1980年9月,寒流持续六天侵袭新疆巴州地区,水温骤降,养鱼池中浮游生物大量死亡,水变清。在水温回升后的9月23日清晨,一个主养草鱼的池水呈现红棕色,鱼全部死了,死鱼全身充血。什么原因呢?原来在寒流未来前,此池中蓝藻占优势,大部是鱼腥藻和少数微囊藻,水面呈蓝绿色水华。藻体正常死亡时,未发生过死鱼现象。蓝藻喜高 In September 1980, the cold spell hit the Bazhou area of ​​Xinjiang for six days and the water temperature plummeted. A large number of plankton died in the fish ponds and the water became clear. In the early morning of September 23, after the water temperature rose, the water of a main grass carp showed reddish-brown, all the fish died, and the dead fish became systemic. What is the reason? In the cold before the future, this pool of cyanobacteria dominant, most of the Anabaena and a few Microcystis, the water was blue-green bloom. When the algae die normally, there is no dead fish phenomenon. Blue algae hi high