{"id":503,"date":"2022-09-30T08:51:03","date_gmt":"2022-09-30T06:51:03","guid":{"rendered":"https:\/\/acepartnerz.kinsta.cloud\/ramr2d\/?post_type=boursier&#038;p=503"},"modified":"2025-01-07T12:28:49","modified_gmt":"2025-01-07T11:28:49","slug":"djamilatou-dabre","status":"publish","type":"boursier","link":"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/","title":{"rendered":"Djamilatou DABRE"},"content":{"rendered":"\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-primary-3-color\"><strong>Date de d\u00e9but :\u00a001\/09\/2022<br>Date pr\u00e9visionnelle de soutenance de th\u00e8se : Octobre 2025<br>Profil ORCID<\/strong>\u00a0:<a href=\"https:\/\/orcid.org\/0009-0005-1458-2448\/\">\u00a0<\/a><strong>0009-0005-1458-244<\/strong><br><strong>Intitul\u00e9<\/strong> : <strong><strong><strong>Impact de l\u2019orpaillage sur les \u00e9cosyst\u00e8mes et les populations au Burkina Faso et en Guin\u00e9e<\/strong><\/strong><\/strong><\/mark><\/p>\n\n\n\n<ul class=\"wp-block-social-links is-layout-flex wp-block-social-links-is-layout-flex\"><li class=\"wp-social-link wp-social-link-linkedin  wp-block-social-link\"><a href=\"https:\/\/www.linkedin.com\/in\/djamilatou-dabre-73b4481b9\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M19.7,3H4.3C3.582,3,3,3.582,3,4.3v15.4C3,20.418,3.582,21,4.3,21h15.4c0.718,0,1.3-0.582,1.3-1.3V4.3 C21,3.582,20.418,3,19.7,3z M8.339,18.338H5.667v-8.59h2.672V18.338z M7.004,8.574c-0.857,0-1.549-0.694-1.549-1.548 c0-0.855,0.691-1.548,1.549-1.548c0.854,0,1.547,0.694,1.547,1.548C8.551,7.881,7.858,8.574,7.004,8.574z M18.339,18.338h-2.669 v-4.177c0-0.996-0.017-2.278-1.387-2.278c-1.389,0-1.601,1.086-1.601,2.206v4.249h-2.667v-8.59h2.559v1.174h0.037 c0.356-0.675,1.227-1.387,2.526-1.387c2.703,0,3.203,1.779,3.203,4.092V18.338z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">LinkedIn<\/span><\/a><\/li><\/ul>\n\n\n\n<p><strong>R\u00e9sum\u00e9 de votre sujet de doctorat<\/strong><\/p>\n\n\n\n<p>Au cours des dix derni\u00e8res ann\u00e9es, les activit\u00e9s extractives se sont d\u00e9velopp\u00e9es de mani\u00e8re intensive en Afrique de l&rsquo;Ouest, en particulier dans les r\u00e9gions aurif\u00e8res, en raison de la hausse du prix de l&rsquo;or. Les processus d&rsquo;extraction de l&rsquo;or et les produits chimiques utilis\u00e9s pour le r\u00e9cup\u00e9rer entra\u00eenent des contaminations diverses et complexes impliquant des contaminants tels que le mercure (Hg), le cyanure (CN) et l&rsquo;arsenic (As). L&rsquo;objectif de ce projet est de comprendre l&rsquo;impact des activit\u00e9s mini\u00e8res sur la contamination des eaux de surface, des cha\u00eenes trophiques et des populations des camps d&rsquo;orpaillage au Burkina Faso et en Guin\u00e9e, o\u00f9 l&rsquo;or est le principal produit d&rsquo;exportation. Tout d&rsquo;abord, nous \u00e9tablirons les niveaux de r\u00e9f\u00e9rence de la contamination des eaux et des cha\u00eenes trophiques par le mercure, le cyanure et l&rsquo;arsenic dans deux districts miniers. Ensuite, nous identifierons les sources de pollution, les m\u00e9canismes et les voies par lesquels les contaminants sont transf\u00e9r\u00e9s dans l&rsquo;environnement, ainsi que les responsables de l&rsquo;exposition humaine. Enfin, nous \u00e9valuerons l&rsquo;impact potentiel de ces activit\u00e9s sur la sant\u00e9.<\/p>\n\n\n\n<p><strong>R\u00e9sum\u00e9 des r\u00e9sultats obtenus<\/strong> : <\/p>\n\n\n\n<p>Au Burkina Faso et en Guin\u00e9e, les r\u00e9sultats ont montr\u00e9 une contamination par le Hg dans les sols situ\u00e9s \u00e0 proximit\u00e9 des sites d&rsquo;amalgamation de l&rsquo;or avec un mercure total [THg] dans les sols atteignant 14 \u00b5g.g-1 et 16 \u00b5g.g- 1 par rapport au fond g\u00e9ochimique de (0,15 \u00b1 0,10 \u00b5g.g-1) et (0,46 \u00b1 0,39 \u00b5g.g-1 ), respectivement, au Burkina Faso et en Guin\u00e9e. Les niveaux les plus \u00e9lev\u00e9s de contamination par le Hg ont \u00e9t\u00e9 relev\u00e9s dans les grands sites d&rsquo;ASGM ayant une longue histoire mini\u00e8re. Les exp\u00e9riences de thermod\u00e9sorption ont indiqu\u00e9 qu&rsquo;une proportion significative de Hg(0) (35\u00b1 13%) a \u00e9t\u00e9 trouv\u00e9e dans les sols des sites ASGM au Burkina Faso et (43\u00b121 %) dans les sols ASGM en Guin\u00e9e, soulignant la contribution significative du Hg(0) red\u00e9pos\u00e9 par condensation pr\u00e8s des sites de br\u00fblage d&rsquo;amalgame. Les m\u00eames r\u00e9sultats montrent que tout le mercure est absorb\u00e9 sur les particules en suspension dans l&rsquo;eau, y compris 6% de Hg dissous, contre 94% de mercure particulaire au Burkina Faso, et 1% de Hg dissous contre 99% de particulaire en Guin\u00e9e.