Effects of Mountain Rivers Cascade Hydropower Stations on Water Ecosystems

Mengtian Sun (Guangxi Key Laboratory of Water Engineering Materials and Structures, Nanning, Guangxi, 530023, China; College of Hydrology and Water Resources, Hohai University, Nanjing, Jiangsu, 210098, China)
Kai Huang (Guangxi Key Laboratory of Water Engineering Materials and Structures, Nanning, Guangxi, 530023, China; Guangxi Hydraulic Research Institute, Nanning, Guangxi, 530023, China)
Jinhua Shao (Guangxi Key Laboratory of Water Engineering Materials and Structures, Nanning, Guangxi, 530023, China; Guangxi Hydraulic Research Institute, Nanning, Guangxi, 530023, China; Research Centre on Ecological Sciences, Jiangxi Agricultural University, Nanchang, Guangxi, 533045, China)
Weixiong Wu (Guangxi Key Laboratory of Water Engineering Materials and Structures, Nanning, Guangxi, 530023, China; Guangxi Hydraulic Research Institute, Nanning, Guangxi, 530023, China)
Xinyue Liang (Guangxi Key Laboratory of Water Engineering Materials and Structures, Nanning, Guangxi, 530023, China; Guangxi Hydraulic Research Institute, Nanning, Guangxi, 530023, China)

Article ID: 4259

DOI: https://doi.org/10.30564/re.v4i1.4259

Abstract


China is rich in hydropower resources, and mountain rivers have abundant water resources and huge development potential, which have a profound impact on the pattern of water resources allocation in China. As the main way of water resources and hydropower development, the construction of cascade hydropower stations, while meeting the requirements of water resources utilization for social development, has also brought adverse effects on river ecosystems. Therefore, the impact of the construction of cascade hydropower stations on mountainous river ecosystems, where the minimum ecological flow of rivers must be ensured and reviewed. In addition, this paper proposed the deficiencies and outlooks for cascade hydropower stations based on previous research results.


Keywords


Mountain rivers; Cascade hydropower stations; Development and operations; Ecological flow; Water ecosystems; Effects and countermeasures

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