{"id":74223,"date":"2018-03-09T23:19:15","date_gmt":"2018-03-09T23:19:15","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/influencia-del-cultivo-de-mejillon-en-bateas-en-los-fondos-sedimentarios-de-la-ria-de-pontevedra\/"},"modified":"2018-03-09T23:19:15","modified_gmt":"2018-03-09T23:19:15","slug":"influencia-del-cultivo-de-mejillon-en-bateas-en-los-fondos-sedimentarios-de-la-ria-de-pontevedra","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/influencia-del-cultivo-de-mejillon-en-bateas-en-los-fondos-sedimentarios-de-la-ria-de-pontevedra\/","title":{"rendered":"Influencia del cultivo de mejill\u00f3n en bateas en los fondos sedimentarios de la r\u00eda de pontevedra."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Ivan Martin Leon Luna <\/strong><\/h2>\n<p>En la r\u00eda de pontevedra desde hace m\u00e1s de treinta a\u00f1os se ha venido cultivando con gran \u00e9xito el mejill\u00f3n mytilus galloprovincialis. Se estudio la influencia de esta actividad acu\u00edcola en el registro sedimentario reciente sobre diversas propiedades f\u00edsico-qu\u00edmicas. Se ha hecho especial hincapi\u00e9 en la especiaci\u00f3n de los metales pesados ( fe, mn, ni, cu, cr, zn, pb, as, y hg), combinando diversas t\u00e9cnicas de extracci\u00f3n secuencial. Se escogieron cuatro testigos de gravedad en zonas de cultivo y tres testigos en \u00e1reas no sometidas a la mitilicultura. Los resultados indican que bajo los fondos de bateas se acumula una mayor cantidad de minerales autig\u00e9nicos como la pirita, materiales finos y carbono org\u00e1nico que en las \u00e1reas no sometidas a esta actividad acu\u00edcola, ocasionando condiciones reductoras y un mayor grado de anoxia en el sedimento. Los sistemas de bateasa actu\u00e1n como un sumidero de elementos qu\u00edmicos, encontr\u00e1ndose un enriquecimiento superficial de los metales pesados cu, cr, pb y zn. El grado de piritizaci\u00f3n (dop) es elevado, siendo mayor en los fondos de bateas que en las zonas libres de bateas. El ambiente sedimentaio geoqu\u00edmico defindo por el dop es \u00f3xido en las zonas libres de bateas, mientras que en las zonas con bateas vari\u00f3 entrre sub\u00f3xico a an\u00f3xico. La mitilicultura tambi\u00e9n influye en la especiaci\u00f3n de los metales pesados. En las zonas sin bateas los metales pesados predominaron en la fracci\u00f3n residual con valores entre un 44 y 74%, mientras que en los biodep\u00f3sitos m\u00e1s del 33% de los metales pesados (cu, pb, as, hg y zn) se encontraron en las fracciones no residuales del sedimento distribuidos en proporciones variables en los oxihidr\u00f3xidos de fe y mn, la materia org\u00e1nica y los sulfuros, lo que indica que son  susceptibles de transferirse a la columna de agua ante procesos de removilizaci\u00f3n aer\u00f3bica de estos sedimentos. se realiz\u00f3 la oxidaci\u00f3n aer\u00f3bica experimental de los sedimentos estudiad<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Influencia del cultivo de mejill\u00f3n en bateas en los fondos sedimentarios de la r\u00eda de pontevedra.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Influencia del cultivo de mejill\u00f3n en bateas en los fondos sedimentarios de la r\u00eda de pontevedra. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Ivan Martin Leon Luna <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Vigo<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/05\/2005<\/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>Bel\u00e9n Rubio Armesto<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: federico Vilas martin <\/li>\n<li>Jos\u00e9 Borrego flores (vocal)<\/li>\n<li>xavier Querol carceller (vocal)<\/li>\n<li> Belzunce segarra m. Jes\u00fas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Ivan Martin Leon Luna En la r\u00eda de pontevedra desde hace m\u00e1s de treinta a\u00f1os se ha [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","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-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-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-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-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-gradient":""}},"footnotes":""},"categories":[27,953,3645,3831,228,3857,18657],"tags":[119681,160860,16144,160859,82183,32674],"class_list":["post-74223","post","type-post","status-publish","format-standard","hentry","category-ciencias-de-la-tierra-y-del-espacio","category-geologia","category-geologia-ambiental","category-geoquimica","category-oceanografia","category-sedimentologia","category-vigo","tag-belen-rubio-armesto","tag-belzunce-segarra-m-jesus","tag-federico-vilas-martin","tag-ivan-martin-leon-luna","tag-jose-borrego-flores","tag-xavier-querol-carceller"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/74223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=74223"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/74223\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=74223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=74223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=74223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}