{"id":576,"date":"2026-10-06T12:16:32","date_gmt":"2026-10-06T12:16:32","guid":{"rendered":"https:\/\/www.lichen-media.fr\/?page_id=576"},"modified":"2026-10-06T12:16:34","modified_gmt":"2026-10-06T12:16:34","slug":"tatiana-giraud-biodiversite","status":"publish","type":"page","link":"https:\/\/www.lichen-media.fr\/index.php\/les-conversations-de-lichen\/tatiana-giraud-biodiversite\/","title":{"rendered":"Tatiana Giraud : comprendre l\u2019effondrement du vivant"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>LES CONVERSATIONS DE LICHEN \u00b7 BIODIVERSIT\u00c9<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size wp-block-paragraph\">Que signifie vraiment l\u2019effondrement du vivant, et comment agir sans se tromper de cible ? Avec Tatiana Giraud, biologiste de l\u2019\u00e9volution, directrice de recherche au CNRS et membre de l\u2019Acad\u00e9mie des sciences, nous prenons le temps de regarder la biodiversit\u00e9 comme un r\u00e9seau de relations dont nos vies d\u00e9pendent.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Regarder la conversation int\u00e9grale<\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Effondrement du vivant. Comprendre la biodiversit\u00e9 pour agir | Conversation avec Tatiana Giraud\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/XbYkaWrD7NE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Conversation enregistr\u00e9e le 26 juin 2026 \u00b7 <a href=\"https:\/\/open.spotify.com\/episode\/603eHUwA4iEdydGvdkK55V\">\u00c9couter l\u2019\u00e9pisode sur Spotify \u2197<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Une conversation pour comprendre avant d\u2019agir<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vautours, chauves-souris, graines, sols, micro-organismes : derri\u00e8re chaque esp\u00e8ce se tissent des liens souvent invisibles. Cette rencontre explore ce que nous perdons quand ces relations se d\u00e9font, ce que les sciences permettent d\u00e9j\u00e0 de constater et les choix qui peuvent prot\u00e9ger le vivant.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Au fil de la conversation<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">01 \u00b7 Une biodiversit\u00e9 faite de relations<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pourquoi compter les esp\u00e8ces ne suffit-il pas \u00e0 comprendre le fonctionnement d\u2019un \u00e9cosyst\u00e8me ? Tatiana Giraud nous invite \u00e0 regarder les interactions entre les \u00eatres vivants et les services qu\u2019elles rendent, y compris \u00e0 notre sant\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">02 \u00b7 Les signes d\u2019un effondrement<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Disparition des habitats, recul des populations, perturbation des cha\u00eenes du vivant : comment lire les signaux, sans r\u00e9duire la crise \u00e0 quelques esp\u00e8ces embl\u00e9matiques ?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">03 \u00b7 Des actions \u00e0 la hauteur des causes<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Conserver des graines ou prot\u00e9ger une esp\u00e8ce peut aider, mais ces gestes ne remplacent pas la pr\u00e9servation des milieux et la r\u00e9duction des pressions qui les fragilisent. La conversation ouvre des pistes d\u2019action individuelles et collectives.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Six questions \u00e0 explorer<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Notre sant\u00e9 d\u00e9pend-elle des vautours et des chauves-souris ?<\/li>\n\n\n\n<li>Peut-on sauver une esp\u00e8ce sans sauver toutes les autres ?<\/li>\n\n\n\n<li>La biodiversit\u00e9 est-elle seulement une collection d\u2019esp\u00e8ces ?<\/li>\n\n\n\n<li>Une banque de graines suffira-t-elle \u00e0 nous sauver ?<\/li>\n\n\n\n<li>L\u2019effondrement du vivant a-t-il d\u00e9j\u00e0 commenc\u00e9 ?<\/li>\n\n\n\n<li>Comment agir vraiment pour le vivant ?<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">L\u2019invit\u00e9e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tatiana Giraud<\/strong> est biologiste de l\u2019\u00e9volution, directrice de recherche au CNRS et membre de l\u2019Acad\u00e9mie des sciences. Elle est l\u2019autrice de <em>La biodiversit\u00e9 en infographies. L\u2019urgence du vivant : comprendre pour agir<\/em>, paru aux \u00e9ditions Tana en 2026, avec Herv\u00e9 Bouilly et Catherine Huguet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/boutique.lpo.fr\/produit\/ED1546\">D\u00e9couvrir le livre et ses infographies originales \u2197<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.lichen-media.fr\/index.php\/les-conversations-de-lichen\/\">\u2190 Toutes les Conversations de Lichen<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>LES CONVERSATIONS DE LICHEN \u00b7 BIODIVERSIT\u00c9 Que signifie vraiment l\u2019effondrement du vivant, et comment agir sans se tromper de cible ? Avec Tatiana Giraud, biologiste de l\u2019\u00e9volution, directrice de recherche au CNRS et membre de l\u2019Acad\u00e9mie des sciences, nous prenons le temps de regarder la biodiversit\u00e9 comme un r\u00e9seau de relations dont nos vies d\u00e9pendent&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":501,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-576","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.lichen-media.fr\/index.php\/wp-json\/wp\/v2\/pages\/576","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lichen-media.fr\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.lichen-media.fr\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.lichen-media.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lichen-media.fr\/index.php\/wp-json\/wp\/v2\/comments?post=576"}],"version-history":[{"count":1,"href":"https:\/\/www.lichen-media.fr\/index.php\/wp-json\/wp\/v2\/pages\/576\/revisions"}],"predecessor-version":[{"id":577,"href":"https:\/\/www.lichen-media.fr\/index.php\/wp-json\/wp\/v2\/pages\/576\/revisions\/577"}],"up":[{"embeddable":true,"href":"https:\/\/www.lichen-media.fr\/index.php\/wp-json\/wp\/v2\/pages\/501"}],"wp:attachment":[{"href":"https:\/\/www.lichen-media.fr\/index.php\/wp-json\/wp\/v2\/media?parent=576"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}