{"id":32846,"date":"2017-07-10T00:00:00","date_gmt":"2017-07-10T04:00:00","guid":{"rendered":"https:\/\/explora.cl\/rmnorte\/blog\/2017\/07\/10\/sembrar-el-mar\/"},"modified":"2019-05-20T17:14:20","modified_gmt":"2019-05-20T17:14:20","slug":"sembrar-el-mar","status":"publish","type":"post","link":"https:\/\/explora.cl\/rmnorte\/sembrar-el-mar\/","title":{"rendered":"\u00bfSembrar el mar?"},"content":{"rendered":"<p style=\"text-align: justify\">Desde hace algunas semanas, bi\u00f3logos marinos de distintas universidades y centros de investigaci\u00f3n del pa\u00eds, han manifestado su preocupaci\u00f3n por un proyecto que pretende fertilizar con hierro las costas de Coquimbo con la finalidad de aumentar la producci\u00f3n de peces al estimular el crecimiento de fitoplancton y, a su vez, aumentar el secuestro de CO2 de los oc\u00e9anos.<\/p>\n<p style=\"text-align: justify\"><img fetchpriority=\"high\" decoding=\"async\" class=\"pull-right size-full wp-image-26529\" src=\"http:\/\/ec2-54-245-22-188.us-west-2.compute.amazonaws.com\/wp-content\/uploads\/2017\/07\/Sembrar-el-mar-02.jpg\" alt=\"\" width=\"213\" height=\"271\" \/>La idea de sembrar el mar caus\u00f3 no s\u00f3lo gran asombro en el acad\u00e9mico UC, Dr. Peter von Dassow, sino contrariedad por los perjudiciales efectos que podr\u00eda traer este experimento que quiere llevar a cabo la empresa Oceaneos Marine Research Foundation y que se public\u00f3 en el El Mercurio en abril pasado. El de mayor envergadura es la proliferaci\u00f3n de Pseudo-nitzschia, microalga que produce la neurotoxina conocida como \u00e1cido domoico, que causa envenenamiento amn\u00e9sico a los mariscos y provoca la marea roja. El aumento de esta microalga, que podr\u00eda causar la muerte en humanos y animales, ha provocado severas crisis ambientales, como la que ocurri\u00f3 en Chilo\u00e9 en el a\u00f1o 2016, as\u00ed como el florecimiento de fitoplancton entre California y Alaska. Tampoco est\u00e1 probado cient\u00edficamente que la fertilizaci\u00f3n artificial sea efectiva en la secuestraci\u00f3n de CO2.\u00a0<\/p>\n<p style=\"text-align: justify\">El bi\u00f3logo molecular von Dassow explic\u00f3 en su charla \u2018Fertizaci\u00f3n de los oce\u00e1nos\u2019 \u201cque algunos de los riesgos asociados podr\u00edan ser los cambios no deseados en ecosistemas pel\u00e1gicos, creaci\u00f3n o expansi\u00f3n de la zona de m\u00ednimo ox\u00edgeno, acidificaci\u00f3n de aguas superficiales, da\u00f1os a ecosistemas vecinos por agotamiento de otros nutrientes, producci\u00f3n de gases de efecto invernadero m\u00e1s potentes que el CO2, como el \u00f3xido nitr\u00f3xido y metano\u201d.<\/p>\n<p style=\"text-align: justify\"><strong>Antecedentes<\/strong><\/p>\n<p style=\"text-align: justify\">Un proyecto de similar envergadura se realiz\u00f3 en el a\u00f1o 2012 en Canad\u00e1. La empresa Haida Salmon Restoration Corporation, fundada por Russ George, verti\u00f3 sin los respectivos permisos gubernamentales, 100 toneladas de sulfato de hierro en las cercan\u00edas de la isla Haida Gwaii. El objetivo: restaurar la producci\u00f3n de salmones. No obstante, estudios posteriores realizados por investigadores de la Universidad de Maine, revelaron que el crecimiento explosivo de algas se extendi\u00f3 cerca de 35 mil kil\u00f3metros y fue el m\u00e1s grande registrado en los \u00faltimos 10 a\u00f1os.<\/p>\n<p style=\"text-align: justify\">La red tr\u00f3fica de los oc\u00e9anos es compleja por lo que el principio de precauci\u00f3n deber\u00eda primar antes de cualquier experimento a gran escala, concluy\u00f3 von Dassow.<\/p>\n<p style=\"text-align: justify\"><img decoding=\"async\" class=\"pull-center size-full wp-image-26530\" src=\"http:\/\/ec2-54-245-22-188.us-west-2.compute.amazonaws.com\/wp-content\/uploads\/2017\/07\/Sembrar-el-mar-03.jpg\" alt=\"\" width=\"1200\" height=\"453\" \/><\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Desde hace algunas semanas, bi\u00f3logos marinos de distintas universidades y centros de investigaci\u00f3n del pa\u00eds, han manifestado su preocupaci\u00f3n por un proyecto que pretende fertilizar con hierro las costas de Coquimbo con la finalidad de aumentar la producci\u00f3n de peces al estimular el crecimiento de fitoplancton y, a su vez, aumentar el secuestro de CO2 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[4],"tags":[],"class_list":["post-32846","post","type-post","status-publish","format-standard","hentry","category-noticias"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00bfSembrar el mar? 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