{"id":15280,"date":"2021-06-03T13:02:26","date_gmt":"2021-06-03T13:02:26","guid":{"rendered":"https:\/\/whsrn.org\/calidris-canutus-en-las-playas-arenosas-de-uruguay\/"},"modified":"2021-06-04T00:52:40","modified_gmt":"2021-06-04T00:52:40","slug":"calidris-canutus-en-las-playas-arenosas-de-uruguay","status":"publish","type":"post","link":"https:\/\/whsrn.org\/es\/calidris-canutus-en-las-playas-arenosas-de-uruguay\/","title":{"rendered":"Playero Rojizo (Calidris canutus) en las Playas Arenosas de Uruguay."},"content":{"rendered":"[vc_row css=&#8221;.vc_custom_1537359740219{margin-top: 0px !important;padding-top: 0px !important;}&#8221;][vc_column css=&#8221;.vc_custom_1537371217000{margin-top: 0px !important;padding-top: 0px !important;}&#8221;][mk_padding_divider size=&#8221;20&#8243;][vc_column_text margin_bottom=&#8221;20&#8243; css=&#8221;.vc_custom_1622767804669{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;}&#8221;]Las playas arenosas ba\u00f1adas por el oc\u00e9ano Atl\u00e1ntico en la costa norte de Uruguay, pr\u00f3ximo a la frontera con Brasil, forman parte de un ecosistema \u00fanico en el mundo. Este ecosistema de playas arenosas se extiende por m\u00e1s de 500 km, desde La Coronilla, al sur de Uruguay, hasta el estado de Santa Catarina, en el sur de Brasil. Estas playas se caracterizan por tener una zona intermareal muy angosta, de solo unos pocos metros. Esta caracter\u00edstica lo diferencia de muchos sitios en la ruta migratoria del Playero Rojizo (<em>Calidris canutus<\/em>), en los cuales el ancho del \u00e1rea intermareal se puede extender por varios kil\u00f3metros. Para comprender c\u00f3mo estas aves playeras est\u00e1n usando estas playas de zona intermareal angosta, socios de Manomet, Fundaci\u00f3n Lagunas Costeras y el Centro Universitario Regional del Este de Uruguay, estamos estudiando \u00e9sta y otras preguntas a trav\u00e9s de estudios de campo en Uruguay y sur de Brasil.<\/p>\n<p>Hace 13 a\u00f1os la barra del Chuy, en el norte de Uruguay, fue conocida por el hallazgo de cientos de individuos de Playeros Rojizos muertos en estas playas (<a href=\"https:\/\/doi.org\/10.18194\/ws.00024\">Aldabe <em>et al<\/em>. 2015<\/a>). M\u00e1s adelante, gracias al trabajo de monitoreo en las playas de Uruguay y sur de Brasil (unos 40 km) durante marzo y abril de 2009, 2010 y 2011, se encontr\u00f3 que estas playas son usadas por m\u00e1s de 1000 individuos de Playeros Rojizos migrando hacia el norte. Se calcula que cada individuo permanece de dos a cinco d\u00edas durante su migraci\u00f3n desde el sur de Patagonia hacia sus \u00e1reas de invernada en la tundra \u00e1rtica. \u00a0La Barra del Chuy volvi\u00f3 a ser noticia en abril de 2010 cuando se registr\u00f3 el individuo identificado como YOY que se hizo famoso porque vol\u00f3 8.000 kil\u00f3metros en solo seis d\u00edas hasta la<a href=\"https:\/\/whsrn.org\/es\/delaware-bay\/\" target=\"_blank\" rel=\"noopener\"> Bah\u00eda de Delaware,<\/a> en la costa este de Estados Unidos, seg\u00fan reportaron investigadores en la revista Wader Study (<a href=\"https:\/\/www.researchgate.net\/profile\/Amanda-Dey\/publication\/313145224_First_results_using_light_level_geolocators_to_track_Red_Knots_in_the_Western_Hemisphere_show_rapid_and_long_intercontinental_flights_and_new_details_of_migration_paths\/links\/5c34f7bb92851c22a364f96e\/First-results-using-light-level-geolocators-to-track-Red-Knots-in-the-Western-Hemisphere-show-rapid-and-long-intercontinental-flights-and-new-details-of-migration-paths.pdf\">Niles <em>et al.<\/em> 2010<\/a>).