{"id":1863,"date":"2008-03-05T10:36:13","date_gmt":"2008-03-05T08:36:13","guid":{"rendered":"http:\/\/staging.sillon38.com\/2008\/03\/05\/operation-frequence-grenouille\/"},"modified":"2008-03-05T10:36:13","modified_gmt":"2008-03-05T08:36:13","slug":"operation-frequence-grenouille","status":"publish","type":"post","link":"https:\/\/www.sillon38.com\/blog\/2008\/03\/05\/operation-frequence-grenouille\/","title":{"rendered":"Op\u00e9ration fr\u00e9quence grenouille"},"content":{"rendered":"<p class=\"MsoBodyText2\"><span style=\"font-size: 10pt\"><strong>AVENIR, conservatoire des espaces naturels de l\u2019Is\u00e8re et gestionnaire de la Tourbi\u00e8re du Grand Lemps, organise les <\/strong><strong>dimanches 9 et 16 mars des sorties gratuites sur cette R\u00e9serve naturelle nationale dans le cadre de l\u2019op\u00e9ration Fr\u00e9quence Grenouille. Il est propos\u00e9 aux participants de d\u00e9couvrir des amphibiens en migration pr\u00e9-nuptiale.<\/strong><\/span><img decoding=\"async\" src=\"http:\/\/staging.sillon38.com\/wp-content\/uploads\/2008\/03\/frequence-grenouille_2008_2.jpg\" alt=\"frequence-grenouille_2008_2.jpg\" \/><\/p>\n<p class=\"MsoBodyText3\">Comme chaque ann\u00e9e \u00e0 cette p\u00e9riode, une exceptionnelle diversit\u00e9 d\u2019amphibiens quitte la for\u00eat voisine pour venir se reproduire dans la Tourbi\u00e8re du Grand Lemps. On trouve parmi cette population le Crapaud commun, les grenouilles rousses, agiles et vertes, la Salamandre tachet\u00e9e sans oublier quatre esp\u00e8ces de tritons, contribuant \u00e0 classer le site comme l&rsquo;un des plus importants de Rh\u00f4ne-Alpes.<\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify\"><span style=\"font-size: 10pt; font-family: Arial\">Cette migration coupe une route d\u00e9partementale qui mettait en danger la survie de ces esp\u00e8ces. Mais, pour \u00e9viter l\u2019h\u00e9catombe provoqu\u00e9e par le passage des voitures, le Conseil g\u00e9n\u00e9ral de l&rsquo;Is\u00e8re a am\u00e9nag\u00e9 en 2004 le plus long passage \u00e0 petite faune d\u2019Europe. Sur ce secteur, les petits animaux, dont les amphibiens, peuvent ainsi traverser la route sans encombre.<o:p><\/o:p><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify\"><span style=\"font-size: 10pt; font-family: Arial\">L\u2019op\u00e9ration Fr\u00e9quence Grenouille, cr\u00e9\u00e9e par le r\u00e9seau des Conservatoires d\u2019Espaces Naturels (<a href=\"http:\/\/enf-conservatoires.org\/\">www.enf-conservatoires.org<\/a>), est organis\u00e9e  avec R\u00e9serves Naturelles de France (<a href=\"http:\/\/www.reserves-naturelles.org\/\">www.reserves-naturelles.org<\/a>). Jusqu&rsquo;au <strong>au 30 avril 2008<\/strong> sur l\u2019ensemble du territoire fran\u00e7ais, plus de <strong>200 animations<\/strong> sont propos\u00e9es : sorties guid\u00e9es sur le terrain, diaporamas, conf\u00e9rences, animations pour enfants, chantiers de sauvetages de batraciens. <\/span><span style=\"font-family: Arial\"><o:p><\/o:p><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify\"><span style=\"font-size: 10pt; font-family: Arial\">Cette campagne 2008 s\u2019annonce prometteuse car 10 000 participants sont attendus sur les sites des conservatoires et r\u00e9serves naturelles.<o:p><\/o:p><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify\"><span style=\"font-size: 10pt; font-family: Arial\">Les deux r\u00e9seaux, avec le soutien du Minist\u00e8re de l\u2019\u00c9cologie, du D\u00e9veloppement et de l&rsquo;Am\u00e9nagement Durables et des collectivit\u00e9s territoriales, se mobilisent pour vous faire d\u00e9couvrir, aimer les zones humides et leurs habitants crapauds, grenouilles et autres tritons. Plus qu\u2019un clich\u00e9, ces \u00e9cosyst\u00e8mes tr\u00e8s riches assurent de nom<st1:metricconverter productid=\"10 000 hectares\" w:st=\"on\">b<\/st1:metricconverter>reuses fonctions