Ara mostrant els elements 21-30 de 49
Costalago Meruelo, David (Data de defensa: 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 ...
Romaní i Cornet, Anna M. (Data de defensa: 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 (Data de defensa: 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 ...
Verkaik, Iraima (Data de defensa: 2010-12-09)
Wildfire effects on macroinvertebrate communities have not been intensively studied in other areas than the Western US, and the results in fire prone areas like NE Mediterranean and SE Australia are ...
Restrepo Ortiz, Claudia Ximena (Data de defensa: 2016-02-05)
The annual dynamics of three different ammonia-oxidizing archaea (AOA) ecotypes (amoA gene) and of the SAGMCG-1 (Nitrosotalea-like aquatic Thaumarchaeota) group (16S rRNA gene) were studied by newly ...
Peipoch Güell, Marc (Data de defensa: 2014-06-25)
The main goal of this thesis is to investigate how (15)N natural abundances can help understanding the role of different primary uptake compartments (i.e., biofilm, filamentous algae, bryophytes, ...
Tomlinson, Benjamin John (Data de defensa: 2016-01-20)
The Systems Approach Framework (SAF) is a methodological framework designed to enhance the efficacy of human decision-making processes within social-ecological systems with regard to sustainability. The ...
Kersting, Diego K. (Data de defensa: 2014-02-07)
Marine ecosystems are declining worldwide threatened by an increasing number of stressors. Global change-related disturbances have highlighted the need of new complementary conservation measures; for ...
Bartumeus i Ferré, Frederic (Data de defensa: 2005-06-17)
ENGLISH ABSTRACT:<br/><br/>The general aim of this thesis was to develop a theoretical framework in order to study large-scale animal movements and/or dispersal processes as random search strategies. ...
Rodríguez Climent, Sílvia (Data de defensa: 2014-12-05)
The Ebro Delta represents the most important wetland area in Catalonia, the second most important in Spain (after Doñana National Park) and one of the most important estuarine zones in Europe. Although ...