Sanmartí Boixeda, Neus (Date of defense: 2020-12-18)
Our world is subjected to a panoply of drivers of change. In this context, the understanding on how our biosphere resists, absorbs or is altered by the changes, appears as a hot question in ecology. In ...
Barría Oyarzo, Claudio (Date of defense: 2017-09-12)
In this thesis, the ecological role of 26 species of abundant, rare and endangered chondrichthyans present in the western Mediterranean has been studied through the study of trophic ecology and main ...
Velasquez Vacca, Adriana (Date of defense: 2023-03-21)
[eng] Hawaiian green turtles Chelonia mydas were heavily exploited for their fat, meat and eggs by the Polynesians in the pre-contact era and continued to be commercially exploited until 1978 when they ...
Giménez, Joan (Date of defense: 2018-07-13)
This thesis fills important gaps of knowledge that will help to develop a proper conservation strategy for cetaceans in southern Iberian waters. We were able to define different ecological management ...
Nuez Rodriguez, Ignasi (Date of defense: 2023-06-26)
[spa] Los tiburones y en general los peces condrictios se encuentran entre los organismos más amenazados del planeta, siendo los efectos derivados de la interacción con actividades pesqueras, como la ...
Cruz Flores, Marta (Date of defense: 2020-06-05)
Los océanos están sufriendo un cambio muy rápido. Esto evidencia la necesidad de estudiar especies a largo plazo que puedan informarnos sobre la magnitud y dirección de estos cambios. Los ambientes ...
Cano Rocabayera, Oriol (Date of defense: 2019-10-29)
La introducció d’espècies invasores, juntament amb altres pertorbacions com l’augment dels nutrients, amenacen la biodiversitat nativa globalment. Les invasions biològiques d’espècies exòtiques es troben ...
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 ...
Contreras Fuentes, Tabit Alejandra (Date of defense: 2019-12-13)
Las especies de peces mesopelágicas que se incluyen en esta investigación corresponden la familia Myctophidae (orden Myctophiformes) con las especies Ceratoscopelus maderensis, Hygophum benoiti y ...
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 ...