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Effects of elevated atmospheric CO2 concentrations on soil microorganisms
- Effects of elevated atmospheric CO2 concentrations on soil microorganisms
- Freeman C.; Kim S.-Y.; Lee S.-H.; Kang H.
- Ewha Authors
- 강호정; 이승훈
- Issue Date
- Journal Title
- Journal of Microbiology
- vol. 42, no. 4, pp. 267 - 277
- SCIE; SCOPUS; KCI
- Effects of elevated CO2 on soil microorganisms are known to be mediated by various interactions with plants, for which such effects are relatively poorly documented. In this review, we summarize and synthesize results from studies assessing impacts of elevated CO2 on soil ecosystems, focusing primarily on plants and a variety the of microbial processes. The processes considered include changes in microbial biomass of C and N, microbial number, respiration rates, organic matter decomposition, soil enzyme activities, microbial community composition, and functional groups of bacteria mediating trace gas emission such as methane and nitrous oxide. Elevated CO2 in atmosphere may enhance certain microbial processes such as CH4 emission from wetlands due to enhanced carbon supply from plants. However, responses of extracellular enzyme activities and microbial community structure are still controversy, because interferences with other factors such as the types of plants, nutrient availabilitial in soil, soil types, analysis methods, and types of CO2 fumigation systems are not fully understood.
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- 엘텍공과대학 > 환경공학전공 > Journal papers
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