{"id":2723,"date":"2019-01-23T11:04:17","date_gmt":"2019-01-23T10:04:17","guid":{"rendered":"https:\/\/gisposidonie.osupytheas.fr\/?p=2723"},"modified":"2021-03-25T13:53:41","modified_gmt":"2021-03-25T12:53:41","slug":"etude-de-la-fonctionnalite-de-nurserie-de-letang-de-berre-et-evaluation-dun-besoin-de-restauration-ecologique-juvaberre","status":"publish","type":"post","link":"https:\/\/gisposidonie.osupytheas.fr\/?p=2723","title":{"rendered":"Etude de la fonctionnalit\u00e9 de nurserie de l\u2019\u00e9tang de Berre et \u00e9valuation d\u2019un besoin de restauration \u00e9cologique &#8211; JUVABERRE"},"content":{"rendered":"<table width=\"0\">\n<tbody>\n<tr>\n<td width=\"775\">L\u2019industrialisation du pourtour de l\u2019\u00e9tang de Berre (Bouches du Rh\u00f4ne, France) au cours du XX<sup>\u00e8me <\/sup>si\u00e8cle a conduit \u00e0 une <strong>profonde modification de cet \u00e9cosyst\u00e8me lagunaire<\/strong>. Une des principales modifications observ\u00e9es a \u00e9t\u00e9 la r\u00e9gression extr\u00eamement importante des herbiers \u00e0 magnoliophytes (zost\u00e8res) pr\u00e9sents dans l\u2019\u00e9tang. Ces herbiers occupaient 8000 ha en 1916, il n\u2019y en avait plus que 1.2 ha en 2009. En 1994, puis en 2004, dans le cadre du plan Barnier, une r\u00e9gulation des rejets d\u2019eaux douces de la station hydro-\u00e9lectrique de Saint-Chamas a \u00e9t\u00e9 mise en place. Cette mesure a eu pour effet d\u2019en limiter les impacts sur les diff\u00e9rents habitats de l\u2019\u00e9tang. Entre <strong>2009 et 2010<\/strong>, le projet ICHTYOBERRE (inventaire par p\u00eaches scientifiques) a permis de montrer que le peuplement en poissons est principalement domin\u00e9 par des esp\u00e8ces s\u00e9dentaires, dont des juv\u00e9niles d&rsquo;esp\u00e8ces dont le cycle de vie s&rsquo;accomplit partiellement en milieu lagunaire (anguilles, loups, dorades, muges). Ces derni\u00e8res ann\u00e9es de nombreux juv\u00e9niles ont \u00e9t\u00e9 observ\u00e9s dans l\u2019\u00e9tang de Berre.\n<p><\/p>\n<p><a href=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/03_28032018_AL_S08_Ranquet.jpg\" class=\"fbx-instance fbx-link\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2724\" src=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/03_28032018_AL_S08_Ranquet-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/03_28032018_AL_S08_Ranquet-300x169.jpg 300w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/03_28032018_AL_S08_Ranquet-768x433.jpg 768w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/03_28032018_AL_S08_Ranquet-1024x577.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/08_28032018_AL_S05_Golf-Saint-Chamas.jpg\" class=\"fbx-instance fbx-link\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2725\" src=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/08_28032018_AL_S05_Golf-Saint-Chamas-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/08_28032018_AL_S05_Golf-Saint-Chamas-300x169.jpg 300w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/08_28032018_AL_S05_Golf-Saint-Chamas-768x433.jpg 768w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/08_28032018_AL_S05_Golf-Saint-Chamas-1024x577.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/20_29032018_AG_S10_Ja\u00ef.jpg\" class=\"fbx-instance fbx-link\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2726\" src=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/20_29032018_AG_S10_Ja\u00ef-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/20_29032018_AG_S10_Ja\u00ef-300x169.jpg 300w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/20_29032018_AG_S10_Ja\u00ef-768x433.jpg 768w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/20_29032018_AG_S10_Ja\u00ef-1024x577.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a> <a href=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/01_28032018_AL_S05_Golf-Saint-Chamas.jpg\" class=\"fbx-instance fbx-link\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2728\" src=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/01_28032018_AL_S05_Golf-Saint-Chamas-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/01_28032018_AL_S05_Golf-Saint-Chamas-300x169.jpg 300w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/01_28032018_AL_S05_Golf-Saint-Chamas-768x433.jpg 768w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/01_28032018_AL_S05_Golf-Saint-Chamas-1024x577.