Ara mostrant els elements 76-95 de 147
Gómez i Grau, Ferran (Data de defensa: 2004-12-17)
EN CASTELLANO:<br/><br/>La toxoplasmosis es una de las más importantes zoonosis del ser humano. Esta ocasionada por <i>Toxoplasma gondii</i> un parásito coccidio apicomplejo de distribución cosmopolita.<br/>En este estudio ...
Ursúa Sesma, Esperanza (Data de defensa: 2006-10-06)
La biología de la conservación, nacida para dar respuesta a la crisis de biodiversidad creciente durante el siglo XX, está volviendo su atención actualmente hacia la necesidad de mejorar el entendimiento y la colaboración ...
Silva, Ricardo Neves Petersen (Data de defensa: 2015-07-17)
Pine wilt disease is the result of a complex interaction between a nematode, a host tree and an insect vector. The pine wood nematode (PWN) Bursaphelenchus xylophilus (Steiner and Buhrer) Nickle is the causal agent, being ...
Martínez Pérez-Pérez, Alejandro (Data de defensa: 1990-09-01)
El estudio de las poblaciones humanas pretéritas no se limita actualmente a una descripción morfológica y tipológica clásicas. El desarrollo de nuevas técnicas de análisis nos permite abordar cuestiones sobre adaptación y ...
Rudoy, Andrey (Data de defensa: 2016-10-17)
In the present work I analysed different aspects of the evolution of genus Limnebius (Coleoptera, Hydraenidae), including its molecular evolution using mitochondrial (COI, 16S, tRNA-leu, NAD1) and nuclear markers (18S, ...
Mora de Checa, Elisa (Data de defensa: 2015-12-14)
Mygalomorphs is a cosmopolitan group that inhabits all the continents except Antarctica. The group and has been commonly described as ‘primitive’ because of the retention of plesiomorphic characters, such as the presence ...
Martínez Abadías, Nieves (Data de defensa: 2007-12-19)
This thesis is the final outcome of the project "Quantitative genetics of craniofacial traits: a functional approach to heritability", which received support from the Wenner-Gren Foundation for Anthropological Research in ...
Barrull i Ventura, Joan (Data de defensa: 2014-12-03)
En gestió i conservació resulta d’interès comprendre els mecanismes que regulen l’estructuració o condicionen la dinàmica de les comunitats. Amb la informació que proporcionen 842 fotografies de càmeres trampa i 8.175 ...
Cardador Bergua, Laura (Data de defensa: 2011-10-07)
Change in species geographic ranges is a natural phenomenon, but the rate and magnitude of such change has significantly increased due to anthropogenic causes. The rate at which a population spreads/contracts through space ...
Gessé Solé, Francesc (Data de defensa: 2005-03-04)
S'ha fet un estudi faunístic i ecològic dels heteròpters de quatre comunitats vegetals (prat sec, brolla, garriga i alzinar) del Parc Natural del Garraf.<br/><br/>Per a cada comunitat vegetal s'han triat tres parcel·les. ...
Rodríguez Prieto, Ana (Data de defensa: 2013-10-04)
Establecer las relaciones existentes entre las especies y definir los límites entre las mismas ha sido uno de los objetos principales de estudio de la biología evolutiva durante las últimas décadas. El establecimiento de ...
Arcos Pros, José Manuel (Data de defensa: 2001-12-20)
Seabirds feeding ecology was studied at sea to assess the significance of two commercial fisheries, trawlers (demersal fishery with diurnal activity) and purse seiners (pelagic fishery with nocturnal activity), in the NW ...
Alemany Sierra, Silvia (Data de defensa: 2013-04-15)
The present dissertation, which can be framed in the fields of behavioural and psychiatric genetics, was aimed to study how early environmental factors such as parental negativity and childhood adversity, directly or in ...
Mitjans Niubó, Marina (Data de defensa: 2014-12-17)
Severe mental disorders, such as Major Depressive Disorder (MDD), Bipolar Disorder (BD) and Schizophrenia (SCZ), represent a huge burden to society, reflecting the limited efficacy of current drug treatments. Although the ...
Arias Sampériz, Bárbara (Data de defensa: 2003-01-01)
1. Objetivo General: Estudiar la variación existente en genes candidatos implicados en la neurotransmisión serotoninérgica como factor de riesgo en la depresión mayor y como factor relacionado con aspectos del fenotipo ...
Athanasiadis, Georgios (Data de defensa: 2010-07-14)
In this work we have analyzed the variation of (i) several X chromosome polymorphic Alu insertions and (ii) several SNPs and microsatellites within and around the genomic regions of the genes coding for coagulation factors ...
Zanetti, Daniela (Data de defensa: 2015-11-26)
The present thesis deals with a deep analysis of the genetic structure of extant human worldwide populations, with a special focus on the Mediterranean. Different genetic markers, 18 Alu insertions and 367 single ...
Herrando Vila, Sergi (Data de defensa: 2001-05-21)
The main objective of this thesis is to analyse how fire and fragmentation in Mediterranean habitats affect birds. Each chapter of this work poses questions and hypothesises about the ecological responses of birds to these ...
Pumariño Romero, Lorena (Data de defensa: 2012-05-04)
Modern agriculture has been focused on very intensive agricultural systems that depend on external inputs such as fertilizers or pesticides. These practices have lead to a simplification of the landscape and a decline of ...
Mata, Luis (Data de defensa: 2013-11-11)
Heteropteran bugs make an important contribution to the hyperdiversity of insects. As with other insect taxa, the proper species identification of heteropteran bugs requires diagnostic dichotomous keys. Faunistic studies ...