Mostrando ítems 51-60 de 80
Bartumeus i Ferré, Frederic (Fecha de defensa: 2005-06-17)
ENGLISH ABSTRACT:<br/><br/>The general aim of this thesis was to develop a theoretical framework in order to study large-scale animal movements and/or dispersal processes as random search strategies. ...
Vila Escalé, Mireia (Fecha de defensa: 2009-04-28)
DE LA TESI:<br/><br/>Es realitza l'estudi dels efectes d'un incendi forestal sobre la fisicoquímica, l'hàbitat i les comunitats biològiques d'una riera mediterrània, riera de Gallifa, i la seva comparació ...
Guallar Morillo, Carles (Fecha de defensa: 2013-05-24)
En la costa catalana s’ha observat la presència d’unes capes d’aigua properes al fons riques en clorofil•la a (HCNBL, de l’anglès High Chlorophyll Near Bottom Layer). Aquestes estructures productives ...
Rodríguez Climent, Sílvia (Fecha de defensa: 2014-12-05)
The Ebro Delta represents the most important wetland area in Catalonia, the second most important in Spain (after Doñana National Park) and one of the most important estuarine zones in Europe. Although ...
Rovira Torres, Laia (Fecha de defensa: 2013-11-21)
The general aim of the thesis was to improve knowledge of the ecology and taxonomy of estuarine benthic diatoms in a highly stratified Mediterranean estuary, in order to evaluate their potential use as ...
Safont Crespo, Elisabet (Fecha de defensa: 2016-02-09)
This thesis is aimed at the study of the flora and vegetation of the Guayana Highlands (GH), a set of -50 table mountains (called tepuis) located in the Guayana Shield of northern South America. Special ...
Bernal Berenguer, Susana (Fecha de defensa: 2006-06-30)
The amount of dissolved inorganic nitrogen delivered to streams and groundwater has substantially increased in the last decades due to anthropogenic impacts. This fact has stimulated research on processes ...
Movellán Mendoza, Enrique (Fecha de defensa: 2004-04-14)
Se han realizado diferentes campañas en el tramo estuarino del Río Ebro para estudiar las condiciones estacionales del estuario y la pluma (CyTMAR, Comisión Interministerial de Ciencia y Tecnología, ...
Buchaca Estany, Teresa (Fecha de defensa: 2005-04-25)
L'objectiu general de la tesi era estudiar el senyal de pigments indicadors en diversos compartiments (columna d'aigua, sediment superficial i registre sedimentari) dels estanys d'alta muntanya dels ...
Bonada i Caparrós, Núria (Fecha de defensa: 2003-04-02)
The main objective of this work has been to determine the structure of the macroinvertebrate communities in mediterranean rivers at different scales, organization and taxonomical levels. To achieve that, ...