{"id":19927,"date":"2024-04-19T11:30:18","date_gmt":"2024-04-19T09:30:18","guid":{"rendered":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/?p=19927"},"modified":"2024-04-19T11:30:18","modified_gmt":"2024-04-19T09:30:18","slug":"perenne-al-nord-caduca-al-sud","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/general\/perenne-al-nord-caduca-al-sud\/","title":{"rendered":"Perenne al nord, caduca al sud"},"content":{"rendered":"<p style=\"font-weight: 400;\">L\u2019alumnat de 1r de batxillerat de l\u2019<a href=\"https:\/\/agora.xtec.cat\/insfortpius\/\">Institut Fort Pius<\/a> de Barcelona ha vingut avui, dimecres 17 d\u2019abril, a realitzar un estudi sobre l\u2019ecologia de <a href=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/ambits\/mon-vegetal-fongs\/les-comunitats-vegetals-eso\/\" target=\"_blank\" rel=\"noopener noreferrer\">les comunitats vegetals<\/a> que es troben als dos vessants de la riera de Vallvidrera, ubicada a la Serra de Collserola.<\/p>\n<p style=\"font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-19929 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/04\/2-19.jpg\" alt=\"\" width=\"214\" height=\"161\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/04\/2-19.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/04\/2-19-200x150.jpg 200w\" sizes=\"auto, (max-width: 214px) 100vw, 214px\" \/>En primer lloc, han exposat diverses hip\u00f2tesis inicials en relaci\u00f3 a les possibles difer\u00e8ncies entre els vessants de solell i d\u2019obaga: quines serien les condicions ambientals que caracteritzarien cada vessant, quins trets presentarien les plantes segons aquestes condicions i quin tipus de comunitat vegetal trobarien a cadascun dels vessants.<\/p>\n<p style=\"font-weight: 400;\">Organitzats en 4 grups de treball, han revisat tot el material necessari per dur a terme les corresponents investigacions al camp. Dos dels grups han anat al vessant de solell i els altres dos s\u2019han dirigit al vessant d\u2019obaga, on han mesurat diversos par\u00e0metres ambientals com ara la temperatura de l\u2019aire, la del s\u00f2l, la humitat relativa, la intensitat de la llum, la velocitat del vent i l\u2019orientaci\u00f3 de cada vessant.<\/p>\n<p style=\"font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright  wp-image-19930\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/04\/3-17.jpg\" alt=\"\" width=\"251\" height=\"188\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/04\/3-17.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/04\/3-17-200x150.jpg 200w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/>Despr\u00e9s, han fet un inventari de les plantes m\u00e9s representatives de cada vessant omplint una fitxa descriptiva per cadascuna d\u2019elles. Tamb\u00e9 han agafat mostres de fulles per determinar posteriorment el seu contingut h\u00eddric, tot pesant les fulles fresques amb una balan\u00e7a, assecant-les durant una hora i, finalment, pesant-les despr\u00e9s de sortir de l\u2019estufa de dessecaci\u00f3 per tal de con\u00e8ixer la quantitat d\u2019aigua evaporada.<\/p>\n<p style=\"font-weight: 400;\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-19935 alignleft\" src=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/04\/4-13.jpg\" alt=\"\" width=\"260\" height=\"195\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/04\/4-13.jpg 300w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2024\/04\/4-13-200x150.jpg 200w\" sizes=\"auto, (max-width: 260px) 100vw, 260px\" \/>Amb totes les dades recollides han pogut verificar i\/o refutar les seves hip\u00f2tesis inicials sobre les condicions abi\u00f2tiques de cada vessant, les adaptacions que presenten les plantes que hi viuen i esbrinar el nom de la comunitat vegetal que caracteritza cadascun dels vessants. Un cop a l\u2019institut, juntament amb els recursos del CdA, podran elaborar un perfil de la vegetaci\u00f3 i fer un an\u00e0lisi estad\u00edstic de les dades incloent diversos gr\u00e0fics comparatius.<\/p>\n<p style=\"font-weight: 400;\">Aquesta experi\u00e8ncia els ha servit per posar en pr\u00e0ctica el m\u00e8tode cient\u00edfic, tot integrant el treball de camp i de laboratori, amb el corresponent tractament de dades. L\u2019enhorabona per la feina feta!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u2019alumnat de 1r de batxillerat de l\u2019Institut Fort Pius de Barcelona ha vingut avui, dimecres 17 d\u2019abril, a realitzar un estudi sobre l\u2019ecologia de les comunitats vegetals que es troben als dos vessants de la riera de Vallvidrera, ubicada a la Serra de Collserola. En primer lloc, han exposat diverses hip\u00f2tesis inicials en relaci\u00f3 a [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":19928,"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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