| 摘要 |
A construction method for a fish movement system in a river dam is provided to help fish move from the bottom of the dam to the top of the dam by controlling water level to lift and lower a fish moving net along a fish way. A construction method for a fish movement system in a river dam comprises a fish way(1), a fish moving net(5), a water level controlling pipe(21), and a water level control valve(20). The fish way includes an inlet(3), an outlet(10), and a water pressure controlling door(4). The inlet and outlet are installed at upper and lower parts of the fish way to let fish in and out of the fish way. The fish moving net lifts and lowers according to water level in the fish way. The water level controlling pipe supplies water to the fish way. The water level control valve opens and shuts off the water level controlling pipe. |
