本文运用River2D栖息地模型对玉符河在不同流量下河段水深和流速分布进行模拟,计算河道内目标生物的栖息地数量,即加权可用面积（WUA）,在其计算结果上,归纳其生态水文规律。同时分析不同采样点处的底栖生物完整性与流量之间的关系。从以上两个方面综合分析针对玉符河进行的补水方案的有效性,为玉符河生态保护与修复以及水资源分配提供量化的依据。

Based on the habitat preference method,the Ｒiver 2D model is used to simulate the habitat of fish in Yufu Ｒiver,according to the number of fish habitat ( WUA) and benthic integrity on the Yufu Ｒiver recharge program comprehensive analysis． The result shows that taking the program of discharging the flow at Wohushan Ｒeservoir to 2 m3 /s,it is predicted that more than 50% of the optimal channel will be restored to most of the 104 national highway． considering the diversion status of the South－to－North Water Diversion Project,the discharge flow rate of 4 m3 /s is adopted,which will allow all the Yufu Ｒiver reach through and the ecosystem will recover to the upper middle level． The study serves as a reference for the ecological restoration of typical seasonal rivers which supply water from reservoirs in North China．