Effect of Acid Rain in Soil Microorganism

산성비가 토양미생물에 미치는 영향

  • 김갑정 (한남대학교 미생물학과) ;
  • 임진아 (한남대학교 미생물학과) ;
  • 박성주 (대전대학교 미생물학과) ;
  • 문형태 (공주대학교 생물학과) ;
  • 박경량 (한남대학교 미생물학과) ;
  • 이인수 (한남대학교 미생물학과)
  • Published : 1998.06.01

Abstract

In order to clarify the effects of acid rain on soil microorganisms, the inpact of acid to soil microorganisms was survyed for 14 weeks using soil microcosms from industrial site A and B, Gaejok mountain, and Daechong lake in Taejeon area. The acid tolerant-microorganisms in natural soil, using culturing method were counted to be 5.8 - $8.0{\times}10^6$CFU/g soil. The number of microorganisms using ATP-biomass analysis for natural soil samples were also analyzed and 2.2 - $2.6{\times}10^9$ cell/g soil in industrial site A and B, Gaejok mountain, and Daechong lake were determined. In soil samples, which were treated with artificial acid rain, the number of acid tolerant microorganisms were counted 2.9 - $5.8{\times}10^5$ and 2.8 - $7.5{\times}10^8$, respectively. Therefore, we conformed that the numver of soil microorganisms were influenced by acid rain. Also, long term acid tolerant microorganisms were identified as Rhodotorula sp. and Pseudomonas sp.

Keywords

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