{"id":79620,"date":"2018-03-09T23:25:30","date_gmt":"2018-03-09T23:25:30","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/nutrient-dynamics-and-metabolism-in-mediterranean-streams-affected-by-nutrient-inputs-from-human-activities\/"},"modified":"2018-03-09T23:25:30","modified_gmt":"2018-03-09T23:25:30","slug":"nutrient-dynamics-and-metabolism-in-mediterranean-streams-affected-by-nutrient-inputs-from-human-activities","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/nutrient-dynamics-and-metabolism-in-mediterranean-streams-affected-by-nutrient-inputs-from-human-activities\/","title":{"rendered":"Nutrient dynamics and metabolism in mediterranean streams affected by nutrient inputs from human activities"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Canals Merseburger M. Goretti <\/strong><\/h2>\n<p>La comprensi\u00f3n de los ciclos de nutrientes en ecosistemas fluviales es importante dada la creciente influencia de la actividad humana sobre su eutrofizaci\u00f3n. No obstante, el conocimiento existente sobre los ciclos de nutrientes en r\u00edos afectados por entradas de nutrientes procedentes de la actividad humana es todav\u00eda escaso.  el objetivo general de esta tesis es evaluar los efectos de una fuente puntual de nutrientes procedentes del efluente de una estaci\u00f3n depuradora de aguas residuales (edar) sobre el funcionamiento de r\u00edos receptores.  para examinar estos efectos, seleccionamos dos tramos situados aguas arriba y aguas debajo de una fuente puntual en dos r\u00edos que drenaban cuencas con usos del suelo diferentes, para tener dos escenarios de estudios contrastados. Concretamente, el estudio se realiz\u00f3 en los r\u00edos la tordera y gurri (catalu\u00f1a), los cuales drenan una cuenca mayoritariamente forestada y agr\u00edcola, respectivamente.  en la tordera, la fuente puntual constituye la entrada mayoritaria de nutrientes en el r\u00edo. En el curri, en cambio, el r\u00edo recibe fuentes difusas de nutrientes procedentes de campos agr\u00edcolas adyacentes a los tramos de estudio adem\u00e1s de la fuente puntual. las concentraciones de amonio (nh4+ -n), nitrato (no3-n), f\u00f3sforo reactivo soluble (srp) y carbono org\u00e1nico disuelto (doc) era significativamente m\u00e1s elevadas en el tramo de aguas abajo que en el de aguas arriba en el r\u00edo forestado. El efecto de la fuente puntual sobre la qu\u00edmica del agua no fue claro en el r\u00edo agr\u00edcola, donde s\u00f3lo la concentraci\u00f3n de  srp aument\u00f3 significativamente por debajo de la fuente puntual. Estos efectos se reflejaban en los efectos sobre par\u00e1metros funcionales en los r\u00edos de estudio. la eficiencia de retenci\u00f3n fluvial de nh4+ -n y srp disminuy\u00f3 aguas abajo (distancias de asimilaci\u00f3n del orden de km) de la fuente puntual en relaci\u00f3n a aguas arriba (distancias de asimilaci\u00f3n del orden de centenares de m) en el r\u00edo forestado. en cam<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Nutrient dynamics and metabolism in mediterranean streams affected by nutrient inputs from human activities<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Nutrient dynamics and metabolism in mediterranean streams affected by nutrient inputs from human activities <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Canals Merseburger M. Goretti <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 24\/04\/2006<\/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>Francesc Sabater Comas<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan Armengol bachero <\/li>\n<li>arturo Elosegi irurtia (vocal)<\/li>\n<li>jane Claire marks (vocal)<\/li>\n<li>helena Guasch padr\u00f3 (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Canals Merseburger M. Goretti La comprensi\u00f3n de los ciclos de nutrientes en ecosistemas fluviales es importante dada [&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":[951,35],"tags":[131220,170821,20155,20044,170822,12172],"class_list":["post-79620","post","type-post","status-publish","format-standard","hentry","category-barcelona","category-ciencias-de-la-vida","tag-arturo-elosegi-irurtia","tag-canals-merseburger-m-goretti","tag-francesc-sabater-comas","tag-helena-guasch-padro","tag-jane-claire-marks","tag-juan-armengol-bachero"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/79620","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=79620"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/79620\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=79620"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=79620"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=79620"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}