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Date de d\u00e9but :\u00a001\/09\/2022Date pr\u00e9visionnelle de soutenance de th\u00e8se : Octobre 2025Profil ORCID\u00a0:\u00a00009-0005-1458-244Intitul\u00e9 : Impact de l\u2019orpaillage sur les \u00e9cosyst\u00e8mes et les populations au Burkina Faso et en Guin\u00e9e R\u00e9sum\u00e9 de votre sujet de doctorat Au cours des dix derni\u00e8res ann\u00e9es, les activit\u00e9s extractives se sont d\u00e9velopp\u00e9es de mani\u00e8re intensive en Afrique de l&rsquo;Ouest, en [&hellip;]<\/p>\n","protected":false},"featured_media":505,"menu_order":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"class_list":["post-503","boursier","type-boursier","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Djamilatou DABRE - RAMR2D<\/title>\n<meta name=\"description\" content=\"Impact de l\u2019orpaillage sur les \u00e9cosyst\u00e8mes et les populations au Burkina Faso et en Guin\u00e9e\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Djamilatou Dabre ACE Partner fellow\" \/>\n<meta property=\"og:description\" content=\"Impact de l\u2019orpaillage sur les \u00e9cosyst\u00e8mes et les populations au Burkina Faso et en Guin\u00e9e\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/\" \/>\n<meta property=\"og:site_name\" content=\"RAMR2D\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-07T11:28:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ace-partner.org\/ramr2d\/wp-content\/uploads\/sites\/3\/2022\/09\/djamilatou.png\" \/>\n\t<meta property=\"og:image:width\" content=\"356\" \/>\n\t<meta property=\"og:image:height\" content=\"275\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Djamilatou Dabre ACE Partner fellow\" \/>\n<meta name=\"twitter:description\" content=\"Impact de l\u2019orpaillage sur les \u00e9cosyst\u00e8mes et les populations au Burkina Faso et en Guin\u00e9e\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/ace-partner.org\/ramr2d\/wp-content\/uploads\/sites\/3\/2022\/09\/djamilatou.png\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/boursier\\\/djamilatou-dabre\\\/\",\"url\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/boursier\\\/djamilatou-dabre\\\/\",\"name\":\"Djamilatou DABRE - RAMR2D\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/boursier\\\/djamilatou-dabre\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/boursier\\\/djamilatou-dabre\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2022\\\/09\\\/djamilatou.png\",\"datePublished\":\"2022-09-30T06:51:03+00:00\",\"dateModified\":\"2025-01-07T11:28:49+00:00\",\"description\":\"Impact de l\u2019orpaillage sur les \u00e9cosyst\u00e8mes et les populations au Burkina Faso et en Guin\u00e9e\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/boursier\\\/djamilatou-dabre\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/boursier\\\/djamilatou-dabre\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/boursier\\\/djamilatou-dabre\\\/#primaryimage\",\"url\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2022\\\/09\\\/djamilatou.png\",\"contentUrl\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2022\\\/09\\\/djamilatou.png\",\"width\":356,\"height\":275,\"caption\":\"Djamilatou Dabre ACE Partner fellow\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/boursier\\\/djamilatou-dabre\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Djamilatou DABRE\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/#website\",\"url\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/\",\"name\":\"RAMR2D\",\"description\":\"Activit\u00e9 mini\u00e8re responsable &amp; d\u00e9veloppement