Ann, Vannak (Date of defense: 2015-06-30)
River sediments are composed by a variety of grain sizes which determine their permeability and biogeochemistry. The aim of this thesis was to test whether differences in river sediment physical ...
Díaz Guerra, Laura (Date of defense: 2017-07-21)
Taking into account the expected changes in solar UV levels, precipitation and fire regime in the Mediterranean basin, the main goal of this thesis was to evaluate the effects of UV radiation (UV-A and ...
Romero Blanch, Ferran (Date of defense: 2019-12-20)
Human exploitation of river ecosystems, together with the increasing pressure that represents climate change, is posing rivers worldwide at risk. In rivers, microorganisms are ecologically very ...
Tuulaikhuu, Baigal-Amar (Date of defense: 2016-06-10)
The main aims of this thesis are: i) to evaluate arsenic toxicity in two major, interacting components of the freshwater ecosystem, biofilm and fish, to provide information on environmentally realistic ...
Corcoll i Cornet, Natàlia (Date of defense: 2012-02-20)
Metal pollution in rivers is in great concern with human activities in the fluvial watershed. This thesis aims to investigate the potential use of chl-a fluorescence parameters as biomarkers of metal ...
Puig-Gironès, Roger (Date of defense: 2016-12-22)
Wildfires are natural perturbations that affect the structure of the landscape and biodiversity. In the Mediterranean basin, wildfires occur especially in hot seasons. However, in recent years the number ...
Souza, Edson Roberto da (Date of defense: 2015-07-29)
Dada la importancia de ilustraciones científicas en los procesos de aprendizaje de contenidos geológicos, se investigó posibles relaciones entre su potencial educativo y sus etapas de producción en los ...
Ortiz Álvarez, Rüdiger (Date of defense: 2018-05-18)
The microbial metacommunity of the Pyrenees mountain range has never been studied at the regional level. In this PhD thesis, the main goal is to describe the taxonomic diversity and reveal the ecological ...
Diaz Buitrago, Mireia (Date of defense: 2013-02-21)
The winter nesting behaviour of the Argentine ant seems to be intrinsic, and its success as an invasive species does not rely on a shift in social organization, nor on a shift in its mode of nesting ...
Casas Ruiz, Joan Pere (Date of defense: 2017-05-31)
In river networks, dissolved organic matter (DOM) constitutes the major pool of organic carbon, and plays a key role as energy source and modulator of toxic substances availability. In this thesis, Joan ...