{"id":4297,"date":"2021-09-16T14:02:26","date_gmt":"2021-09-16T14:02:26","guid":{"rendered":"https:\/\/neptuneproject.eu\/non-classifiee\/il-mare-nostrum-sta-cambiando-parte-ii\/"},"modified":"2021-11-10T13:41:44","modified_gmt":"2021-11-10T13:41:44","slug":"la-mare-nostrum-change-partie-ii","status":"publish","type":"post","link":"https:\/\/demo2.mastersite.it\/fr\/securite\/la-mare-nostrum-change-partie-ii\/","title":{"rendered":"La &#8220;Mare Nostrum&#8221; change (partie II)"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1216.8px;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:20px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p>Si certaines esp\u00e8ces &#8220;subissent&#8221; les effets du changement climatique, d&#8217;autres en profitent, parfois trop ;<\/p>\n<p>Ces derni\u00e8res ann\u00e9es, certaines esp\u00e8ces se sont d\u00e9velopp\u00e9es au d\u00e9triment d&#8217;autres, dont certaines ont toujours \u00e9t\u00e9 pr\u00e9sentes dans la partie m\u00e9ridionale du bassin m\u00e9diterran\u00e9en et se sont progressivement \u00e9tendues et d\u00e9velopp\u00e9es dans la partie septentrionale ; il s&#8217;agit, par exemple, du barracuda (<em>Sphyraena viridensis<\/em>) et de la demoiselle paon (<em>Thalassoma pavo<\/em>), organismes qui, toutefois, faisant d\u00e9j\u00e0 partie de l'&#8221;\u00e9cosyst\u00e8me m\u00e9diterran\u00e9en&#8221;, ne cr\u00e9ent g\u00e9n\u00e9ralement pas de probl\u00e8mes environnementaux majeurs.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-4207 size-fusion-600\" src=\"https:\/\/demo2.mastersite.it\/wp-content\/uploads\/2021\/09\/mare-nostrum-600x449.jpg\" alt=\"\" width=\"600\" height=\"449\" srcset=\"https:\/\/demo2.mastersite.it\/wp-content\/uploads\/2021\/09\/mare-nostrum-200x150.jpg 200w, https:\/\/demo2.mastersite.it\/wp-content\/uploads\/2021\/09\/mare-nostrum-300x224.jpg 300w, https:\/\/demo2.mastersite.it\/wp-content\/uploads\/2021\/09\/mare-nostrum-400x299.jpg 400w, https:\/\/demo2.mastersite.it\/wp-content\/uploads\/2021\/09\/mare-nostrum-600x449.jpg 600w, https:\/\/demo2.mastersite.it\/wp-content\/uploads\/2021\/09\/mare-nostrum-768x575.jpg 768w, https:\/\/demo2.mastersite.it\/wp-content\/uploads\/2021\/09\/mare-nostrum-800x599.jpg 800w, https:\/\/demo2.mastersite.it\/wp-content\/uploads\/2021\/09\/mare-nostrum-1024x766.jpg 1024w, https:\/\/demo2.mastersite.it\/wp-content\/uploads\/2021\/09\/mare-nostrum-1200x898.jpg 1200w, https:\/\/demo2.mastersite.it\/wp-content\/uploads\/2021\/09\/mare-nostrum.jpg 1227w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>En revanche, les esp\u00e8ces dites exotiques, c&#8217;est-\u00e0-dire originaires de mers autres que la M\u00e9diterran\u00e9e, peuvent causer de graves probl\u00e8mes \u00e9cologiques ; en effet, comme elles ne trouvent pas de pr\u00e9dateurs naturels, elles s&#8217;\u00e9tendent souvent sans contr\u00f4le, concurren\u00e7ant et gagnant les esp\u00e8ces indig\u00e8nes.<\/p>\n<p>Parmi les esp\u00e8ces exotiques qui menacent le plus l&#8217;\u00e9cosyst\u00e8me m\u00e9diterran\u00e9en figurent le poisson-lion (<em>Pterois miles<\/em>), le poisson-globe tachet\u00e9 (<em>Lagocephalus sceleratus<\/em>) et le poisson-lapin (<em>Siganus luridus<\/em>). Les esp\u00e8ces benthiques les plus nuisibles sont les algues vertes du genre Caulerpa, en particulier C.cylindracea, qui compacte les fonds marins et emp\u00eache les esp\u00e8ces indig\u00e8nes de s&#8217;enraciner.<\/p>\n<p>Les esp\u00e8ces qui posent actuellement le plus de probl\u00e8mes sont pour la plupart originaires de la mer Rouge et ont \u00e9t\u00e9 rebaptis\u00e9es &#8220;Lessepsiennes&#8221;, en m\u00e9moire de Ferdinand de Lesseps, qui a construit le canal de Suez.<\/p>\n<p>La pr\u00e9sence d&#8217;esp\u00e8ces envahissantes est non seulement dommageable pour les \u00e9cosyst\u00e8mes, mais aussi pour les communaut\u00e9s locales qui en d\u00e9pendent pour leur subsistance. La surveillance des ph\u00e9nom\u00e8nes de changement climatique est essentielle pour \u00e9laborer des strat\u00e9gies d&#8217;att\u00e9nuation.<\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":4299,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[99],"tags":[],"class_list":["post-4297","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-securite"],"_links":{"self":[{"href":"https:\/\/demo2.mastersite.it\/fr\/wp-json\/wp\/v2\/posts\/4297","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo2.mastersite.it\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demo2.mastersite.it\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demo2.mastersite.it\/fr\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/demo2.mastersite.it\/fr\/wp-json\/wp\/v2\/comments?post=4297"}],"version-history":[{"count":4,"href":"https:\/\/demo2.mastersite.it\/fr\/wp-json\/wp\/v2\/posts\/4297\/revisions"}],"predecessor-version":[{"id":7602,"href":"https:\/\/demo2.mastersite.it\/fr\/wp-json\/wp\/v2\/posts\/4297\/revisions\/7602"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo2.mastersite.it\/fr\/wp-json\/wp\/v2\/media\/4299"}],"wp:attachment":[{"href":"https:\/\/demo2.mastersite.it\/fr\/wp-json\/wp\/v2\/media?parent=4297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demo2.mastersite.it\/fr\/wp-json\/wp\/v2\/categories?post=4297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demo2.mastersite.it\/fr\/wp-json\/wp\/v2\/tags?post=4297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}