durable\",\"publisher\":{\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/#organization\",\"name\":\"RAMR2D\",\"url\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2021\\\/08\\\/RAMR2D.webp\",\"contentUrl\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2021\\\/08\\\/RAMR2D.webp\",\"width\":82,\"height\":52,\"caption\":\"RAMR2D\"},\"image\":{\"@id\":\"https:\\\/\\\/ace-partner.org\\\/ramr2d\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Djamilatou DABRE - RAMR2D","description":"Impact de l\u2019orpaillage sur les \u00e9cosyst\u00e8mes et les populations au Burkina Faso et en Guin\u00e9e","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/","og_locale":"fr_FR","og_type":"article","og_title":"Djamilatou Dabre ACE Partner fellow","og_description":"Impact de l\u2019orpaillage sur les \u00e9cosyst\u00e8mes et les populations au Burkina Faso et en Guin\u00e9e","og_url":"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/","og_site_name":"RAMR2D","article_modified_time":"2025-01-07T11:28:49+00:00","og_image":[{"width":356,"height":275,"url":"https:\/\/ace-partner.org\/ramr2d\/wp-content\/uploads\/sites\/3\/2022\/09\/djamilatou.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_title":"Djamilatou Dabre ACE Partner fellow","twitter_description":"Impact de l\u2019orpaillage sur les \u00e9cosyst\u00e8mes et les populations au Burkina Faso et en Guin\u00e9e","twitter_image":"https:\/\/ace-partner.org\/ramr2d\/wp-content\/uploads\/sites\/3\/2022\/09\/djamilatou.png","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/","url":"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/","name":"Djamilatou DABRE - RAMR2D","isPartOf":{"@id":"https:\/\/ace-partner.org\/ramr2d\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/#primaryimage"},"image":{"@id":"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/#primaryimage"},"thumbnailUrl":"https:\/\/ace-partner.org\/ramr2d\/wp-content\/uploads\/sites\/3\/2022\/09\/djamilatou.png","datePublished":"2022-09-30T06:51:03+00:00","dateModified":"2025-01-07T11:28:49+00:00","description":"Impact de l\u2019orpaillage sur les \u00e9cosyst\u00e8mes et les populations au Burkina Faso et en Guin\u00e9e","breadcrumb":{"@id":"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/#primaryimage","url":"https:\/\/ace-partner.org\/ramr2d\/wp-content\/uploads\/sites\/3\/2022\/09\/djamilatou.png","contentUrl":"https:\/\/ace-partner.org\/ramr2d\/wp-content\/uploads\/sites\/3\/2022\/09\/djamilatou.png","width":356,"height":275,"caption":"Djamilatou Dabre ACE Partner fellow"},{"@type":"BreadcrumbList","@id":"https:\/\/ace-partner.org\/ramr2d\/boursier\/djamilatou-dabre\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/ace-partner.org\/ramr2d\/"},{"@type":"ListItem","position":2,"name":"Djamilatou DABRE"}]},{"@type":"WebSite","@id":"https:\/\/ace-partner.org\/ramr2d\/#website","url":"https:\/\/ace-partner.org\/ramr2d\/","name":"RAMR2D","description":"Activit\u00e9 mini\u00e8re responsable &amp; d\u00e9veloppement durable","publisher":{"@id":"https:\/\/ace-partner.org\/ramr2d\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ace-partner.org\/ramr2d\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/ace-partner.org\/ramr2d\/#organization","name":"RAMR2D","url":"https:\/\/ace-partner.org\/ramr2d\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/ace-partner.org\/ramr2d\/#\/schema\/logo\/image\/","url":"https:\/\/ace-partner.org\/ramr2d\/wp-content\/uploads\/sites\/3\/2021\/08\/RAMR2D.webp","contentUrl":"https:\/\/ace-partner.org\/ramr2d\/wp-content\/uploads\/sites\/3\/2021\/08\/RAMR2D.webp","width":82,"height":52,"caption":"RAMR2D"},"image":{"@id":"https:\/\/ace-partner.org\/ramr2d\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/ace-partner.org\/ramr2d\/wp-json\/wp\/v2\/boursier\/503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ace-partner.org\/ramr2d\/wp-json\/wp\/v2\/boursier"}],"about":[{"href":"https:\/\/ace-partner.org\/ramr2d\/wp-json\/wp\/v2\/types\/boursier"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ace-partner.org\/ramr2d\/wp-json\/wp\/v2\/media\/505"}],"wp:attachment":[{"href":"https:\/\/ace-partner.org\/ramr2d\/wp-json\/wp\/v2\/media?parent=503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}