Universitat de Girona
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The work presented in this Doctoral Thesis has studied the temporal and spatial patterns of the most relevant soil parameters with special attention posed to soil biological and biochemical dynamics occurring at the studied ...
Hydrological drought is a process of natural desiccation mainly due to large shortage of rainfall events. Reduced precipitations and prolonged droughts are spreading worldwide and threaten the integrity of aquatic ...
Currently, global change is promoting the spatiotemporal occurrence of temporary streams, altering fluvial ecosystem function and structure, and the ecosystem services they provide. To effectively protect fluvial ecosystems, ...
El paisaje, concebido como una unidad espacial y temporalmente pluriescalar caracterizada por unos patrones de distribución - una estructura-, unas funciones y una red de flujos de materia, energía e información (Forman ...
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 UV-B) and diminished ...
Pyrenean headwater streams are singular ecosystems with a particular seasonal pattern. They sustain a unique biodiversity especially sensitive to environmental change. Because of this, their ecosystem structure and function ...
La tesi doctoral desenvolupada, emmarcada dins del camp de les Ciències Ambientals, aplica la Geologia Ambiental orientada al coneixement dels processos i recursos geològics de cara a la planificació i a l'ordenació del ...
Humanity has always been closely linked to rivers, benefiting from their resources while producing impacts associated with their activity.Thus, river systems have been exposed to multiple stressors, which have affected the ...
I used the metacommunity framework to dissect the relative influences of dispersal (in ecological and evolutionary timeframes), selection (driven by abiotic factors) and ecological drift on the assembly process of freshwater ...
Els sistemes aquàtics continental representen un dels ecosistemes més amenaçats a nivell mundial, com a conseqüència de l'ús intensiu quel'home en fa. La conca del Guadiana no està lliure d'aquestes pressions antròpiques. ...
The thesis presented is a study of some women's movements which claim a recovery of the female body from a feminist and ecologist standpoint and which are currently spreading their influence. It provides a summary of the ...
José Ferrater Mora has been recognized as one of the most original and difficult to categorize thinkers of the 20th century. A tireless and restless intellectual, he was interested in a multitude of fields of knowledge ...
Aquesta tesi se situa en una perspectiva de l'Educació Ambiental adreçada a la Sostenibilitat i com a nucli catalitzador d'una Educació per al Canvi.<br/>Amb la investigació que es presenta es pretén, a més, contribuir a ...
Les inflorescències on és present la formiga argentina reben menys visitants, a les zones envaïdes, a més, desapareixen la majoria d'espècies de formigues autòctones, algunes de les quals podrien ser pol·linitzadores ...
L'objectiu d'aquesta tesi és de'explorar alguns aspectes de l'impacte humà sobre les poblacions de peixos i altres components dels ecosistemes fluvials Mediterranis de Catalunya. Es va mostrar com els peixos del Riu Llobregat ...
The objectives of the thesis are identify in the current tourism landscape, tourist typologies which are capable of ensuring an adequate level of sustainability, ie that take into account the need to establish effective ...
Human developed coasts in Catalonia show a high-degraded dune landscape. Along the last decades, dunes have disappeared from 60% of the beaches studied, whereas 30% of dunes have been reduced in extension, and only 10% ...
S'ha estudiat l'estructura i dinàmica del sistema bentònic de llacunes costaneres de la maresma dels aiguamolls de l'Empordà (NE de la península Ibèrica) i els factors que les determinen. Amb aquesta finalitat es van prendre ...
El objetivo principal es la evaluación de la biomasa como recurso energético renovable en Cataluña. Su alcance requiere el estudio de diversas temáticas, desarrolladas en los doce capítulos que componen el documento.El ...
Mediterranean rivers are characterized by high hydrological variability and heterogeneity of habitats, placing themselves amongst arid and temperate climates, and are associated with high biological diversity. On the ...
