{"id":14008,"date":"2022-01-24T19:55:47","date_gmt":"2022-01-24T18:55:47","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=14008"},"modified":"2022-01-24T21:37:07","modified_gmt":"2022-01-24T20:37:07","slug":"els-nens-de-la-disco-de-lalzina-descobreixen-la-riera-de-vallvidrera","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/els-nens-de-la-disco-de-lalzina-descobreixen-la-riera-de-vallvidrera\/","title":{"rendered":"Els nens de la &#8220;Disco&#8221; de L&#8217;Alzina descobreixen la riera de Vallvidrera"},"content":{"rendered":"<p>Dilluns 24 de gener la\u00a0 classe <i>&#8220;Disco&#8221;<\/i>\u00a0de 4t de l\u2019<strong>Escola L&#8217;Alzina <\/strong>de Molins de Rei dins del seu projecte &#8220;Descobrim els ecosistemes&#8221; ha estat a Can Santoi per estudiar\u00a0<a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/dinamica-dels-ecosistemes\/descobrim-la-riera\/\" target=\"_blank\" rel=\"noopener\"> la riera de Vallvidrera<\/a> i con\u00e8ixer el seu estat de conservaci\u00f3.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-14017 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/01\/IMG_20220124_202703_144-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/01\/IMG_20220124_202703_144.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/01\/IMG_20220124_202703_144-150x150.jpg 150w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>Per comen\u00e7ar han conegut algunes caracter\u00edstiques de la riera i han aportat moltes idees de com podrien investigar la riera.\u00a0 S\u2019han dividit en grups de treball i llavors han revisat el material necessari per l\u2019estudi. Despr\u00e9s d&#8217;esmorzar s&#8217;han dirigit a la zona de\u00a0 Can Castellv\u00ed . All\u00e0\u00a0 han comen\u00e7at a prendre mesures com la temperatura ambient i de l\u2019aigua, l\u2019amplada, la fond\u00e0ria. Tamb\u00e9 han agafat mostres\u00a0 per descobrir la qualitat de l\u2019aigua. Posteriorment han reconegut diverses plantes que formen el bosc de ribera que acompanya la riera en aquest tram. Continuant amb la investigaci\u00f3 han fet de ca\u00e7adors i amb els salabrets\u00a0 han capturat una bona diversitat d&#8217;invertebrats aqu\u00e0tics com espiadimonis, barretets, limnees, gambetes d\u2019aigua dol\u00e7a, larves de mosca i fins i tot un petit barb cua roja.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-14013 alignright\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2022\/01\/IMG_7290.jpg\" alt=\"\" width=\"219\" height=\"300\" \/>De tornada al laboratori han utilitzat lupes binoculars per observar amb detall tots els animals capturats. Amb fitxes de suport han identificat tots els animals i han conegut les seves caracter\u00edstiques. Amb tota la informaci\u00f3 de la investigaci\u00f3 han pogut avaluar la qualitat de l\u2019aigua de la riera de Vallvidrera. Han descobert que la presenta s\u00edmptomes de contaminaci\u00f3. En acabar han tornat tots els animals de nou a la riera.<\/p>\n<p>Han sigut uns investigadors molt motivats! Fins la propera.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dilluns 24 de gener la\u00a0 classe &#8220;Disco&#8221;\u00a0de 4t de l\u2019Escola L&#8217;Alzina de Molins de Rei dins del seu projecte &#8220;Descobrim els ecosistemes&#8221; ha estat a Can Santoi per estudiar\u00a0 la riera de Vallvidrera i con\u00e8ixer el seu estat de conservaci\u00f3. Per comen\u00e7ar han conegut algunes caracter\u00edstiques de la riera i han aportat moltes idees de [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":14015,"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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