{"id":1473,"date":"2016-06-25T09:30:45","date_gmt":"2016-06-25T07:30:45","guid":{"rendered":"https:\/\/www.pagesjaunesmonaco.com\/blog\/?p=1473"},"modified":"2016-06-28T09:20:35","modified_gmt":"2016-06-28T07:20:35","slug":"manchots-empereurs","status":"publish","type":"post","link":"https:\/\/annuaire-monaco.mc\/news-monaco\/manchots-empereurs\/","title":{"rendered":"Le Centre Scientifique de Monaco \u00e9tudie les Manchots empereurs"},"content":{"rendered":"<p style=\"text-align: justify;\">\u00c9cologie \u00e9volutive : la migration circumpolaire assure l&rsquo;unit\u00e9 \u00e9volutive\u00a0des manchots empereurs. Aucune colonie de manchots n\u2019est une petite t\u00e2che isol\u00e9e perdue\u00a0sur la banquise Antarctique. Une \u00e9tude publi\u00e9e cette semaine dans le prestigieux journal\u00a0Nature Communications d\u00e9voile l\u2019existence d\u2019un brassage g\u00e9n\u00e9tique \u00e0 large \u00e9chelle chez les\u00a0manchots empereurs, ces oiseaux marins symboles des zones polaires Antarctique que l\u2019on\u00a0croyait fid\u00e8les \u00e0 leur site de naissance.<\/p>\n<p style=\"text-align: justify;\">D\u00e9finir et d\u00e9limiter les populations est fondamental pour \u00eatre \u00e0 m\u00eame de prot\u00e9ger une esp\u00e8ce. Une\u00a0\u00e9tude men\u00e9e dans le cadre du Laboratoire International Associ\u00e9 \u00ab BioSensib \u00bb \u00e9tabli entre le Centre\u00a0Scientifique de Monaco, l\u2019Institut \u00c9cologie et Environnement du CNRS et l\u2019Institut Pluridisciplinaire\u00a0Hubert Curien de l\u2019Universit\u00e9 de Strasbourg vient de r\u00e9pondre \u00e0 cette question en ce qui concerne\u00a0les manchots empereurs, ces pr\u00e9dateurs sup\u00e9rieurs de l\u2019oc\u00e9an Austral. En utilisant des donn\u00e9es\u00a0g\u00e9nomiques de populations de manchots empereurs \u00e9tablies tout autour du continent Antarctique,\u00a0cette \u00e9tude publi\u00e9e dans le num\u00e9ro dat\u00e9 du 14 juin 2016 du prestigieux journal Nature\u00a0Communications r\u00e9v\u00e8le pour la premi\u00e8re fois que loin d\u2019\u00eatre structur\u00e9s en petites populations\u00a0isol\u00e9es avec peu d\u2019\u00e9changes, les manchots se pr\u00e9sentent sous la forme d\u2019une population mondiale\u00a0unique, dont la d\u00e9mographie est partag\u00e9e depuis la fin du Quaternaire. Les auteurs montrent ainsi\u00a0que la dispersion joue un r\u00f4le central dans la r\u00e9ponse adaptative de l&rsquo;esp\u00e8ce aux changements\u00a0environnementaux \u00e0 l&rsquo;\u00e9chelle du Continent.<\/p>\n<p style=\"text-align: justify;\">Cette \u00e9tude r\u00e9v\u00e8le aussi que chaque colonie peut s\u2019appuyer sur le patrimoine g\u00e9n\u00e9tique des autres\u00a0colonies pour assurer la diversit\u00e9 g\u00e9n\u00e9tique de l\u2019esp\u00e8ce. Or, \u00ab la diversit\u00e9 est la mati\u00e8re premi\u00e8re de\u00a0l&rsquo;\u00e9volution : ce qui veut dire que plus la diversit\u00e9 est grande, plus les esp\u00e8ces pourront faire face \u00e0\u00a0un environnement en mutation rapide comme nous l\u2019observons actuellement \u00bb indique le Dr\u00a0Emiliano Trucchi, co-auteur de cette \u00e9tude travaillant \u00e0 l&rsquo;Universit\u00e9 de Vienne. Il s\u2019agit l\u00e0 