{"id":6730,"date":"2026-11-03T10:42:37","date_gmt":"2026-11-03T15:42:37","guid":{"rendered":"https:\/\/canasanta.ca\/?p=6730"},"modified":"2026-11-03T20:24:20","modified_gmt":"2026-11-04T01:24:20","slug":"ponen-rastreadores-a-mariposas-para-seguir-su-viaje","status":"publish","type":"post","link":"https:\/\/canasanta.ca\/en\/ciencia\/animales\/ponen-rastreadores-a-mariposas-para-seguir-su-viaje\/","title":{"rendered":"PONEN RASTREADORES A MARIPOSAS PARA SEGUIR SU VIAJE"},"content":{"rendered":"<p style=\"margin:0 0 24px;line-height:1.75;\">Un dispositivo que pesa aproximadamente lo mismo que una gota de agua est\u00e1 permitiendo seguir uno de los viajes m\u00e1s extraordinarios de la naturaleza. Cient\u00edficos colocaron diminutos rastreadores solares en cerca de <strong>1.750 mariposas monarca<\/strong> para descubrir con mayor precisi\u00f3n c\u00f3mo atraviesan Norteam\u00e9rica durante su migraci\u00f3n hacia M\u00e9xico.<\/p>\n<h2 style=\"margin:40px 0 24px;line-height:1.3;\">UN VIAJE QUE TODAV\u00cdA GUARDA SECRETOS<\/h2>\n<p style=\"margin:0 0 24px;line-height:1.75;\">La migraci\u00f3n de la <strong>mariposa monarca<\/strong> es conocida desde hace d\u00e9cadas, pero muchos detalles de sus rutas siguen siendo dif\u00edciles de reconstruir. Los insectos recorren enormes distancias y atraviesan territorios donde los investigadores no siempre pueden observarlos directamente. Ahora, peque\u00f1os transmisores de radio alimentados por energ\u00eda solar est\u00e1n ofreciendo una nueva forma de seguir sus movimientos.<\/p>\n<p style=\"margin:0 0 24px;line-height:1.75;\">El proyecto ha equipado aproximadamente a <strong>1.750 monarcas<\/strong> con etiquetas diminutas capaces de emitir se\u00f1ales detectables por una red de receptores. El objetivo no es conocer la posici\u00f3n exacta de cada ejemplar durante cada segundo del viaje, sino registrar cu\u00e1ndo una mariposa pasa por determinados puntos y reconstruir as\u00ed corredores migratorios, zonas de descanso y rutas poco conocidas.<\/p>\n<p style=\"margin:0 0 24px;line-height:1.75;\">Los primeros datos ya han producido observaciones llamativas. Algunas monarcas orientales fueron detectadas llegando a M\u00e9xico desde lugares tan alejados como <strong>Utah y Florida<\/strong>, conexiones migratorias que los cient\u00edficos sospechaban pero que hab\u00edan sido dif\u00edciles de documentar directamente. Esta temporada, alrededor de <strong>175 ejemplares etiquetados<\/strong> han sido detectados en M\u00e9xico.<\/p>\n<h2 style=\"margin:40px 0 24px;line-height:1.3;\">TECNOLOG\u00cdA DEL TAMA\u00d1O DE UNA GOTA<\/h2>\n<p style=\"margin:0 0 24px;line-height:1.75;\">El avance depende de la miniaturizaci\u00f3n. Un rastreador convencional ser\u00eda demasiado pesado para un insecto de pocos gramos. Estas nuevas etiquetas solares, en cambio, tienen una masa comparable a una peque\u00f1a gota de agua y est\u00e1n dise\u00f1adas para acompa\u00f1ar al animal sin impedirle volar.<\/p>\n<p style=\"margin:0 0 24px;line-height:1.75;\">Los investigadores todav\u00eda deben estudiar cuidadosamente si llevar el dispositivo altera de alguna manera el comportamiento, la velocidad o la supervivencia de las mariposas. Esa precauci\u00f3n es esencial: un sistema de seguimiento solo resulta cient\u00edficamente \u00fatil si el instrumento no cambia de forma significativa aquello que pretende medir.<\/p>\n<p style=\"margin:0 0 24px;line-height:1.75;\">La red tampoco funciona como un sistema de navegaci\u00f3n satelital. Cuando un receptor detecta una etiqueta, confirma que el transmisor pas\u00f3 por esa zona, pero no ofrece una localizaci\u00f3n continua ni demuestra necesariamente que el insecto permanezca vivo despu\u00e9s de la \u00faltima detecci\u00f3n. Aun con esas limitaciones, la acumulaci\u00f3n de miles de registros puede revelar patrones que antes permanec\u00edan ocultos.