[\/vc_column_text][\/vc_column][\/vc_row][mk_page_section min_height=&#8221;1&#8243; padding_bottom=&#8221;0&#8243; sidebar=&#8221;sidebar-1&#8243;][vc_column width=&#8221;1\/6&#8243;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][mk_image src=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2021\/06\/rekn_uruguay_map.jpg&#8221; image_size=&#8221;medium&#8221; lightbox=&#8221;true&#8221; align=&#8221;center&#8221;][mk_fancy_title tag_name=&#8221;span&#8221; color=&#8221;#53565a&#8221; size=&#8221;12&#8243; font_weight=&#8221;bold&#8221; margin_bottom=&#8221;0&#8243; font_family=&#8221;none&#8221; align=&#8221;center&#8221;]\n<div id=\"comp-jjabhjs7\" class=\"txtNew\" data-packed=\"true\">\n<div id=\"comp-jhgnp0bn\" class=\"txtNew\" data-packed=\"false\" data-min-height=\"17\">\n<div id=\"comp-jlcre5hu\" class=\"txtNew\" data-packed=\"false\" data-min-height=\"17\">\n<p class=\"font_9\"><em>Map tomado de: Aldabe, J., Rocca, P. I., Gonz\u00e1lez, P. M., Caballero-Sadi, D., &amp; Baker, A. J. (2015). Migration of endangered Red Knots Calidris canutus rufa in Uruguay: important sites, phenology, migratory connectivity and a mass mortality event. Wader Study, 122(3), 221\u2013235. https:\/\/doi.org\/10.18194\/ws.00024\u00a0<\/em><\/p>\n<\/div>\n<\/div>\n<\/div>\n[\/mk_fancy_title][\/vc_column][vc_column width=&#8221;1\/6&#8243;][\/vc_column][\/mk_page_section][vc_row][vc_column][mk_padding_divider size=&#8221;20&#8243;][vc_column_text margin_bottom=&#8221;20&#8243; css=&#8221;.vc_custom_1622767873428{margin-bottom: 0px !important;}&#8221;]En Uruguay las playas de Barra del Chuy son \u00fanicas por su intermareal y <em>swash<\/em> m\u00e1s ancho en relaci\u00f3n al resto de las playas. La zona de<em> swash<\/em> (que forma parte del intermareal) es la zona de la playa entre el rompiente de la ola y el l\u00edmite de ascenso de la misma. Esta zona es muy utilizada por los Playeros Rojizos para alimentarse. Quiz\u00e1s por este motivo es el sitio m\u00e1s importante del pa\u00eds para la especie.<\/p>\n<p>Para entender si los Playeros Rojizos prefieren una zona intermareal m\u00e1s amplia y para evaluar amenazas y monitorear la especie, en 2021 volvimos al sitio, junto con Sasha Hackembruck, una joven que reside en la localidad de Hermenegildo (Brasil), a pocos metros de la playa. Sasha estudia Gesti\u00f3n Ambiental en la Universidad de la Rep\u00fablica de Uruguay y ha participado de varios proyectos de investigaci\u00f3n y conservaci\u00f3n de aves playeras en la zona. En esta visita, encontramos varios grupos de aves aliment\u00e1ndose. En total registramos unos 150 individuos de Playero Rojizo. Un n\u00famero interesante para una poblaci\u00f3n que pasa entre marzo y abril, y que solo utiliza el sitio unos pocos d\u00edas. Pero quiz\u00e1s el resultado m\u00e1s interesante fue que pudimos comprobar que los Playeros Rojizos no usaron toda la playa por igual. Las aves prefirieron los lugares con ancho de <em>swash<\/em> m\u00e1s anchos (a pesar que son muy peque\u00f1os en Uruguay). El <em>swash<\/em> angosto ocurre cuando la playa tiene bastante pendiente y las olas rompen m\u00e1s cerca de la orilla de la playa, dificultando la b\u00fasqueda de alimento para las aves.[\/vc_column_text][\/vc_column][\/vc_row][mk_page_section min_height=&#8221;1&#8243; padding_bottom=&#8221;0&#8243; sidebar=&#8221;sidebar-1&#8243;][vc_column width=&#8221;1\/6&#8243;][\/vc_column][vc_column width=&#8221;2\/3&#8243;][mk_image src=&#8221;https:\/\/whsrn.org\/wp-content\/uploads\/2021\/06\/rekn_uruguay_joaquinaldabe.jpg&#8221; image_size=&#8221;full&#8221; align=&#8221;center&#8221;][mk_fancy_title tag_name=&#8221;span&#8221; color=&#8221;#53565a&#8221; size=&#8221;12&#8243; font_weight=&#8221;bold&#8221; margin_bottom=&#8221;0&#8243; font_family=&#8221;none&#8221; align=&#8221;center&#8221;]\n<div id=\"comp-jjabhjs7\" class=\"txtNew\" data-packed=\"true\">\n<div id=\"comp-jhgnp0bn\" class=\"txtNew\" data-packed=\"false\" data-min-height=\"17\">\n<div id=\"comp-jlcre5hu\" class=\"txtNew\" data-packed=\"false\" data-min-height=\"17\">\n<p class=\"font_9\">Playeros Rojizos en la Barra del Chuy, Uruguay. <em>Foto: Joaqu\u00edn Aldabe.