{"id":9796,"date":"2025-12-15T10:41:29","date_gmt":"2025-12-15T09:41:29","guid":{"rendered":"https:\/\/www.imbe.fr\/?p=9796"},"modified":"2025-12-15T10:45:53","modified_gmt":"2025-12-15T09:45:53","slug":"mission-au-senegal-biodiversite-acoustique-et-services-ecosystemiques","status":"publish","type":"post","link":"https:\/\/www.imbe.fr\/en\/mission-au-senegal-biodiversite-acoustique-et-services-ecosystemiques\/","title":{"rendered":"Mission to Senegal: biodiversity, acoustics and ecosystem services"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"9796\" class=\"elementor elementor-9796\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4543c96 e-grid e-con-boxed e-con e-parent\" data-id=\"4543c96\" 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-e5701ed elementor-widget elementor-widget-image\" data-id=\"e5701ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/12\/Acu-Niakhar-Hdemeringo-1024x576.jpg\" class=\"attachment-large size-large wp-image-9797\" alt=\"\" srcset=\"https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/12\/Acu-Niakhar-Hdemeringo-1024x576.jpg 1024w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/12\/Acu-Niakhar-Hdemeringo-300x169.jpg 300w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/12\/Acu-Niakhar-Hdemeringo-768x432.jpg 768w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/12\/Acu-Niakhar-Hdemeringo-1536x864.jpg 1536w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/12\/Acu-Niakhar-Hdemeringo-18x10.jpg 18w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/12\/Acu-Niakhar-Hdemeringo-1320x743.jpg 1320w, https:\/\/www.imbe.fr\/wp-content\/uploads\/2025\/12\/Acu-Niakhar-Hdemeringo.jpg 2048w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-985a11e elementor-widget elementor-widget-text-editor\" data-id=\"985a11e\" 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<p><strong>Since 2022, the <a href=\"https:\/\/www.imbe.fr\/en\/recherche\/equipes-de-recherche\/popco-populations-paysages-communautes-conservation\/\">POPCO<\/a>-IMBE-develops research in Senegal<\/strong> around the issues of agro-ecological transition and human-nature co-viability in a Sahelian context. Supported by <a href=\"https:\/\/www.imbe.fr\/en\/annuaire\/herve-jourdan\/\">Herv\u00e9 Jourdan<\/a>, This work is being carried out in areas characterised by highly heterogeneous agricultural practices, contrasting plant cover densities and very pronounced seasonal variations.<\/p><h2>Field missions to support research<\/h2><p>In the autumn, missions were carried out in the groundnut basin by <a href=\"https:\/\/www.imbe.fr\/en\/annuaire\/helene-de-meringo\/\"><strong>H\u00e9l\u00e8ne de M\u00e9ringo<\/strong><\/a> and <a href=\"https:\/\/www.imbe.fr\/en\/annuaire\/arne-saatkamp\/\"><strong>Arne Saatkamp<\/strong><\/a> with two complementary objectives:<\/p><ul data-spread=\"false\"><li><p>understand the role of an \u00abengineer\u00bb ant, <em>Messor galla<\/em>, This is a key factor in the dispersal of seeds and the maintenance of useful biodiversity in agricultural landscapes; ;<\/p><\/li><li><p>explore the contribution of\u2019<strong>eco-acoustics<\/strong> for long-term monitoring of ecosystems and associated human practices.<\/p><\/li><\/ul><h2>Ants, ecosystem engineers<\/h2><p>As part of the <strong>European Galileo project<\/strong>, This study looks at the ecosystem services provided by nature in the context of sustainable family farming. It analyses the interactions between arthropods and weed biodiversity at the edges of fields, in particular the seed dispersal service provided by granivorous ants. <em>Messor galla<\/em>.<\/p><p>These ants are likely to have a major influence on the functioning and sustainability of agroecosystems, and are the subject of a detailed assessment of the weed flora along a <strong>agricultural intensification gradient<\/strong> and <strong>nest density<\/strong>. In total, <strong>almost 800 vegetation plots<\/strong> were characterised in order to estimate the extent of seed dispersal by ants.<\/p><h2>Eco-acoustics: towards long-term monitoring of Sahelian environments<\/h2><p>At the same time, a <strong>network of passive acoustic recorders<\/strong> has been deployed for several months now along gradients of agricultural use (groundnut basin) and restoration (area of the <strong>Great Green Wall<\/strong>). The aim: to establish <strong>reference conditions<\/strong> to monitor changes in biodiversity based on animal acoustic signatures.<\/p><p>A specific experiment made it possible to <strong>calibrate sound propagation<\/strong> in densely vegetated environments. Coupled with a standardised inventory of fauna, these results will help to link acoustic signals to actual levels of biodiversity.<\/p><h2>Partnerships and support<\/h2><p>This work is supported by the <strong>CNRS MITI<\/strong> (project <em>Rescape<\/em>) and the\u2019<a href=\"https:\/\/ohmi-tessekere.in2p3.fr\/\" target=\"_blank\" rel=\"noopener\"><strong>OHMI T\u00e9ss\u00e9kr\u00e9<\/strong><\/a>, in collaboration with <strong>\u00c9tienne Thoret (<a href=\"https:\/\/www.int.univ-amu.fr\/\" target=\"_blank\" rel=\"noopener\">Timone Neuroscience Institute<\/a>)<\/strong>.<\/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>","protected":false},"excerpt":{"rendered":"<p>Depuis 2022, l&#8217;\u00e9quipe POPCO-IMBE-d\u00e9veloppe des recherches au S\u00e9n\u00e9gal autour des enjeux de transition agro\u2011\u00e9cologique et de co\u2011viabilit\u00e9 homme\u2011nature en contexte sah\u00e9lien. Port\u00e9s par Herv\u00e9 Jourdan, ces travaux s\u2019inscrivent dans des [&hellip;]<\/p>\n","protected":false},"author":300,"featured_media":9797,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"class_list":["post-9796","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mission-de-terrain"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.imbe.fr\/en\/wp-json\/wp\/v2\/posts\/9796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.imbe.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.imbe.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.imbe.fr\/en\/wp-json\/wp\/v2\/users\/300"}],"replies":[{"embeddable":true,"href":"https:\/\/www.imbe.fr\/en\/wp-json\/wp\/v2\/comments?post=9796"}],"version-history":[{"count":8,"href":"https:\/\/www.imbe.fr\/en\/wp-json\/wp\/v2\/posts\/9796\/revisions"}],"predecessor-version":[{"id":9807,"href":"https:\/\/www.imbe.fr\/en\/wp-json\/wp\/v2\/posts\/9796\/revisions\/9807"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.imbe.fr\/en\/wp-json\/wp\/v2\/media\/9797"}],"wp:attachment":[{"href":"https:\/\/www.imbe.fr\/en\/wp-json\/wp\/v2\/media?parent=9796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.imbe.fr\/en\/wp-json\/wp\/v2\/categories?post=9796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.imbe.fr\/en\/wp-json\/wp\/v2\/tags?post=9796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}