老口航运枢纽过鱼设施与鱼类增殖保护站设计

Design of fish pass structure and fish reproduction protection station for Laokou Complex

老口枢纽坝址位于左、右江汇合口下游4.7 km的郁江河段,枢纽建成后阻隔了鱼类洄游通道,并对鱼类产卵场造成不利的影响,修建垂直竖缝式鱼道作为主要过鱼设施,修建鱼类增殖保护站开展人工增殖放流,作为主要鱼类保护措施,论述了这些保护设施的总体布置、设计和生产方式。

Laokou Complex is located on Yujiang fiver section, about 4.7km downstream of the conjunction of Zuoji- ang River and Youjiang River. In order to avoid its construction will block the fish migration way and affect spawning, vertical slot fish-way is designed as major fish pass structure, and fish reproduction protection station will be built for artificial breeding and releasing. An introduction was made on the general layout, design and production mode of these fish protection facilities.