{"id":1157925,"date":"2026-08-30T20:02:24","date_gmt":"2026-08-30T20:02:24","guid":{"rendered":"https:\/\/www.europesays.com\/fr\/1157925\/"},"modified":"2026-08-30T20:02:24","modified_gmt":"2026-08-30T20:02:24","slug":"baignade-a-marseille-mais-ou-sont-passees-les-meduses-cet-ete","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/fr\/1157925\/","title":{"rendered":"Baignade \u00e0 Marseille : mais o\u00f9 sont pass\u00e9es les m\u00e9duses cet \u00e9t\u00e9\u00a0?"},"content":{"rendered":"<p>Elles auront \u00e9t\u00e9 les grandes absentes de l\u2019\u00e9t\u00e9\u00a0: <a href=\"https:\/\/www.laprovence.com\/article\/ecoplanete\/3663515116108414\/meduses-en-mediterranee-sont-elles-vraiment-plus-presentes-l-ete-lors-des-canicules-marines\" target=\"_self\" rel=\"nofollow noopener\">les m\u00e9duses<\/a>. \u00ab\u00a0Seuls quelques individus ont \u00e9t\u00e9 aper\u00e7us\u00a0\u00bb, confirme Delphine Thibault, enseignante-chercheuse \u00e0 Aix-Marseille Universit\u00e9 (AMU), sp\u00e9cialiste de ces animaux. Cela ne signifie pas pour autant qu\u2019elles n\u2019\u00e9taient pas l\u00e0\u00a0: \u00ab\u00a0On ne devrait pas les voir durant la journ\u00e9e en baie de Marseille.\u00a0\u00bb<\/p>\n<p>L\u2019esp\u00e8ce que l\u2019on observe certaines ann\u00e9es lors de nos baignades est la <a href=\"https:\/\/www.laprovence.com\/article\/ecoplanete\/39530566075016\/les-meduses-une-presence-a-laquelle-il-va-falloir-s-habituer-sur-les-cotes-mediterraneennes\" target=\"_self\" rel=\"nofollow noopener\">m\u00e9duse p\u00e9lagique<\/a> (pelagia noctiluca). Elle passe ses journ\u00e9es \u00e0 plus de 200 m\u00e8tres de profondeur, et peut descendre jusqu\u2019\u00e0 600 m\u00e8tres. Chaque soir au coucher du soleil, les m\u00e9duses remontent vers la surface. Elles s\u2019y nourrissent de plancton, de petits crustac\u00e9s, de larves de poissons et d\u2019autres organismes g\u00e9latineux. Cette activit\u00e9 nocturne leur \u00e9vite d\u2019\u00eatre rep\u00e9r\u00e9es par les poissons et les oiseaux qui chassent \u00e0 vue.<\/p>\n<p>Elles ne s\u2019invitent dans nos vies littorales que lorsque les courants les y transportent. Leur capacit\u00e9 de d\u00e9placement horizontal est en effet tr\u00e8s limit\u00e9e. \u00ab\u00a0On a souvent connaissance de la pr\u00e9sence de m\u00e9duses lorsque les gens sont emb\u00eat\u00e9s dans leurs activit\u00e9s\u00a0\u00bb, constate Delphine Thibault.<\/p>\n<p>Pour les sp\u00e9cialistes, il est aussi int\u00e9ressant que les personnes&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"Elles auront \u00e9t\u00e9 les grandes absentes de l\u2019\u00e9t\u00e9\u00a0: les m\u00e9duses. \u00ab\u00a0Seuls quelques individus ont \u00e9t\u00e9 aper\u00e7us\u00a0\u00bb, confirme Delphine&hellip;\n","protected":false},"author":2,"featured_media":1157926,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[2814],"tags":[5734,1111,11,15109,436,1777,674,1011,27,151,4564,884,113525,12,37237,882,25,3333],"class_list":["post-1157925","post","type-post","status-publish","format-standard","has-post-thumbnail","category-marseille","tag-5734","tag-actu","tag-actualites","tag-baignade","tag-environnement","tag-eu","tag-europe","tag-fr","tag-france","tag-les","tag-mais","tag-marseille","tag-meduses","tag-news","tag-passees","tag-provence-alpes-cote-dazur","tag-republique-francaise","tag-sont"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@fr\/117186248577883468","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/1157925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/comments?post=1157925"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/posts\/1157925\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media\/1157926"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/media?parent=1157925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/categories?post=1157925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/fr\/wp-json\/wp\/v2\/tags?post=1157925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}