모암이 토양미생물 다양성에 미치는 영향

Effects of Parent Rocks on Soil Microbial Diversity

  • Suh, Jang-Sun (Division of Applied Microbiology, National Institute of Agricultural Science and Technology) ;
  • Kwon, Jang-Sik (Division of Applied Microbiology, National Institute of Agricultural Science and Technology) ;
  • Chon, Gil-Hyong (Division of Applied Microbiology, National Institute of Agricultural Science and Technology)
  • 투고 : 2003.03.28
  • 심사 : 2003.05.08
  • 발행 : 2003.06.30

초록

토양미생물의 생태적 특성을 평가하기 위해 화강암, 석회암 및 현무암을 모재로 한 12개의 토양통의 미생물적 특성을 조사하였다. 토양미생물상은 토양화학성과 유의한 상관관계를 보였는데, 특히 토양 pH는 형광성 슈도모나스와, 토양 EC는 방선균, 사상균, 중온성 Bacillus 및 호알카리성균과 정의 관계를 보였다. 포자형성균인 Bacillus는 화강암과 현무암에 비해 석회암토양에서 높은 균수를 보였으나, 그람음성균은 모암간에 비슷한 수준을 유지하였다. 화강암유래 토양에서는 Burkholderia, Pseudomonas, Ralstonia가, 석회암토양에서는 Pseudomonas, Burkholderia, Phyllobacterium가, 현무암토양에서는 Burkholderia속이 우점적으로 분포하고 있었다.

The effect of parent rocks to the soil microbial diversity were investigated in soils developed from granite, limestone and basalt parent rocks. In the soils, microbial populations were positively related to the soil chemicals, such as soil pH with ftuorescent Pseudomonas, and soil EC with actinomycetes, fungi, mesophilic Bacillus and alkaliphilic bacteria. Gram negative bacteria, spore forming Bacillus, were maintained relatively same levels of population between granite, limestone and basalt soils. Among the species of Burkholderia, Pseudomonas and Ralstonia were dominated in the granite soils, Pseudomonas, Burkholderia and Phyllobacterium in the limestone soils, and Burkholderia in the basalt soils.

키워드

참고문헌

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