Quintana Pou, Xavier (Date of defense: 1995-10-10)
In this study the principal disturbance factors of the Empordà saltmarsh and their influence on water composition, and on plankton community structure and composition are analyzed. The importance of the ...
Borrego i Moré, Carles (Date of defense: 1996-11-15)
Green bacteria possess one of the most complexes antenna systems within the group of the photosynthetic microorganisms. One reason for this complexity is the high diversity of pigments antenna, the ...
Saguer Hom, Elena (Date of defense: 1997-10-22)
La major conscienciació actual dels problemes de pol·lució que acompanyen les pèrdues de N del sòl cap a l'atmosfera ha reorientat les investigacions cap a un coneixement més profund dels processos ...
García-Berthou, Emili (Date of defense: 1994-11-03)
Before 1910, the fish assemblage of Banyoles Lake (Catalonia, Spain) consisted of: eel (Anguilla anguilla), Mediterranean barbel (Barbus meridionalis), freshwater blenny (Bennius fluviatilis), ...