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Ecological Indicators v.75, 2017년, pp.118 - 125   SCIE SCOPUS
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Application of stress index in evaluating toxicological response of soil microbial community to contaminants in soils

Wang, Meie (State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China ); Faber, Jack H. ( Alterra, Wageningen UR, PO Box 47, 6800 AA Wageningen, The Netherlands ); Chen, Weiping ( State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China );
  • 초록  

    Abstract Toxic effects of chemical contaminants on soil microbial community structure and function have been widely studied. However, it is difficult to assess risks regarding soil microbial toxicity. In the ratio to reference approach, the stress index (SI) is used to indicate the relative change of biological response of organisms compared to a reference. In this study, the SI approach was used to assess the soil microbial stress levels of multiple heavy metal contaminated urban soil in three sites. Soil microbial community functional parameters suggested that two heavy metal contaminated sites (G and D) had apparently higher stress indexes relative to the reference site, N. Use of those similar microbial community functional parameters revealed that parameters such as N and C mineralization and alkaline phosphatase activity were sensitive to the addition of the herbicide Siduron. Soil G, which had the highest microbial stress index, showed more severe impairment when amended with Siduron, while soil N and soil D showed dose-dependent responses to Siduron. Overall, the results of this study indicated that, when compared with direct use of real data describing microbial parameters, use of SI in ecological risk assessment is more indicative and helpful. Highlights The use of SI in ecological risk assessment is indicative and helpful. Heavy metal contaminated soils had higher SIs relative to the reference site. N and C mineralization and alkaline phosphatase were sensitive to Siduron addition. Heavy metal contaminated soil showed more severe impairment when added with Siduron.


  • 주제어

    Soil contamination .   Ecological risk assessment .   Siduron .   Microbial stress index.  

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