Martínez-Muñoz, Marco A. (Date of defense: 2012-06-06)
En la presente investigación, se estudió la estructura espacial de las asociaciones de peces demersales que forman parte de la captura incidental de la pesca de camarón, en el ecosistema costero del ...
Vilalta Baliellas, Elisabet (Date of defense: 2004-07-26)
The role of natural biofilms affecting the water quality in rivers has been the main theme in this study. Firstly, the study developed the capacity of biofilms in retention and/or production of DOC. ...
Gaudes Saez, Ainhoa (Date of defense: 2011-07-07)
This thesis focuses on the study of the meiofaunal community in streams and rivers of the Mediterranean region. It approaches to a community level from a functional point of view, studying their response ...
Ordóñez Salinas, Jaime (Date of defense: 2010-09-21)
La disponibilidad y calidad del agua que se encuentra en los embalses depende de factores relacionados directamente con las características de la cuenca a la que pertenece el río embalsado, como las ...
Caballero Solares, Albert (Date of defense: 2015-03-04)
Si vol consolidar-se com a explotació econòmicament i ecològicament sostenible, la piscicultura ha de deslligar-se de la pesca mitjançant la reducció del contingut de farina de peix als pinsos. Aquesta ...
Costalago Meruelo, David (Date of defense: 2012-12-10)
In the northwestern Mediterranean anchovy and sardine are among the most ecologically and economically important species. Both species are planktivorous during all their life stages, which could ...
Comerma Gómez, Marta (Date of defense: 2003-03-24)
We studied the planktonic food web in the eutrophic Sau Reservoir (Catalonia, NE Spain) taking account of both spatial as well as temporal scales. We have analysed several longitudinal transects (sampling ...
Romaní i Cornet, Anna M. (Date of defense: 1997-10-21)
Helerotrophic (cetoenzymatic and respiratory activities) and autotrophic (photosynthetic activity) metabolism on epilithic strearn biofilms have been measured, analyzed and studied in this thesis.<br/><br/>The ...
Ventura Oller, Marc (Date of defense: 2005-01-28)
The aim of this thesis was to describe the life history variability of the assemblage of crustacean zooplankton in Lake Redon, with special emphasis in their life-cycles, ecological characteristics and ...
Sabaté i Jorba, Santi (Date of defense: 1993-05-21)
L'objectiu general d'aquesta tesi queda emmarcat dins del coneixement del bosc mediterrani i en concret de l'alzinar. El que s'ha pretés és analitzar en el cas de l'alzina (Quercus ilex L.). 1) Com la ...