{"id":19343,"date":"2024-02-26T13:41:43","date_gmt":"2024-02-26T12:41:43","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=19343"},"modified":"2024-02-26T14:09:35","modified_gmt":"2024-02-26T13:09:35","slug":"investigant-la-riera-de-vallvidrera-des-de-dos-punts-de-vista","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/investigant-la-riera-de-vallvidrera-des-de-dos-punts-de-vista\/","title":{"rendered":"Trobem lib\u00e8l\u00b7lules i salamandres!"},"content":{"rendered":"<p>Avui, dilluns 19 de febrer de 2024, hem rebut al <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/\">CdA Can Santoi<\/a> els estudiants de la mat\u00e8ria de Biologia de 1r de Batxillerat dels instituts <a href=\"https:\/\/iesffg.cat\/\">Francesc Ferrer i Gu\u00e0rdia<\/a> i <a href=\"https:\/\/agora.xtec.cat\/insmartidot\/\">Mart\u00ed Dot <\/a>de Sant Joan Desp\u00ed i Sant Feliu de Llobregat, respectivament; han treballat conjuntament per avaluar l&#8217;actual <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/dinamica-dels-ecosistemes\/introduccio-a-la-limnologia-cursos-fluvials\/\" target=\"_blank\" rel=\"noopener\">estat ecol\u00f2gic de la riera de Vallvidrera.<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-19364 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/02\/4-5-161x300.jpg\" alt=\"\" width=\"250\" height=\"466\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/02\/4-5-161x300.jpg 161w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/02\/4-5.jpg 213w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/>Primer han contextualitzat l\u2019\u00e0rea a estudiar calculant la superf\u00edcie de la conca hidrogr\u00e0fica i esbrinant de quins materials geol\u00f2gics est\u00e0 formada. Despr\u00e9s s\u2019han organitzat en equips de treball i han revisat el material necessari per dur a terme l\u2019estudi de camp, tant dels par\u00e0metres fisicoqu\u00edmics (bi\u00f2top) com dels referents a la biodiversitat (biocenosi), per poder determinar la qualitat de l\u2019aigua de la riera.<\/p>\n<p>Un cop a la riera han recollit tot un seguit de dades organitzats per equips (coordenades UTM, temperatura de l&#8217;aire i de l&#8217;aigua, amplada, fond\u00e0ria, velocitat, transpar\u00e8ncia, olor, granulometria&#8230;) i han agafat mostres d\u2019aigua per completar l\u2019an\u00e0lisi al laboratori. Tamb\u00e9 han valorat l\u2019estat de conservaci\u00f3 de la vegetaci\u00f3 del bosc de ribera (mitjan\u00e7ant el QRISI). Finalment s\u2019han dedicat a capturar macroinvertebrats aqu\u00e0tics que posteriorment farien servir com a bioindicadors. Han aconseguit recol\u00b7lectar una gran diversitat d\u2019organismes: ef\u00edmeres, espiadimonis, cargols aqu\u00e0tics, gambes, larves de mosca negra, plan\u00e0ries, lib\u00e8l\u00b7lules, sabaters i fins i tot una salamandra!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-19345 alignright\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/02\/1-13-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/02\/1-13-225x300.jpg 225w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/02\/1-13.jpg 300w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/>Al laboratori han analitzat les mostres d&#8217;aigua per calcular par\u00e0metres com la duresa, la concentraci\u00f3 de nitrits, nitrats i fosfats, el pH, l&#8217;oxigen dissolt o la conductivitat (per con\u00e8ixer la mineralitzaci\u00f3) amb l\u2019ajuda dels kits de valoraci\u00f3 del <a href=\"http:\/\/www.projecterius.cat\/front\" target=\"_blank\" rel=\"noopener noreferrer\">Projecte Rius<\/a>.<\/p>\n<p>Han estudiat els macroinvertebrats capturats amb l\u2019ajut de lupes binoculars i fitxes identificatives per determinar el seu \u00edndex bi\u00f2tic. Amb tota aquesta informaci\u00f3 fisicoqu\u00edmica i biol\u00f2gica han determinat una qualitat mediocre de l\u2019aigua.<\/p>\n<p>Per acabar s\u2019han tornat a alliberar sans i estalvis tots els animals capturats al seu h\u00e0bitat, on seguiran el seu cicle de vida!<\/p>\n<p>Felicitats per la feina realitzada!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Avui, dilluns 19 de febrer de 2024, hem rebut al CdA Can Santoi els estudiants de la mat\u00e8ria de Biologia de 1r de Batxillerat dels instituts Francesc Ferrer i Gu\u00e0rdia i Mart\u00ed Dot de Sant Joan Desp\u00ed i Sant Feliu de Llobregat, respectivament; han treballat conjuntament per avaluar l&#8217;actual estat ecol\u00f2gic de la riera de [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":19346,"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":[395,393,399,397,1,424,29],"tags":[],"class_list":["post-19343","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aprendreambelscampsientorns","category-campsientornsdaprenentatge","category-projectecda","category-sortidacda","category-general","category-limnologia","category-portada"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/19343","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=19343"}],"version-history":[{"count":5,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/19343\/revisions"}],"predecessor-version":[{"id":19376,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/19343\/revisions\/19376"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media\/19346"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media?parent=19343"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/categories?post=19343"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/tags?post=19343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}