Effect of water quality acidification and simulated acid rain on zooplankton

Abstract

Abstract: In the experiments of water quality acidification and simulated acid rain, 17 species of zooplankton (including9 species of Rotifera, 6 species of Cladocera and 2 species of Copepoda) are found. The results show that the numbers of species (10-13) and individuals (223.0-334.5L^-1) are larger at pH 5.0-8.3 and less (5—9 and 16.8—182.0L^-1) respectively at pH3.0 and 4.5, indicating that there are significant effects on zooplankton community below pH 5.0. The occurrence frequency of various species show that Copepoda can be gradually replaced by Rotifera below pH 5.5.

Key words: Experimental acidification, Acid rain, Zooplankton

Zhuang Dehui . Effect of water quality acidification and simulated acid rain on zooplankton[J]. Chinese Journal of Applied Ecology, 1993, 4(2): 187-191.

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