Ecological risk assessment of hydropower dam construction on aquatic species in middle reaches of Lancang River, Southwest China based on ESHIPPO model

An investigation was conducted on the phytoplankton, zooplankton, and fish at 8 sampling sections in the Manwan Reservoir before and after the construction of Xiaowan Hydropower Dam. The modified ESHIPPO model was applied to study the changes of the featured aquatic species, including endangered spe...

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Bibliographic Details
Published inYing yong sheng tai xue bao Vol. 24; no. 2; p. 517
Main Authors Li, Xiao-Yan, Peng, Ming-Chun, Dong, Shi-Kui, Liu, Shi-Liang, Li, Jin-Peng, Yang, Zhi-Feng
Format Journal Article
LanguageChinese
Published China 01.02.2013
Subjects
Animals
Aquatic Organisms - classification
Aquatic Organisms - growth & development
China
Ecosystem
Fishes - growth & development
Models, Theoretical
Phytoplankton - growth & development
Population Dynamics
Power Plants
Risk Assessment
Rivers
Water Supply
Zooplankton - growth & development
China
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Summary:An investigation was conducted on the phytoplankton, zooplankton, and fish at 8 sampling sections in the Manwan Reservoir before and after the construction of Xiaowan Hydropower Dam. The modified ESHIPPO model was applied to study the changes of the featured aquatic species, including endangered species, endemic specie, peis resource species, and native fish, aimed to make an ecological risk assessment of the dam construction on the aquatic species. The dam construction had definite ecological risk on the aquatic species, especially the endemic fish, in Langcang River, due to the changes of hydrological conditions. The endemic species including Bangia atropurpurea, Lemanea sinica, Prasiola sp., Attheyella yunnanensis, and Neutrodiaptomus mariadvigae were at high ecological risk, and thus, besides monitoring, protection measures were needed to be taken to lower the possibility of the species extinction. The widely distributed species of phytoplankton and zooplankton were at medium ecological risk, and protecti
ISSN:1001-9332