{"id":17077,"date":"2023-03-29T16:12:07","date_gmt":"2023-03-29T14:12:07","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=17077"},"modified":"2023-03-30T10:09:28","modified_gmt":"2023-03-30T08:09:28","slug":"els-vidriers-analitzen-lestat-de-salut-de-la-riera","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/els-vidriers-analitzen-lestat-de-salut-de-la-riera\/","title":{"rendered":"Els &#8220;vidriers&#8221; analitzen l&#8217;estat de salut de la riera"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-17100 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/munt-15-300x300.jpg\" alt=\"\" width=\"402\" height=\"402\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/munt-15.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/munt-15-150x150.jpg 150w\" sizes=\"auto, (max-width: 402px) 100vw, 402px\" \/>Aquest dimecres 29 de mar\u00e7 de 2023 ens han vingut a visitar els <em>Vidriers<\/em>, els\/les alumnes de la classe de 5\u00e8 B de l&#8217;<a href=\"https:\/\/agora.xtec.cat\/ceipcastellciuro\/\">Escola Castell Ciur\u00f3<\/a> de Molins de Rei. El seu prop\u00f2sit era el d&#8217;<span style=\"font-family: inherit; font-size: 1em;\">investigar <\/span>l&#8217;<a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/dinamica-dels-ecosistemes\/descobrim-la-riera\/\">estat de salut\u00a0de 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 quatre 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-17095\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/2-16-169x300.jpg\" alt=\"\" width=\"237\" height=\"420\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/2-16-169x300.jpg 169w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/03\/2-16.jpg 300w\" sizes=\"auto, (max-width: 237px) 100vw, 237px\" \/>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, larves de mosca negra, una plan\u00e0ria, un sabater i un grill d&#8217;aigua.<\/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;malalta (qualitat mediocre)&#8221;. Arrel d&#8217;aquestes conclusions han reflexionat sobre el nostre impacte en aquest i altres ecosistemes conscienciant-se de la import\u00e0ncia de mantenir-los nets.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquest dimecres 29 de mar\u00e7 de 2023 ens han vingut a visitar els Vidriers, els\/les alumnes de la classe de 5\u00e8 B de l&#8217;Escola Castell Ciur\u00f3 de Molins de Rei. El seu prop\u00f2sit era el d&#8217;investigar l&#8217;estat de salut\u00a0de la riera de Vallvidrera a la zona de La Rierada. Primer han fet una petita introducci\u00f3 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":17096,"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 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