{"id":16111,"date":"2014-11-06T13:25:03","date_gmt":"2014-11-06T17:55:03","guid":{"rendered":"https:\/\/seryhumano.com\/web\/?p=16111"},"modified":"2014-11-05T20:49:04","modified_gmt":"2014-11-06T01:19:04","slug":"cambios-climaticos-habrian-diezmado-la-poblacion-de-demonios-de-tasmania","status":"publish","type":"post","link":"https:\/\/seryhumano.com\/web\/?p=16111","title":{"rendered":"Cambios clim\u00e1ticos habr\u00edan diezmado la poblaci\u00f3n de demonios de Tasmania"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-16112 size-medium\" src=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2014\/11\/tasmania-demonio-300x200.jpg\" alt=\"Tasmania Jan 08\" width=\"300\" height=\"200\" srcset=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2014\/11\/tasmania-demonio-300x200.jpg 300w, https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2014\/11\/tasmania-demonio.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>Antiguamente este animal pobl\u00f3 el territorio continental de Australia, pero ahora su h\u00e1bitat se reduce a la isla de Tasmania, en donde padece de tumores faciales y una baja diversidad gen\u00e9tica.<\/p>\n<p>HERRAMIENTAS<\/p>\n<p>Los cambios clim\u00e1ticos han diezmado desde hace 30.000 a\u00f1os la poblaci\u00f3n de demonios de Tasmania, un animal australiano que actualmente est\u00e1 al borde de la extinci\u00f3n, seg\u00fan un estudio publicado hoy.<\/p>\n<p>Uno de sus autores, el bi\u00f3logo de la Universidad de Adelaida, Jeremy Austin, dijo que en el pasado estos animales sufrieron dos \u00abcuellos de botella\u00bb en su poblaci\u00f3n y que estos dos descensos coincidieron con cambios en el clima.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-16113 size-medium\" src=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2014\/11\/1-300x205.jpg\" alt=\"1\" width=\"300\" height=\"205\" srcset=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2014\/11\/1-300x205.jpg 300w, https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2014\/11\/1.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>La investigaci\u00f3n, publicada en la revista Biology Letters, analiz\u00f3 con m\u00e9todos estad\u00edsticos los datos gen\u00e9ticos de 300 ejemplares modernos y antiguos de demonios de Tasmania para evaluar las variaciones en el tama\u00f1o de la poblaci\u00f3n.<\/p>\n<p>Los resultados mostraron una crisis hace m\u00e1s de 20.000 a\u00f1os, durante la \u00faltima era de hielo, y otra hace entre 3.000 y 4.000 a\u00f1os, cuando aument\u00f3 el \u00edndice del fen\u00f3meno de oscilaci\u00f3n Sur\/El Ni\u00f1o, los terrenos eran m\u00e1s \u00e1ridos y hab\u00eda menos alimentos.<\/p>\n<p>\u00abEstos datos concluyen que los demonios de Tasmania han vivido con una diversidad gen\u00e9tica por un largo per\u00edodo de tiempo y que sus poblaciones han atravesado fluctuaciones importantes desde hace 20.000 a 30.000 a\u00f1os\u00bb, dijo Austin a la cadena ABC.<\/p>\n<p>El bi\u00f3logo se\u00f1al\u00f3 que la p\u00e9rdida de diversidad gen\u00e9tica de estos animales ocurri\u00f3 antes de la colonizaci\u00f3n brit\u00e1nica en el siglo XIX.<\/p>\n<p>Antiguamente el demonio de Tasmania pobl\u00f3 el territorio continental de Australia, pero ahora su h\u00e1bitat se reduce a la isla de Tasmania, en donde este animal padece de tumores faciales y una baja diversidad gen\u00e9tica.<\/p>\n<p>Este carn\u00edvoro est\u00e1 incluido en el listado nacional de Australia de animales en peligro de extinci\u00f3n y tambi\u00e9n en la lista roja de Naciones Unidas por considerar que en un plazo de 25 a 35 a\u00f1os puede desaparecer si antes no se encuentra una cura al c\u00e1ncer que est\u00e1 acabando con la especie.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Antiguamente este animal pobl\u00f3 el territorio continental de Australia, pero ahora su h\u00e1bitat se reduce a la isla de Tasmania, en donde padece de tumores faciales y una baja diversidad gen\u00e9tica. HERRAMIENTAS Los cambios clim\u00e1ticos han diezmado desde hace 30.000 a\u00f1os la poblaci\u00f3n de demonios de Tasmania, un animal australiano que actualmente est\u00e1 al borde&hellip;<\/p>\n","protected":false},"author":248,"featured_media":16114,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[116],"tags":[111],"class_list":["post-16111","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ser-ecologico","tag-slider","category-116","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cambios clim\u00e1ticos habr\u00edan diezmado la poblaci\u00f3n de demonios de Tasmania<\/title>\n<meta name=\"description\" content=\"Antiguamente este animal pobl\u00f3 el territorio continental de Australia, pero ahora su h\u00e1bitat se reduce a la isla de Tasmania, en 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