{"id":26259,"date":"2026-04-28T16:32:58","date_gmt":"2026-04-28T14:32:58","guid":{"rendered":"https:\/\/cienciagandia.webs.upv.es\/?p=26259"},"modified":"2026-04-28T16:42:49","modified_gmt":"2026-04-28T14:42:49","slug":"estabilitat-en-aus-hivernants","status":"publish","type":"post","link":"https:\/\/cienciagandia.webs.upv.es\/ca\/2026\/04\/estabilitat-en-aus-hivernants\/","title":{"rendered":"Estabilitat en aus hivernants"},"content":{"rendered":"\n<p><strong>Un estudi liderat pel Campus de Gandia de la Universitat Polit\u00e8cnica de Val\u00e8ncia analitza m\u00e9s de 97.000 registres d&#8217;aus anellades durant 25 anys i revela una estabilitat en les comunitats d&#8217;aus hivernants.<\/strong><strong><\/strong><\/p>\n\n\n\n<p>Les comunitats d&#8217;aus hivernants en l&#8217;est d&#8217;Espanya s&#8217;han mantingut estables durant les \u00faltimes d\u00e8cades. Aix\u00ed ho revela un estudi liderat per <a href=\"https:\/\/www.upv.es\/ficha-personal\/jualupui\">Pau Lucio Puig<\/a>, expert en aus<strong>, <\/strong>que mostra que <strong>la geografia i les caracter\u00edstiques locals de l&#8217;h\u00e0bitat influeixen m\u00e9s que els canvis recents del clima en la composici\u00f3 de les comunitats d&#8217;aus<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"500\" data-id=\"26260\" src=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-1-1-750x500.webp\" alt=\"\" class=\"wp-image-26260\" srcset=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-1-1-750x500.webp 750w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-1-1-375x250.webp 375w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-1-1-768x512.webp 768w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-1-1-1536x1024.webp 1536w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-1-1-2048x1365.webp 2048w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/figure>\n\n\n\n<p>La investigaci\u00f3, publicada en la revista cient\u00edfica <em>Journal of Biogeography<\/em>, va analitzar <strong>m\u00e9s de 97.000 registres d&#8217;aus anellades recopilats durant 25 anys<\/strong> en estacions de seguiment de l&#8217;est de la pen\u00ednsula ib\u00e8rica. Els resultats indiquen que <strong>les difer\u00e8ncies entre comunitats d&#8217;aus van estar determinades principalment per factors geogr\u00e0fics i ambientals locals<\/strong>, com l&#8217;altitud, el tipus d&#8217;h\u00e0bitat o l&#8217;esfor\u00e7 de mostreig. En canvi, <strong>les variables clim\u00e0tiques van tenir una influ\u00e8ncia menor de l&#8217;esperada<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"888\" height=\"500\" data-id=\"26263\" src=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-2-1-888x500.webp\" alt=\"\" class=\"wp-image-26263\" srcset=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-2-1-888x500.webp 888w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-2-1-444x250.webp 444w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-2-1-768x433.webp 768w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-2-1-1536x865.webp 1536w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-2-1-2048x1154.webp 2048w\" sizes=\"auto, (max-width: 888px) 100vw, 888px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"888\" height=\"500\" data-id=\"26269\" src=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-3-2-888x500.webp\" alt=\"\" class=\"wp-image-26269\" srcset=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-3-2-888x500.webp 888w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-3-2-444x250.webp 444w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-3-2-768x433.webp 768w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-3-2-1536x865.webp 1536w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Anillamiento-3-2-2048x1154.webp 2048w\" sizes=\"auto, (max-width: 888px) 100vw, 888px\" \/><\/figure>\n<\/figure>\n\n\n\n<p>L&#8217;estudi \u00e9s fruit de la col\u00b7laboraci\u00f3 entre el Campus de Gandia (UPV), la Universitat de Val\u00e8ncia, la Fundaci\u00f3 Migres, l&#8217;Associaci\u00f3 de Naturalistes del Sud-est (ANSE), SEU BirdLife Comunitat Valenciana i l&#8217;Estaci\u00f3&nbsp; d&#8217;anellament Lorenzo Garc\u00eda.<\/p>\n\n\n\n<p>Es va analitzar <strong>83 esp\u00e8cies d&#8217;aus<\/strong> i es va trobar que <strong>nom\u00e9s sis van presentar canvis temporals significatius<\/strong>, mentre que en la majoria dels casos els patrons observats van estar relacionats <strong>amb la posici\u00f3 geogr\u00e0fica de les estacions de mostreig o amb la interacci\u00f3 entre factors espacials i temporals.<\/strong> Aquests resultats suggereixen que <strong>no existeix una tend\u00e8ncia uniforme en tota la regi\u00f3<\/strong>, sin\u00f3 que <strong>les din\u00e0miques de les comunitats d&#8217;aus depenen en gran manera de les caracter\u00edstiques locals de cada \u00e0rea<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"764\" height=\"500\" data-id=\"26272\" src=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Figura-2-1-764x500.webp\" alt=\"\" class=\"wp-image-26272\" srcset=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Figura-2-1-764x500.webp 764w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Figura-2-1-382x250.webp 382w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Figura-2-1-768x502.webp 768w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Figura-2-1-1536x1005.webp 