d\u2019une\u00a0excellente nouvelle. Le revers de la m\u00e9daille est que les manchots empereurs ont d\u00e9velopp\u00e9 des\u00a0adaptations qui les contraignent \u00e0 vivre autour du continent Antarctique : donc si le r\u00e9chauffement\u00a0de la plan\u00e8te se poursuit au rythme fr\u00e9n\u00e9tique que nous connaissons actuellement, il est fort\u00a0probable que les manchots ne puissent pas s\u2019adapter aussi rapidement \u00e0 leur nouvel\u00a0environnement, et l&rsquo;ensemble de ces incroyables et uniques adaptations, mises en place sur des\u00a0millions d&rsquo;ann\u00e9es pour pouvoir vivre dans l\u2019endroit le plus froid sur Terre, pourrait bien dispara\u00eetre\u00a0\u00e0 jamais. Ces exceptionnels oiseaux ont travers\u00e9 les \u00e2ges, alors essayons de faire en sorte que\u00a0l\u2019homme ne soit pas l\u2019esp\u00e8ce qui fasse fondre leur maison glac\u00e9e.<\/p>\n<p style=\"text-align: left;\">Pour toute information, contacter : Dr C\u00e9line Le Bohec (clebohec@centrescientifique.mc;\u00a0celine.lebohec@iphc.cnrs.fr) ou consulter le site web du CSM (www.centrescientifique.mc).<\/p>\n<div style=\"text-align: center;\">[themoneytizer id=\u00a0\u00bb3023-1&Prime;]<\/div>\n","protected":false},"excerpt":{"rendered":"\u00c9cologie \u00e9volutive : la migration circumpolaire assure l&rsquo;unit\u00e9 \u00e9volutive\u00a0des manchots empereurs. Aucune colonie de manchots n\u2019est une petite t\u00e2che isol\u00e9e perdue\u00a0sur la banquise Antarctique. Une \u00e9tude publi\u00e9e cette semaine dans le prestigieux journal\u00a0Nature Communications d\u00e9voile l\u2019existence d\u2019un brassage g\u00e9n\u00e9tique \u00e0 large \u00e9chelle chez les\u00a0manchots empereurs, ces oiseaux marins symboles des zones polaires Antarctique que l\u2019on\u00a0croyait [&hellip;]","protected":false},"author":3,"featured_media":1474,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60,6],"tags":[841,839,840,12,24,53],"class_list":["post-1473","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environnement","category-monaco","tag-centre-scientifique-de-monaco","tag-manchots","tag-manchots-empereurs","tag-monaco","tag-monte-carlo","tag-principaute"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le Centre Scientifique de Monaco \u00e9tudie les Manchots empereurs<\/title>\n<meta name=\"description\" content=\"Une \u00e9tude publi\u00e9e dans le journal Nature Communications d\u00e9voile l\u2019existence d\u2019un brassage g\u00e9n\u00e9tique \u00e0 large \u00e9chelle chez les manchots empereurs.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/annuaire-monaco.mc\/news-monaco\/manchots-empereurs\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le Centre Scientifique de Monaco \u00e9tudie les Manchots empereurs\" \/>\n<meta property=\"og:description\" content=\"Une \u00e9tude publi\u00e9e dans le journal Nature Communications d\u00e9voile l\u2019existence d\u2019un brassage g\u00e9n\u00e9tique \u00e0 large \u00e9chelle chez les manchots empereurs.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/annuaire-monaco.mc\/news-monaco\/manchots-empereurs\/\" \/>\n<meta property=\"og:site_name\" content=\"Pages Jaunes Monaco - 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