Herrando Vila, Sergi (Date of defense: 2001-05-21)
The main objective of this thesis is to analyse how fire and fragmentation in Mediterranean habitats affect birds. Each chapter of this work poses questions and hypothesises about the ecological responses ...
Oncins Marco, Gerard (Date of defense: 2007-09-21)
The main objective of this work was to quantitatively measure the nanotribological properties or organic layers and rationalize them from a physicochemical point of view. To accomplish that, a wide array ...
Pueyo Puntí, Salvador (Date of defense: 2003-03-25)
This work is the result of a search for general (or nearly general) regularities at ecosystem level, and an exploration of their practical relevance in our relations with the environment.<br/>I began ...
Rodríguez López, Salvador (Date of defense: 2008-04-07)
In the early 1970 fs, R. Coifman and G. Weiss, generalizing the techniques introduced by A. Calderon, developed a method for transferring abstract convolution type operators, defined on general topological ...
Ciudad Álvarez, Aleix (Date of defense: 2008-05-15)
[eng] The discovery of molecular motors was not a single and isolated event but a set of gradual approaches from microscopic to nanoscopic systems. For example, the knowledge of the activity of muscle ...
Falgàs Parra, Ester (Date of defense: 2007-10-26)
The shallow subsurface of the earth is an extremely important geological zone that yields much of our water resources, supports our agriculture and ecosystems. Safe and effective management of our natural ...
Falcão Dantas, Renato (Date of defense: 2007-07-05)
ENGLISH SUMMARY:<br/><br/>In this work, the ozonation of emergent contaminants represented by pharmaceuticals (Sulfamethoxazole and Bezafibrate) and surfactants (Quaternary Ammonium Compounds) was ...
Canals Buj, Meritxell (Date of defense: 2004-04-16)
Adenosine and dopamine receptors are members of the GPCRs family for which a significant segregation between their A2A and D2 subtypes has been demonstrated in the GABAergic striopallidal neurons of the ...
Canals Merseburger, Mª Goretti (Date of defense: 2006-04-24)
A full understanding of nutrient cycling in lotic ecosystems is crucial given the increasing influence of human activities on the eutrophication of streams and rivers. However, existing knowledge about ...
Cebrian Pujol, Emma (Date of defense: 2007-04-20)
Many antrophic activities release pollutants to the marine environment. Among them heavy metals are of great importance, since they are conservative pollutants, which can be accumulated through trophy ...