Chang, Chao-Ting (Date of defense: 2017-07-07)
The variations of ecosystem and soil respiration are mainly driven by temperature and precipitation, but the importance of temperature and precipitation could vary across temporal and spatial. At diurnal ...
Ramos de Fuentes, Eduardo (Date of defense: 2018-09-28)
Rice (Oryza sativa) is the most important crop for human direct consumption, but its yield and production are strongly affected by biotic and abiotic stresses. Rice is the most salt-sensitive cereal and ...
Tauler Ametller, Helena (Date of defense: 2018-06-14)
En la present tesi s’avaluen les causes del creixement demogràfic de la població d’aufrany (Neophron percnopterus) a Catalunya, així com també s’estudia la influència dels canvis ambientals antropogènics, ...
Pintanel Costa, Pol (Date of defense: 2018-11-26)
Temperature is likely to be one of the most important abiotic factors given how it affects the physiology of the whole organism and as a consequence, it has an essential role in ecology and evolution. ...
Anadon Rosell, Alba (Date of defense: 2017-04-25)
High-elevation and high-latitude ecosystems are expected to be especially vulnerable to global change. Dwarf shrub species cover extensive areas in high mountain ecosystems, and warmer temperatures and ...
Reina Rodríguez, Guillermo A. (Date of defense: 2016-10-04)
La riqueza de orquídeas en Colombia alcanza una cifra de 4.270 especies, sin embargo, nuevos hallazgos sugieren no haber llegado a un punto de inflexión. La condición epífita en el 69% de sus especies ...
Poblador Ibáñez, Sílvia (Date of defense: 2018-07-10)
During the last decades, most of the studies based on climate change effects on vegetation physiology have focused on upland forests and species at their border of distribution, since, in both conditions, ...
Illa Bachs, Estela, 1978- (Date of defense: 2016-12-12)
En aquesta tesi ens plantegem aprofundir en el coneixement de l’estructura funcional i dels processos que expliquen la diversificació de les comunitats vegetals alpines pirinenques, i que regeixen el ...