{"id":1012258,"date":"2026-03-04T12:41:43","date_gmt":"2026-03-04T11:41:43","guid":{"rendered":"https:\/\/new.obsnev.es\/?post_type=protocolos&#038;p=1012258"},"modified":"2026-03-04T12:55:34","modified_gmt":"2026-03-04T11:55:34","slug":"paseriformes-y-otras-aves","status":"publish","type":"protocolos","link":"https:\/\/obsnev.es\/en\/protocolos\/paseriformes-y-otras-aves\/","title":{"rendered":"Passerines and other birds"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1012258\" class=\"elementor elementor-1012258\" data-elementor-post-type=\"protocolos\">\n\t\t\t\t<div class=\"elementor-element elementor-element-63787e3 e-flex e-con-boxed e-con e-parent\" data-id=\"63787e3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4db42ea elementor-widget elementor-widget-text-editor\" data-id=\"4db42ea\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"panel-gb4326-69a033732152e-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child\" data-index=\"0\"><div class=\"fila_ficha panel-widget-style panel-widget-style-for-gb4326-69a033732152e-0-0-0\"><div class=\"so-widget-sow-editor so-widget-sow-editor-base\"><h3 class=\"widget-title\">Aims<\/h3><div class=\"siteorigin-widget-tinymce textwidget\"><p>The main aims of the monitoring of birds in Sierra Nevada are: to ascertain the trends of their populations over time, to determine the shifts in community composition, to record possible changes in phenology of arrival and departure of migratory species, and finally to assess the state of the ecosystems inhabited as a means of foreseeing possible problems.<\/p><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2fa565 elementor-widget elementor-widget-image\" data-id=\"e2fa565\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"992\" height=\"576\" src=\"https:\/\/obsnev.es\/wp-content\/uploads\/2019\/10\/Figura_8_13-1_ES.png\" class=\"attachment-2048x2048 size-2048x2048 wp-image-4782\" alt=\"\" srcset=\"https:\/\/obsnev.es\/wp-content\/uploads\/2019\/10\/Figura_8_13-1_ES.png 992w, https:\/\/obsnev.es\/wp-content\/uploads\/2019\/10\/Figura_8_13-1_ES-300x174.png 300w, https:\/\/obsnev.es\/wp-content\/uploads\/2019\/10\/Figura_8_13-1_ES-768x446.png 768w, https:\/\/obsnev.es\/wp-content\/uploads\/2019\/10\/Figura_8_13-1_ES-18x10.png 18w\" sizes=\"(max-width: 992px) 100vw, 992px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-95f591f elementor-widget elementor-widget-text-editor\" data-id=\"95f591f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"panel-gb4326-69a033732152e-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child\" data-index=\"0\"><div class=\"fila_ficha panel-widget-style panel-widget-style-for-gb4326-69a033732152e-0-0-0\"><div class=\"so-widget-sow-editor so-widget-sow-editor-base\"><div id=\"panel-gb4326-69a033732152e-0-0-2\" class=\"so-panel widget widget_sow-editor\" data-index=\"2\"><div class=\"fila_ficha panel-widget-style panel-widget-style-for-gb4326-69a033732152e-0-0-2\"><div class=\"so-widget-sow-editor so-widget-sow-editor-base\"><h3 class=\"widget-title\">Method and effort<\/h3><div class=\"siteorigin-widget-tinymce textwidget\"><p>Three different types of methodology were used:<\/p><ul><li><strong>Census transects:<\/strong>\u00a0used especially for passerines, although also for other orders. A total of 16 transects are completed, each roughly 2.5 km long and along which all sightings are recorded in a strip measuring 50 m on each side of the observer, which in turn is divided into 5 strips 10 m wide. The observer walks at a constant speed of 2 to 4 km\/h for the first stretch of the morning.<\/li><li><strong>Listening stations:<\/strong>used exclusively for monitoring the tawny owl (Strix aluco). Eighty stations distributed every 1,500 m in 10 transects of 12 km long each are monitored.<\/li><li><strong>Direct search:<\/strong>\u00a0dirigida a parejas reproductoras de roquero rojo (Monticola saxatilis) y a parejas reproductoras, zonas de alimentaci\u00f3n y dormideros de chova piquirroja (Pyrrhocorax pyrrhocorax subsp. erythrorhamphus). En ambos casos se recorren a pie ambientes propicios para cada especie y se muestrea empleando material \u00f3ptico (prism\u00e1ticos de 10\u00d740 y telescopios de 20-60\u00d7100).