Mostrando ítems 11-13 de 13
Bernal Berenguer, Susana (Fecha de defensa: 2006-06-30)
The amount of dissolved inorganic nitrogen delivered to streams and groundwater has substantially increased in the last decades due to anthropogenic impacts. This fact has stimulated research on processes ...
Bonada i Caparrós, Núria (Fecha de defensa: 2003-04-02)
The main objective of this work has been to determine the structure of the macroinvertebrate communities in mediterranean rivers at different scales, organization and taxonomical levels. To achieve that, ...
Obrador Sala, Biel (Fecha de defensa: 2009-06-03)
Las lagunas litorales son sistemas altamente dinámicos en los que la vegetación sumergida juega un papel estructural y funcional fundamental. En esta tesis se ha realizado una aproximación a la ecología ...