{"id":6760,"date":"2021-10-11T08:30:41","date_gmt":"2021-10-11T06:30:41","guid":{"rendered":"https:\/\/www.mio.osupytheas.fr\/fr\/les-reseaux-trophiques-des-recifs-coralliens-sont-tres-vulnerables-a-la-perte-despeces\/"},"modified":"2021-10-11T08:30:41","modified_gmt":"2021-10-11T06:30:41","slug":"les-reseaux-trophiques-des-recifs-coralliens-sont-tres-vulnerables-a-la-perte-despeces","status":"publish","type":"post","link":"https:\/\/www.mio.osupytheas.fr\/fr\/les-reseaux-trophiques-des-recifs-coralliens-sont-tres-vulnerables-a-la-perte-despeces\/","title":{"rendered":"Les r\u00e9seaux trophiques des r\u00e9cifs coralliens sont tr\u00e8s vuln\u00e9rables \u00e0 la perte d\u2019esp\u00e8ces"},"content":{"rendered":"<div id=\"basic-page-content\" class=\"page-content\">    <div class=\"content\">    <div class=\"container\">      <div class=\"row\">        <div class=\"col-xs-12\">                      <div class=\"container clearfix\">              <div class=\"row\">                <div class=\"col-xs-12\">                                  <\/div>              <\/div>            <\/div>                                <div class=\"body\">              <div class=\"field field-name-body field-type-text-with-summary field-label-hidden\"><div class=\"field-items\"><div class=\"field-item even\" property=\"content:encoded\"><p class=\"rtejustify\">Pour comprendre le fonctionnement des \u00e9cosyst\u00e8mes ainsi que leurs flux de mati\u00e8re et d&#8217;\u00e9nergie, il est essentiel de conna\u00eetre l&#8217;architecture de ces \u00e9cosyst\u00e8mes. Elle est constitu\u00e9e des interactions trophiques entre les organismes qui d\u00e9terminent les \u00e9changes d&#8217;\u00e9nergie et de nutriments au sein du syst\u00e8me. Pour les syst\u00e8mes \u00e9cologiques particuli\u00e8rement riches, comme les r\u00e9cifs coralliens, notre connaissance de la structure du r\u00e9seau alimentaire n\u2019est encore que partielle. Dans la litt\u00e9rature scientifique, il \u00e9tait commun\u00e9ment accept\u00e9 que la plupart des poissons r\u00e9cifaux \u00e9taient g\u00e9n\u00e9ralistes. Cependant, une nouvelle \u00e9tude, \u00e0 laquelle a particip\u00e9 notre coll\u00e8gue Mireille Harmelin, publi\u00e9e dans la revue PNAS, sugg\u00e8re que les poissons ont plut\u00f4t tendance \u00e0 \u00eatre des sp\u00e9cialistes (se nourrissant d&#8217;une combinaison limit\u00e9e de proies) et que leur disparition pourrait constituer une menace pour la productivit\u00e9 totale de cet \u00e9cosyst\u00e8me.<\/p><p class=\"rtejustify\">\u00a0<\/p><h4 class=\"rtejustify\"><a href=\"https:\/\/www.pnas.org\/content\/118\/39\/e2100966118\" target=\"_blank\" rel=\"noopener\"><strong>Publication PNAS<\/strong><\/a><\/h4><p>\u00a0<\/p><p class=\"rtecenter\"><strong><a href=\"\/wp-content\/uploads\/ancien-site\/images\/parravicini_0.png\" class=\"colorbox-load\"><img fetchpriority=\"high\" decoding=\"async\" alt=\"\" src=\"\/wp-content\/uploads\/ancien-site\/resize\/images\/parravicini_0-1100x1130.png\" style=\"width: 1100px; height: 1130px;\" width=\"1100\" height=\"1130\"><\/a><\/strong><\/p><\/div><\/div><\/div>            <\/div>                            <\/div>      <\/div>    <\/div>  <\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Pour comprendre le fonctionnement des \u00e9cosyst\u00e8mes ainsi que leurs flux de mati\u00e8re et d&#8217;\u00e9nergie, il est essentiel de conna\u00eetre l&#8217;architecture de ces \u00e9cosyst\u00e8mes. Elle est constitu\u00e9e des interactions trophiques entre [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4489,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6760","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/posts\/6760","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/comments?post=6760"}],"version-history":[{"count":0,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/posts\/6760\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/media\/4489"}],"wp:attachment":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/media?parent=6760"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/categories?post=6760"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/tags?post=6760"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}