{"id":3414,"date":"2015-11-20T12:00:42","date_gmt":"2015-11-20T11:00:42","guid":{"rendered":"http:\/\/blocs.xtec.cat\/cdacansantoi\/?p=3414"},"modified":"2015-11-20T12:00:42","modified_gmt":"2015-11-20T11:00:42","slug":"les-comunitats-vegetals-a-la-serra-de-collserola","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/visites\/les-comunitats-vegetals-a-la-serra-de-collserola\/","title":{"rendered":"Les Comunitats Vegetals a la Serra de Collserola"},"content":{"rendered":"<p style=\"text-align: justify;\"><a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2015\/11\/15.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-3421\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2015\/11\/15.jpg\" alt=\"15\" width=\"215\" height=\"163\" \/><\/a>Els dies 11,12,17,18 i 19 de novembre els alumnes de 1r d&#8217;ESO de l&#8217;Institut Olorda de Sant Feliu de Llobregat han realitzat un estudi de les condicions ambientals i de la vegetaci\u00f3 dels vessants de solell i obaga en una zona de Collserola: la vall de la riera de Vallvidrera, a la Rierada.<\/p>\n<p style=\"text-align: justify;\">Abans d&#8217;esmorzar han fet hip\u00f2tesis de les condicions mediambientals en cada vessant i del tipus de plantes que ens trobariem. Tamb\u00e9 han predit quina seria la millor manera de dur a terme la recollida de dades i el material que necessitar\u00edem per fer-ho.<\/p>\n<p style=\"text-align: justify;\"><a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2015\/11\/f32.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-3422 \" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2015\/11\/f32.jpg\" alt=\"f32\" width=\"184\" height=\"140\" \/><\/a>Despr\u00e9s d&#8217;esmorzar han agafat motxilles i suports i han anat plegats fins al pont de la Siberia on s&#8217;han separat: els grups 1, 2 i 3 han anat cap el vessant de solell i els grups 4, 5 i 6 cap el vessant d&#8217;obaga.<\/p>\n<p style=\"text-align: justify;\">Un cop a cada vessant se&#8217;ls ha explicat la millor manera de recollir dades i el funcionament de cada instrument:<\/p>\n<p style=\"text-align: justify;\">&#8211; El term\u00f2metre ha d&#8217;estar a un metre del terra i no li pot tocar el Sol.<br \/>\n&#8211; En l&#8217;anem\u00f2metre cal posar-nos en posici\u00f3 de &#8220;l&#8217;Est\u00e0tua de la Llibertat&#8221; i pressionar el bot\u00f3 vermell quan les cassoletes es mouen a m\u00e9s velocitat. Tamb\u00e9 cal tenir en compte d&#8217;escollir les unitats adequades.<br \/>\n&#8211; Al psicr\u00f2metre cal mullar primer la veta i despr\u00e9s moure&#8217;l com si fos una matraca; al cap d&#8217;un minut fer la difer\u00e8ncia entre la temperatura del term\u00f2metre en sec i l&#8217;humit i amb l&#8217;ajuda d&#8217;una taula calcular la humitat relativa.<br \/>\n&#8211; El lux\u00f2metre, cal evitar orientar-lo directament al Sol. Encendre&#8217;l, seleccionar el rang adequat de mesura<a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2015\/11\/f35.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-3423\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2015\/11\/f35.jpg\" alt=\"f35\" width=\"238\" height=\"181\" \/><\/a>\u00a0i fixar la dada amb la tecla &#8220;hold&#8221;.<br \/>\n&#8211; Amb la br\u00faixola cal encarar-se a la baixada per saber\u00a0l&#8217;orientaci\u00f3 del vessant onens trobem.<\/p>\n<p style=\"text-align: justify;\">La segona part ha consistit en fer un estudi de la vegetaci\u00f3 dels vessants: en una parcel\u00b7la d&#8217;uns 100 m2 seleccionem les 10 plantes m\u00e9s significatives i les identifiquem i descrivim, especialment pel que fa a les seves caracter\u00edstiques morfol\u00f2giques d&#8217;adaptaci\u00f3 al medi. Tamb\u00e9 quantifiquem la seva abund\u00e0ncia.<\/p>\n<p style=\"text-align: justify;\">Despr\u00e9s han tornat al laboratori on han compartit les dades i\u00a0han\u00a0verificat les hip\u00f2tesis inicials. Tamb\u00e9 han comprovat quines plantes de cada vessant contenen m\u00e9s aigua pesant-les abans i despr\u00e9s de dessecar-les en un forn a 110\u00baC.<\/p>\n<p style=\"text-align: justify;\">El programari que han utilitzat per a fer aquesta activitat ha estat elaborat per l&#8217;equip docent de Can Santoi i es troba disponible al web:<br \/>\n&#8211;<a href=\"http:\/\/www.xtec.cat\/cda-cansantoi\/Inveam.xls\" target=\"_blank\"> Programa (excel) per a fer l&#8217;inventari de la vegetaci\u00f3 dels vessants<\/a>.<br \/>\n&#8211;<a href=\"http:\/\/www.xtec.cat\/cda-cansantoi\/Contingut_aigua_fulles.xls\" target=\"_blank\"> Programa (excel) per a calcular el contingut d&#8217;aigua a les fulles<\/a><br \/>\n&#8211; <a href=\"http:\/\/www.xtec.cat\/cda-cansantoi\/documents\/programes\/perfilcv.swf\" target=\"_blank\">Programa (flash) per a fer perfils de vegetaci\u00f3<\/a><\/p>\n<p style=\"text-align: justify;\">Han estat uns grups molt din\u00e0mics i valents, ja que han pujat i baixat a peu des de l&#8217;estaci\u00f3 de Molins de Rei.<\/p>\n<p style=\"text-align: justify;\">Des de Can Santoi volem felicitar als alumnes, professores i professor que han participat en aquesta activitat!!!<\/p>\n<p style=\"text-align: justify;\">Fins l&#8217;any vinent!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Els dies 11,12,17,18 i 19 de novembre els alumnes de 1r d&#8217;ESO de l&#8217;Institut Olorda de Sant Feliu de Llobregat han realitzat un estudi de les condicions ambientals i de la vegetaci\u00f3 dels vessants de solell i obaga en una zona de Collserola: la vall de la riera de Vallvidrera, a la Rierada. Abans d&#8217;esmorzar [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"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":"","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":[265],"tags":[],"class_list":["post-3414","post","type-post","status-publish","format-standard","hentry","category-visites"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/3414","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=3414"}],"version-history":[{"count":0,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/3414\/revisions"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media?parent=3414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/categories?post=3414"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/tags?post=3414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}