Universitat de Barcelona
Now showing items 64-83 of 174
Los ríos mediterráneos han experimentado una larga historia de impactos antropogénicos, incluyendo la captación de agua, la contaminación y la liberación de especies no nativas. Es crítico detectar, monitorear y evaluar ...
En esta tesis se ha estudiado la efectividad de los programas de enriquecimiento ambiental estructural y social aplicados a dos especies de primates, el mangabey de collar (Cercocebus torquatus torquatus) y el dril ...
La basura marina está aumentando exponencialmente en los mares y océanos de todo el mundo. En los últimos años, se han reportado y documentado sus amenazas a la fauna marina y a los ecosistemas marinos en general. Por estas ...
La estimación de la edad de los restos humanos analizados es esencial para la reconstrucción de la paleodemografía de las poblaciones pasadas y para la identificación de las víctimas en casos forenses, en especial en ...
One of the most fascinating aspects of birds is their capability of migrate from one area to another throughout the year. Unravelling the patterns and processes involved in the evolution of migration is paramount to ...
Bonelli's eagle is considered an umbrella and flagship species in Mediterranean ecosystems. In this thesis, we focus on the fact that the Bonelli’s eagle population in southern Portugal nests in trees – behaviour that ...
[eng] The current context of global change is causing many threats to biodiversity worldwide, and the profound and rapid transformations of the environment have led to a severe insect decline. Because of their sensitivity ...
[eng] In the Mediterranean basins, rice is mainly cultivated in wetland protracted areas such as deltas and marshlands, where it is the prevailing crop due to the high soil salinity. This salinity is continuously increasing ...
[cat] OBJECTIUS PRINCIPALS: Les invasions biològiques són la conseqüència principal d'activitats antròpiques que en el cas de les plantes corresponen a diverses causes, principalment: el transport de persones i mercaderies, ...
Psychiatric disorders are highly prevalent and one of the leading causes of disease burden worldwide. Nevertheless, there are no validated biomarkers to be used for either diagnostic or prognostic purposes and their etiology ...
Mercury pollution is of great concern for the scientific community due to their ubiquity and persistence in the environment. Its bioaccumulation and biomagnification capacities along food webs enhance their toxicity both ...
Biodiversity patterns are results of ecological and evolutionary processes. Understanding the forces shaping biodiversity patterns help to predict the responses of ecosystems to environmental change. Considering the role ...
El objetivo principal de esta Tesis es producir estrategias para la productividad, perdurabilidad y calidad mediante el desarrollo de nuevas variedades comerciales de arroz mediterráneo (O. sativa) e introducir alelos de ...
Nowadays, it is estimated that about 450 million people suffer from a mental or behavioural disorder in the world. According to World health organization (WHO), 33% of the years lived with disability (YLD) are due to ...
Based on the background showing i) that obesity have a polygenic nature with the implication of different genes of minor effect and lifestyle factors; ii) the high variability between individuals in weight loss outcome ...
[eng] The invasion of alien species is a major global threat to ecosystems, with significant impacts, especially on freshwater ecosystems. The species diversity in freshwater ecosystems has significantly declined worldwide, ...
Unraveling the proximate processes that have shaped genetic variation of populations and led to lineage diversification and speciation is fundamental to understand the origin of present-day biodiversity patterns at both ...
Dental wear is a natural, complex, physiological process of gradual enamel tissue loss that occurs during an individual’s life span and provides information about dietary habits, food processing techniques and cultural ...
La introducció dels cultius que proveeixen serveis agroecològics (ASC) és una de les estratègies àmpliament reconeguda per millorar la sostenibilitat dels sistemes de cultiu. Tot i això, algunes autores i autors han ...
Environmental authorities, conservation professionals, and several other social sectors frequently demand scientifically sound information to inform policy and decision-making processes. Beyond national or subnational ...
