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Practice on ecological flow and adaptive management of hydropower engineering projects in China from 2001 to 2015

机译：2001-2015年中国水电工程生态流量与适应管理实践

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In this study, 96 Environmental Impact Assessment (EIA) reports of hydropower projects from 2001 to 2015 have been collected, and four parts of the contents including the project status, hydrological characteristics, downstream fish status and ecological flow have been analyzed by statistical methods. Thus, we built the ecological flow database of hydropower projects in China, and analyzed the differences of ecological flow release before and after the implementation of the 2006 guideline, based on spatial and temporal characteristics analysis in ArcGIS platform. We also analyzed differences between the calculation methods, release types, safeguard measures and monitoring measures of ecological flow. Meanwhile, we analyzed the ecological benefits of insurance for endangered fish protection. We focused on the effectiveness of ecological flow guarantee and shortages after the 2006 guideline. Therefore, ecological flow practices on hydropower projects in China have been summarized, and we suggested 17% of annual average flow as the ecological flow constraint red line, combined with the flow process demand. Then we put forward the prospect of ecological flow research and practice in China, by strengthening the research of calculation principles, cascade reservoir operation and ecosystem recovery and rehabitation.
机译：本研究收集了2001年至2015年水电项目的96份环境影响评价报告，并通过统计方法分析了项目状况，水文特征，下游鱼类状况和生态流量等四部分内容。因此，我们建立了中国水电项目生态流量数据库，并基于ArcGIS平台的时空特征分析了2006年指南实施前后生态流量释放的差异。我们还分析了生态流量的计算方法，排放类型，保障措施和监测措施之间的差异。同时，我们分析了濒危鱼类保护保险的生态效益。在2006年指南之后，我们重点关注了生态流量保障和水资源短缺的有效性。因此，总结了中国水电项目的生态流量实践，并结合流量过程需求，提出了年平均流量的17％作为生态流量约束红线。然后，通过加强计算原理，梯级水库运行，生态系统恢复与栖息地的研究，提出了我国生态流研究与实践的前景。

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