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[Soil nematode as a bioindicator of environment pollution]
Wei Zhang1, Yufang Song, Tieheng Sun
1Key Laboratory of Terrestrial Ecological Process, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China. zhangweiLm@hotmail.com
Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology
|December 31, 2004
Summary
Soil nematodes are crucial mesofauna for ecosystem processes and soil health. This study reviews their use as bioindicators for diagnosing soil pollution using various ecological indices.
Area of Science:
- Soil Ecology
- Ecotoxicology
- Environmental Science
Background:
- Nematodes are vital soil mesofauna involved in essential soil processes.
- Their unique attributes make them valuable indicators of soil health.
- Soil pollution poses a significant threat to ecosystem functioning.
Purpose of the Study:
- To discuss the function and application of nematodes in indicating and diagnosing soil pollution.
- To review the characteristics of nematode community indices used as indicators.
- To explore the potential of soil nematodes as bioindicators in ecotoxicological diagnosis.
Main Methods:
- Literature review of current domestic and international studies.
- Analysis of various nematode community indices: maturity index, diversity index, similarity index, key species, N/C ratio, and physiological index.
- Evaluation of the effectiveness of these indices in soil pollution assessment.
Main Results:
- Nematode communities exhibit distinct responses to soil pollution.
- Specific indices like the maturity index and diversity index are sensitive to environmental changes.
- Nematode community structure provides a reliable basis for soil pollution diagnosis.
Conclusions:
- Soil nematodes serve as effective bioindicators for assessing soil pollution.
- Nematode community indices offer a robust tool for ecotoxicological diagnosis.
- Further research into soil nematode applications holds significant potential for environmental monitoring.