_list":["post-3439","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-inventaires-patrimoniaux-des-fonds-marins-cartographies","category-protection-especes-et-habitats"],"_links":{"self":[{"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/3439","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3439"}],"version-history":[{"count":6,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/3439\/revisions"}],"predecessor-version":[{"id":3449,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/3439\/revisions\/3449"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/media\/3446"}],"wp:attachment":[{"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}