The results show, with increasing metal concentration, the growth of Azolla is inhibited, the content of chlorophyll decreases and the soluble proteins are affected in some degrees.

• 结果表明,一定浓度的铅和汞不仅能抑制细绿萍的生长和发育,且能使其中的叶绿素含量下降,并对可溶性蛋白的含量也有一定的影响。