Now showing items 12105-12124 of 41815
Quesada, Isabel Maria (Date of defense: 2010-10-29)
Les catequines i els seus polímers, les procianidines, són flavonoids presents en hortalisses<br/>i fruits amb efectes beneficiosos sobre la salut. Actuen com a antioxidants segrestant<br/>espècies reactives d'oxigen (ROS) ...
Castro Barquero, Sara (Date of defense: 2022-05-30)
[eng] INTRODUCTION: Metabolic syndrome (MetS) is a clustering of different cardiovascular and cardiometabolic risk factors. In developed countries, MetS prevalence has risen to 20- 25% in the adult population, and its ...
Blanco Moreno, José Manuel (Date of defense: 2004-11-11)
This thesis focuses on different spatial issues in relation to the commonest weed species (<i>Avena sterilis</i> L. and <i>Lolium rigidum</i> Gaudin) in dryland cereal crops.<br/>A 3-year detailed study of <i>L. rigidum</i> ...
Barba Ferrer, Josep (Date of defense: 2015-04-27)
L’increment en la freqüència i la intensitat de les sequeres en les últimes dècades s’ha considerat responsable de molts episodis de mortalitat forestal a nivell global, particularment a la regió mediterrània. Els models ...
Valvi, Damaskini (Date of defense: 2014-09-15)
Acumulada evidencia en estudios experimentales sugiere que la exposición a contaminantes capaces de interrumpir el sistema endocrino podría alterar las vías moleculares de los procesos de regulación hormonal y epigenética ...
Latorre Espeso, Dani (Date of defense: 2019-10-17)
Phenotypic plasticity is the adaptive response of a genotype to presenting different types of phenotypes in response to environmental changes. These adaptive responses can contribute to a particular species being able to ...
Díaz Blanco, Noelia (Date of defense: 2014-10-24)
In many gonochoristic fish, sex is plastic since it can be altered by the influence of environmental factors. In this thesis, using the European sea bass (Dicentrarchus labrax) model, a teleost fish with a polygenic sex ...
Masó Ferrerons, Guillem (Date of defense: 2019-04-25)
A central theme in ecology and evolution is to understand whether and how species respond to environmental changes. The amount of studies focusing on how species might cope with climate change has been steeply growing, ...
Payo Payo, Ana (Date of defense: 2017-04-28)
The overarching aim of my thesis was to assess the role of environmental variability and specially of perturbations in the population dynamics of social vertebrates. Our results emphasize the need to collect individual, ...
Bouattour, M. Amine (Date of defense: 2007-02-28)
El objetivo principal de la presente tesis doctoral fue estudiar la posibilidad de mejorar la calidad nutritiva de la leche de oveja y de cabra, y en particular la concentración de ácido linoleico conjugado (CLA) mediante ...
Miralles Pérez, Bernat (Date of defense: 2021-07-16)
En les darreres dècades, les prevalences d’obesitat, de dislipèmia aterogènica i de síndrome metabòlica han augmentat considerablement a nivell mundial. La resistència a la insulina és una característica comuna en aquests ...
Mushyam, Aditya (Date of defense: 2016-11-23)
The aim of this Ph.D. thesis, "Effects of flow control on flow past bluff bodies" is to study and analyzes the effects of Flow Control on various aspects and proverbs of flow past bluff bodies. Flow control techniques are ...
Gómez Gener, Lluís (Date of defense: 2017-02-10)
Inland waters are active components of the global carbon (C) cycle that transform, store and outgas more than half of the C they receive from adjacent terrestrial ecosystems. However, fundamental uncertainties regarding ...
Granados Pérez, Verónica (Date of defense: 2022-04-27)
Water availability is the primary driver of dissolved organic matter (DOM) dynamics in intermittent rivers and ephemeral streams (IRES). Therefore, current research manifests the global influence of flow disruption on ...
Vila Martínez, Núria (Date of defense: 2018-10-16)
Els ecosistemes aquàtics presenten una estreta connexió entre forces físiques i processos ecològics. Als rius, aquesta interacció física-ecologia és dirigida pel cabal, un dels factors principals que determinen la integritat ...
Romero Rivas, Carlos (Date of defense: 2016-12-19)
When people learn a second language, they typically speak with a foreign accent. Crucially, foreign-accented speech is more difficult to understand and requires more processing time than native speech. Nevertheless, native ...
Collado Coloma, Eduardo (Date of defense: 2021-04-14)
El principal objectiu d’aquesta tesi és entendre, descriure i quantificar els efectes de les aclarides forestals, del creixement dels arbres i del clima en la biomassa fúngica i en la productivitat i composició dels fongs. ...
Arias del Real, Rebeca (Date of defense: 2020-07-06)
Intermittent rivers and ephemeral streams (IRES) are watercourses that naturally and periodically cease to flow. They represent more than half of the global river network and are expanding due to global change. In this ...
Quevedo Báez, Luis Alberto (Date of defense: 2015-06-04)
Aquesta tesi doctoral avalua l’estructura i composició de comunitats bentòniques ( diatomees i macroinvertebrats) del tram baix de l’Ebre en funció d’alteracions del cabal natural del riu causades per la presència del ...
Merciai, Roberto (Date of defense: 2016-09-30)
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 ...