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Application of earthworm in environmental safety study

LIANG Jidong1,2;ZHOU Qixing2,3;SUN Fuhong2,4   

  1. 1College of Energy and Power Engineering,Xi’an Jiaotong University,Xi’an 710049, China; 2Key Laboratory of Terrestrial Ecological Process,Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016, China; 3College of Environmental Science and Engineering,Nankai University,Tianjin 300071, China; 4Graduate University of Chinese Academy of Sciences,Beijing 100039, China

  • Received:2005-07-18 Revised:2005-09-28 Online:2006-05-10 Published:2006-05-10

Abstract: Earthworm is of significance in ecotoxicological diagnosis of environmental pollution,which is the basis of its application in environmental safety study.This paper overviewed several ecotoxicological diagnosing methods with earthworm,including acute toxicological test,field ecotoxicological test,biological detection of polluted environment,and microbioassays, discussed the research advances in monitoring environmental safety with earthworm,and summarized the application of earthworm in treating domestic wastes,agricultural organic wastes,and wastewater.The important ecological functions of earthworm in detoxifying polluted environment and the future development of earthworm’s application were expatiated.

Key words: Bita lake, Natural reserve, Ecotourism, Exploitation model