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Ces observations ont inspir\u00e9 le montage du programme<strong> JUVABERRE<\/strong>. Ce programme a pour objectif de r\u00e9aliser <strong>des recensements de juv\u00e9niles dans les diff\u00e9rentes cat\u00e9gories d&rsquo;habitats pr\u00e9sentes dans les petits fonds du pourtour de l\u2019\u00e9tang de Berre<\/strong>. Des recensements seront \u00e9galement faits sur des habitats artificiels en acier et en bois utilis\u00e9s en tant qu&rsquo;unit\u00e9s d&rsquo;observation standardis\u00e9e dans diff\u00e9rentes lagunes m\u00e9diterran\u00e9ennes. Il s\u2019articule autour de 3 axes de travail\u00a0:<\/p>\n<ul>\n<li>Evaluer la pr\u00e9sence de juv\u00e9niles dans les diff\u00e9rents habitats d\u2019un point de vue qualitatif et quantitatif;<\/li>\n<li>Comparer ces r\u00e9sultats et la qualit\u00e9 de nurserie de l\u2019\u00e9tang de Berre par rapport \u00e0 d\u2019autres lagunes m\u00e9diterran\u00e9ennes;<\/li>\n<li>Proposer une strat\u00e9gie d\u2019optimisation de la fonctionnalit\u00e9 de nurserie de l&rsquo;\u00e9tang.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/GIPREB.jpg\" class=\"fbx-instance fbx-link\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2732\" src=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/GIPREB.jpg\" alt=\"\" width=\"126\" height=\"95\" \/><\/a><a href=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/15_180222_PA_S03_ArcUOS.jpg\" class=\"fbx-instance fbx-link\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-2729\" src=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/15_180222_PA_S03_ArcUOS-300x169.jpg\" alt=\"\" width=\"300\" height=\"169\" srcset=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/15_180222_PA_S03_ArcUOS-300x169.jpg 300w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/15_180222_PA_S03_ArcUOS-768x433.jpg 768w, https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/15_180222_PA_S03_ArcUOS-1024x577.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><a href=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/logo.png\" class=\"fbx-instance fbx-link\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2733\" src=\"https:\/\/gisposidonie.osupytheas.fr\/wp-content\/uploads\/2019\/01\/logo.png\" alt=\"\" width=\"100\" height=\"56\" \/><\/a><\/p>\n<p><strong>Les r\u00e9sultats de ce projet permettront d\u2019apporter des \u00e9l\u00e9ments de compr\u00e9hension quant au potentiel de l\u2019\u00e9tang de Berre \u00e0 contribuer au maintien et au renouvellement des peuplements de poissons c\u00f4tiers.<\/strong> L\u2019\u00e9valuation de cette fonction de nurserie appara\u00eet \u00e9galement comme \u00e9tant un bon moyen d&rsquo;\u00e9valuer l\u2019\u00e9tat global du milieu ainsi que sa r\u00e9habilitation.<\/p>\n<p>Ce projet qui a d\u00e9marr\u00e9 au printemps 2018, s&rsquo;est termin\u00e9 \u00e0 la fin de l&rsquo;ann\u00e9e 2019.<\/p>\n<p>Retrouv\u00e9 la vid\u00e9o du programme JUVABERRE <strong>ici<\/strong> :<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n<iframe loading=\"lazy\" width=\"1000\" height=\"500\" src=\"https:\/\/www.youtube.com\/embed\/CqrVD1W-wn0\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019industrialisation du pourtour de l\u2019\u00e9tang de Berre (Bouches du Rh\u00f4ne, France) au cours du XX\u00e8me si\u00e8cle a conduit \u00e0 une profonde modification de cet \u00e9cosyst\u00e8me lagunaire. Une des principales modifications observ\u00e9es a \u00e9t\u00e9 la r\u00e9gression extr\u00eamement importante des herbiers \u00e0 magnoliophytes (zost\u00e8res) pr\u00e9sents dans l\u2019\u00e9tang. Ces herbiers occupaient 8000 ha [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2727,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18,15,22,16,20],"tags":[63,73,64,70],"class_list":["post-2723","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-indicateurs-biologiques-et-physico-chimiques","category-inventaires-patrimoniaux-des-fonds-marins-cartographies","category-milieux-lagunaires","category-protection-especes-et-habitats","category-recifs-artificiels-et-amenagements","tag-poissons","tag-inventaires","tag-magnoliophytes","tag-restauration"],"_links":{"self":[{"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/2723","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\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2723"}],"version-history":[{"count":5,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/2723\/revisions"}],"predecessor-version":[{"id":3575,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/posts\/2723\/revisions\/3575"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=\/wp\/v2\/media\/2727"}],"wp:attachment":[{"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gisposidonie.osupytheas.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}