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1989年我渔场曾有一口以鲢鱼为主的亲鱼池塘,在人工繁殖即将来临之际发生了泛塘事件。当时由于该塘池水质看上去较为清新,透明度在50厘米左右,值班人员满以为象这样的池塘是不会泛塘,所以没有及时发现并开增氧机。事故发生后我场科技人员经过现场调查分析一致认为这次事件的罪魁祸首是:大量的枝角类、桡足类等水蚤。这种池塘远看上去清澈见底,但凑近水面看则见到岸边水蚤密密麻麻,上下串动。该塘由于鳙亲鱼放养较少(与白鲢之比为1:7)浮游
In 1989, there was a silver carp-based broodstock pond in my fishing grounds. Pan Tong incident occurred on the verge of artificial breeding. At that time, due to the pond water quality looks fresh, transparency of about 50 cm, on duty staff thought it would not Pan Tong pond, so there is no timely detection and increase oxygen machine. After the accident, our field scientific and technical personnel after field investigation and analysis agreed that the culprit of this incident are: a large number of cladocera, copepods and other daphnids. The pond looks crystal clear from far, but when you get closer to the surface of the water, you see dense and dense fleas on the shore. The pond due to broodstock stocking less (and silver carp ratio of 1: 7) floating