{"id":8603,"date":"2025-03-12T15:49:11","date_gmt":"2025-03-12T14:49:11","guid":{"rendered":"https:\/\/www.imbe.fr\/?p=8603"},"modified":"2025-03-18T16:05:18","modified_gmt":"2025-03-18T15:05:18","slug":"experimentationbefcerrado","status":"publish","type":"post","link":"https:\/\/www.imbe.fr\/fr\/experimentationbefcerrado\/","title":{"rendered":"L\u2019exp\u00e9rimentation Biodiversit\u00e9 et Fonctionnement des \u00e9cosyst\u00e8mes herbac\u00e9s du Cerrado est en place !"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"8603\" class=\"elementor elementor-8603\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-650b8d83 e-flex e-con-boxed e-con e-parent\" data-id=\"650b8d83\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-570619da elementor-widget elementor-widget-text-editor\" data-id=\"570619da\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<figure id=\"attachment_8605\" aria-describedby=\"caption-attachment-8605\" style=\"width: 452px\" class=\"wp-caption alignleft\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-8605 \" src=\"https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/03\/EECAR_BEF-Cerrado_202502-300x200.jpg\" alt=\"Terrain janv-f\u00e9vrier 2025 - Chapada dos Veadeiros, Go\u00e1is, Br\u00e9sil. Mise en place de l'exp\u00e9rimentation BEF-Cerrado @Elise Buisson @Soizig Le Stradic\" width=\"452\" height=\"301\" srcset=\"https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/03\/EECAR_BEF-Cerrado_202502-300x200.jpg 300w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/03\/EECAR_BEF-Cerrado_202502-1024x684.jpg 1024w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/03\/EECAR_BEF-Cerrado_202502-768x513.jpg 768w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/03\/EECAR_BEF-Cerrado_202502-18x12.jpg 18w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/03\/EECAR_BEF-Cerrado_202502.jpg 1076w\" sizes=\"(max-width: 452px) 100vw, 452px\" \/><figcaption id=\"caption-attachment-8605\" class=\"wp-caption-text\">Terrain janv-f\u00e9vrier 2025 &#8211; Chapada dos Veadeiros, Go\u00e1is, Br\u00e9sil. Mise en place de l&#8217;exp\u00e9rimentation BEF-Cerrado @Elise Buisson @Soizig Le Stradic<\/figcaption><\/figure><p>L\u2019objectif du projet BEF-Cerrado est de comprendre les m\u00e9canismes favorisant l\u2019\u00e9tablissement de communaut\u00e9s v\u00e9g\u00e9tales herbac\u00e9es indig\u00e8nes du Cerrado (savane br\u00e9silienne, photos A et B). Le dispositif exp\u00e9rimental consiste \u00e0 cr\u00e9er 29 communaut\u00e9s v\u00e9g\u00e9tales et tester le r\u00f4le de la richesse sp\u00e9cifique et de la richesse fonctionnelle de ces communaut\u00e9s pour r\u00e9sister aux invasions, \u00eatre r\u00e9silientes face aux perturbations endog\u00e8nes (comme les incendies) et fournir des processus \u00e9cosyst\u00e9miques (production de biomasse, contr\u00f4le de l&#8217;\u00e9rosion des sols, le stockage du carbone ou l&#8217;infiltration de l&#8217;eau). Pour cela, nous avons choisi 16 esp\u00e8ces de Poac\u00e9es et de Cyp\u00e9rac\u00e9es (photo B) et nous avons cr\u00e9\u00e9 des communaut\u00e9s v\u00e9g\u00e9tales allant des monocultures \u00e0 des communaut\u00e9s de 4, 8 et 16 esp\u00e8ces. L\u2019exp\u00e9rience est mise en place sur un site d\u00e9grad\u00e9 situ\u00e9 dans le Parc National de la Chapada dos Veadeiros initialement converti en p\u00e2turage et envahi par une esp\u00e8ce exotique envahissante de gramin\u00e9e africaine <em>Urochloa decumbens<\/em> (photo C). Dans le premier temps, les 30 premiers centim\u00e8tres de sol ont \u00e9t\u00e9 d\u00e9cap\u00e9s pour \u00e9liminer la banque de graines ind\u00e9sirables (photo D). Ensuite 165 parcelles de 25m\u00b2, r\u00e9parties en cinq blocs sur le site d\u00e9grad\u00e9,\u00a0ont \u00e9t\u00e9 mises en place et les 29 communaut\u00e9s plant\u00e9es (photos E et F). L\u2019ensemble des plantations a \u00e9t\u00e9 fait \u00e0 la saison des pluies et a \u00e9t\u00e9 achev\u00e9 le 10 f\u00e9vrier\u00a0: 12245 plantules indig\u00e8nes ont \u00e9t\u00e9 remises en terre\u00a0(photo G) !<\/p><p>Pour plus d&#8217;informations : <a href=\"https:\/\/anr.fr\/Projet-ANR-23-CE02-0034\" target=\"_blank\" rel=\"noopener\">https:\/\/anr.fr\/Projet-ANR-23-CE02-0034<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>L\u2019objectif du projet BEF-Cerrado est de comprendre les m\u00e9canismes favorisant l\u2019\u00e9tablissement de communaut\u00e9s v\u00e9g\u00e9tales herbac\u00e9es indig\u00e8nes du Cerrado (savane br\u00e9silienne, photos A et B). Le dispositif exp\u00e9rimental consiste \u00e0 cr\u00e9er [&hellip;]<\/p>\n","protected":false},"author":232,"featured_media":8605,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[25],"tags":[],"class_list":["post-8603","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mission"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/posts\/8603","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/users\/232"}],"replies":[{"embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/comments?post=8603"}],"version-history":[{"count":22,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/posts\/8603\/revisions"}],"predecessor-version":[{"id":8668,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/posts\/8603\/revisions\/8668"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/media\/8605"}],"wp:attachment":[{"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/media?parent=8603"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/categories?post=8603"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.imbe.fr\/fr\/wp-json\/wp\/v2\/tags?post=8603"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}