2种蓝藻的生长对不同环境pH的响应

利用静态实验法研究了满江红鱼腥藻和固氮鱼腥藻在不同pH环境中的生长与环境的相互关系。实验结果表明,在pH5～9的环境中,2种藻都可以正常生长,且生长的过程中还改变了生长环境的pH值,酸性环境pH值都发生上升,碱性环境的pH改变不大。在pH3和11的环境中,2种藻的生长都受到抑制。

Responses of Growth of Two Cyanobacteria Species to Different pH Environments

The growth of Anabaena azollae and Anabaena azoxica under different external pH environments were studied.Results showed that these two cyanobacteria species could grow normally at pH from 5 to 9.With the algal growth,the initial environment pH would change.While the original acid pH values were increased with average of 2 to 3 units,alkaline pH were not changed notedly.Growth of cyanobacteria decreased in terms of cell numbers after 120 hours at pH of 3 and 11.