{"id":4744,"date":"2017-03-15T11:44:14","date_gmt":"2017-03-15T10:44:14","guid":{"rendered":"http:\/\/blocs.xtec.cat\/cdacansantoi\/?p=4744"},"modified":"2017-03-15T11:44:14","modified_gmt":"2017-03-15T10:44:14","slug":"practiques-decologia-forestal-amb-linstitut-de-corbera-de-llobregat","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/activitats\/practiques-decologia-forestal-amb-linstitut-de-corbera-de-llobregat\/","title":{"rendered":"Pr\u00e0ctiques d&#8217;ecologia forestal amb l&#8217;Institut de Corbera de Llobregat"},"content":{"rendered":"<p style=\"text-align: justify;\"><a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/03\/IMG_20170310_115611_br.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-4748\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/03\/IMG_20170310_115611_br.jpg\" alt=\"img_20170310_115611_br\" width=\"350\" height=\"285\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/03\/IMG_20170310_115611_br.jpg 350w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/03\/IMG_20170310_115611_br-300x244.jpg 300w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/a>El passat 10 de mar\u00e7, un grup redu\u00eft d&#8217;alumnes de 2n de Batxillerat d&#8217;aquest institut, acompanyats de les seves professores, van portar a terme un treball d&#8217;ecologia de camp que tenia per finalitat caracteritzar l&#8217;estat actual d&#8217;un bosc de pi blanc i elaborar propostes per a dur-hi a terme una gesti\u00f3 forestal adequada. Aix\u00f2 va implicar:<\/p>\n<ul>\n<li style=\"text-align: justify;\">Classificar els arbres en classes diam\u00e8triques (concepte m\u00e9s o menys equivalent a les seves edats) i analitzar la seva freq\u00fc\u00e8ncia.<\/li>\n<li style=\"text-align: justify;\">Calcular la biomassa del bosc (kg\/ha)<\/li>\n<li style=\"text-align: justify;\">Calcular la producci\u00f3 (kg\/ha\/any).<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Vam escollir una parcel\u00b7la de bosc propera al Camp d&#8217;Aprenentatge. Els alumnes van mesurar la seva \u00e0rea mitjan\u00e7ant t\u00e8cniques de cartografia digital.<br \/>\nEs van distribuir la totalitat d&#8217;arbres presents entre els diferents grups d&#8217;alumnes. Per a calcular la biomassa de cada arbre havien de mesurar el seu <strong>di\u00e0metre<\/strong> (mitjan\u00e7ant una cinta\u00a0\u03c0) i la seva<strong> al\u00e7ada<\/strong> (mitjan\u00e7ant c\u00e0lculs trigonom\u00e8trics i l&#8217;ajut d&#8217;un clin\u00f2metre).<\/p>\n<p style=\"text-align: justify;\">Per a calcular la producci\u00f3 els calia con\u00e8ixer la biomassa que tenien els arbres un cert temps enrere, \u00e9s a dir, el seu di\u00e0metre i la seva al\u00e7ada d&#8217;aquell moment. Per a calcular-la van mesurar els di\u00e0metres a partir de mostres d&#8217;anells de creixement dels arbres (extretes amb barrines de Pressler, o amb mostres de &#8220;llesques&#8221; de pins de la zona) i les al\u00e7ades a partir d&#8217;una equaci\u00f3 de creixement dels arbres (obtinguda a partir de les dades reals d&#8217;al\u00e7ades actuals).<\/p>\n<p style=\"text-align: justify;\"><a href=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/03\/classes_diametriques.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4749\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/03\/classes_diametriques.jpg\" alt=\"classes_diametriques\" width=\"753\" height=\"466\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/03\/classes_diametriques.jpg 753w, https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-content\/uploads\/usu1385\/2017\/03\/classes_diametriques-300x186.jpg 300w\" sizes=\"auto, (max-width: 753px) 100vw, 753px\" \/><\/a>Els resultats obtinguts ens van sorprendre una mica ja que nom\u00e9s hi havia arbres \u00a0o b\u00e9 molt joves o b\u00e9 molt vells. La interpretaci\u00f3 no era f\u00e0cil per\u00f2 van sorgir diverses possibles explicacions entre els alumnes<\/p>\n<p style=\"text-align: justify;\">Va ser un grup amb un gran nivell de comprensi\u00f3 de tota la metodologia emprada i amb molta capacitat anal\u00edtica. Felicitats!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El passat 10 de mar\u00e7, un grup redu\u00eft d&#8217;alumnes de 2n de Batxillerat d&#8217;aquest institut, acompanyats de les seves professores, van portar a terme un treball d&#8217;ecologia de camp que tenia per finalitat caracteritzar l&#8217;estat actual d&#8217;un bosc de pi blanc i elaborar propostes per a dur-hi a terme una gesti\u00f3 forestal adequada. Aix\u00f2 va [&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":[262,265],"tags":[],"class_list":["post-4744","post","type-post","status-publish","format-standard","hentry","category-activitats","category-visites"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/4744","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=4744"}],"version-history":[{"count":0,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/posts\/4744\/revisions"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/media?parent=4744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/categories?post=4744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-cansantoi\/wp-json\/wp\/v2\/tags?post=4744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}