Ecological and Hydrological State of Dojran Lake (original) (raw)
ABSTACT In the Republic of Macedonia there are three natural lakes: Ohrid, Prespa and Dojran. Of these the Dojran Lake is the smallest, but not less significant as a water resource and as a scenic beauty. In the course of the last 15 years this site of natural heritage is threatened because the lake’s water level decreased seriously. The watershed area of the lake and the lake itself are shared by Macedonia and Greece. Recharge of the lake comes from direct runoff, small tributaries and groundwater. Since 1988 the lake surface area decreased from 42 km 2 to 31 km 2 , and more significantly, and the water volume dropped from 262 million m 3 to only 80 million m 3 in The decline of water quantity together with the simultaneous deterioration of water quality resulted in serious ecological impacts. Biodiversity diminished and the reduction of plankton led to a reduction of fish portion. The number of birds also decreased dramatically. The attack on the ecosystem had a harmful impact on ...
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