{"id":6235,"date":"2021-04-21T08:18:40","date_gmt":"2021-04-21T06:18:40","guid":{"rendered":"https:\/\/www.mio.osupytheas.fr\/fr\/archive_colloque\/dou-vient-le-mercure-present-dans-les-poissons-de-nos-assiettes\/"},"modified":"2024-03-26T17:06:26","modified_gmt":"2024-03-26T16:06:26","slug":"dou-vient-le-mercure-present-dans-les-poissons-de-nos-assiettes","status":"publish","type":"archive_colloque","link":"https:\/\/www.mio.osupytheas.fr\/fr\/archive_colloque\/dou-vient-le-mercure-present-dans-les-poissons-de-nos-assiettes\/","title":{"rendered":"D\u2019o\u00f9 vient le mercure pr\u00e9sent dans les poissons de nos assiettes ?"},"content":{"rendered":"<div id=\"basic-page-content\" class=\"page-content\">    <div class=\"content\">    <div class=\"container-fluid\">      <div class=\"row\">                  <div class=\"container clearfix\">            <div class=\"row\">              <div class=\"col-xs-12\">                              <\/div>            <\/div>          <\/div>                                  <div class=\"body container\">            <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\">D\u2019o\u00f9 vient le mercure pr\u00e9sent dans les poissons de nos assiettes ?<br>Un myst\u00e8re scientifique dans le contexte des changements globaux<\/p><p class=\"rtejustify\">Le mercure est un polluant global pr\u00e9sent principalement sous forme gazeuse dans l\u2019atmosph\u00e8re.<\/p><p class=\"rtejustify\">Cet \u00e9l\u00e9ment a des sources g\u00e9og\u00e9niques naturelles (activit\u00e9 volcanique) et anthropiques li\u00e9es \u00e0 la combustion du charbon ou encore l\u2019extraction artisanale de l\u2019or.<\/p><p class=\"rtejustify\">Une fraction du mercure pr\u00e9sent dans l\u2019atmosph\u00e8re se d\u00e9pose \u00e0\u00a0la surface des oc\u00e9ans o\u00f9 il peut \u00eatre naturellement converti en m\u00e9thylmercure, une forme organique neurotoxique du mercure.<\/p><p class=\"rtejustify\">Les\u00a0concentrations de m\u00e9thylmercure augmentent naturellement le long de la cha\u00eene alimentaire, ce qui se traduit par des concentrations plus \u00e9lev\u00e9es chez les pr\u00e9dateurs p\u00e9lagiques.<\/p><p class=\"rtejustify\">Ainsi, la consommation de poisson repr\u00e9sente la principale exposition humaine \u00e0 ce compos\u00e9. De plus, l\u2019on soup\u00e7onne que les changements\u00a0globaux tels que le r\u00e9chauffement climatique et l\u2019utilisation du charbon pour la production d\u2019\u00e9lectricit\u00e9, modifient le cycle du mercure marin dans les oc\u00e9ans.<\/p><p class=\"rtejustify\">David POINT est charg\u00e9 de recherche \u00e0 l\u2019IRD (Institut de recherche pour le d\u00e9veloppement), rattach\u00e9 au laboratoire Geosciences Environnement Toulouse (GET)<\/p><p class=\"rtejustify\">Date et heure :\u00a0 Jeudi 29 avril de 17h30 \u00e0 19h<\/p><\/div><\/div><\/div>            <\/div>                      <\/div>    <\/div>  <\/div><\/div>","protected":false},"featured_media":4489,"parent":0,"template":"","class_list":["post-6235","archive_colloque","type-archive_colloque","status-publish","has-post-thumbnail","hentry"],"acf":{"id_old":"3072","date_seminaire":"2021-04-29 00:00:00","date_limite":null,"ville":"En visio"},"_links":{"self":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/archive_colloque\/6235","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/archive_colloque"}],"about":[{"href":"https:\/\/www.mio.osupytheas.fr\/fr\/wp-json\/wp\/v2\/types\/archive_colloque"}],"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=6235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}