1989年8月13日凌晨,我市沙沟镇许多养鱼单位的鱼池发生严重浮头泛池事故,从凌晨4时至上午9时近5个小时的时间内,共有11个单位、64个养鱼户4117.4亩成鱼池浮头泛池,计死亡养殖鱼23.75万公斤,占该镇养殖鱼总产的1/3,直接造成的经济损失约100万元。从调查的情况看,造成的主要原因有: 一、事故发生的气象因素:根 In the early morning of August 13, 1989, a serious flooding pan-pond accident occurred in fish ponds in many fish-raising units in Shagou Town of our city. From 4 a.m. to 9 a.m., nearly 5 hours, there were 11 units and 64 raising units 4117.4 mu of fishponds are floating ponds in floating fish ponds, accounting for 237,500 kilograms of dead aquaculture fish, accounting for 1/3 of the total output of farmed fish in the town. The direct economic loss is about 1 million yuan. From the investigation of the situation, the main reasons are: First, the weather elements of the accident: root