巨州市铜山源水库,正常库容1.1亿立方米,养鱼面积9,000亩。水库集雨面积较大,每年汛期常发电泄洪,大批鱼类通过发电输水洞外逃。为了减少逃鱼损失,1975年该库渔场试用旧拦网改装成一顶简易簸箕型定置张网贴于拦网外侧捕鱼,截至1979年的五年中,每年捕获外逃鲢、鳙鱼2万斤左右。从1980年开始,汛期时采用定置张网在 Tongzhou source of Giant City Reservoir, the normal storage capacity of 110 million cubic meters, 9,000 acres of fish culture area. The rainwater catchment area of ​​the reservoir is large. Floodwater is often generated in the flood season every year, and a large number of fish flee through the power transmission water tunnel. In order to reduce the loss of escape of fish, in 1975 the reservoir trial of the old block converted into a simple dumpling-type fixed web affixed to the outside of the block fishing, as of 1979, five years, catching fleeing silver carp, catfish 20,000 pounds. Since 1980, when the flood season set Zhang network