Ara mostrant els elements 1-10 de 11
Ferrer Maza, Dolors (Data de defensa: 2016-02-05)
This PhD thesis evaluates the links between parasitism, condition and reproduction of mature female individuals of three of the most captured fish species in the western Mediterranean Sea: European hake, ...
Ruhí i Vidal, Albert (Data de defensa: 2012-01-20)
Man-made wetlands are often created to compensate for the loss or degradation of natural wetlands, but little is known about the processes taking place in these artificial environments, especially at ...
Merciai, Roberto (Data de defensa: 2016-09-30)
L'objectiu d'aquesta tesi és de'explorar alguns aspectes de l'impacte humà sobre les poblacions de peixos i altres components dels ecosistemes fluvials Mediterranis de Catalunya. Es va mostrar com els ...
Roura i Pascual, Núria (Data de defensa: 2006-12-12)
La formiga argentina (Linepithema humile) es troba entre les espècies més invasores: originària d'Amèrica del Sud, actualment ha envaït nombroses àrees arreu del món. Aquesta tesi doctoral intenta fer ...
Cano-Barbacil, Carlos (Data de defensa: 2022-11-18)
Fresh waters are among the most biodiverse ecosystems globally but, at the same time, also the most threatened. Serious threats to freshwater ecosystems are, for example, habitat alteration, invasive ...
Carol Bruguera, Joaquim (Data de defensa: 2007-12-14)
L'objectiu d'aquesta tesi és aportar les primeres dades sobre l'ecologia del silur (Silurus glanis) introduït a la Península Ibèrica i estimar els seu impacte ecològic sobre la biota nativa. Es van ...
Caballero-Huertas, Marta (Data de defensa: 2023-05-26)
Small pelagic fish play an important ecological role mainly due to their contribution in transferring energy from low to higher trophic levels. Likewise, the capture of these species is in many cases ...
Puig, Xavier, 1975- (Data de defensa: 2021-07-09)
We study the effect of organic farming practices on several taxa in olive groves and vineyards. Sessile organisms show a stronger response to treatment, their diversity being higher in organic vineyards. ...
Estany-Tigerström, David (Data de defensa: 2013-11-29)
We investigated whether the Argentine ant (Linepithema humile) invasion modifies the trophic web of the sclerophyllous Mediterranean forests to the point that impacts co-occurring bird communities. We ...
Villegas Hernández, Harold O. (Data de defensa: 2015-09-04)
A direct consequence of sea warming in the Mediterranean is a increase in the abundance of thermo-tolerant species fish species such as Sphyraena viridensis, Pomadasys incisus, Pomatomus saltatrix and ...