Impact of Hydropower Dam Development on River Ecosystems: Ecopath Model Application on the Red River in China as an Example

Impact of Hydropower Dam Development on River Ecosystems: Ecopath Model Application on the Red River in China as an Example
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水电大坝开发对河流生态系统的影响:以中国红河生态路径模型应用为例

DOI:
10.15244/pjoes/73805
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发表时间:
2017-11
影响因子:
1.8
通讯作者:
Peng L
Peng L
中科院分区:
环境科学与生态学4区
文献类型:
--
作者:
Wang Xu-Xi;Peng Li;Su Chun-Jiang;Cheng Gen-Wei;Wang Xu-Xi;Peng Li;Peng L;Peng L

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为了揭示水电开发对河流生态的影响,选取了我国红河上的天然河道、河道型水库和某坝式水电站坝下河道3个研究点。利用Ecopath模型分析了三种生态系统在结构和能量特征上的差异。结果表明,NC、CR和CB三种生态系统的能量流主要在I ~ IV营养级之间流动,其能量转移效率均以CR为特征
In order to reveal the influence of hydropower development on river ecology, we selected a number of research sites, including a natural channel (NC), a channel reservoir (CR), and a channel below the dam (CB) of a certain dam-type hydropower station on the Red River in China. We used the Ecopath model to analyze the differences in structures and energy characteristics of the three ecosystems. As indicated from the results, the energy flow in the three ecosystems of NC, CR, and CB mainly flows between trophic levels I and IV, and the overall transfer efficiencies of the three ecosystems are characterized by CR
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