{"id":39798,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/el-arbol-de-la-quina-cinchona-spp\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"el-arbol-de-la-quina-cinchona-spp","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/el-arbol-de-la-quina-cinchona-spp\/","title":{"rendered":"El arbol de la quina (cinchona spp.)."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alfonso Garmendia Salvador <\/strong><\/h2>\n<p>El g\u00e9nero cinchona se distribuye a lo largo de la zona tropical y ecuatorial de la cordillera de los andes, desde los 12 grados de latitud norte hasta los 20 grados de latitud sur. Esta distribuci\u00f3n coincide a grandes rasgos con la distribuci\u00f3n del \u00abbosque nublado\u00bb en esta \u00e1rea. Las distintas especies de este g\u00e9nero tienen diferentes tama\u00f1os de \u00e1rea de distribuci\u00f3n, encontr\u00e1ndose desde especies de muy amplia distribuci\u00f3n hasta especies end\u00e9micas de territorios muy restringidos. Las especies con \u00e1reas de distribuci\u00f3n de tama\u00f1o restringido suelen presentar fronteras latitudinales en las que varias de estas especies tienen los l\u00edmites de su \u00e1rea de distribuci\u00f3n. Considerando los tama\u00f1os de las \u00e1reas de distribuci\u00f3n de las diferentes especies, se infiere que la mayor parte de las especies del g\u00e9nero cinchona tienen car\u00e1cter end\u00e9mico. Estos endemismosse concentran en la regi\u00f3n sur de ecuador, entre 2.500 y 3.000 m de altitud, donde la nubosidad es m\u00e1s permanente que en las zonas bajas.  en relaci\u00f3n con el tipo de bosque de las diferentes especies se ha comprobado que las formaciones vegetales donde aparecen algunas especies del g\u00e9nero cinchona tienen un cortejo flor\u00edstico propio y espec\u00edfico mientras que otras especies comparten cortejos flor\u00edsticos similares. las diferencias flor\u00edsticas en los bosques en los que se encuentra el g\u00e9nero cinchona poseen un gradiente de variaci\u00f3n que se encuentra bien caracterizado por diferentes variables como la altitud, latitud, tipo de suelo y de roca madre, temperatura del suelo y humedad del suelo. Las variables que tienen una escala de actuaci\u00f3n m\u00e1s general (altitud, latitud, orientaci\u00f3n, tipo de suelo y de roca madre y las caracter\u00edsticas del suelo) determinan la distribuci\u00f3n de las diferentes especies, mientras que las variables que act\u00faan a escala m\u00e1s local (pendiente, descripci\u00f3n de la pendiente, posici\u00f3n en la ladera, estado de degradaci\u00f3n del bo<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>El arbol de la quina (cinchona spp.).<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 El arbol de la quina (cinchona spp.). <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alfonso Garmendia Salvador <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Joaquin Fern\u00e1ndez P\u00e9rez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: salvador Rivas mart\u00ednez <\/li>\n<li> Blanco fernandez de caleya paloma (vocal)<\/li>\n<li>helios Sainz ollero (vocal)<\/li>\n<li>Francisco Pelayo lopez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alfonso Garmendia Salvador El g\u00e9nero cinchona se distribuye a lo largo de la zona tropical y ecuatorial [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"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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