{"id":5893,"date":"2015-01-23T20:53:59","date_gmt":"2015-01-23T19:53:59","guid":{"rendered":"http:\/\/www.grandesterresbio.com\/?p=5893"},"modified":"2015-01-23T20:54:22","modified_gmt":"2015-01-23T19:54:22","slug":"ile-de-france-les-libellules-sont-en-danger","status":"publish","type":"post","link":"https:\/\/claire-jannot.com\/?p=5893","title":{"rendered":"\u00cele de France : Les libellules sont en danger !"},"content":{"rendered":"<h2><span style=\"color: #000000;\">La r\u00e9gion \u00cele-de-France abrite 59 esp\u00e8ces de libellules, mais plus d&rsquo;une sur cinq est menac\u00e9e de disparition par les atteintes aux zones humides o\u00f9 elles \u00e9voluent, selon un inventaire in\u00e9dit pr\u00e9sent\u00e9 mercredi.<\/span><\/h2>\n<p><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"https:\/\/i0.wp.com\/www.grandesterresbio.com\/wp-content\/uploads\/2015\/01\/800px-Libellule_sur_lavande_03.jpg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-5894 \" src=\"https:\/\/i0.wp.com\/www.grandesterresbio.com\/wp-content\/uploads\/2015\/01\/800px-Libellule_sur_lavande_03.jpg?resize=396%2C263\" alt=\"Libellule-www.grandesterresbio.com\" width=\"396\" height=\"263\" srcset=\"https:\/\/i0.wp.com\/claire-jannot.com\/wp-content\/uploads\/2015\/01\/800px-Libellule_sur_lavande_03.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/claire-jannot.com\/wp-content\/uploads\/2015\/01\/800px-Libellule_sur_lavande_03.jpg?resize=300%2C199&amp;ssl=1 300w\" sizes=\"auto, (max-width: 396px) 100vw, 396px\" \/><\/a>Pour cette \u00e9valuation, <strong>\u00ab\u00a028.000 donn\u00e9es enregistr\u00e9es depuis 20 ans<\/strong> par des naturalistes ont \u00e9t\u00e9 compil\u00e9es, une douzaine d&rsquo;experts ont veill\u00e9 au respect de la m\u00e9thodologie pr\u00e9conis\u00e9e par l&rsquo;<strong>UICN\u00a0\u00bb (Union internationale de la conservation de la nature)<\/strong>, a d\u00e9taill\u00e9 <strong>Lucile Dewulf<\/strong> de <strong>Natureparif,<\/strong> l&rsquo;agence r\u00e9gionale en charge de la biodiversit\u00e9.<\/span><br \/>\n<span style=\"color: #000000;\"><strong>Il en ressort que sur la centaine de sortes de\u00a0libellules recens\u00e9es en France, 59 sont pr\u00e9sentes en r\u00e9gion parisienne<\/strong>, o\u00f9 les milieux humides (mares, ruisseaux, lacs, tourbi\u00e8res, etc.) subissent une tr\u00e8s forte pression due \u00e0 l&rsquo;<strong>urbanisation<\/strong> dans la petite couronne et aux <strong>cultures intensives<\/strong> dans la grande couronne.<\/span><\/p>\n<p><span style=\"color: #000000;\">Si la survie de la moiti\u00e9 <strong>(31 esp\u00e8ces)<\/strong> de ces <strong>odonates<\/strong> &#8211; le nom scientifique des libellules &#8211; ne pose pas de probl\u00e8me, pr\u00e8s d&rsquo;un quart (22%) sont menac\u00e9es \u00e0 des degr\u00e9s divers, et 14% sont quasi-menac\u00e9es. <\/span><\/p>\n<p><span style=\"color: #000000;\">Les libellules <strong>\u00ab\u00a0sont des sentinelles des zones humides<\/strong>, qui sont <strong>le milieu naturel le plus menac\u00e9 en Ile-de-France et en France\u00a0\u00bb<\/strong>, a soulign\u00e9 <strong>Samuel Jolivet<\/strong>, directeur de l&rsquo;Opie (Office pour les insectes et leur environnement), une association ayant permis cette \u00e9valuation avec la <strong>Soci\u00e9t\u00e9 fran\u00e7aise d&rsquo;odonatalogie.<\/strong> \u00ab\u00a0En \u00e9valuant la population de libellules, on peut avoir une id\u00e9e du bon \u00e9tat des milieux aquatiques\u00a0\u00bb, a ajout\u00e9 le sp\u00e9cialiste.<\/span><br \/>\n<span style=\"color: #000000;\">En plus d&rsquo;\u00eatre des r\u00e9servoirs pour la biodiversit\u00e9 animale et v\u00e9g\u00e9tale, <strong>les zones humides ont des fonctions essentielles de filtrage des eaux<\/strong>, ainsi que d&rsquo;absorption des surplus d&rsquo;eau et de r\u00e9servoir lors de s\u00e9cheresse. La moiti\u00e9 des zones humides ont disparu en France en un si\u00e8cle.<\/span><br \/>\n<span style=\"color: #000000;\">Les libellules \u00e9tant des carnivores, elles se nourrissent notamment de moustiques et ont donc un <strong>r\u00f4le r\u00e9gulateur.<\/strong> Elles sont une proie pour des araign\u00e9es, des oiseaux, des poissons et des batraciens.<\/span><br \/>\n<span style=\"color: #000000;\">Ce travail d&rsquo;\u00e9valuation sera mis \u00e0 jour environ tous les cinq ans.<\/span><\/p>\n<address><span style=\"color: #000000;\">Source :\u00a0PARIS,\u00a021 jan 2015 (AFP)<\/span><\/address>\n<address><span style=\"color: #000000;\">Cr\u00e9dit photo :\u00a0By Mindiell (Own work) [CC BY-SA 3.0 (http:\/\/creativecommons.org\/licenses\/by-sa\/3.0)], via Wikimedia Commons<\/span><\/address>\n<address>\u00a0<\/address>\n<address>\u00a0<\/address>\n<address>\u00a0<\/address>\n<address>\u00a0<\/address>\n<address>\u00a0<\/address>\n","protected":false},"excerpt":{"rendered":"<p>La r\u00e9gion \u00cele-de-France abrite 59 esp\u00e8ces de libellules, mais plus d&rsquo;une sur cinq est menac\u00e9e de disparition par les atteintes aux zones humides o\u00f9 elles \u00e9voluent, selon un inventaire in\u00e9dit pr\u00e9sent\u00e9 mercredi. Pour cette \u00e9valuation, \u00ab\u00a028.000 donn\u00e9es enregistr\u00e9es depuis 20 &hellip; <a href=\"https:\/\/claire-jannot.com\/?p=5893\">Continuer la lecture <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[2,49],"tags":[39,4,5,21,36,48],"class_list":["post-5893","post","type-post","status-publish","format-standard","hentry","category-ecologie","category-vie-animale-2","tag-eau","tag-ecologie2","tag-environnement","tag-jardin","tag-pollution","tag-vie-animale"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5jjt5-1x3","_links":{"self":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/posts\/5893","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5893"}],"version-history":[{"count":3,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/posts\/5893\/revisions"}],"predecessor-version":[{"id":5897,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=\/wp\/v2\/posts\/5893\/revisions\/5897"}],"wp:attachment":[{"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/claire-jannot.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}