王煜,翟振男,戴凌全

• 1:三峡大学水利与环境学院

摘要(Abstract)：

三峡—葛洲坝梯级水利枢纽工程的建设和运行阻隔了长江部分洄游鱼类的洄游通道,梯级水库的联合调度运行改变了坝下河道天然径流过程,对被迫在坝下形成新产卵场的珍稀水生物中华鲟的产卵繁殖产生一定影响。为有效保护中华鲟资源,在明确梯级水库调度运行与中华鲟产卵场产卵适合度相关性分析的基础上,提出优化三峡下泄流量和葛洲坝运行方式相结合的三峡—葛洲坝梯级水库生态调度方式,以补偿中华鲟产卵栖息所需的河流生境。通过以三峡水库的实际来流过程输入水库生态调度模型,得出中华鲟产卵期(每年10—12月)补偿其产卵栖息水环境的梯级水库联合生态调度方式。根据梯级水库生态调度与现有调度结果进行分析比较结果表明:梯级水库联合生态调度可在满足三峡水库常规调度目标的基础上同时满足中华鲟产卵所需的生态流量,配合葛洲坝电厂优化调度运行方式,可有效增加坝下中华鲟产卵场水动力环境产卵适合度,补偿梯级水库运行对中华鲟产卵生境造成的不利影响。

关键词(KeyWords)： 中华鲟;生态调度;产卵适合度;三峡—葛洲坝梯级水库;水利工程生态影响

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51409151);; 长江科学院开放基金(CKWV2014201/KY);; 三峡库区生态环境教育部工程研究中心开放基金(KF2016-08)

作者(Author): 王煜,翟振男,戴凌全

DOI: 10.13928/j.cnki.wrahe.2017.06.018

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