{"id":13081,"date":"2017-05-17T13:52:04","date_gmt":"2017-05-17T11:52:04","guid":{"rendered":"https:\/\/edu.ge.ch\/site\/edd\/?p=13081"},"modified":"2018-07-11T18:50:01","modified_gmt":"2018-07-11T16:50:01","slug":"amenagement-de-milieux-naturels","status":"publish","type":"post","link":"https:\/\/edu.ge.ch\/site\/edd\/amenagement-de-milieux-naturels\/","title":{"rendered":"Am\u00e9nagement de milieux naturels"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 hundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-overflow:visible;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-text fusion-text-1\"><p>Le sol de cette toiture est constitu\u00e9 de deux sortes de substrat (ricoter et compost\/gravier) qui varient en \u00e9paisseur et qui ont \u00e9t\u00e9 plant\u00e9s avec des groupes de plantes indig\u00e8nes bien choisies. Le but est de recr\u00e9er deux types de milieu naturel devenus peu fr\u00e9quents, voire rares, dans le canton de Gen\u00e8ve:<\/p>\n<p><strong>Prairie mi-s\u00e8che<\/strong><\/p>\n<p>Dans les prairies mi-s\u00e8ches (appel\u00e9es Mesobromion) se d\u00e9veloppe une v\u00e9g\u00e9tation color\u00e9e, compos\u00e9e d\u2019esp\u00e8ces v\u00e9g\u00e9tales peu exigeantes en eau et en nutriments. Traditionnellement fauch\u00e9es une fois par an, ces prairies sont propices \u00e0 la croissance des orchid\u00e9es. Parmi les plantes caract\u00e9ristiques figurent : L\u2019\u0153illet des Chartreux (Dianthus carthusianorum) La sauge des pr\u00e9s (Salvia pratensis) La marguerite commune (Leucanthemum ircutianum)<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"--awb-margin-top-small:10px;--awb-margin-right-small:0px;--awb-margin-bottom-small:10px;--awb-margin-left-small:0px;\"><h1 class=\"fusion-title-heading title-heading-left\" style=\"margin:0;\">Pelouse tr\u00e8s s\u00e8che<\/h1><\/div><div class=\"fusion-text fusion-text-2\"><p>Les pelouses tr\u00e8s s\u00e8ches (appel\u00e9es Xerobromion) sont plus rares. Dans le canton, on en trouve encore au Moulin de Vert et au bord de l\u2019Allondon. Elles croissent sur des sols caillouteux et elles ne sont jamais fauch\u00e9es. Leurs v\u00e9g\u00e9taux sont sp\u00e9cialement adapt\u00e9s pour stocker l\u2019eau ou limiter leur transpiration. C\u2019est le cas des plantes suivantes : L\u2019orpin blanc (Sedum album) L\u2019\u0153illet saxifrage (Petrorhagia saxifraga) L\u2019\u00e9piaire droite (Stachys recta) La v\u00e9g\u00e9talisation des toitures, en vue de recr\u00e9er des milieux naturels, est une pratique assez r\u00e9cente. Voil\u00e0 pourquoi ce site comporte aussi des zones de tests et d\u2019\u00e9tudes qui permettront d\u2019am\u00e9liorer les techniques de mise en \u0153uvre et d\u2019entretien.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3779,"featured_media":13097,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[257,90],"tags":[308,306,305,307],"ecole-et-commune":[],"evenement":[],"class_list":["post-13081","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nature-echo-2017","category-zoom","tag-especes-vegetales","tag-milieu-naturel","tag-toiture","tag-vegetation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Am\u00e9nagement de milieux naturels - DIP21<\/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:\/\/edu.ge.ch\/site\/edd\/amenagement-de-milieux-naturels\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Am\u00e9nagement de milieux naturels - 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