{"id":3138,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/variabilidad-espacio-temporal-de-la-biomasa-y-produccion-del-fitoplancton-en-el-estuario-de-urdaibai\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"variabilidad-espacio-temporal-de-la-biomasa-y-produccion-del-fitoplancton-en-el-estuario-de-urdaibai","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-tierra-y-del-espacio\/variabilidad-espacio-temporal-de-la-biomasa-y-produccion-del-fitoplancton-en-el-estuario-de-urdaibai\/","title":{"rendered":"Variabilidad espacio-temporal de la biomasa y produccion del fitoplancton en el estuario de urdaibai."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Javier Franco San Sebastian <\/strong><\/h2>\n<p>En este trabajo se han intentado establecer las escalas espaciales y temporales de variabilidad de la biomasa y produccion fitoplanctonicas en el estuario mesomareal somero de urdaibai, asi como determinar los principales factores implicados en dicha variabilidad. En el verano de 1990 se realizo una campa\u00f1a de muestreos para analizar la variabilidad a corta escala temporal en la epoca estival. Los principales factores responsables de tal variabilidad fueron las mareas. A lo largo del gradiente salino se detectaron dos comunidades fitoplanctonicas, ambas dominadas por diatomeas nanoplanctonicas, pero bien diferenciadas en su composicion taxonomica y fisiolog\u00eda.  en el verano de 1991 se estudio el efecto de los ciclos semidiarios y quincenales de las mareas, asi como la variabilidad asociada a los cilos diarios de produccion y perdidas. La biomasa y composicion del fitoplancton mostraron pautas de variacion asociadas a la transicion mareas vivas-mareas muertas. Se estimaron tasas de crecimiento del fitoplancton proximas a 3 divisiones-dia y marcados ciclos diarios, dominando el crecimiento durante el dia y las perdidas durante la noche. Durante el a\u00f1o 1992 se estudio el ciclo anual y el efecto de los eventos de altas descargas fluviales.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Variabilidad espacio-temporal de la biomasa y produccion del fitoplancton en el estuario de urdaibai.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Variabilidad espacio-temporal de la biomasa y produccion del fitoplancton en el estuario de urdaibai. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Javier Franco San Sebastian <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/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>Emma Orive Aguirre<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Rosa Martinez Silvestre <\/li>\n<li>Gabriel Moya Niell (vocal)<\/li>\n<li>Marta Estrada Millares (vocal)<\/li>\n<li>Jes\u00fas Pozo Martinez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Javier Franco San Sebastian En este trabajo se han intentado establecer las escalas espaciales y temporales de [&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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