Bio-indicating function of soil protozoa to environmental pollution

Abstract

Abstract: Due to the abundant species and huge biomass,soil protozoa play an important role in soil ecosystem.As a bio-indicator,soil protozoa have many advantages over other soil animals.Studies on the community structures,quantities,and dynamic variations of biodiversity of soil protozoa could provide powerful means to evaluate natural environmental changes and to monitor the environmental pollution brought by anthropic activities.Based on the current study at home and abroad,this paper gave a review on the function of soil protozoa in ecosystems,their advantages as bio-indicator,and their responses to environmental factors,soil contaminants and the change of atmospheric CO₂.The application prospect of soil protozoa in eco-toxicity diagnosis was also discussed.

Key words: Soil protozoa, Bio-indicator, Environmental pollution, Eco-toxicity diagnosis

CLC Number:

S154.38⁺5

SONG Xueying, SONG Yufang, SUN Tieheng, ZHANG Wei, ZHOU Qixing. Bio-indicating function of soil protozoa to environmental pollution[J]. Chinese Journal of Applied Ecology, 2004, (10): 1979-1982.

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