<\/li><\/ul><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-07a90e4 elementor-widget elementor-widget-image\" data-id=\"07a90e4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"992\" height=\"457\" src=\"https:\/\/obsnev.es\/wp-content\/uploads\/2019\/10\/Figura_8_13-2_ES.png\" class=\"attachment-2048x2048 size-2048x2048 wp-image-4786\" alt=\"\" srcset=\"https:\/\/obsnev.es\/wp-content\/uploads\/2019\/10\/Figura_8_13-2_ES.png 992w, https:\/\/obsnev.es\/wp-content\/uploads\/2019\/10\/Figura_8_13-2_ES-300x138.png 300w, https:\/\/obsnev.es\/wp-content\/uploads\/2019\/10\/Figura_8_13-2_ES-768x354.png 768w, https:\/\/obsnev.es\/wp-content\/uploads\/2019\/10\/Figura_8_13-2_ES-18x8.png 18w\" sizes=\"(max-width: 992px) 100vw, 992px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0f416af elementor-widget elementor-widget-text-editor\" data-id=\"0f416af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div id=\"panel-gb4326-69a033732152e-0-0-0\" class=\"so-panel widget widget_sow-editor panel-first-child\" data-index=\"0\"><div class=\"fila_ficha panel-widget-style panel-widget-style-for-gb4326-69a033732152e-0-0-0\"><div class=\"so-widget-sow-editor so-widget-sow-editor-base\"><div id=\"panel-gb4326-69a033732152e-0-0-2\" class=\"so-panel widget widget_sow-editor\" data-index=\"2\"><div class=\"fila_ficha panel-widget-style panel-widget-style-for-gb4326-69a033732152e-0-0-2\"><div class=\"so-widget-sow-editor so-widget-sow-editor-base\"><div id=\"panel-gb4581-69a0338952d0b-0-0-2\" class=\"so-panel widget widget_sow-editor\" data-index=\"2\"><div class=\"so-widget-sow-editor so-widget-sow-editor-base\"><div id=\"panel-gb4785-69a818026075e-0-0-2\" class=\"so-panel widget widget_sow-editor\" data-index=\"2\"><div class=\"so-widget-sow-editor so-widget-sow-editor-base\"><h3 class=\"widget-title\">Periodicity<\/h3><div class=\"siteorigin-widget-tinymce textwidget\"><p>The transects are monitored monthly all year except for the stretches of the summit areas, which are completed only during the dry period, which is the time during which the biotopes are accessible for sampling. These transects have been monitored since 2007. The common rock thrush, the red-billed chough, and the tawny owl are monitored annually during the period appropriate for each species.<\/p><\/div><\/div><\/div><div id=\"panel-gb4785-69a818026075e-0-0-3\" class=\"so-panel widget widget_sow-editor\" data-index=\"3\"><div class=\"so-widget-sow-editor so-widget-sow-editor-base\"><h3 class=\"widget-title\">Results<\/h3><div class=\"siteorigin-widget-tinymce textwidget\"><p>Download PDF:\u00a0<a href=\"https:\/\/obsnev.es\/wp-content\/uploads\/2019\/12\/5_4_paseriformes.pdf\" target=\"_blank\" rel=\"noopener\">Espa\u00f1ol<\/a>\u00a0\/\u00a0<a href=\"https:\/\/obsnev.es\/wp-content\/uploads\/2019\/12\/5_4_paseriformes_EN.pdf\" target=\"_blank\" rel=\"noopener\">English<\/a><\/p><\/div><\/div><\/div><div id=\"panel-gb4785-69a818026075e-0-0-4\" class=\"so-panel widget widget_sow-editor panel-last-child\" data-index=\"4\"><div class=\"so-widget-sow-editor so-widget-sow-editor-base\"><h3 class=\"widget-title\">References<\/h3><div class=\"siteorigin-widget-tinymce textwidget\"><p>Moller, A.P., Fiedler, W. y Berthold, P. (eds.) 2010. Effects of climate change on birds. Oxford University Press. Oxford, UK, 320 pp.<br \/>Laiolo, P., Dondero, F., Ciliento, E. y Rolando, E. 2004. Consequences of pastoral abandonement for the structure and diversity of the alpine avifauna. J. Appl. Ecol., 41: 294-304.<br \/>Gordo, O. y Sanz, J.J. 2006. Climate change and bird phenology: a long term study in the Iberian Peninsula. Glob. Change Biol., 12: 1993-2004.<br \/>Zamora, R. 1987. Din\u00e1mica temporal y selecci\u00f3n de h\u00e1bitat de los paseriformes de la alta monta\u00f1a de Sierra Nevada (SE Espa\u00f1a). Tesis doctoral. Universidad de Granada. Granada.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"featured_media":4782,"template":"","meta":{"_acf_changed":false},"ambito-tematico":[352],"class_list":["post-1012258","protocolos","type-protocolos","status-publish","has-post-thumbnail","hentry","ambito-tematico-repercusiones-sobre-la-biodiversidad-modelos-de-distribucion-potencial"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/obsnev.es\/en\/wp-json\/wp\/v2\/protocolos\/1012258","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obsnev.es\/en\/wp-json\/wp\/v2\/protocolos"}],"about":[{"href":"https:\/\/obsnev.es\/en\/wp-json\/wp\/v2\/types\/protocolos"}],"version-history":[{"count":5,"href":"https:\/\/obsnev.es\/en\/wp-json\/wp\/v2\/protocolos\/1012258\/revisions"}],"predecessor-version":[{"id":1012308,"href":"https:\/\/obsnev.es\/en\/wp-json\/wp\/v2\/protocolos\/1012258\/revisions\/1012308"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obsnev.es\/en\/wp-json\/wp\/v2\/media\/4782"}],"wp:attachment":[{"href":"https:\/\/obsnev.es\/en\/wp-json\/wp\/v2\/media?parent=1012258"}],"wp:term":[{"taxonomy":"ambito-tematico","embeddable":true,"href":"https:\/\/obsnev.es\/en\/wp-json\/wp\/v2\/ambito-tematico?post=1012258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}