{"id":24034,"date":"2025-10-15T11:19:52","date_gmt":"2025-10-15T09:19:52","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=24034"},"modified":"2025-10-15T11:21:11","modified_gmt":"2025-10-15T09:21:11","slug":"riera","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/riera\/","title":{"rendered":"La roca dreta descobreix la riera i els seus insectes"},"content":{"rendered":"<p>Avui dilluns 13 d\u2019octubre comencem setmana al <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/\">Camp d\u2019Aprenentatge de Can Santoi<\/a>\u00a0amb la visita de l\u2019<a href=\"https:\/\/agora.xtec.cat\/escolamercerodoredamartorell\/\">escola Merc\u00e8 Rodoreda<\/a> de Martorell. La classe \u201cLa Roca dreta\u201d de 6\u00e8 ha investigat a fons la <a href=\"http:\/\/xtec.cat\/cda-cansantoi\/La_riera_csp_v4.pdf\">Riera de Vallvidrera<\/a>. Fa tot just una setmana ens van visitar els companys i companyes de 6\u00e8 i avui han completat l&#8217;estudi de la riera la classe de la roca del drac. Com que han analitzat dues zones diferents de la riera, de ben segur que s&#8217;emportaran un bon estudi de la riera de Vallvidrera!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-24038 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/10\/composicio-261x300.png\" alt=\"\" width=\"261\" height=\"300\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/10\/composicio-261x300.png 261w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/10\/composicio.png 455w\" sizes=\"auto, (max-width: 261px) 100vw, 261px\" \/><\/p>\n<p>En primer lloc han participat en una pluja d\u2019idees on han exposat quines serien algunes de les caracter\u00edstiques de la riera que caldria estudiar per con\u00e8ixer el seu estat ecol\u00f2gic. Han ent\u00e8s que, per avaluar aquest ecosistema, cal analitzar tant els factors ambientals com els \u00e9ssers vius que hi trobem. Seguidament, s\u2019han dividit en grups de treball i han revisat tot el material necessari per dur a terme el seu estudi.<\/p>\n<p><span style=\"font-size: 16px;\">Arribats a la <\/span>riera, tots els grups han comen\u00e7at a prendre mesures de la temperatura de l\u2019aire i de l\u2019aigua, l\u2019olor, el color i la terbolesa de l\u2019aigua, aix\u00ed com l\u2019amplada, la fond\u00e0ria i la velocitat de l\u2019aigua. A continuaci\u00f3, s\u2019han fixat en els arbres i plantes que formen el bosc de ribera en aquest tram i han pensat en la import\u00e0ncia que tenen dins l\u2019ecosistema. Finalment han pogut capturar una bona mostra d\u2019invertebrats aqu\u00e0tics amb l\u2019ajuda dels salabrets i els pinzells: cargols de fang,\u00a0 gambetes d\u2019aigua dol\u00e7a, sabaters,\u00a0 nimfes d\u2019espiadimonis, larves de mosca negra i \u00a0Tamb\u00e9 han tingut la sort de capturar un animal ben curi\u00f3s: un an\u00e8l\u00b7lid cuc de terra.<\/p>\n<p style=\"font-size: 16px; font-style: normal; font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-24037 alignright\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/10\/IMG_7907-300x204.jpg\" alt=\"\" width=\"300\" height=\"204\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/10\/IMG_7907-300x204.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/10\/IMG_7907.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Un cop finalitzat el treball de camp, han tornat a Can Santoi per aconseguir identificar-los amb l\u2019ajuda de lupes binoculars i fitxes de suport. Amb tot aix\u00f2 han pogut avaluar la qualitat de l\u2019aigua de la riera de Vallvidrera i s\u2019han sorpr\u00e8s en obtenir una \u201cqualitat malalta\u201d. Arrel d\u2019aquestes conclusions han reflexionat sobre el nostre impacte en aquest i altres ecosistemes conscienciant-se de la import\u00e0ncia de mantenir-los nets.<\/p>\n<p>Finalment\u00a0 han tornat a alliberar sans i estalvis tots els animals capturats al seu h\u00e0bitat, on seguiran el seu cicle de vida.<\/p>\n<p>L\u2019enhorabona per la feina feta, fins la propera!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-24036 aligncenter\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/10\/IMG_7908-300x212.jpg\" alt=\"\" width=\"300\" height=\"212\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/10\/IMG_7908-300x212.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2025\/10\/IMG_7908.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avui dilluns 13 d\u2019octubre comencem setmana al Camp d\u2019Aprenentatge de Can Santoi\u00a0amb la visita de l\u2019escola Merc\u00e8 Rodoreda de Martorell. La classe \u201cLa Roca dreta\u201d de 6\u00e8 ha investigat a fons la Riera de Vallvidrera. Fa tot just una setmana ens van visitar els companys i companyes de 6\u00e8 i avui han completat l&#8217;estudi de [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":24037,"comment_status":"open","ping_status":"open","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":"default","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":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","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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