Now showing items 1-14 of 14
Lazzari, Natali (Date of defense: 2021-01-18)
The alarming rate of marine biodiversity loss calls for new strategies of understanding and accounting for human-nature relationships. Anthropogenic impacts are the main drivers of changes in coastal and marine systems ...
Tarrats Sada, Pol (Date of defense: 2018-01-12)
The study of past ecological changes is highly useful for understanding how ecosystems have responded to climate and human-induced disturbances. It is thus relevant in the context of climate change, as it allows several ...
Khamis, Abdulqader (Date of defense: 2023-10-24)
[eng] The principal challenge of conserving marine megaherbivores is that they typically range over extensive areas that far exceed the spatial scales of conventional management, transcending protected areas, and often ...
Garcia Garin, Odei (Date of defense: 2022-07-04)
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 ...
Ubach Permanyer, Andreu (Date of defense: 2023-01-10)
[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 ...
Cuesta Torralvo, Elisabeth (Date of defense: 2021-04-22)
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 ...
Harjung, Astrid (Date of defense: 2018-04-03)
Headwater streams essentially link the terrestrial and the aquatic carbon cycle because they transport terrestrial organic and inorganic carbon downstream towards the oceans. However, most of these inputs are processed ...
Riera Lorente, Màxim (Date of defense: 2016-12-16)
Este estudio se enmarca dentro del trabajo de la comunidad científica para conocer y tener poder de predicción sobre el ciclo del carbono. Esta tesis se centra en el intercambio de dióxido de carbono (CO2) entre la atmósfera ...
Tsagkari, Marouko (Date of defense: 2022-06-01)
In the discussions on climate change, the transition to renewable energy is seen as one of the biggest and most urgent steps the world can take to avoid ecological collapse. At the same time, the decentralized and abundant ...
Trapote Forné, Mari Carmen (Date of defense: 2019-09-16)
Varved lake sediments also known as annually laminated sediments, are natural paleoenvironmental archives containing high-resolution proxy data and precise chronologies. They are one of the few natural archives that can ...
Hamdane, Yassine (Date of defense: 2023-09-14)
[eng] The main driving force behind crop research is to ensure food security. Climate change, which affects most crops and increases the risk of disease and famine, is addressed in this notion. The Food and Agriculture ...
Abril Cuevas, Meritxell (Date of defense: 2017-05-03)
Nowadays, it is recognized that freshwater ecosystems can process a substantial part of the terrestrial organic matter they transport, thereby contributing significantly to global C fluxes. However, the mechanisms behind ...
López Acosta, María (Date of defense: 2018-09-21)
Silicon (Si), in its dissolved form of silicic acid (DSi), is a key nutrient in the ocean. The availability of such nutrient in marine ecosystems is regulated through its use by silica-secreting organisms, a variety of ...
Teutli Hernández, Claudia (Date of defense: 2017-09-14)
En los últimos años los proyectos de restauración se han incrementado por todo el mundo, particularmente los de manglares degradados, pero no se dispone de información suficiente sobre el grado de éxito de las acciones ...