<\/p>\n<h2 style=\"margin:40px 0 24px;line-height:1.3;\">UNA ESPECIE BAJO PRESI\u00d3N<\/h2>\n<p style=\"margin:0 0 24px;line-height:1.75;\">La investigaci\u00f3n llega en un momento delicado para las monarcas. Las poblaciones han sufrido fuertes descensos desde mediados de la d\u00e9cada de 1990. Seg\u00fan los datos citados por los investigadores, la poblaci\u00f3n oriental ha disminuido en m\u00e1s de un <strong>80 %<\/strong>, mientras que la occidental ha registrado una ca\u00edda cercana al <strong>95 %<\/strong>.<\/p>\n<p style=\"margin:0 0 24px;line-height:1.75;\">Entre las amenazas figuran la p\u00e9rdida de h\u00e1bitat, los pesticidas, las sequ\u00edas, el desarrollo urbano, el tr\u00e1fico y los cambios en las condiciones clim\u00e1ticas. La desaparici\u00f3n de plantas esenciales tambi\u00e9n pesa sobre la especie. El <strong>algodoncillo<\/strong>, por ejemplo, es indispensable durante la reproducci\u00f3n porque sus hojas sirven de alimento a las orugas.<\/p>\n<p style=\"margin:0 0 24px;line-height:1.75;\">Conocer exactamente d\u00f3nde descansan y se alimentan las mariposas puede ayudar a concentrar los esfuerzos de conservaci\u00f3n en los lugares que realmente sostienen la migraci\u00f3n. En algunos corredores se est\u00e1n plantando algodoncillos y otras especies para polinizadores, mientras que determinadas carreteras prueban medidas destinadas a reducir las colisiones.<\/p>\n<h2 style=\"margin:40px 0 24px;line-height:1.3;\">EL P\u00daBLICO TAMBI\u00c9N PUEDE SEGUIRLAS<\/h2>\n<p style=\"margin:0 0 24px;line-height:1.75;\">El experimento incorpora adem\u00e1s una dimensi\u00f3n poco habitual: las detecciones pueden consultarse mediante la aplicaci\u00f3n <em>Project Monarch Science<\/em>. Esto permite que ciudadanos, estudiantes y aficionados observen parte del recorrido y convierte una investigaci\u00f3n especializada en una experiencia de ciencia participativa.<\/p>\n<p style=\"margin:0 0 24px;line-height:1.75;\">Los datos podr\u00edan terminar mostrando qu\u00e9 rutas funcionan como aut\u00e9nticas autopistas biol\u00f3gicas y qu\u00e9 lugares constituyen puntos cr\u00edticos de descanso antes de continuar hacia los bosques mexicanos donde pasan el invierno. Tambi\u00e9n permitir\u00edan detectar cambios de trayectoria asociados a sequ\u00edas, p\u00e9rdida de vegetaci\u00f3n u otras transformaciones ambientales.<\/p>\n<p style=\"margin:0 0 24px;line-height:1.75;\">Para un animal tan peque\u00f1o, atravesar un continente sigue siendo una proeza. La diferencia es que ahora los cient\u00edficos pueden acompa\u00f1ar una parte de ese viaje mediante transmisores casi invisibles. Cada se\u00f1al captada a\u00f1ade una pieza a un mapa que durante generaciones estuvo escrito \u00fanicamente en el instinto de las propias monarcas.<\/p>","protected":false},"excerpt":{"rendered":"<p>Un dispositivo que pesa aproximadamente lo mismo que una gota de agua est\u00e1 permitiendo seguir uno de los viajes m\u00e1s extraordinarios de la naturaleza. Cient\u00edficos colocaron diminutos rastreadores solares en cerca de 1.750 mariposas monarca para descubrir con mayor precisi\u00f3n c\u00f3mo atraviesan Norteam\u00e9rica durante su migraci\u00f3n hacia M\u00e9xico. UN VIAJE QUE TODAV\u00cdA GUARDA SECRETOS La [&hellip;]<\/p>\n","protected":false},"author":284226809,"featured_media":6729,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[33205457,33205542,33205704],"tags":[33206540,33208488,33208485,33208486,33208487],"class_list":["post-6730","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-al-dia","category-animales","category-medio-ambiente","tag-biodiversidad","tag-conservacion","tag-mariposa-monarca","tag-migracion-animal","tag-rastreo-cientifico"],"acf":{"introduccion":"","fuentes_y_referencias":"<p>Associated Press \u2014 Monarch butterflies get tiny trackers to help scientists follow their mysterious migration, 3 de noviembre de 2026: <a href=\"https:\/\/apnews.com\/article\/437fd1b19ade1acc4dbb78fbcd12a699\" target=\"_blank\" rel=\"noopener\">https:\/\/apnews.com\/article\/437fd1b19ade1acc4dbb78fbcd12a699<\/a><\/p>","autor":[748]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.1 (Yoast SEO v28.8) - 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