Study on Fishway Design of Longtang Dam Renovation Project
In order to mitigate the adverse effects of the Longtang Dam renovation project on the migration of fish in the Nandu River,the construction of fishway effectively reduces the obstruction impact of the dam on the upstream and downstream sections of the Nandu River and enhances the river connectivity.This paper investigates the design of the fishway of Longtang Dam renovation project on the Nandu River in Haikou City.It introduces the design and test process of the Longtang Dam fishway,including the swimming ability test of main fish species in Nandu River,the application of swimming ability index in fishway design,local mathematical model of fishway,local physical model of fishway,optimized design and fish release test.The research results can be used as reference for the design of other fishway facilities.
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