{"id":56768,"date":"2018-11-20T19:00:35","date_gmt":"2018-11-20T22:00:35","guid":{"rendered":"http:\/\/patagoniambiental.com.ar\/info\/?p=56768"},"modified":"2018-11-20T09:10:33","modified_gmt":"2018-11-20T12:10:33","slug":"contaminacion-por-petroleo-es-la-mayor-amenaza-para-las-aves-playeras-que-se-refugian-en-humedal-de-tierra-del-fuego","status":"publish","type":"post","link":"https:\/\/patagoniambiental.com.ar\/info\/contaminacion-por-petroleo-es-la-mayor-amenaza-para-las-aves-playeras-que-se-refugian-en-humedal-de-tierra-del-fuego\/","title":{"rendered":"Contaminaci\u00f3n por petr\u00f3leo es la mayor amenaza para las aves playeras que se refugian en humedal de Tierra del Fuego"},"content":{"rendered":"<header class=\"entry-header\">\n<p class=\"entry-title\">R\u00cdO GRANDE.- Investigadores de Bah\u00eda Lomas, una de las \u00e1reas de conservaci\u00f3n m\u00e1s importantes del hemisferio sur, destacan la necesidad de prevenir riesgos para proteger a los m\u00e1s de 60 mil individuos que anualmente migran o residen en el lugar ubicado en el sector chileno de la isla de Tierra del Fuego.<\/p>\n<\/header>\n<p><!--more--><\/p>\n<div class=\"entry-content\">\n<p>Un enorme restaurante de 59 mil hect\u00e1reas de superficie es la met\u00e1fora con la que sus investigadores describen Bah\u00eda Lomas, un humedal marino costero ubicado en la boca oriental del Estrecho de Magallanes, al norte de la Tierra del Fuego chilena.<\/p>\n<p>Gran parte de los comensales de este particular restaurante son aves playeras, entre las que destaca el playero \u00e1rtico (Calidris canutus rufa ), especie que cada a\u00f1o viaja 16 mil km entre el Polo Norte y Bah\u00eda Lomas para pasar el invierno boreal y alimentarse.<\/p>\n<p>Ah\u00ed comparte mesa principalmente con zarapitos de pico recto, playeros de lomo blanco, chorlos de Magallanes, pilpilenes australes y chorlos de doble collar.<\/p>\n<p>Bah\u00eda Lomas tiene la variaci\u00f3n mareal m\u00e1s amplia de la costa chilena. Durante el d\u00eda, la marea baja m\u00e1s de 7 kil\u00f3metros, dejando al descubierto una vasta planicie donde abundan numerosas especies de gusanos marinos, peque\u00f1as almejas, choritos y otras criaturas que conforman el men\u00fa de las aves. Pero sobre este privilegiado ecosistema se ciernen varias amenazas.<\/p>\n<p>\u201cLa principal es la contaminaci\u00f3n por hidrocarburos provenientes de derrames en las plataformas de extracci\u00f3n activas e inactivas, oleoductos ubicados en la bah\u00eda y pozos o ductos cercanos. A eso se suman el tr\u00e1fico naviero por el Estrecho y posibles derrames en los esteros y el r\u00edo que desemboca en la bah\u00eda por accidentes de camiones que transportan petr\u00f3leo. Es una bomba de tiempo en t\u00e9rminos de hidrocarburos\u201d, advierte Carmen Espoz, decana de la Facultad de Ciencias de la Universidad Santo Tom\u00e1s y directora del Centro de Investigaci\u00f3n Bah\u00eda Lomas, perteneciente a esa casa de estudios.<\/p>\n<p>Potencial extinci\u00f3n<\/p>\n<p>Por sus caracter\u00edsticas, Bah\u00eda Lomas en uno de los humedales m\u00e1s importantes para aves playeras en el hemisferio sur. Esto le vali\u00f3 ser designado sitio Ramsar en 2004 y sitio de Importancia Hemisf\u00e9rica por la Red Hemisf\u00e9rica de Reservas para Aves Playeras, RHRAP, en 2009. Y este a\u00f1o fue incluido por el Ministerio del Medio Ambiente (MMA) dentro de los 40 sitios que entrar\u00e1n al Plan Nacional de Protecci\u00f3n de Humedales, para lo que se est\u00e1 solicitando darle categor\u00eda de Santuario de la Naturaleza.<\/p>\n<p>El temor de un derrame en la bah\u00eda o sus alrededores es extendido entre los especialistas chilenos y extranjeros que la semana pasada participaron en el taller \u201cEcolog\u00eda, Conservaci\u00f3n y Manejo de H\u00e1bitat de Aves Playeras\u201d, realizado en Punta Arenas por el Centro Bah\u00eda Lomas, la ONG Manomet, de ciencias de la conservaci\u00f3n (EE.UU.), la RHRAP y el Centro de Rehabilitaci\u00f3n de Aves Le\u00f1adura.