1536w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Figura-2-1-2048x1340.webp 2048w\" sizes=\"auto, (max-width: 764px) 100vw, 764px\" \/><\/figure>\n<\/figure>\n\n\n\n<p><strong>M\u00e9s esp\u00e8cies a l&#8217;hivern<\/strong><strong><\/strong><\/p>\n\n\n\n<p>Malgrat l&#8217;estabilitat en la composici\u00f3 d&#8217;aquestes comunitats, es va detectar <strong>un augment significatiu en la riquesa d&#8217;esp\u00e8cies al llarg del per\u00edode d&#8217;estudi. <\/strong>Aquest increment podria explicar-se per <strong>diversos processos simultanis<\/strong>, entre ells, <strong>l&#8217;expansi\u00f3 d&#8217;algunes esp\u00e8cies residents<\/strong>, <strong>l&#8217;arribada i establiment d&#8217;esp\u00e8cies no natives<\/strong> com el <strong>bec de coral del Senegal (<em>Estrilda astrild<\/em>) <\/strong>o el <strong>rossinyol del Jap\u00f3 (<em>Leiothrix lutea<\/em>), <\/strong>i <strong>l&#8217;augment en individus hivernants d&#8217;esp\u00e8cies\u00a0 parcialment migradores<\/strong>, com \u00e9s el cas del <strong>xot eurasi\u00e0tic<\/strong> <strong>(<em>Otus scops<\/em>).<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"323\" height=\"500\" data-id=\"26275\" src=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Infografia-1-323x500.webp\" alt=\"\" class=\"wp-image-26275\" srcset=\"https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Infografia-1-323x500.webp 323w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Infografia-1-161x250.webp 161w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Infografia-1-768x1190.webp 768w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Infografia-1-992x1536.webp 992w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Infografia-1-1322x2048.webp 1322w, https:\/\/cienciagandia.webs.upv.es\/wp-content\/uploads\/2026\/04\/Infografia-1.webp 1536w\" sizes=\"auto, (max-width: 323px) 100vw, 323px\" \/><\/figure>\n<\/figure>\n\n\n\n<p><strong>Un possible efecte de la posici\u00f3 geogr\u00e0fica i del predomini d&#8217;esp\u00e8cies generalistes<\/strong><strong><\/strong><\/p>\n\n\n\n<p>Encara que les temperatures m\u00e0ximes van mostrar una lleugera tend\u00e8ncia a l&#8217;al\u00e7a al llarg del per\u00edode d&#8217;estudi, aquest increment no va ser estad\u00edsticament significatiu en els models analitzats. Segons l&#8217;equip investigador, la relativa estabilitat de les comunitats d&#8217;aus hivernants en la pen\u00ednsula ib\u00e8rica podria estar relacionada amb la seua posici\u00f3 geogr\u00e0fica en una latitud interm\u00e8dia, la qual cosa podria esmorteir la influ\u00e8ncia directa de la variabilitat clim\u00e0tica en comparaci\u00f3 amb els canvis observats en regions m\u00e9s septentrionals o tropicals. A m\u00e9s, aquesta relativa resili\u00e8ncia podria reflectir tamb\u00e9 el predomini d&#8217;esp\u00e8cies generalistes \u00e0mpliament distribu\u00efdes, que tendeixen a tolerar millor les fluctuacions ambientals i poden emmascarar els primers senyals de canvis en les comunitats indu\u00efts pel clima.<\/p>\n\n\n\n<p>Finalment, l&#8217;equip subratlla la necessitat de dissenyar estrat\u00e8gies de conservaci\u00f3 adaptades a la variabilitat espacial i a les condicions locals espec\u00edfiques de cada zona, amb especial \u00e8mfasi en el manteniment de la diversitat d&#8217;h\u00e0bitats i i la protecci\u00f3d\u2019\u00e0rees que incloguen gradients representatius d&#8217;altitud i clima.<\/p>\n\n\n\n<p>M\u00e9s informaci\u00f3:<br>Lucio-Puig, P., Gar\u00f3fano-G\u00f3mez, V., Morell-Monz\u00f3, S., Monr\u00f3s, J.S., Onrubia, A., Garc\u00eda-Castellanos, F.A., Ferr\u00eds, D., Paracuellos, M. and Mu\u00f1oz-Mas, R. (2025), Geography and Site-Specific Factors, Rather Than Recent Climate, Dominated Spanish Wintering Bird Communities. Journal of Biogeography, 52: e70097. <a href=\"https:\/\/doi.org\/10.1111\/jbi.70097\">https:\/\/doi.org\/10.1111\/jbi.70097<\/a><\/p>\n\n\n\n<p>* Foto de portada xot eurasi\u00e0tic (Autor: Carlos Momp\u00f3).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un estudi liderat pel Campus de Gandia de la Universitat Polit\u00e8cnica de Val\u00e8ncia analitza m\u00e9s de 97.000 registres d&#8217;aus anellades durant 25 anys i revela &#8230; <a title=\"Estabilitat en aus hivernants\" class=\"read-more\" href=\"https:\/\/cienciagandia.webs.upv.es\/ca\/2026\/04\/estabilitat-en-aus-hivernants\/\" aria-label=\"Read more about Estabilitat en aus hivernants\">Llegir m\u00e9s<\/a><\/p>\n","protected":false},"author":19,"featured_media":26257,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[246],"tags":[],"class_list":["post-26259","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ambientals","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Estabilitat en aus hivernants - Campus de Gandia Ciencia - UPV Universitat Polit\u00e8cnica de Val\u00e8ncia<\/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:\/\/cienciagandia.webs.upv.es\/ca\/2026\/04\/estabilitat-en-aus-hivernants\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Estabilitat en aus hivernants - Campus de Gandia Ciencia - UPV Universitat Polit\u00e8cnica de Val\u00e8ncia\" \/>\n<meta property=\"og:description\" content=\"Un estudi liderat pel Campus de Gandia de la Universitat Polit\u00e8cnica de Val\u00e8ncia analitza m\u00e9s de 97.000 registres d&#8217;aus anellades durant 25 anys i revela ... 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