Mostrando ítems 11-20 de 132
Chang, Chao-Ting (Fecha de defensa: 2017-07-07)
The variations of ecosystem and soil respiration are mainly driven by temperature and precipitation, but the importance of temperature and precipitation could vary across temporal and spatial. At diurnal ...
Villero Pi, Daniel (Fecha de defensa: 2016-10-21)
This work is at the crossroads where conservation problems, arising from the biodiversity loss and environmental crisis, meet the difficulties of applying research outcomes in conservation practice, ...
Ponti de la Iglesia, Raquel (Fecha de defensa: 2018-11-16)
One of the most fascinating aspects of birds is their capability of migrate from one area to another throughout the year. Unravelling the patterns and processes involved in the evolution of migration ...
Gera, Alessandro (Fecha de defensa: 2013-06-21)
Overall, this thesis is an attempt at approaching seagrass ecosystems from a landscape perspective, with the aim of increasing knowledge about the processes generating patterns at large spatial scales, ...
Sperlich, Dominik (Fecha de defensa: 2015-07-24)
The Mediterranean Basin is a climate-change hotspot of the world. Predicted reductions in annual precipitation, increases in mean temperature, and increases in the variability and occurrence of extreme ...
Galván Candela, Juan Diego (Fecha de defensa: 2014-01-21)
Iberian Pinus uncinata tree-growth variability and its responses to climate are analyzed by means of dendrochonological methods from an individual- to a population-level scale across its distribution ...
Tonzo, Vanina (Fecha de defensa: 2020-09-21)
Unraveling the proximate processes that have shaped genetic variation of populations and led to lineage diversification and speciation is fundamental to understand the origin of present-day biodiversity ...
Caraballo López, Tatiana (Fecha de defensa: 2013-12-13)
Phytoplankton embraces a large diversity of life forms, from pioneer oxygenic photosynthetic cyanobacteria to a broad spectrum of phylogenetically distant eukaryotic organisms. In many of the evolutionary ...
Miró Pastó, Alexandre (Fecha de defensa: 2016-01-08)
Pyrenean high mountain lakes are naturally fishless due to natural barriers that have prevented the natural colonisation of fish species from lower streams. However, there have been numerous trout ...
Prado Villegas, Patricia (Fecha de defensa: 2007-02-23)
La revaluació a gran escala espacial (> de 300 Km) i mitjançant mètodes de quantificació directa, del impacte de l'herbivorisme en els ecosistemes de <i>Posidonia oceanica</i> va revelar pèrdues de ...