{"id":14328,"date":"2022-03-02T10:32:02","date_gmt":"2022-03-02T09:32:02","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=14328"},"modified":"2022-07-01T09:26:02","modified_gmt":"2022-07-01T07:26:02","slug":"els-egipcis-investiguen-la-riera","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/els-egipcis-investiguen-la-riera\/","title":{"rendered":"&#8220;Els egipcis&#8221; investiguen la riera"},"content":{"rendered":"<p>Aquest dimarts dia 1 de mar\u00e7, els nens i nenes de cinqu\u00e8 de l&#8217;<a href=\"https:\/\/agora.xtec.cat\/escestel\/\">Escola Estel<\/a> de Molins de Rei, que aquest any s&#8217;anomenen <strong>Els egipcis<\/strong>, han vingut a <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/dinamica-dels-ecosistemes\/la-riera\/\">explorar la riera de Vallvidrera<\/a> i a con\u00e8ixer el seu estat de salut am<img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-14331\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/03\/composicio_p-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/03\/composicio_p.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/03\/composicio_p-150x150.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><span style=\"font-family: inherit; font-size: 1em;\">biental acompanyats del <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/\">Camp d&#8217;aprenentatge de Can Santoi<\/a>. Des del Camp d&#8217;aprenentatge posem en valor l&#8217;alta <strong>motivaci\u00f3<\/strong> amb la que han exposat tota una s\u00e8rie de preguntes inicials sobre com \u00e9s la riera de Vallvidrera de Collserola. De de quins \u00e9ssers vius s&#8217;hi troben, tant els animals aqu\u00e0tics com la vegetaci\u00f3 que hi ha al seu voltant. Dels animals, han sortit inquietuds sobre el cicle de vida, en refer\u00e8ncia si viuen tot l&#8217;any a la riera, si n&#8217;hi han en perill d&#8217;extinci\u00f3 i si es troben plantes verinoses. Sobre la riera, molts dels nens i nenes ja la coneixen, ja que s&#8217;hi han passejat diverses vedades pel cam\u00ed que la voreja des de la vila fins m\u00e9s amunt de la Rierada. <\/span><\/p>\n<p>Abans d&#8217;anar-la a explorar tots plegats hem acordat el repte: <strong>quina salut tindr\u00e0 la riera de Vallvidrera<\/strong>? Hem comen\u00e7at a parlar d&#8217;<strong>ecosistema<\/strong>, de les interrelacions que es produeix entre els diferents \u00e9ssers vius que viuen a Collserola, incloses les persones.<\/p>\n<p>Per a <strong>explorar la riera<\/strong> ens hem preparat per a obtenir dades del curs d&#8217;aigua, de l&#8217;estat de la vegetaci\u00f3 que envolta la riera i per a identificar del major nombre d&#8217;animals. La captura sempre la fem per mantenir-los vius, con\u00e8ixer-los millor amb les lupes binoculars. La primera exploraci\u00f3 ha consistit en <strong>obtenir dades ambientals<\/strong> sobre les temperatures de l&#8217;aigua i l&#8217;aire, de l&#8217;amplada, la fond\u00e0ria i la velocitat de l&#8217;aigua i tamb\u00e9 uns valoraci\u00f3 de l&#8217;olor, la transpar\u00e8ncia i pres\u00e8ncia de restes de sabons. Visualment no hem destacat cap s\u00edmptoma, excepte algunes deixalles que hem pogut recollir.<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-14338 alignright\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/03\/estel_p.jpg\" alt=\"\" width=\"300\" height=\"210\" \/><\/p>\n<p>Despr\u00e9s hem identificat les principals <strong>plantes del bosc de ribera<\/strong> <strong>i a buscar els animalets que viuen a l&#8217;aigua<\/strong>. Hem pogut capturar gambetes d&#8217;aigua dol\u00e7a, larves d&#8217;espiadimonis, larves d&#8217;ef\u00edmeres, mol\u00b7luscs, sabaters, larves de mosca negra i una larva de salamandra. Amb l&#8217;ajut de les lupes binoculars hem descobert tota una s\u00e8rie d&#8217;estrat\u00e8gies d&#8217;aquests organismes per viure a l&#8217;aigua, respirar, obtenir aliment i per reproduir-se. Del coneixement i els estudis existents sobre els animalets dels rius de Catalunya, hem <strong>aplicat un m\u00e8tode d&#8217;indicadors biol\u00f2gics que relaciona la qualitat de l&#8217;aigua amb la pres\u00e8ncia d&#8217;animals trobats<\/strong>.<\/p>\n<p>N&#8217;hem obtingut una <strong>qualitat de l&#8217;aigua mediocre en el tram de la riera proper a Can Campreci\u00f3s<\/strong>. A l&#8217;escola continuaran la recerca i compromisos de preservar les aig\u00fces de residus. Els nenes i nenes de cinqu\u00e8, &#8220;Els egipcis&#8221; han ampliat l&#8217;espai d&#8217;aprenentatge al patrimoni natural de Collserola, motivats, col\u00b7laborant en equip i aprenent amb noves experi\u00e8ncies.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aquest dimarts dia 1 de mar\u00e7, els nens i nenes de cinqu\u00e8 de l&#8217;Escola Estel de Molins de Rei, que aquest any s&#8217;anomenen Els egipcis, han vingut a explorar la riera de Vallvidrera i a con\u00e8ixer el seu estat de salut ambiental acompanyats del Camp d&#8217;aprenentatge de Can Santoi. Des del Camp d&#8217;aprenentatge posem en [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14331,"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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