<\/p>\n<p>\u201cEl petr\u00f3leo puede mantenerse por largo tiempo -como se ha visto tras derrames en Alaska y el Golfo de M\u00e9xico- y si impacta la zona intermareal puede contaminar a toda la comunidad de invertebrados con que se alimentan las aves migratorias y residentes, las que podr\u00edan ingerirlos o morir de hambre\u201d, dice Brad Winn, director de Manejo de H\u00e1bitat de Aves Playeras de Manomet.<\/p>\n<p>Diego Luna, especialista en Conservaci\u00f3n de la RHRAP agrega que \u201ccualquier accidente o emergencia ambiental que involucre derrame de hidrocarburos en el \u00e1rea durante la temporada de invernada (verano austral) del playero \u00e1rtico, podr\u00eda empujar a esta especie a la extinci\u00f3n\u201d. 55% de la poblaci\u00f3n de esta especie en peligro -unos 13 mil individuos- migran cada a\u00f1o hasta ah\u00ed para alimentarse y descansar entre octubre y febrero.<\/p>\n<p>En ese sentido, indica Espoz, \u201cla Empresa Nacional de Petr\u00f3leo (ENAP) es un actor clave en el proceso de conservaci\u00f3n de Bah\u00eda Lomas, dado que posee diversas operaciones en el \u00e1rea, tanto mar\u00edtimas como terrestres\u201d.<\/p>\n<p>Consultada al respecto, Enap declar\u00f3 a trav\u00e9s de un comunicado que han contribuido y realizado diversas actividades relacionadas con la conservaci\u00f3n del humedal. Entre ellas, \u201cuna vez que el humedal se declar\u00f3 sitio Ramsar en 2004, se decidi\u00f3 dejar fuera de servicio varios oleoductos cercanos a la desembocadura del r\u00edo ubicado en sus cercan\u00edas\u201d y se cambi\u00f3 el sistema de traslado de productos por transporte en camiones. Agregan que mensualmente realizan inspecciones visuales por v\u00eda a\u00e9rea y tienen un plan a largo plazo \u201cpara el adecuado manejo y cierre futuro de pozos en las plataformas no productivas\u201d, junto con realizar \u201csimulacros de posibles contingencias de hidrocarburos en conjunto con la Armada\u201d, el \u00faltimo de los cuales se efectu\u00f3 en marzo.<\/p>\n<p>Para Espoz, sin embargo, lo esencial son \u201cprogramas de seguridad efectivos y medidas preventivas que incluyan la inspecci\u00f3n y mantenci\u00f3n regular de instalaciones que datan de los a\u00f1os 70\u201d.<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_126365\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-126365\" src=\"https:\/\/surenio.com.ar\/wp-content\/uploads\/2018\/11\/medio-1.jpg\" sizes=\"(max-width: 1024px) 100vw, 1024px\" srcset=\"https:\/\/surenio.com.ar\/wp-content\/uploads\/2018\/11\/medio-1.jpg 1024w, https:\/\/surenio.com.ar\/wp-content\/uploads\/2018\/11\/medio-1-479x270.jpg 479w, https:\/\/surenio.com.ar\/wp-content\/uploads\/2018\/11\/medio-1-400x225.jpg 400w, https:\/\/surenio.com.ar\/wp-content\/uploads\/2018\/11\/medio-1-900x507.jpg 900w, https:\/\/surenio.com.ar\/wp-content\/uploads\/2018\/11\/medio-1-532x300.jpg 532w\" alt=\"\" width=\"1024\" height=\"577\" \/><figcaption class=\"wp-caption-text\">Destacan la necesidad de prevenir riesgos para proteger a los m\u00e1s de 60 mil individuos que anualmente migran.<\/p>\n<p>Fuente:\u00a0https:\/\/surenio.com.ar\/2018\/11\/contaminacion-por-petroleo-es-la-mayor-amenaza-para-las-aves-playeras-que-se-refugian-en-humedal-de-tierra-del-fuego<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>R\u00cdO GRANDE.- Investigadores de Bah\u00eda Lomas, una de las \u00e1reas de conservaci\u00f3n m\u00e1s importantes del hemisferio sur, destacan la necesidad [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":56769,"comment_status":"open","ping_status":"open","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-5)","background-image":"","background-repeat":"repeat","background-position":"center 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