Now showing items 21-40 of 195
Espinoza Vaca, Jorge Santiago (Date of defense: 2024-03-04)
[spa] El suelo, un recurso no renovable y esencial para el desarrollo de la vida, se ve afectado por los sistemas de producción de cultivos que provocan su degradación. El biocarbón, un producto rico en carbono obtenido ...
Suh, Jongmo (Date of defense: 2024-02-20)
[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, ...
Castro Quintas, Águeda (Date of defense: 2024-02-26)
[eng] During critical periods of development, psychosocial stress experiences may alter key neural networks of the human brain, with long-lasting effects on behavior and mental health. However, the specific biological ...
Osorio Álvarez, Víctor (Date of defense: 2024-02-06)
[eng] High mountain freshwater ecosystems, such as Pyrenean lakes, are distinguished by their unique ecological characteristics, which encompass their near-pristine undisturbed state, unique biodiversity, and their role ...
Mabano, Amani (Date of defense: 2023-12-19)
[eng] The overall objective of this thesis is to explore the effects of DD on C cycling in reservoirs because there are many dams under removal and many more predicted in the near future. To answer this question, we conducted ...
Bellvert Bantí, Adrià (Date of defense: 2023-11-02)
[eng] Without a shadow of a doubt, adaptive radiation processes have played a major role in our current understanding of how species evolved on our planet. Since the original proposal of the theory of evolution by natural ...
Sanjuan Muñoz, Adolfo (Date of defense: 2023-11-13)
[spa] El pez león (Pterois volitans) inició una propagación sin precedentes en rapidez y magnitud a partir de Florida, Estados Unidos de América, y quizás las Bahamas hace más de dos décadas. Actualmente se ha establecido ...
Cuesta Porta, Victor (Date of defense: 2023-11-13)
[eng] The oak gall wasps (Hymenoptera: Cynipidae: Cynipini) are a group of specialized endophytophagous microhymenopterans that induce galls on Fagaceae trees, principally oaks (Quercus L.). The systematics of this tribe ...
Quirós Garzón, Carolina (Date of defense: 2023-10-18)
[spa] El objetivo general de esta tesis ha sido estudiar el comportamiento solitario y social de un grupo de ocho delfines mulares (Tursiops truncatus) en cautividad (Zoo de Barcelona), durante dos periodos reproductivos, ...
Palma Guillén, Alfred (Date of defense: 2023-10-20)
[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 ...
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 ...
Rezzouk, Fatima Zahra (Date of defense: 2023-09-15)
[eng] Wheat is a major staple food worldwide. Its cultural and economic importance is mainly highlighted in the Mediterranean region, among other regions of the world. However, wheat production is frequently challenged by ...
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 ...
Gort Esteve, Araceli (Date of defense: 2023-09-22)
[eng] Deer populations are increasing in recent times. One of the main causes is the abandonment of agriculture and extensive livestock farming. This thesis focuses on expanding our knowledge about the biology of red deer ...
Badia Boher, Jaume Adrià (Date of defense: 2023-09-15)
[eng] In this thesis, we took advantage of recent advances in the degree of sophistication and flexibility of population models to study the population dynamics and conservation of long-lived species. As main objective, ...
Guardiola Ripoll, Maria (Date of defense: 2023-07-26)
[eng] Schizophrenia is a severe psychiatric disorder affecting around 24 million people worldwide. While we begin to disentangle the biological actors implicated in the origin of the disorder, the precise aetiological ...
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 sobrepesca y la pesca ...
De Castro-Fernández, Paula (Date of defense: 2023-05-12)
[spa] Debido a las condiciones ambientales y características biológicas únicas de los ambientes marinos antárticos, los efectos del cambio climático pueden ser devastadores y pueden reflejar el posible futuro a gran escala ...
Mosquera Vintimilla, Pablo (Date of defense: 2023-04-19)
[eng] High-mountain tropical lakes in the South American continent are located in the upper part of the Andes range in the equatorial zone (Venezuela, Colombia, Ecuador, Peru, and Bolivia), altitudinally, usually above the ...
Pastor Prieto, Marina (Date of defense: 2023-03-10)
[eng] Gelatinous zooplankton has been studied in the Western Mediterranean for a long time, however, its spatial structure has been mainly addressed in coastal areas, during spring and summer periods. Hence, information ...