{"id":118,"date":"2013-03-17T22:12:26","date_gmt":"2013-03-17T21:12:26","guid":{"rendered":"http:\/\/gisposidonie.osupytheas.fr\/?p=118"},"modified":"2014-01-06T15:37:04","modified_gmt":"2014-01-06T14:37:04","slug":"posidonia-oceanica-linnaeus-delile","status":"publish","type":"post","link":"https:\/\/gisposidonie.osupytheas.fr\/?p=118","title":{"rendered":"<em>Posidonia oceanica<\/em> (Linnaeus) Delile"},"content":{"rendered":"<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-296\" alt=\"Herbier\" src=\"http:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2013\/03\/Herbier.jpg\" width=\"1071\" height=\"803\" \/>La posidonie est une phan\u00e9rogame, c&rsquo;est \u00e0 dire une plante \u00e0 fleurs. Elle constitue des herbiers qui produisent des quantit\u00e9s importantes d&rsquo;oxyg\u00e8ne et qui offrent abri, fray\u00e8re et source importante de nourriture pour la faune ; ce sont d&rsquo;extraordinaires oasis de vie. La posidonie, qui n&rsquo;existe qu&rsquo;en M\u00e9diterran\u00e9e, se rencontre depuis la surface jusqu&rsquo;\u00e0 30-40 m de profondeur. Fragiles et vuln\u00e9rables, les herbiers de posidonie r\u00e9gressent \u00e0 cause de la pollution, des am\u00e9nagements portuaires, des endigages et de l&rsquo;action m\u00e9canique des ancres ou des arts tra\u00eenants de p\u00eache. La vitesse de croissance des posidonies est tr\u00e8s lente et leur r\u00e9gression est irr\u00e9versible \u00e0 l&rsquo;\u00e9chelle humaine. Lorsque les herbiers diminuent, c&rsquo;est toute la faune qui y a \u00e9lu domicile qui est menac\u00e9e. Les actions de ma\u00eetrise de l&rsquo;assainissement et des am\u00e9nagements, men\u00e9es dans notre r\u00e9gion, ont permis de ralentir ce ph\u00e9nom\u00e8ne de r\u00e9gression et parfois m\u00eame de l&rsquo;inverser. D&rsquo;autres magnoliophytes marines (Cymodoc\u00e9e, Zost\u00e8re) forment des herbiers ponctuels dans les petits fonds. Elles jouent un r\u00f4le similaire \u00e0 celui de la posidonie.<\/p>\n<p style=\"text-align: justify;\"><b><\/b><strong>Protection :\u00a0<\/strong>protection en France par arr\u00eat\u00e9 du 19 juillet 1988.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La posidonie est une phan\u00e9rogame, c&rsquo;est \u00e0 dire une plante \u00e0 fleurs. Elle constitue des herbiers qui produisent des quantit\u00e9s importantes d&rsquo;oxyg\u00e8ne et qui offrent abri, fray\u00e8re et source importante de nourriture pour la faune ; ce sont d&rsquo;extraordinaires oasis de vie. La posidonie, qui n&rsquo;existe qu&rsquo;en M\u00e9diterran\u00e9e, se rencontre [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":1981,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[54],"class_list":["post-118","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-protection-especes-et-habitats","tag-posidonie"],"_links":{"self":[{"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/118","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\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=118"}],"version-history":[{"count":13,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/118\/revisions"}],"predecessor-version":[{"id":1980,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/118\/revisions\/1980"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/media\/1981"}],"wp:attachment":[{"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=118"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=118"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}