{"id":16827,"date":"2023-03-02T16:15:50","date_gmt":"2023-03-02T15:15:50","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=16827"},"modified":"2023-03-02T16:15:50","modified_gmt":"2023-03-02T15:15:50","slug":"la-riera-i-els-seus-secrets","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/la-riera-i-els-seus-secrets\/","title":{"rendered":"La riera i els seus secrets"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-16829 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/2-1-169x300.jpg\" alt=\"\" width=\"177\" height=\"314\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/2-1-169x300.jpg 169w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/2-1.jpg 300w\" sizes=\"auto, (max-width: 177px) 100vw, 177px\" \/>Aquest dijous 2 de mar\u00e7 ens ha vingut a visitar la classe de 6\u00e8 B de l&#8217;<a href=\"https:\/\/agora.xtec.cat\/escolamercerodoredamartorell\/\">Escola Merc\u00e8 Rodoreda<\/a> de Martorell. El seu prop\u00f2sit era el d&#8217;<span style=\"font-family: inherit; font-size: 1em;\">investigar <\/span>la <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/dinamica-dels-ecosistemes\/descobrim-la-riera\/\" target=\"_blank\" rel=\"noopener\">biodiversitat de la riera<\/a><span style=\"font-family: inherit; font-size: 1em;\"> de Vallvidrera a la zona de L<\/span><span style=\"font-family: inherit; font-size: 1em;\">a Rierada.<\/span><\/p>\n<p>Primer han fet una petita introducci\u00f3 on han exposat quines serien algunes de les caracter\u00edstiques de la riera que caldria estudiar per con\u00e8ixer el seu \u00edndex bi\u00f2tic i aix\u00ed poder determinar-ne el seu estat ecol\u00f2gic. Han ent\u00e8s que, per avaluar aquest ecosistema, calia analitzar tant els factors abi\u00f2tics (bi\u00f2top) com els bi\u00f2tics (biocenosi). Seguidament, s\u2019han dividit en cinc grups de treball, han revisat tot el material necessari per dur a terme el seu estudi i s&#8217;han apropat fins a la Font de l&#8217;Arbre Caigut.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-16830\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/MUNT-1-300x300.jpg\" alt=\"\" width=\"233\" height=\"233\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/MUNT-1.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/MUNT-1-150x150.jpg 150w\" sizes=\"auto, (max-width: 233px) 100vw, 233px\" \/>Arribats a la riera, els grups han comen\u00e7at a prendre mesures de la temperatura ambient i de l\u2019aigua, del sentit, l\u2019amplada, la fond\u00e0ria i la velocitat del curs fluvial, i d&#8217;altres propietats organol\u00e8ptiques de l&#8217;aigua. Despr\u00e9s s&#8217;han fixat en els arbres i plantes que formen el bosc de ribera en aquest tram i han concl\u00f2s el seu estudi capturant una bona mostra d&#8217;invertebrats aqu\u00e0tics amb l&#8217;ajuda dels salabrets i els pinzells: espiadimonis, barretets, cargols de fang, gambetes d\u2019aigua dol\u00e7a, ef\u00edmeres, plan\u00e0ries, sabaters i un capgr\u00f2s.<\/p>\n<p>Per \u00faltim han tornat al Camp d&#8217;Aprenentatge per aconseguir identificar-los amb l&#8217;ajuda de lupes binoculars i fitxes de suport. Amb tot aix\u00f2 han <span style=\"font-family: inherit; font-size: 1em;\">pogut avaluar la qualitat de l\u2019aigua de la riera de Vallvidrera i s&#8217;han sorpr\u00e8s quan els valors l&#8217;han catalogat com a &#8220;greu (qualitat deficient)&#8221;. Arrel d&#8217;aquestes conclusions han reflexionat sobre el nostre impacte en aquest i altres ecosistemes.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquest dijous 2 de mar\u00e7 ens ha vingut a visitar la classe de 6\u00e8 B de l&#8217;Escola Merc\u00e8 Rodoreda de Martorell. El seu prop\u00f2sit era el d&#8217;investigar la biodiversitat de la riera de Vallvidrera a la zona de La Rierada. Primer han fet una petita introducci\u00f3 on han exposat quines serien algunes de les caracter\u00edstiques [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":16828,"comment_status":"open","ping_status":"closed","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":"","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":"default","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":[395,393,399,397,1,29,318],"tags":[],"class_list":["post-16827","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aprendreambelscampsientorns","category-campsientornsdaprenentatge","category-projectecda","category-sortidacda","category-general","category-portada","category-animals-de-la-riera"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/16827","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/comments?post=16827"}],"version-history":[{"count":3,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/16827\/revisions"}],"predecessor-version":[{"id":16838,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/16827\/revisions\/16838"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media\/16828"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media?parent=16827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/categories?post=16827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/tags?post=16827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}