{"id":30612,"date":"2004-09-06T00:00:00","date_gmt":"2004-09-06T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/los-suelos-desarrollados-sobre-serpentinitas-y-su-relacion-con-la-flora-endemica\/"},"modified":"2004-09-06T00:00:00","modified_gmt":"2004-09-06T00:00:00","slug":"los-suelos-desarrollados-sobre-serpentinitas-y-su-relacion-con-la-flora-endemica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/santiago-de-compostela\/los-suelos-desarrollados-sobre-serpentinitas-y-su-relacion-con-la-flora-endemica\/","title":{"rendered":"Los suelos desarrollados sobre serpentinitas y su relaci\u00f3n con la flora end\u00e9mica"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Wagner Pe\u00f1a Cordero <\/strong><\/h2>\n<p>En galicia, los suelos desarrollados sobre serpentinitas llaman la atenci\u00f3n por su alto grado de infertilidad, con comparaci\u00f3n con los desarrollados sobre otros materiales. El mieneral principal en los suelos serpentinitas es la serpentnitas, que designa a un grupo de minerales polimorfos cuyas especies m\u00e1s conocidas e importantes son el crisotilo o serpentina fibrosa y la antigorita o serpentina hojosa o laminar. Se trata de filoilicatos 1:1 triocta\u00e9ndricos, cuyo cati\u00f3n principal es el mg rodeado de 6 grupos oh- y o=(coordinaci\u00f3n n=6) y cuya f\u00f3rmula qu\u00edmica es mg6(oh)8si4o10; no obstante, hay presencia de otros minerales. Pero no s\u00f3lo tienen una mineralog\u00eda diversa sino que tambi\u00e9n var\u00eda considerablemente su composici\u00f3n qu\u00edmica.  los suelos son considerados \u00abferromagn\u00e9sicos\u00bb por su alto contenido en fe y mg, asismimo, presentan altos niveles de ni, cr y otros metales y concentraciones bajas de ca, k, n, p y materia org\u00e1nica. A menudo, peque\u00f1as variaciones de estos elementos pueden tener efectos importantes en la capacidad de los suelos para soportar una vegetaci\u00f3n determinada.  en el marco de un estudio sobre la conservaci\u00f3n de la flora end\u00e9mica de galicia y su h\u00e1bital, se analiz\u00f3 la variaci\u00f3n del estado nutricional, la actividad biol\u00f3gicas y el contenido total de metales en una serie de suelos naturales desarrollados sobre serpentinitas, donde habitualmente se encuentran los endemismos m\u00e1s raros y amenazados de galicia; adem\u00e1s, algunas est\u00e1n en serio peligro de extinci\u00f3n. En la zona de melide (sureste de la provincia de a coru\u00f1a), se encuentran las poblaciones de los endemismos conocidos como santolina melidensis rodr. -Oubi\u00f1a &amp; s.Ortiz (fam. Asteraceae), armeria merinoi (bernis) nieto &amp; silva-pando, centaurea janeri graells subsp gallaecica la\u00ednz, leucanthemum gallaecicum rod. -Oubi\u00f1a &amp; s.Ortiz, y sagina merinoi pau ex merino, que son taxones catalogados en peligro cr\u00edtico (cr) por la uicn e<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Los suelos desarrollados sobre serpentinitas y su relaci\u00f3n con la flora end\u00e9mica<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Los suelos desarrollados sobre serpentinitas y su relaci\u00f3n con la flora end\u00e9mica <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Wagner Pe\u00f1a Cordero <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Santiago de compostela<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 09\/06\/2004<\/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> Leiros De La Pe\u00f1a  Mar\u00eda  Carmen<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda teresa Hern\u00e1ndez fern\u00e1ndez <\/li>\n<li> Rodriguez oubi\u00f1a Juan  Jos\u00e9 (vocal)<\/li>\n<li> Lugo de la fuente Jorge  Alberto (vocal)<\/li>\n<li> L\u00f3pez l\u00f3pez isabel Mar\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Wagner Pe\u00f1a Cordero En galicia, los suelos desarrollados sobre serpentinitas llaman la atenci\u00f3n por su alto grado [&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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