<\/em><\/p>\n<\/div>\n<\/div>\n<\/div>\n[\/mk_fancy_title][\/vc_column][vc_column width=&#8221;1\/6&#8243;][\/vc_column][\/mk_page_section][vc_row][vc_column][mk_padding_divider size=&#8221;20&#8243;][vc_column_text margin_bottom=&#8221;20&#8243; css=&#8221;.vc_custom_1622767955142{margin-bottom: 0px !important;}&#8221;]Este trabajo nos permiti\u00f3 conocer m\u00e1s sobre el Playero Rojizo y c\u00f3mo usa este lugar del mundo. En particular aprendimos que la inmensa costa Atl\u00e1ntica desde Uruguay hasta Lagoa do Peixe en Brasil no es completamente utilizada por la especie, sino que solo aquellas partes con pendiente leve y ancho de <em>swash<\/em> grande. Esta informaci\u00f3n es de sumo valor para la priorizaci\u00f3n de \u00e1reas de conservaci\u00f3n en la cadena de playas arenosas de Uruguay y sur de Brasil, una parada muy importante en la migraci\u00f3n del Playero Rojizo y otras especies de aves playeras.<\/p>\n<p>Para mayor informaci\u00f3n sobre estos estudios de campo en Uruguay y sur de Brasil puede comunicarse con <a href=\"mailto:jaldabe@manomet.org\" target=\"_blank\" rel=\"noopener\">Joaqu\u00edn Aldabe<\/a>, Especialista en Ganader\u00eda y Conservaci\u00f3n de Aves Playeras de la Oficina Ejecutiva de la Red Hemisf\u00e9rica de Reservas para Aves Playeras.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column][mk_fancy_title tag_name=&#8221;span&#8221; color=&#8221;#3d4045&#8243; size=&#8221;12&#8243; font_weight=&#8221;400&#8243; font_family=&#8221;none&#8221;]<strong>Foto de Portada: Grupo de Playeros Rojizos en la Barra del Chuy, Uruguay.\u00a0 <em>Foto: Joaqu\u00edn Aldabe.<\/em><\/strong>[\/mk_fancy_title][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"<p>[vc_row css=&#8221;.vc_custom_1537359740219{margin-top: 0px !important;padding-top: 0px !important;}&#8221;][vc_column css=&#8221;.vc_custom_1537371217000{margin-top: 0px !important;padding-top: 0px !important;}&#8221;][mk_padding_divider size=&#8221;20&#8243;][vc_column_text margin_bottom=&#8221;20&#8243; css=&#8221;.vc_custom_1622767804669{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;}&#8221;]Las playas arenosas ba\u00f1adas por el oc\u00e9ano Atl\u00e1ntico en la costa norte de Uruguay, pr\u00f3ximo a la frontera con Brasil, forman parte de un ecosistema \u00fanico en el mundo. Este ecosistema de playas arenosas se extiende [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":15245,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","footnotes":""},"categories":[528],"tags":[],"class_list":["post-15280","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-whsrn-es"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Playero Rojizo (Calidris canutus) en las Playas Arenosas de Uruguay.<\/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:\/\/whsrn.org\/es\/calidris-canutus-en-las-playas-arenosas-de-uruguay\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Playero Rojizo (Calidris canutus) en las Playas Arenosas de Uruguay.\" \/>\n<meta property=\"og:description\" content=\"[vc_row css=&#8221;.vc_custom_1537359740219{margin-top: 0px !important;padding-top: 0px !important;}&#8221;][vc_column css=&#8221;.vc_custom_1537371217000{margin-top: 0px !important;padding-top: 0px !important;}&#8221;][mk_padding_divider size=&#8221;20&#8243;][vc_column_text margin_bottom=&#8221;20&#8243; css=&#8221;.vc_custom_1622767804669{margin-top: 0px !important;margin-bottom: 0px !important;padding-top: 0px !important;}&#8221;]Las playas arenosas ba\u00f1adas por el oc\u00e9ano Atl\u00e1ntico en la costa norte de Uruguay, pr\u00f3ximo a la frontera con Brasil, forman parte de un ecosistema \u00fanico en el mundo. Este ecosistema de playas arenosas se extiende [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/whsrn.org\/es\/calidris-canutus-en-las-playas-arenosas-de-uruguay\/\" \/>\n<meta property=\"og:site_name\" content=\"WHSRN\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/WHSRN\" \/>\n<meta property=\"article:published_time\" content=\"2021-06-03T13:02:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-06-04T00:52:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/whsrn.org\/wp-content\/uploads\/2021\/06\/rekn_uruguay_featured_joaquinaldabe.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1680\" \/>\n\t<meta property=\"og:image:height\" content=\"775\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Joaqu\u00edn Aldabe\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@WHSRN\" \/>\n<meta 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