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자료유형
학술대회자료
저자정보
Inubushi, K. (Chiba University)
저널정보
한국토양비료학회 한국토양비료학회 학술발표회 초록집 The 9th International Conference of The East and Southeast Asis Federation of Soil Science Societies
발행연도
2009.10
수록면
249 - 253 (5page)

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초록· 키워드

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Global climate is changing rapidly due to intensive human activities. Geological history and evolution of life indicate adaptation of organisms including soil microorganisms to drier environments or contaminated soil. One example is blue-green algae, or cyanobacteria, living on soil surface. They can grow on salt-affected arid soil, and act as moderators of sever soil environments such as large temperature fluctuations and soil evaporations. Another example is anaerobic methanogens in contaminated soil with volatile organic compounds(VOCs). During bioremediation of contaminated soil, methane and hydrogen gases are produced which may cause side-effect of VOCs-remediation. Biological history of the earth also indicates that micoorganisms play important roles in changing earth system and global warming. Photo-synthetic microorganisms including cyanobacteria produced oxygen to change the atmosphere aerobic and plant-fixed carbon were partly kept as soil organic matter and peat to sequestrate from atmospheric CO<SUB>2</SUB>, but recent intensive human activities increased greenhouse gases, not only CO<SUB>2</SUB> but also methane and nitrous oxide. Future perspectives of increasing CO<SUB>2</SUB> imply soil microbial activity will be also changed. In this paper, these interactions are reviewed.

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Abstract
Geological history and evolution of life
Soil development and Terrestrial Ecosystem
A behavior of soil microorganisms at VOCs-contaminated bioremediation soil
Climate change and global environments
Conclusions
References

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UCI(KEPA) : I410-ECN-0101-2014-521-000652950