我省一些大中型水库应用“赶、拦、刺、张”联合渔法,取得了良好的效果。但该渔法一次性投资大,作业时间长,投入的人员、船只多,经济效益较低。近几年由于多数灌溉型水库常年处于高水位运行,给联合渔法作业造成了很大的困难。因此,我们于1983年引进了辽宁省大伙房水库的“网 Some large and medium-sized reservoirs in our province use ”catch, block, stab, Zhang " joint fishing method, and achieved good results. However, the fishery has a one-time investment, long working hours, more personnel and vessels, and lower economic benefits. In recent years, most irrigated reservoirs have been operating at high water levels for many years, which has caused great difficulties in the joint fishing operation. Therefore, we introduced the network of Dahuofang Reservoir in Liaoning Province in 1983