• Analysis of Soil Properties and Microbial Communities for Mine Soil Vegetation
  • Park, Min-Jeong;Yoon, Min-Ho;Nam, In-Hyun;
  • Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources (KIGAM);Department of Bio Environmental Chemistry, Chungnam National University;Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources (KIGAM);
  • 폐광산지역 토양 식생복원 과정 내 토양특성 및 미생물 군집 변화 분석
  • 박민정;윤민호;남인현;
  • 한국지질자원연구원 지구환경연구본부 환경지질연구실;충남대학교 농업생명과학대학 생물환경화학과;한국지질자원연구원 지구환경연구본부 환경지질연구실;
Abstract
Mine soil contamination by high levels of metal ions that prevents the successful vegetation poses a serious problem. In the study presented here, we used the microbial biocatalyst of urease producing bacterium Sporosarcina pasteurii or plant extract based BioNeutro-GEM (BNG) agent. The ability of the biocatalysts to bioremediate contaminated soil from abandoned mine was examined by solid-state composting vegetation under field conditions. Treatment of mine soil with the 2 biocatalysts for 5 months resulted in pH increase and electric conductivity reduction compared to untreated control. Further analyses revealed that the microbial catalysts also promoted the root and shoot growth to the untreated control during the vegetation treatments. After the Sporosarcina pasteurii or plant extract based BNG treatment, the microbial community change was monitored by culture-independent pyrosequencing. These results demonstrate that the microbial biocatalysts could potentially be used in the soil bioremediation from mine-impacted area.

Keywords: Mine soil vegetation;Urease, Plant extract;$CaCO_3$ precipitation;Microbial community analysis;

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This Article

  • 2015; 20(3): 83-91

    Published on Jun 30, 2015

  • 10.7857/JSGE.2015.20.3.083
  • Received on May 12, 2015
  • Revised on May 20, 2015
  • Accepted on May 26, 2015