{"id":8420,"date":"2013-10-23T05:05:50","date_gmt":"2013-10-23T09:35:50","guid":{"rendered":"https:\/\/seryhumano.com\/web\/?p=8420"},"modified":"2013-10-23T18:39:57","modified_gmt":"2013-10-23T23:09:57","slug":"pinguinos-adelaida-su-dieta-bajo-el-microscopio","status":"publish","type":"post","link":"https:\/\/seryhumano.com\/web\/?p=8420","title":{"rendered":"Ping\u00fcinos Adelaida: Su dieta bajo el microscopio"},"content":{"rendered":"<p>Una misi\u00f3n cient\u00edfica de Australia parte hacia la Ant\u00e1rtida para estudiar los posibles cambios en la dieta de los ping\u00fcinos Adelaida en los \u00faltimos milenios y analizar los efectos del di\u00f3xido de carbono en los microbios marinos.\u00a0<a href=\"https:\/\/seryhumano.com\/web\/?attachment_id=8421\" rel=\"attachment wp-att-8421\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-8421\" alt=\"970814\" src=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2013\/10\/970814-300x224.jpg\" width=\"300\" height=\"224\" srcset=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2013\/10\/970814-300x224.jpg 300w, https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2013\/10\/970814.jpg 370w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>El estudio ser\u00e1 realizado por investigadores de la\u00a0<b>Divisi\u00f3n Australiana Ant\u00e1rtica<\/b>, que viaja al continente blanco a bordo del buque Aurora Australis, seg\u00fan un comunicado del Ministerio de Medio Ambiente del pa\u00eds oce\u00e1nico.<\/p>\n<p>La experta en aves marinas, Barbara Wienecke, indic\u00f3 que el estudio tendr\u00e1 lugar en lugares abandonados por los ping\u00fcinos Adelaida, donde se excavar\u00e1n las capas formadas por los desechos de estas aves en busca de restos de sus presas como espinas de peces y picos de calamar.<\/p>\n<p>\u00abEs la primera vez que se realiza este tipo de trabajo en la regi\u00f3n Davis y esperamos entender si la dieta de los Adelie ha cambiado en el pasado, por ejemplo, de una dieta de kril a otra de pescado\u00bb, dijo Wienecke.<\/p>\n<p>Los regordetes ping\u00fcinos Adelaida o Adelie (Pygoscelis adeliae), que miden unos 76 cent\u00edmetros y pesan unos cuatro kilos, tienen unos anillos de color blanco alrededor de los ojos, la cola m\u00e1s larga que la de otras especies y un pico de color rojo y negro.<\/p>\n<p>Por otro lado, otro grupo de cient\u00edficos liderados por el microbi\u00f3logo Andrew Davidson seguir\u00e1 analizando los efectos de la acidificaci\u00f3n causada por el aumento de CO2 en la atm\u00f3sfera que se disuelve en los mares ant\u00e1rticos en microbios como el fitoplancton y otras bacterias.<\/p>\n<p>Para ello cultivar\u00e1n varias comunidades de microbios marinos en tanques de agua para observar los efectos de las diferentes concentraciones del CO2 en estos organismos vivos, seg\u00fan el mismo comunicado.<\/p>\n<p>\u00abLos microbios son la base de la\u00a0red\u00a0alimenticia marina, directa o indirectamente apoyan toda clase de vida en el Oc\u00e9ano Glacial Ant\u00e1rtico\u00bb, coment\u00f3 Davidson.<\/p>\n<p><a href=\"https:\/\/seryhumano.com\/web\/?attachment_id=8423\" rel=\"attachment wp-att-8423\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-8423\" alt=\"9036ping_adelaida\" src=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2013\/10\/9036ping_adelaida-300x214.jpg\" width=\"300\" height=\"214\" srcset=\"https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2013\/10\/9036ping_adelaida-300x214.jpg 300w, https:\/\/seryhumano.com\/web\/wp-content\/uploads\/2013\/10\/9036ping_adelaida.jpg 350w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>El cient\u00edfico tambi\u00e9n explic\u00f3 que estos microbios son clave en el\u00a0proceso\u00a0mediante el cual los organismos marinos transfieren CO2 de la atm\u00f3sfera en el fondo de los oc\u00e9anos, donde se almacenan por milenios.<\/p>\n<p>Davidson alert\u00f3 que la concentraci\u00f3n de CO2 en el oc\u00e9ano a final de siglo puede cambiar la composici\u00f3n de estas comunidades de microbios y alterar la cadena alimenticia.<\/p>\n<p>Seg\u00fan el experto, esto tendr\u00eda un impacto negativo en las ballenas y otros mam\u00edferos y en la\u00a0eficiencia\u00a0con la que se almacena el di\u00f3xido de carbono en las profundidades de los oc\u00e9anos.<\/p>\n<p>seryhumano.com<\/p>\n<p>Fuente: informador.com.mx<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Una misi\u00f3n cient\u00edfica de Australia parte hacia la Ant\u00e1rtida para estudiar los posibles cambios en la dieta de los ping\u00fcinos Adelaida en los \u00faltimos milenios y analizar los efectos del di\u00f3xido de carbono en los microbios marinos.\u00a0 El estudio ser\u00e1 realizado por investigadores de la\u00a0Divisi\u00f3n Australiana Ant\u00e1rtica, que viaja al continente blanco a bordo del&hellip;<\/p>\n","protected":false},"author":2,"featured_media":8444,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[116],"tags":[],"class_list":["post-8420","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ser-ecologico","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>Ping\u00fcinos Adelaida: Su dieta bajo el microscopio &#187; SeryHumano.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/seryhumano.com\/web\/?p=8420\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ping\u00fcinos Adelaida: Su dieta bajo el 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