{"id":2641,"date":"2019-03-29T13:18:24","date_gmt":"2019-03-29T12:18:24","guid":{"rendered":"http:\/\/agora.xtec.cat\/escolalescometes\/?p=2641"},"modified":"2019-09-04T13:07:13","modified_gmt":"2019-09-04T11:07:13","slug":"experiments-l-erosio-del-sol","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/escolalescometes\/articles-cursos-anteriors\/curs-2018-19\/experiments-l-erosio-del-sol\/","title":{"rendered":"EXPERIMENTS : L&#8217; EROSI\u00d3 DEL S\u00d2L"},"content":{"rendered":"<p>El s\u00f2l \u00e9s un\u00a0<a href=\"http:\/\/ec.grec.net\/lexicx.jsp?GECART=0115138\"><strong><span class=\"TextMitja\">recurs natural<\/span><\/strong><\/a>, renovable a una escala temporal m\u00e9s llarga que l\u2019escala humana. \u00c9s essencial per a la producci\u00f3 d\u2019aliments, fibres i altres productes necessaris per a la vida humana, i pot esdevenir necessari per a la producci\u00f3 d\u2019energia renovable (biocombustibles). Compleix\u00a0 funcions vitals en els ecosistemes poc o no intervinguts i en els ecosistemes agr\u00edcoles.<\/p>\n<p>Les pluges torrencials\u00a0 cada vegada m\u00e9s freq\u00fcents en el<br \/>\nnostre clima mediterrani\u00a0 i la deforestaci\u00f3 s\u00f3n responsables de la p\u00e8rdua de s\u00f2l per erosi\u00f3.<\/p>\n<p>Aquest experiment demostra la relaci\u00f3 entre la precipitaci\u00f3, l&#8217;erosi\u00f3 del s\u00f2l i la protecci\u00f3 f\u00edsica que exerceix la vegetaci\u00f3 , tamb\u00e9 mostra els efectes que t\u00e9 l&#8217;arrossegament de sediments<br \/>\nsobre lleres d&#8217;aigua.<\/p>\n<p>Com podreu veure a les imatges la primera ampolla on hi ha molta vegetaci\u00f3 no arrossega terra i per tant surt l&#8217;aigua for\u00e7a neta. En les altres on la terra \u00e9s \u00e0rida i nua de vegetaci\u00f3 l&#8217;erosi\u00f3 \u00e9s evident\u00a0 i per aix\u00f2 a l&#8217;aigua hi trobem moltes restes de sorra.<\/p>\n<p>FOTOS:<\/p>\n<p><a href=\"https:\/\/thinfi.com\/8zre\">https:\/\/thinfi.com\/8zre<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: right;\"><strong>ELS NENS I NENES DE 5\u00c8<\/strong><\/p>\n<p style=\"text-align: right;\"><strong>CONEIXEMENT DEL MEDI<\/strong><br \/>\n<strong>\u00a0<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>El s\u00f2l \u00e9s un\u00a0<a href=\"http:\/\/ec.grec.net\/lexicx.jsp?GECART=0115138\">recurs natural<\/a>, renovable a una escala temporal m\u00e9s llarga que l\u2019escala humana. \u00c9s essencial per a la producci\u00f3 d\u2019aliments, fibres i altres productes necessaris per a la vida humana, i pot esdevenir necessari per a la producci\u00f3 d\u2019energia renovable (biocombustibles). Compleix\u00a0&hellip;  <a href=\"https:\/\/agora.xtec.cat\/escolalescometes\/articles-cursos-anteriors\/curs-2018-19\/experiments-l-erosio-del-sol\/\" title=\"Read EXPERIMENTS : L&#8217; EROSI\u00d3 DEL S\u00d2L\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":1,"featured_media":2646,"comment_status":"open","ping_status":"closed","sticky":true,"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,"footnotes":""},"categories":[79],"tags":[],"class_list":["post-2641","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-curs-2018-19"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/escolalescometes\/wp-json\/wp\/v2\/posts\/2641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/escolalescometes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/escolalescometes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolalescometes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolalescometes\/wp-json\/wp\/v2\/comments?post=2641"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/escolalescometes\/wp-json\/wp\/v2\/posts\/2641\/revisions"}],"predecessor-version":[{"id":2647,"href":"https:\/\/agora.xtec.cat\/escolalescometes\/wp-json\/wp\/v2\/posts\/2641\/revisions\/2647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolalescometes\/wp-json\/wp\/v2\/media\/2646"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/escolalescometes\/wp-json\/wp\/v2\/media?parent=2641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolalescometes\/wp-json\/wp\/v2\/categories?post=2641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/escolalescometes\/wp-json\/wp\/v2\/tags?post=2641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}