{"id":18600,"date":"2023-11-13T15:36:29","date_gmt":"2023-11-13T14:36:29","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=18600"},"modified":"2023-11-13T15:36:29","modified_gmt":"2023-11-13T14:36:29","slug":"una-visita-passada-per-aigua","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/una-visita-passada-per-aigua\/","title":{"rendered":"Una visita passada per aigua"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-18619 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/11\/munta-300x300.jpg\" alt=\"\" width=\"407\" height=\"407\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/11\/munta.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/11\/munta-150x150.jpg 150w\" sizes=\"auto, (max-width: 407px) 100vw, 407px\" \/>Dilluns 13 de setembre de 2023 l&#8217;alumnat de 6\u00e8 de l&#8217;<a href=\"https:\/\/www.escolamestral.cat\/\">Escola Mestral<\/a> de Sant Feliu de Llobregat han vingut al <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/\">CdA Can Santoi<\/a> amb el prop\u00f2sit 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\">qualitat 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 tingut clar que per comprovar com es troba aquest ecosistema calia analitzar tant l&#8217;ambient (bi\u00f2top) com els seus organismes (biocenosi). Repartits en sis 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-18603\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/11\/2-6-169x300.jpg\" alt=\"\" width=\"124\" height=\"220\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/11\/2-6-169x300.jpg 169w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/11\/2-6.jpg 300w\" sizes=\"auto, (max-width: 124px) 100vw, 124px\" \/>Arribats a la riera, els grups han comen\u00e7at a prendre mesures de la temperatura ambient i de l\u2019aigua, la direcci\u00f3 del corrent, 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, t\u00edpules, sabaters, larves de mosca negra, un d\u00edxid i fins i tot un cuc de terra.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-18605 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/11\/4-2-225x300.jpg\" alt=\"\" width=\"161\" height=\"215\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/11\/4-2-225x300.jpg 225w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2023\/11\/4-2.jpg 300w\" sizes=\"auto, (max-width: 161px) 100vw, 161px\" \/>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, que segons un \u00edndex bi\u00f2tic de 51 corresponia a un estat de salut de qualitat mediocre. 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<p>Felicitats per la vostra investigaci\u00f3 i fins ben aviat!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dilluns 13 de setembre de 2023 l&#8217;alumnat de 6\u00e8 de l&#8217;Escola Mestral de Sant Feliu de Llobregat han vingut al CdA Can Santoi amb el prop\u00f2sit d&#8217;investigar la qualitat 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":18602,"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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