{"id":12606,"date":"2026-03-11T10:31:29","date_gmt":"2026-03-11T09:31:29","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/?p=12606"},"modified":"2026-03-11T11:50:50","modified_gmt":"2026-03-11T10:50:50","slug":"un-misteri-amb-petjades-dos-investigant-la-seva-presencia-a-les-valls-daneu","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/portada\/un-misteri-amb-petjades-dos-investigant-la-seva-presencia-a-les-valls-daneu\/","title":{"rendered":"Un misteri amb petjades d\u2019os: investigant la seva pres\u00e8ncia a les Valls d\u2019\u00c0neu"},"content":{"rendered":"\n
\"\"<\/a><\/figure>\n\n\n\n

A nivell popular sovint es diu que els ossos hivernen, per\u00f2 en realitat no \u00e9s del tot correcte. El que fan \u00e9s pseudohivernar<\/strong>. Durant aquest per\u00edode, la seva temperatura corporal baixa uns quants graus, el ritme card\u00edac disminueix notablement i poden passar setmanes sense menjar, beure ni realitzar funcions fisiol\u00f2giques habituals, vivint de les reserves de greix acumulades durant la tardor.<\/p>\n\n\n\n

Amb l\u2019arribada del final de l\u2019hivern, per\u00f2, arriba tamb\u00e9 el moment en qu\u00e8 els ossos comencen a despertar-se de les seves osseres.<\/p>\n\n\n\n

Un possible albirament a Esterri<\/h3>\n\n\n\n

Precisament aquesta setmana, l\u2019alumnat de 5\u00e8 i 6\u00e8 de l\u2019Escola Enxaneta de Valls ha arribat a les Valls d\u2019\u00c0neu amb una pregunta ben intrigant: un ve\u00ed afirmava haver vist una ossa als prats d\u2019Esterri d\u2019\u00c0neu.<\/p>\n\n\n\n

Podria ser cert?<\/p>\n\n\n\n

Durant quatre dies d\u2019estada, els nois i noies han posat en pr\u00e0ctica l\u2019observaci\u00f3 i el raonament cient\u00edfic per intentar resoldre aquest misteri, tot coneixent la biologia de l\u2019\u00f3s bru i els ecosistemes on habita.<\/p>\n\n\n\n

Orientaci\u00f3 per analitzar l\u2019escenari<\/h3>\n\n\n\n

La investigaci\u00f3 ha comen\u00e7at amb un circuit d\u2019orientaci\u00f3 per analitzar el lloc de l\u2019albirament. Amb mapes i br\u00faixoles, l\u2019alumnat ha interpretat el paisatge i ha valorat si els prats d\u2019Esterri podrien oferir les condicions adequades perqu\u00e8 hi aparegui un os.<\/p>\n\n\n\n

El Gerdar i la Casa de l\u2019Os: territori d\u2019os<\/h3>\n\n\n\n

Per entendre millor l\u2019h\u00e0bitat d\u2019aquest gran mam\u00edfer, el grup ha visitat l\u2019avetosa del Gerdar, un dels grans boscos d\u2019avet del Pirineu.<\/p>\n\n\n\n

All\u00e0 han observat les caracter\u00edstiques d\u2019un espai que s\u00ed que pot ser considerat territori d\u2019os<\/strong>. La jornada s\u2019ha completat amb la visita a la Casa de l\u2019Os Bru dels Pirineus<\/strong>, on han aprofundit en la seva biologia, el seu comportament i els sistemes de seguiment que permeten con\u00e8ixer millor aquesta esp\u00e8cie.<\/p>\n\n\n\n

Una mirada al Parc Nacional<\/h3>\n\n\n\n

L\u2019estada tamb\u00e9 ha incl\u00f2s una excursi\u00f3 al Parc Nacional d\u2019Aig\u00fcestortes i Estany de Sant Maurici<\/strong>, un espai privilegiat per observar la natura d\u2019alta muntanya. Amb un paisatge encara marcat per la neu, l\u2019alumnat s\u2019ha preguntat si aquest entorn seria un lloc probable per trobar-hi un \u00f3s en aquesta \u00e8poca de l\u2019any.<\/p>\n\n\n\n

Com es vivia amb l\u2019os fa m\u00e9s d\u2019un segle<\/h3>\n\n\n\n

Finalment, la visita a Casa Gassia<\/strong>, gestionada per l\u2019Ecomuseu de les Valls d\u2019\u00c0neu<\/strong>, ha perm\u00e8s entendre com era la vida a les cases agro-ramaderes de muntanya fa m\u00e9s d\u2019un segle. En aquell context, la conviv\u00e8ncia amb la fauna salvatge \u2014incl\u00f2s l\u2019os\u2014 formava part de la realitat quotidiana.<\/p>\n\n\n\n

El misteri continua\u2026<\/h3>\n\n\n\n

Despr\u00e9s de quatre dies d\u2019observacions, dades i aprenentatges, els nois i noies ja tenen prou informaci\u00f3 per formular les seves conclusions. Per\u00f2 el cas encara no est\u00e0 tancat: primer hauran de redactar el seu propi informe.<\/p>\n\n\n\n

De moment, el veredicte final continua sota secret de sumari<\/strong>. \ud83d\udd75\ufe0f\u200d\u2642\ufe0f\ud83d\udc3b<\/p>\n","protected":false},"excerpt":{"rendered":"

A nivell popular sovint es diu que els ossos hivernen, per\u00f2 en realitat no \u00e9s del tot correcte. El que […]<\/p>\n","protected":false},"author":1,"featured_media":12607,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[262,417,29],"tags":[393,385],"class_list":["post-12606","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-activitats","category-estades-activitats","category-portada","tag-aprendreambelscampsientorns","tag-campsientornsdaprenentatge"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/wp-json\/wp\/v2\/posts\/12606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/wp-json\/wp\/v2\/comments?post=12606"}],"version-history":[{"count":2,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/wp-json\/wp\/v2\/posts\/12606\/revisions"}],"predecessor-version":[{"id":12617,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/wp-json\/wp\/v2\/posts\/12606\/revisions\/12617"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/wp-json\/wp\/v2\/media\/12607"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/wp-json\/wp\/v2\/media?parent=12606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/wp-json\/wp\/v2\/categories?post=12606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-vallsdaneu\/wp-json\/wp\/v2\/tags?post=12606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}