{"id":29232,"date":"2022-05-24T14:47:00","date_gmt":"2022-05-24T12:47:00","guid":{"rendered":"https:\/\/naturzentrum-thurauen.ch\/?p=29232"},"modified":"2022-10-06T10:53:22","modified_gmt":"2022-10-06T08:53:22","slug":"papillons-les-bateleurs-des-forets-claires","status":"publish","type":"post","link":"https:\/\/naturzentrum-thurauen.ch\/fr\/papillons-les-bateleurs-des-forets-claires\/","title":{"rendered":"Papillons \u2013 les bateleurs des for\u00eats claires"},"content":{"rendered":"\n<p><strong>Une merveille de la nature<\/strong><\/p>\n\n\n\n<p>Apparemment sans but pr\u00e9cis, un grand papillon jaune et noir vol\u00e8te autour du potager sur\u00e9lev\u00e9 plant\u00e9 de fenouil. Soudain, il se pose sur le fenouil, et repart au bout de trois secondes d\u00e9j\u00e0 \u2013 le machaon (Papilio machaon) vient de pondre. Il laisse derri\u00e8re lui un \u0153uf jaune de 1 mm d\u2019o\u00f9 sortira une petite chenille au bout d\u2019une semaine environ. Celle-ci se nourrit des fanes du fenouil, et va prendre 2000 fois plus de poids pendant un mois avant de se nymphoser. Encore 2 \u00e0 3 semaines plus tard, une merveille de la nature \u2013 la m\u00e9tamorphose \u2013 est accomplie, et le papillon adulte sort de la nymphe.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"767\" src=\"https:\/\/naturzentrum-thurauen.ch\/wp-content\/uploads\/sites\/3\/2022\/05\/Schwalbenschwanz_Eiablage_v1_BEARB-1024x767.jpg\" alt=\"\" class=\"wp-image-26485\" srcset=\"https:\/\/naturzentrum-thurauen.ch\/wp-content\/uploads\/sites\/3\/2022\/05\/Schwalbenschwanz_Eiablage_v1_BEARB-1024x767.jpg 1024w, https:\/\/naturzentrum-thurauen.ch\/wp-content\/uploads\/sites\/3\/2022\/05\/Schwalbenschwanz_Eiablage_v1_BEARB-300x225.jpg 300w, https:\/\/naturzentrum-thurauen.ch\/wp-content\/uploads\/sites\/3\/2022\/05\/Schwalbenschwanz_Eiablage_v1_BEARB-768x575.jpg 768w, https:\/\/naturzentrum-thurauen.ch\/wp-content\/uploads\/sites\/3\/2022\/05\/Schwalbenschwanz_Eiablage_v1_BEARB.jpg 1272w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption><em>Un machaon en train de pondre sur un fenouil dans le centre nature Thurauen.<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>La for\u00eat claire \u2013 un habitat abritant de nombreuses esp\u00e8ces<\/strong><\/p>\n\n\n\n<p>Tandis que l\u2019on peut souvent observer le machaon dans des jardins gr\u00e2ce \u00e0 la plante nourrici\u00e8re de sa chenille, le fenouil, d\u2019autres esp\u00e8ces de papillons ont besoin de sites bien sp\u00e9cifiques. Parmi les nombreux exemples compte le c\u00e9phale (Coenonympha arcania), qui fr\u00e9quente volontiers la lisi\u00e8re des for\u00eats, mais dont les chenilles se nourrissent d\u2019herbes des prairies. Avec les for\u00eats dites \u00ab\u00a0claires\u00a0\u00bb, ce sont pr\u00e9cis\u00e9ment de tels habitats qui sont favoris\u00e9s dans les Thurauen. Gr\u00e2ce \u00e0 la canop\u00e9e peu dense, beaucoup de lumi\u00e8re parvient jusqu\u2019au sol, de sorte qu\u2019outre la m\u00e9lique, diverses orchid\u00e9es \u00e9galement peuvent s\u2019y \u00e9panouir.