Ara mostrant els elements 31-40 de 154
Cefalì, Maria Elena (Data de defensa: 2019-03-07)
According to the Habitats Directive (92/43/ECC) a habitat is defined as “the terrestrial or aquatic area, whether entirely natural or semi-natural, differentiated by its geographical, biotic and abiotic ...
Laskurain Iturbe, Iker (Data de defensa: 2015-05-26)
Se trata de una Tesis Doctoral realizada en la modalidad de Tesis Doctoral por artículos, con el objetivo de analizar, en una perspectiva comparada con relación a los Sistemas de Gestión Medioambiental, ...
Rost Bagudanch, Josep (Data de defensa: 2011-06-28)
The objective of this thesis is to analyze the effect of the transformation in the habitat that postfire salvage logging supposes on birds in Mediterranean pine forests, at different levels: species, ...
Boy Roura, Mercè (Data de defensa: 2013-10-04)
Nitrate groundwater pollution in the Osona region is a persistent and widespread problem. Nitrate concentrations are commonly above the drinking water threshold of 50 mg/L in wells and springs. ANOVA ...
Cáliz Gelador, Joan (Data de defensa: 2011-12-13)
Pollution by toxic compounds is one of the most relevant environmental damages to ecosystems produced by human activity and, therefore, it must be considered in environmental protection and restoration ...
Vergés Guirado, Alba (Data de defensa: 2002-03-07)
L'objectiu d'aquest treball ha estat l'estudi del gènere Kallymenia a la Península Ibèrica i a les<br/>Illes Balears, el qual es troba representat per les espècies següents: K. reniformis (Turner) ...
Mandarić, Ladislav (Data de defensa: 2018-10-24)
The main aim of this thesis was to establish a link between the urban origin of chemical contamination (e.g. PhACs) and other stressors, particularly associated to water scarcity (Chapter 1, 2, and 3). ...
Gimeno Melià, Vicent Pau (Data de defensa: 2019-01-21)
Pharmaceuticals are ubiquitous water contaminants that have shown detrimental effects on aquatic organisms at low concentrations. National authorities are starting to plan and implement measures (Wastewater ...
Mora Crespo, Joan (Data de defensa: 2004-10-28)
El present estudi té com a principal objectiu el disseny d'un Sistema d'informació Ambiental<br/>(SIA). El principal instrument utilitzat per obtenir la informació amb aquest sistema d'informació són ...
Gionchetta, Giulia (Data de defensa: 2019-10-25)
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 ...