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1982年12月4日上午,突然刮起5-6级西北风,风速大,温度低,由于大风强力吹动,池水流转混合,水温迅速降低,4日夜最低气温达到-10℃,池水开始结冰。鱼类死亡过程和征象:4日中午发现“外荡”越冬池(约250亩,池形不规则)的白鲢、麦穗鱼种开始聚集,继而草鱼、鲤鱼也开始聚集,互相混杂,集群越来越大,下午开始死亡。集群地点起初主要集中在进水口处和相对方向的越冬池“稻地”区域(该处背风向阳,有水草和芦苇),随着时间
On the morning of December 4, 1982, a sudden northwesterly wind of 5-6 grade was blown up. The wind speed was high and the temperature was low. Due to strong wind blowing, the pool water flow was mixed and the water temperature dropped rapidly. The minimum temperature reached 4 ° C and -10 ° C. ice. Fish death process and signs: Found at noon on the 4th “outside the swing” overwintering pool (about 250 acres, irregular pool shape) of silver carp, wheat species began to gather, and then grass carp, carp began to gather, mixed with each other, the cluster Increasingly, the afternoon began to die. The cluster sites were initially concentrated in the wintering “paddy” area at the inlet and in the opposite direction (where the leeward, watery, and reedy) over time,