{"id":22752,"date":"2021-07-20T21:38:00","date_gmt":"2021-07-20T19:38:00","guid":{"rendered":"https:\/\/www.altercampagne.net\/?p=22752"},"modified":"2021-07-28T12:14:49","modified_gmt":"2021-07-28T10:14:49","slug":"a-la-bonne-eure-bienvenu-au-marais-deden-de-thierry-et-christine","status":"publish","type":"post","link":"https:\/\/www.altercampagne.net\/?p=22752","title":{"rendered":"A la bonne Eure, bienvenu au marais d&rsquo;Eden de Thierry et Christine"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\"><em>Tout est li\u00e9<\/em><\/h4>\n\n\n\n<p>\u00ab&nbsp;Tout est li\u00e9&nbsp;\u00bb est le ma\u00eetre mot de Thierry, ex-chercheur \u00e9cologue \u00e0 l\u2019INRA, qui a t\u00f4t chang\u00e9 son parcours pour \u0153uvrer pour la protection de la nature et notamment du <a href=\"https:\/\/www.reserves-naturelles.org\/marais-vernier\" target=\"_blank\" rel=\"noreferrer noopener\">Marais Vernier<\/a>. Engag\u00e9, d\u00e9termin\u00e9, efficace, il si\u00e8ge dans de nombreuses instances dont le Conseil National de Protection de la Nature. Avec son \u00e9pouse botaniste, il a observ\u00e9 l\u2019\u00e9volution de la biodiversit\u00e9 dans le marais et trouv\u00e9 <strong>comment rem\u00e9dier \u00e0 son d\u00e9clin&nbsp;: classement en Parc Naturel R\u00e9gional, Arr\u00eat\u00e9 Pr\u00e9fectoral de Protection de Biotope, Natura 2000, Espace Naturel Sensible, site Ramsar, aide financi\u00e8re par l\u2019Agence de l\u2019Eau, curage du Grand Etang, etc.<\/strong> Il a fond\u00e9 l\u2019<strong>association Les Courtils de Bouquelon<\/strong>, qui g\u00e8re 78 ha donc 55 ha achet\u00e9s sur fonds propres. Il a fait une th\u00e8se jumel\u00e9e avec sa femme sur le Marais Vernier et sa gestion par les herbivores, ainsi que sur les relations des plantes entre elles (phytosociologie). Il a su aussi bien taper aux bonnes portes en utilisant toutes les possibilit\u00e9s l\u00e9gales que mettre les pieds dans l\u2019eau, marquer les veaux nouveaux-n\u00e9s et affronter les taureaux.&nbsp;<\/p>\n\n\n\n<p>Par une conf\u00e9rence diapo et film, une balade \u00e0 pied et une autre \u00e0 v\u00e9lo, il nous a montr\u00e9 l\u2019<strong>\u00e9volution du marais, le contexte \u00e9cologique, l\u2019occupation humaine et surtout la faune et la flore<\/strong>. Il nous a appris combien tous ces aspects sont interconnect\u00e9s et s\u2019impactent mutuellement&nbsp;: l\u2019eau, le climat, la biodiversit\u00e9, les d\u00e9chets, l\u2019action humaine. Dans les zones d\u2019interface entre diff\u00e9rents milieux, telles que les zones humides, on trouve plus d\u2019esp\u00e8ces qu\u2019ailleurs et une r\u00e9gulation du climat et du cycle de l\u2019eau.&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Petit \u00e0 petit, l&rsquo;oiseau fait son nid<\/h4>\n\n\n\n<p>Le Marais Vernier, ancien m\u00e9andre de la Seine, contient la plus grande tourbi\u00e8re de France et un grand \u00e9tang naturel. L\u2019endiguement de la Seine a fait passer la superficie de 2000 \u00e0 4500 ha. Mais le drainage et l\u2019agriculture intensive du Plan Marshall des ann\u00e9es 1950 ont d\u00e9truit l\u2019\u00e9cosyst\u00e8me. Avec un plan de gestion et d\u2019autres actions, <strong>l\u2019association op\u00e8re une restauration efficace<\/strong>.&nbsp;<\/p>\n\n\n\n<p>Nous apprenons que <strong>les prairies p\u00e2tur\u00e9es contiennent davantage d\u2019esp\u00e8ces que les bois<\/strong> et beaucoup plus de vers de terre qui a\u00e8rent et fertilisent le sol, que les cigognes et autres oiseaux tapissent de leurs nids avec les poils des moutons Shetland, des vaches Highland et des chevaux de Camargue, que beaucoup d\u2019esp\u00e8ces d\u00e9pendent les unes des autres.&nbsp;<\/p>\n\n\n\n<p>Et dans les toits de chaume, le fil de ronce resserre mieux les bottes que le fil de fer, le Cladium des marais emp\u00eache les pics et autres d\u2019y faire leur nid et l\u2019iris ou la joubarbe, plantes sur le fa\u00eete, \u00e9vacuent l\u2019humidit\u00e9. <strong>La nature est bien faite et Thierry contribue largement \u00e0 ce qu\u2019elle foisonne dans le Marais Vernier&nbsp;!&nbsp;<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>Dutti<\/em><\/p>\n\n\n\n<p class=\"has-text-align-right\"><em>\u00a9 Herbert Roers<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00ab Tout est li\u00e9 \u00bb est le ma\u00eetre mot de Thierry, ex-chercheur \u00e9cologue \u00e0 l\u2019INRA, qui a t\u00f4t chang\u00e9 son parcours pour \u0153uvrer pour la protection de la nature et notamment du Marais Vernier. Engag\u00e9s, d\u00e9termin\u00e9s, efficaces, lui et sa femme ont trouv\u00e9 comment rem\u00e9dier au d\u00e9clin de la biodiversit\u00e9 dans ce marais : classement en Parc Naturel R\u00e9gional, Arr\u00eat\u00e9 Pr\u00e9fectoral de Protection de Biotope, Natura 2000, Espace Naturel Sensible, site Ramsar, aide financi\u00e8re par l\u2019Agence de l\u2019Eau, curage du Grand Etang, etc.<\/p>\n","protected":false},"author":215,"featured_media":22746,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4198,3486,3478,1],"tags":[],"class_list":["post-22752","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-edition-2021","category-environnement","category-normandie","category-non-classe"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A la bonne Eure, bienvenu au marais d&#039;Eden de Thierry et Christine - AlterTour<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.altercampagne.net\/?p=22752\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A la bonne Eure, bienvenu au marais d&#039;Eden de Thierry et Christine - AlterTour\" \/>\n<meta property=\"og:description\" content=\"\u00ab Tout est li\u00e9 \u00bb est le ma\u00eetre mot de Thierry, ex-chercheur \u00e9cologue \u00e0 l\u2019INRA, qui a t\u00f4t chang\u00e9 son parcours pour \u0153uvrer pour la protection de la nature et notamment du Marais Vernier. 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