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논문 기본 정보

자료유형
학술저널
저자정보
Jae Eun Park (Ewha Womans University) Byung-Tae Lee (Gwangju Institute of Science and Technology) Byung-Yong Kim (Chun Lab, Inc.) Ahjeong Son (Ewha Womans University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제23권 제4호
발행연도
2018.12
수록면
420 - 429 (10page)

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초록· 키워드

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Soil stabilization is a soil remediation technique that reduces the mobility of heavy metals in soils. Although it is a well-established technique, it is nonetheless essential to perform a follow-up chemical assessment via a leaching test to evaluate the immobilization of heavy metals in the soil matrix. Unfortunately, a standard chemical assessment is not sufficient for evaluation of the biological functional state of stabilized soils slated for agricultural use. Therefore, it is useful to employ a pyrosequencing-based microbial community analysis for the purpose. In this study, a recently stabilized site in the proximity of an exhausted mine was analyzed for bacterial diversity, richness, and relative abundance as well as the effect of environmental factors. Based on the Shannon and Chao1 indices and rarefaction curves, the results showed that the stabilized layer exhibited lower bacterial diversity than control soils. The prevalence of dominant bacterial populations was examined in a hierarchical manner. Relatively high abundances of Proteobacteria and Methylobacter tundripaludum were observed in the stabilized soil. In particular, there was substantial abundance of the Methylobacter genus, which is known for its association with heavy metal contamination. The study demonstrated the efficacy of (micro)biological assessment for aiding in the understanding and post-management of stabilized soils.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results
4. Discussion
5. Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2018-539-003101101