摘要
Hydropower cascade development have brought considerable economic benefits to flood control, irrigation, power supply, but the positive or negative impact for the ecological environment at the same time. The scope of the environmental impact of cascade hydropower development projects is larger, lasted longer, have influential groupment, systematicness, cumulativity, sweep property and the potential. This paper expounds the ecological status survey method, analyzing the influence of hydropowcr cascade development on water temperature, aquatic plants and so on. In order to realize the harmonious development of hydropower and ecology, taking the ＂ecological regulation＂the measures in the operation of cascade hydropower stations.
