{"id":10768,"date":"2019-03-27T09:51:01","date_gmt":"2019-03-27T08:51:01","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=10768"},"modified":"2019-03-27T09:51:01","modified_gmt":"2019-03-27T08:51:01","slug":"estudiem-a-fons-la-riera-de-valvidrera","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/estudiem-a-fons-la-riera-de-valvidrera\/","title":{"rendered":"Estudiem a fons la riera de Valvidrera"},"content":{"rendered":"<p>El dimarts 26 de mar\u00e7 els alumnes de 2n de batxillerat de l\u2019optativa de Biologia dels instituts <strong>Mart\u00ed Dot<\/strong> de Sant Feliu de Llobregat i <strong>Fort Pius <\/strong>de Barcelona han fet un\u00a0<a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/dinamica-dels-ecosistemes\/introduccio-a-la-limnologia-cursos-fluvials\/\">estudi limnol\u00f2gic de la riera de Vallvidrera<\/a>\u00a0i han seguit els protocols d\u2019inspecci\u00f3 de les campanyes del<a href=\"http:\/\/www.projecterius.cat\/inici\/\">\u00a0Projecte Rius.<\/a><\/p>\n<p><a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/03\/IMG_6666bis.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10771 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/03\/IMG_6666bis.jpg\" alt=\"\" width=\"300\" height=\"207\" \/><\/a>Han comen\u00e7at posant en com\u00fa les seves idees sobre quines serien els elements necessaris estudiar. En aquesta introducci\u00f3 han calculat la superf\u00edcie de la conca hidrogr\u00e0fica, han esbrinat la geologia del terreny i per grups han revisat l\u2019inventari del material\u00a0 de camp necessari.<\/p>\n<p>Un cop a la riera han agafat diferents mesures com: temperatura de l\u2019aire i de l\u2019aigua, velocitat de l\u2019aigua, tipus de substrat, fond\u00e0ria i amplada de la riera. Tamb\u00e9 han recollit mostres d\u2019aigua per un cop al laboratori, obtenir par\u00e0metres com:\u00a0 duresa, conductivitat, mineralitzaci\u00f3, concentraci\u00f3 de nitrits i fosfats. Amb els kits de valoraci\u00f3 del Projecte Rius han determinat el pH aix\u00ed com la concentraci\u00f3 de nitrats i oxigen dissolt.<a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/03\/FullSizeRenderbis-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-10772 alignright\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2019\/03\/FullSizeRenderbis-1.jpg\" alt=\"\" width=\"225\" height=\"300\" \/><\/a><\/p>\n<p>Seguidament, han observat la vegetaci\u00f3 de ribera i amb l\u2019ajut dels protocols QRISI han pogut valorar l\u2019\u00edndex de qualitat del bosc de ribera. Per \u00faltim, els alumnes han agafat els salabrets per capturar macroinvertebrats aqu\u00e0tics per tal de poder-los estudiar en el laboratori i poder esbrinar la qualitat de l\u2019aigua a partir dels \u00edndexs bi\u00f2tics. En aquest cas ha donat una qualitat mediocre.<\/p>\n<p>Finalment han tornat tots els animals vius al seu medi.<\/p>\n<p>Han apr\u00e8s molt en aquesta activitat did\u00e0ctica fora d\u2019aules!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El dimarts 26 de mar\u00e7 els alumnes de 2n de batxillerat de l\u2019optativa de Biologia dels instituts Mart\u00ed Dot de Sant Feliu de Llobregat i Fort Pius de Barcelona han fet un\u00a0estudi limnol\u00f2gic de la riera de Vallvidrera\u00a0i han seguit els protocols d\u2019inspecci\u00f3 de les campanyes del\u00a0Projecte Rius. Han comen\u00e7at posant en com\u00fa les seves [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":10770,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[296,288,1,29],"tags":[],"class_list":["post-10768","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-collserola","category-ecosistemes","category-general","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/10768","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/comments?post=10768"}],"version-history":[{"count":3,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/10768\/revisions"}],"predecessor-version":[{"id":10774,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/10768\/revisions\/10774"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media\/10770"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media?parent=10768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/categories?post=10768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/tags?post=10768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}