Geraldes, Ana MariaBoavida, Maria José2011-03-312011-03-312002Geraldes, AM; Boavida, MJ (2002). Land use water level fluctuation and water quality in two reservoirs subjected to semi-arid climate (Trás -os -Montes, Portugal). In 4th International Conference on Reservoir Limnology and Water Quality. Ceske Budejovicehttp://hdl.handle.net/10198/3856Serra Serrada and Azibo reservoirs are located in River Douro watershed. The cLimate is continental, with warm, dry summers and long, cold winters. Precipitation occurs mainly in Autumn and Winter, although in a very irregular regime with wet winters to followed by drought ones.engconference object