Pharmaceuticals and endocrine disruptors: accumulation in aquatic biota and environmental effects 

    Huerta Buitrago, Belinda (Fecha de defensa: 2016-04-12)

    Occurrence, fate, and adverse effects of emerging contaminants in the aquatic environment have become a matter of concern, since these compounds have been persistently detected in wastewater treatment plant (WWTP) effluents, ...

    Radiación ultravioleta y sequía: efectos sobre la fisiología y la descomposición de hojarasca de especies arbustivas mediterráneas en el contexto del cambio climático 

    Rodríguez Hidalgo, Claudia Marina (Fecha de defensa: 2020-09-09)

    Various climatic models predict an increase in the ultraviolet (UV) radiation and a reduction in the precipitation levels reaching in the Mediterranean Basin. Exposure of plants to different levels of UV radiation and water ...

    Reintroduction of the Eurasian otter (Lutra lutra) in Muga and Fluvià basins (north-eastern Spain): viability, development, monitoring and trends of the new population 

    Saavedra Bendito, Deli (Fecha de defensa: 2003-06-10)

    Aquesta tesi es basa en el programa de reintroducció de la llúdriga eurasiàtica (Lutra lutra) a les conques dels rius Muga i Fluvià (Catalunya) durant la segona meitat dels 1990s. Els objectius de la tesi foren demostrar ...

    Reproducció i desenvolupament de la mallerenga blava (Cyanistes caeruleus): conseqüències de la invasió de la formiga argentina (Linepithema humile) en la xarxa tròfica del bosc mediterrani 

    Estany-Tigerström, David (Fecha de defensa: 2013-11-29)

    We investigated whether the Argentine ant (Linepithema humile) invasion modifies the trophic web of the sclerophyllous Mediterranean forests to the point that impacts co-occurring bird communities. We studied if the invaded ...

    Reproductive and condition status of “cold water” marine fish: new insights from a changing environment 

    Serrat Llinàs, Alba (Fecha de defensa: 2019-04-10)

    Exploited marine fish species with an affinity for cold waters inhabiting close to the warmer edge of their distribution area are exposed to stress caused by fishing and climate change. Three case studies of “cold water ...

    Resilience of aquatic metacommunities: implications for disturbance recovery 

    Cunillera-Montcusí, David (Fecha de defensa: 2020-02-21)

    During the last years, there has been an increase in the number and intensity of disturbances, and their consequences related with global change, which have corroborated the already forecasted scenarios. One example are ...

    Signal processing of microstructure profiles: integrating turbulent spatial scales in aquatic ecological modeling 

    Piera Fernández, Jaume (Fecha de defensa: 2002-03-08)

    The main objective of this thesis was the integration of microstructure information in synoptic descriptors of turbulence, that reflects the mixing processes. Turbulent patches are intermittent in space and time, but they ...

    Sistema radicular de Quercus suber: estructura i desenvolupament 

    Verdaguer Murlà, Dolors (Fecha de defensa: 1995-01-12)

    This thesis is a study of the structure and development of the young radicular system of Quercus suber. The work is focused on the sprouting capacity of the radicular system of the seedling, the development and organization ...

    Soil and vegetation carbon dynamics (stocks and fluxes) and litter decomposition in a Mediterranean non-tidal salt marsh 

    Carrasco Barea, Lorena (Fecha de defensa: 2020-10-09)

    Salt marshes are considered key ecosystems for climate regulation because they have a high carbon sequestration capacity. However, most studies of carbon sequestration capacity of these ecosystems have been performed in ...

    Stochastic models and the temporal dynamics of ecological communities 

    Jiménez Ontiveros, Vicente Luis (Fecha de defensa: 2020-06-29)

    This thesis develops a quantitative approach to understanding and predicting the spatiotemporal distribution of biodiversity, based on a stochastic version of the theory of island biogeography. Here, I present R package ...

    The invasion of the Argentine ant Linepithema humile in Mediterranean ecosystems: impacts and efficacy of winter aggregations extirpation as a control methods 

    Enríquez Lenis, Martha Lucía (Fecha de defensa: 2012-12-20)

    We studied the characteristics and effects of the Argentine ant invasion on the native ants and other arthropods. Moreover, we assessed the effects of L. humile winter nest aggregations extirpation on its population dynamics. ...

    The use of pulse amplitude modulated fluorescence techniques for metal toxicity assessment in fluvial biofilms 

    Corcoll i Cornet, Natàlia (Fecha de defensa: 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 toxicity, and to find ...

    Towards the implementation of ecosystem management: a multi-level assessment of a small scale Mediterranean multi-specific fishery 

    Dimitriadis, Caterina (Fecha de defensa: 2015-10-16)

    Fisheries are complex systems, in which the process of assessment and management should explicitly consider the ecological, social and economic attributes of the system. For a responsible and sustainable management of ...

    Unraveling the success of invaders: biotic and abiotic factors determining the invasibility of Mediterranean benthic assemblages by Caulerpa cylindracea 

    Santamaría Pérez, Jorge (Fecha de defensa: 2021-09-27)

    Biological invasions have become one of the most pervasive threats to native ecosystems worldwide, causing species extinctions, disrupting the functioning of ecosystems, altering the provision of critical ecosystem services ...

    Variability in the health status and reproductive traits of European sardine stocks in the Mediterranean. Implications for fishery management 

    Caballero-Huertas, Marta (Fecha de defensa: 2023-05-26)

    Small pelagic fish play an important ecological role mainly due to their contribution in transferring energy from low to higher trophic levels. Likewise, the capture of these species is in many cases an important nutritional ...

    Zooplankton structure and dynamics in Mediterranean marshes (Empordà Wetlands): a size-based approach 

    Brucet Balmaña, Sandra (Fecha de defensa: 2003-11-04)

    Zooplankton community structure (composition, diversity, dynamics and trophic relationships) of Mediterranian marshes, has been analysed by means of a size based approach. <br/>In temporary basins the shape of the biomass-size ...