{"id":19,"date":"2025-10-28T16:26:41","date_gmt":"2025-10-28T16:26:41","guid":{"rendered":"https:\/\/lecercledesaventuriers.fr\/?p=19"},"modified":"2025-11-29T14:47:08","modified_gmt":"2025-11-29T14:47:08","slug":"mission-icauna","status":"publish","type":"post","link":"https:\/\/lecercledesaventuriers.fr\/index.php\/2025\/10\/28\/mission-icauna\/","title":{"rendered":"Mission ICAUNA"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"971\" src=\"https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/405000835_10226989030489506_6161086089707930956_n-1024x971.jpeg\" alt=\"\" class=\"wp-image-291\" style=\"object-fit:cover;width:261px;height:auto\" srcset=\"https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/405000835_10226989030489506_6161086089707930956_n-1024x971.jpeg 1024w, https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/405000835_10226989030489506_6161086089707930956_n-300x284.jpeg 300w, https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/405000835_10226989030489506_6161086089707930956_n-768x728.jpeg 768w, https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/405000835_10226989030489506_6161086089707930956_n-1536x1457.jpeg 1536w, https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/405000835_10226989030489506_6161086089707930956_n.jpeg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"rsum-de-la-mission-icauna\">Description :<\/h2>\n\n\n\n<p>La&nbsp;<strong>mission ICAUNA<\/strong>&nbsp;est une exp\u00e9dition scientifique qui a consist\u00e9 \u00e0 descendre l\u2019int\u00e9gralit\u00e9 de la rivi\u00e8re Yonne, depuis sa source dans le parc naturel du Morvan jusqu&rsquo;\u00e0 son confluent avec la Seine. Cette mission tire son nom du terme celtique \u00ab\u00a0Icauna\u00a0\u00bb, nom originel de l\u2019Yonne.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Objectifs de la mission<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Quantifier la pollution \u00e9mergente<\/strong>&nbsp;le long de l\u2019Yonne, notamment les microplastiques, nitrates, pesticides et autres micropolluants.<\/li>\n\n\n\n<li><strong>Identifier les sources de ces polluants<\/strong>&nbsp;et comprendre leur fragmentation et leur diffusion dans le milieu aquatique.<\/li>\n\n\n\n<li><strong>\u00c9tablir une carte<\/strong>&nbsp;des taux de pollution sur diff\u00e9rents secteurs de la rivi\u00e8re.<\/li>\n\n\n\n<li><strong>Analyser la faune et la flore aquatique<\/strong>&nbsp;: des pr\u00e9l\u00e8vements sont effectu\u00e9s sur les s\u00e9diments, l\u2019eau, les plantes, et sur les organismes vivants, afin d&rsquo;\u00e9tudier notamment l\u2019absorption des microplastiques par les poissons.<\/li>\n\n\n\n<li><strong>Sensibilisation et p\u00e9dagogie<\/strong>&nbsp;: la mission vise aussi \u00e0 informer le public sur la pollution des rivi\u00e8res, via des conf\u00e9rences, \u00e9v\u00e9nements \u00e9ducatifs et la publication d\u2019un rapport scientifique.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Contenu et d\u00e9marche<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pr\u00e9lever r\u00e9guli\u00e8rement<\/strong>&nbsp;des \u00e9chantillons de s\u00e9diments, d\u2019eau, de plantes, et de faune le long du cours de l\u2019Yonne.<\/li>\n\n\n\n<li><strong>Analyser en laboratoire<\/strong>&nbsp;la teneur en polluants : microplastiques, dioxines, phtalates, pesticides, etc.<\/li>\n\n\n\n<li><strong>\u00c9valuer l\u2019impact<\/strong>&nbsp;de la pollution sur la biodiversit\u00e9 aquatique et sur la cha\u00eene alimentaire locale.<\/li>\n\n\n\n<li><strong>Partager les r\u00e9sultats<\/strong>&nbsp;avec un large public pour am\u00e9liorer la connaissance sur la pollution des cours d\u2019eau en France et encourager des actions de pr\u00e9servation<a href=\"https:\/\/www.explogeo.org\/missions\/missions-en-projet\/mission-icauna\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a>.<\/li>\n<\/ul>\n\n\n\n<p>Cette mission s\u2019inscrit dans une d\u00e9marche \u00e0 la fois scientifique et de sensibilisation, afin de mieux comprendre et combattre la pollution des rivi\u00e8res fran\u00e7aises, \u00e0 l\u2019exemple de l\u2019Yonne.<\/p>\n\n\n\n<p><strong>En bref\u202f:<\/strong><br>La mission ICAUNA est une descente scientifique de l\u2019Yonne, ax\u00e9e sur la mesure, l\u2019analyse et la sensibilisation \u00e0 la pollution aquatique (notamment plastique et chimique), avec des pr\u00e9l\u00e8vements et observations r\u00e9alis\u00e9s tout au long du parcours fluvial<a rel=\"noreferrer noopener\" target=\"_blank\" href=\"https:\/\/www.explogeo.org\/missions\/missions-en-projet\/mission-icauna\"><\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00e9sultats: en cours<\/h2>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"1024\" data-id=\"299\" src=\"https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/471140635_505793322618745_1628826999543550020_n-576x1024.jpeg\" alt=\"\" class=\"wp-image-299\" srcset=\"https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/471140635_505793322618745_1628826999543550020_n-576x1024.jpeg 576w, https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/471140635_505793322618745_1628826999543550020_n-169x300.jpeg 169w, https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/471140635_505793322618745_1628826999543550020_n-768x1365.jpeg 768w, 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https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/DSC06537-300x200.jpg 300w, https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/DSC06537-768x512.jpg 768w, https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/DSC06537-1536x1024.jpg 1536w, https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/DSC06537-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"311\" src=\"https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/DSC06512-1024x683.jpg\" alt=\"\" class=\"wp-image-311\" srcset=\"https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/DSC06512-1024x683.jpg 1024w, https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/DSC06512-300x200.jpg 300w, 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Cette mission tire son nom du terme celtique \u00ab\u00a0Icauna\u00a0\u00bb, nom originel de l\u2019Yonne.<\/p>\n","protected":false},"author":1,"featured_media":288,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[5,4],"tags":[],"class_list":["post-19","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environnemental","category-nos-projets"],"jetpack_featured_media_url":"https:\/\/lecercledesaventuriers.fr\/wp-content\/uploads\/2025\/10\/470732116_505788829285861_1642259348003353191_n.jpeg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/lecercledesaventuriers.fr\/index.php\/wp-json\/wp\/v2\/posts\/19","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lecercledesaventuriers.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lecercledesaventuriers.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lecercledesaventuriers.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lecercledesaventuriers.fr\/index.php\/wp-json\/wp\/v2\/comments?post=19"}],"version-history":[{"count":7,"href":"https:\/\/lecercledesaventuriers.fr\/index.php\/wp-json\/wp\/v2\/posts\/19\/revisions"}],"predecessor-version":[{"id":312,"href":"https:\/\/lecercledesaventuriers.fr\/index.php\/wp-json\/wp\/v2\/posts\/19\/revisions\/312"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lecercledesaventuriers.fr\/index.php\/wp-json\/wp\/v2\/media\/288"}],"wp:attachment":[{"href":"https:\/\/lecercledesaventuriers.fr\/index.php\/wp-json\/wp\/v2\/media?parent=19"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lecercledesaventuriers.fr\/index.php\/wp-json\/wp\/v2\/categories?post=19"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lecercledesaventuriers.fr\/index.php\/wp-json\/wp\/v2\/tags?post=19"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}