{"id":8969,"date":"2017-04-08T13:18:15","date_gmt":"2017-04-08T11:18:15","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/?page_id=8969"},"modified":"2026-04-15T09:39:08","modified_gmt":"2026-04-15T07:39:08","slug":"activitat-el-bosc-estudi-dun-ecosistema","status":"publish","type":"page","link":"https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/tematiques\/activitat-el-bosc-estudi-dun-ecosistema\/","title":{"rendered":"Activitat: Biomassa, gesti\u00f3 d&#8217;un espai forestal"},"content":{"rendered":"\n<figure class=\"wp-block-image aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"250\" src=\"http:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-content\/uploads\/usu1364\/2017\/04\/Ecosistema.png\" alt=\"Ecosistema\" class=\"wp-image-8970\" style=\"width:656px;height:auto\" srcset=\"https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-content\/uploads\/usu1364\/2017\/04\/Ecosistema.png 1000w, https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-content\/uploads\/usu1364\/2017\/04\/Ecosistema-300x75.png 300w, https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-content\/uploads\/usu1364\/2017\/04\/Ecosistema-768x192.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-background has-fixed-layout\" style=\"background-color:#96c856;border-style:none;border-width:0px\"><tbody><tr><td><strong>MODALITATS:<\/strong><\/td><\/tr><tr><td>Estada<\/td><\/tr><tr><td>Sortida d&#8217;un dia<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Nivells: (Cliqueu per visualitzar&nbsp;la fitxa de l&#8217;activitat)<\/strong><\/h5>\n\n\n\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/0B3bKbe2nPP6oOE5sRk1kWFVWaW8\/view?usp=sharing\">Batxillerat<\/a><\/p>\n\n\n\n<p><em>*Adaptable al 2n cicle d&#8217;ESO<\/em><\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Desenvolupament de l&#8217;activitat:<\/strong><\/h5>\n\n\n\n<p>Fer l\u2019estudi d\u2019un ecosistema a partir d\u2019una parcel\u00b7la d\u2019inventari. Caracteritzar-lo i determinar la diversitat vegetal existent, prenent com a refer\u00e8ncia dues comunitats vegetals diferents i representatives de la zona. Per exemple: una on hi domini la vegetaci\u00f3 arb\u00f2ria i una altra l\u2019arbustiva, o b\u00e9, una amb vegetaci\u00f3 de solell i l\u2019altra d\u2019obaga.<\/p>\n\n\n\n<p>El treball s\u2019inicia amb l\u2019observaci\u00f3 del bosc i la tria del lloc adient per marcar una parcel\u00b7la de 10X10m que ser\u00e0 l\u2019objecte de l\u2019estudi. Posteriorment a sobre un mapa topogr\u00e0fic es localitza i situa la zona de treball, i es determinen les caracter\u00edstiques f\u00edsiques de la parcel\u00b7la (orientaci\u00f3 del vessant, pendent, quantitat de llum que arriba, estatge de vegetaci\u00f3, etc.). S\u2019identifiquen les plantes de la parcel\u00b7la i s\u2019elabora un inventari (arbres, arbusts i lianes). Es fa un esquema de la distribuci\u00f3 de les diferents plantes dins d\u2019aquest espai.<\/p>\n\n\n\n<p>Tamb\u00e9 s\u2019introdueixen t\u00e8cniques de treball utilitzades en la gesti\u00f3 forestal: identificaci\u00f3 de l\u2019arbre dominant i l\u2019arbre tipus, c\u00e0lcul de la classe diametral, volum de fusta present, c\u00e0lcul de la biomassa arb\u00f2ria de la parcel\u00b7la, objectius&nbsp;silv\u00edcoles de gesti\u00f3 del bosc&#8230; S\u2019introdueixen aspectes relacionats amb la intervenci\u00f3 humana en els boscos i el paisatge.&nbsp;Es calcula l\u2019\u00edndex de diversitat de cada parcel\u00b7la i es comparen els resultats. S\u2019aprofita tamb\u00e9 per observar i identificar rastres, restes o signes de vida animal que ens poden ajudar a elaborar posteriorment una xarxa tr\u00f2fica.<\/p>\n\n\n\n<p>L\u2019estudi utilitza les t\u00e8cniques habituals en el treball forestal de camp com l\u2019observaci\u00f3, la recollida de mostres, la identificaci\u00f3, la manipulaci\u00f3 d\u2019aparells, la utilitzaci\u00f3 d\u2019herbaris i altres guies d\u2019identificaci\u00f3, la presa de mesures i la recollida de dades.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Observacions:<\/strong><\/h5>\n\n\n\n<p>Es tracta d\u2019un treball que t\u00e9 una durada de tot un mat\u00ed. El despla\u00e7ament fins el lloc de treball es realitza a peu o en algun tipus de transport, segons la llunyania. Els alumnes han de con\u00e8ixer perfectament les difer\u00e8ncies entre arbres, arbusts, lianes i herbes.<\/p>\n\n\n\n<p>Cal haver treballat abans el concepte d\u2019ecosistema i les relacions que s\u2019estableixen entre els diferents components del mateix (part abi\u00f2tica: s\u00f2l, aigua, llum, humitat, temperatura, etc. \u2013 part bi\u00f2tica: animals, plantes i fongs, etc.) Seria interessant que coneguessin el concepte de xarxa tr\u00f2fica per a poder elaborar-ne alguna.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>Enlla\u00e7os:<\/strong><\/h5>\n\n\n\n<p><a href=\"https:\/\/drive.google.com\/file\/d\/0B3bKbe2nPP6oZ2VULUhRUVVMSXM\/view?usp=sharing\">Quadern<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>MODALITATS: Estada Sortida d&#8217;un dia Nivells: (Cliqueu per visualitzar&nbsp;la fitxa de l&#8217;activitat) Batxillerat *Adaptable al 2n cicle d&#8217;ESO Desenvolupament de l&#8217;activitat: Fer l\u2019estudi d\u2019un ecosistema a partir d\u2019una parcel\u00b7la d\u2019inventari. Caracteritzar-lo i determinar la diversitat vegetal existent, prenent com a refer\u00e8ncia dues comunitats vegetals diferents i representatives de la zona. Per exemple: una on hi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":8235,"menu_order":25,"comment_status":"closed","ping_status":"closed","template":"","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":"default","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":"set","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":""},"class_list":["post-8969","page","type-page","status-publish","hentry"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-json\/wp\/v2\/pages\/8969","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-json\/wp\/v2\/comments?post=8969"}],"version-history":[{"count":6,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-json\/wp\/v2\/pages\/8969\/revisions"}],"predecessor-version":[{"id":15572,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-json\/wp\/v2\/pages\/8969\/revisions\/15572"}],"up":[{"embeddable":true,"href":"https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-json\/wp\/v2\/pages\/8235"}],"wp:attachment":[{"href":"https:\/\/serveiseducatius.xtec.cat\/cda-altbergueda\/wp-json\/wp\/v2\/media?parent=8969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}