{"id":491,"date":"2021-01-12T11:07:53","date_gmt":"2021-01-12T10:07:53","guid":{"rendered":"https:\/\/wp.unil.ch\/ecotox\/?p=491"},"modified":"2021-01-12T11:07:53","modified_gmt":"2021-01-12T10:07:53","slug":"la-curiosite-des-grenouilles","status":"publish","type":"post","link":"https:\/\/wp.unil.ch\/ecotox\/2021\/01\/la-curiosite-des-grenouilles\/","title":{"rendered":"La curiosit\u00e9 des grenouilles"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Les amphibiens, comme les grenouilles, ont une peau tr\u00e8s perm\u00e9able qui les rend sensibles aux polluants. D&rsquo;autre part, de par leur mode de vie, ils sont expos\u00e9s dans l&rsquo;eau pendant la phase larvaire, puis par l&rsquo;air et le sol pendant la phase adulte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour que les populations de grenouilles puissent se d\u00e9velopper, les individus doivent \u00eatre capables de se disperser sur le territoire, afin d&rsquo;aller chercher de la nourriture, de se reproduire et de pondre. Mais le but le plus important de cette dispersion est, selon les \u00e9cologues, d&rsquo;augmenter le flux de g\u00e8nes. C&rsquo;est-\u00e0-dire d&rsquo;\u00e9viter la consanguinit\u00e9 et d&rsquo;augmenter la diversit\u00e9 g\u00e9n\u00e9tique, afin d&rsquo;augmenter la capacit\u00e9 de r\u00e9ponse aux stress environnementaux (pr\u00e9dation, changements climatiques, perte de l&rsquo;habitat, pollution). Enfin, cette dispersion permet aussi de coloniser de nouveaux milieux.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette capacit\u00e9 de dispersion est donc un param\u00e8tre tr\u00e8s important pour la survie des esp\u00e8ces.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cette curiosit\u00e9 peut se tester en laboratoire.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A lire sur: <a href=\"https:\/\/blogs.letemps.ch\/nathalie-chevre\/\">https:\/\/blogs.letemps.ch\/nathalie-chevre\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les amphibiens, comme les grenouilles, ont une peau tr\u00e8s perm\u00e9able qui les rend sensibles aux polluants. D&rsquo;autre part, de par leur mode de vie, ils sont expos\u00e9s dans l&rsquo;eau pendant la phase larvaire, puis par l&rsquo;air et le sol pendant la phase adulte. Pour que les populations de grenouilles puissent se d\u00e9velopper, les individus doivent &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/wp.unil.ch\/ecotox\/2021\/01\/la-curiosite-des-grenouilles\/\" class=\"more-link\">Continuer la lecture<span class=\"screen-reader-text\"> de &laquo;&nbsp;La curiosit\u00e9 des grenouilles&nbsp;&raquo;<\/span><\/a><\/p>\n","protected":false},"author":551,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-491","post","type-post","status-publish","format-standard","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/wp.unil.ch\/ecotox\/wp-json\/wp\/v2\/posts\/491","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.unil.ch\/ecotox\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.unil.ch\/ecotox\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/ecotox\/wp-json\/wp\/v2\/users\/551"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.unil.ch\/ecotox\/wp-json\/wp\/v2\/comments?post=491"}],"version-history":[{"count":0,"href":"https:\/\/wp.unil.ch\/ecotox\/wp-json\/wp\/v2\/posts\/491\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.unil.ch\/ecotox\/wp-json\/wp\/v2\/media?parent=491"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.unil.ch\/ecotox\/wp-json\/wp\/v2\/categories?post=491"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.unil.ch\/ecotox\/wp-json\/wp\/v2\/tags?post=491"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}