indispensa<st1:metricconverter productid=\"10 000 hectares\" w:st=\"on\">b<\/st1:metricconverter>les aux \u00e9quili<st1:metricconverter productid=\"10 000 hectares\" w:st=\"on\">b<\/st1:metricconverter>res <st1:metricconverter productid=\"10 000 hectares\" w:st=\"on\">b<\/st1:metricconverter>iologiques, dont l\u2019Homme est souvent et directement <st1:metricconverter productid=\"10 000 hectares\" w:st=\"on\">b<\/st1:metricconverter>\u00e9n\u00e9ficiaire. Ces milieux r\u00e9gulent les \u00e9changes entre les eaux de surface et les nappes phr\u00e9atiques. Elles sont de v\u00e9rita<st1:metricconverter productid=\"10 000 hectares\" w:st=\"on\">b<\/st1:metricconverter>les filtres et <st1:metricconverter productid=\"10 000 hectares\" w:st=\"on\">b<\/st1:metricconverter>arom\u00e8tre attestant de la pr\u00e9servation et de la qualit\u00e9 de l\u2019eau n\u00e9cessaire \u00e0 toute vie.<o:p><\/o:p><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify\"><span style=\"font-size: 10pt; font-family: Arial\">Depuis le d\u00e9<st1:metricconverter productid=\"10 000 hectares\" w:st=\"on\">b<\/st1:metricconverter>ut du XX<sup>e<\/sup> si\u00e8cle, les deux tiers des zones humides ont disparu en France. On estime qu\u2019elles continuent actuellement de dispara\u00eetre au rythme d\u2019environ <strong><st1:metricconverter productid=\"10 000 hectares\" w:st=\"on\">10 000 hectares<\/st1:metricconverter> par an<\/strong>, avec un cort\u00e8ge extraordinaire d\u2019animaux et de plantes.<\/span><span style=\"font-family: Arial\"><o:p><\/o:p><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify\"><span style=\"font-size: 10pt; font-family: Arial\">L\u2019<strong><span style=\"color: green\"><font color=\"#000000\">Op\u00e9ration Fr\u00e9quence Grenouille<\/font> <\/span><\/strong>est l\u2019occasion cette ann\u00e9e encore, de sensibiliser le public sur la n\u00e9cessit\u00e9 de prot\u00e9ger ces milieux rares qui ont subi de nombreuses atteintes et destructions. <o:p><\/o:p><\/span><\/p>\n<p class=\"MsoNormal\" style=\"text-align: justify\"><span style=\"font-size: 10pt; font-family: Arial\"><strong>Si vous souhaitez participer aux sorties organis\u00e9es en Is\u00e8re, rendez-vous les dimanches 9 et 16 mars \u00e0 10 h sur l&rsquo;aire d&rsquo;accueil au Sud de la Tourbi\u00e8re du Grand Lemps (aire du pont vers le passage \u00e0 niveau de la voie ferr\u00e9e). Fin de la sortie vers midi.<\/strong><o:p><\/o:p><\/span><\/p>\n<h1><span style=\"font-size: 10pt; font-family: Arial\">Pour tout compl\u00e9ment d&rsquo;information, contacter Gr\u00e9gory Maillet, conservateur de la R\u00e9serve naturelle : 04.76.65.08.65 ou 06.07.86.70.49<o:p><\/o:p><\/span><\/h1>\n","protected":false},"excerpt":{"rendered":"<p>AVENIR, conservatoire des espaces naturels de l\u2019Is\u00e8re et gestionnaire de la Tourbi\u00e8re du Grand Lemps, organise les dimanches 9 et 16 mars des sorties gratuites sur cette R\u00e9serve naturelle nationale dans le cadre de l\u2019op\u00e9ration Fr\u00e9quence Grenouille. Il est propos\u00e9&#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-1863","post","type-post","status-publish","format-standard","hentry","category-nature"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Op\u00e9ration fr\u00e9quence grenouille -<\/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.sillon38.com\/blog\/2008\/03\/05\/operation-frequence-grenouille\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Op\u00e9ration fr\u00e9quence grenouille -\" \/>\n<meta property=\"og:description\" content=\"AVENIR, conservatoire des espaces naturels de l\u2019Is\u00e8re et gestionnaire de la Tourbi\u00e8re du Grand Lemps, organise les dimanches 9 et 16 mars des sorties gratuites sur cette R\u00e9serve naturelle nationale dans le cadre de l\u2019op\u00e9ration Fr\u00e9quence Grenouille. 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