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/naturzentrum-thurauen.ch\/wp-content\/uploads\/sites\/3\/2022\/05\/Schmetterlinge_LiWa_BEARB-scaled-1024x768.jpg\" alt=\"\" class=\"wp-image-26482\" srcset=\"https:\/\/naturzentrum-thurauen.ch\/wp-content\/uploads\/sites\/3\/2022\/05\/Schmetterlinge_LiWa_BEARB-scaled-1024x768.jpg 1024w, https:\/\/naturzentrum-thurauen.ch\/wp-content\/uploads\/sites\/3\/2022\/05\/Schmetterlinge_LiWa_BEARB-scaled-300x225.jpg 300w, https:\/\/naturzentrum-thurauen.ch\/wp-content\/uploads\/sites\/3\/2022\/05\/Schmetterlinge_LiWa_BEARB-scaled-768x576.jpg 768w, https:\/\/naturzentrum-thurauen.ch\/wp-content\/uploads\/sites\/3\/2022\/05\/Schmetterlinge_LiWa_BEARB-scaled-1536x1152.jpg 1536w, https:\/\/naturzentrum-thurauen.ch\/wp-content\/uploads\/sites\/3\/2022\/05\/Schmetterlinge_LiWa_BEARB-scaled-2048x1536.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption><em>Une for\u00eat claire dans les Thurauen.<\/em><\/figcaption><\/figure>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Un pionnier et ses \u00e9mules<\/strong><\/p>\n\n\n\n<p>Friedrich Ris sut reconna\u00eetre la valeur faunistique des Thurauen d\u00e8s le d\u00e9but du XX<sup>e<\/sup> si\u00e8cle. L\u2019ancien directeur de la clinique psychiatrique de Rheinau \u00e9tait un entomologiste de loisir passionn\u00e9 et se rendait r\u00e9guli\u00e8rement dans les Thurauen. Il y observa pr\u00e8s de 80 esp\u00e8ces de papillons de jour. Depuis lors, le nombre des esp\u00e8ces a nettement diminu\u00e9, ce qui peut \u00eatre contrecarr\u00e9 par la pr\u00e9servation des for\u00eats claires. Sur les traces de ce collectionneur de papillons, les Junior Rangers se consacrent intens\u00e9ment en mai et juin \u00e0 la d\u00e9couverte des papillons dans les Thurauen.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Voici venir le d\u00e9but officiel de l\u2019\u00e9t\u00e9. Mais en mai d\u00e9j\u00e0, il y a eu de premi\u00e8res journ\u00e9es exceptionnellement chaudes. Il n\u2019est donc pas \u00e9tonnant que l\u2019on voie d\u00e9j\u00e0 voler beaucoup de papillons. Ils se sentent particuli\u00e8rement bien chez nous dans les for\u00eats claires.<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[258,261],"tags":[],"class_list":["post-29232","post","type-post","status-publish","format-standard","hentry","category-centre-nature-thurauen","category-flore-faune-suisse"],"_links":{"self":[{"href":"https:\/\/naturzentrum-thurauen.ch\/fr\/wp-json\/wp\/v2\/posts\/29232","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/naturzentrum-thurauen.ch\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/naturzentrum-thurauen.ch\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/naturzentrum-thurauen.ch\/fr\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/naturzentrum-thurauen.ch\/fr\/wp-json\/wp\/v2\/comments?post=29232"}],"version-history":[{"count":1,"href":"https:\/\/naturzentrum-thurauen.ch\/fr\/wp-json\/wp\/v2\/posts\/29232\/revisions"}],"predecessor-version":[{"id":29235,"href":"https:\/\/naturzentrum-thurauen.ch\/fr\/wp-json\/wp\/v2\/posts\/29232\/revisions\/29235"}],"wp:attachment":[{"href":"https:\/\/naturzentrum-thurauen.ch\/fr\/wp-json\/wp\/v2\/media?parent=29232"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/naturzentrum-thurauen.ch\/fr\/wp-json\/wp\/v2\/categories?post=29232"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/naturzentrum-thurauen.ch\/fr\/wp-json\/wp\/v2\/tags?post=29232"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}