Effects of elevated atmospheric CO2 concentrations on soil microorganisms

Chris Freeman, Seon Young Kim, Seung Hoon Lee, Hojeong Kang

Research output: Contribution to journalReview article

38 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)267-277
Number of pages11
JournalJournal of Microbiology
Volume42
Issue number4
Publication statusPublished - 2004 Dec 1

Fingerprint

Soil
Fumigation
Wetlands
Methane
Nitrous Oxide
Enzymes
Respiratory Rate
Atmosphere
Biomass
Ecosystem
Carbon
Gases
Bacteria
Food

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Applied Microbiology and Biotechnology

Cite this

Freeman, Chris ; Kim, Seon Young ; Lee, Seung Hoon ; Kang, Hojeong. / Effects of elevated atmospheric CO2 concentrations on soil microorganisms. In: Journal of Microbiology. 2004 ; Vol. 42, No. 4. pp. 267-277.
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Effects of elevated atmospheric CO2 concentrations on soil microorganisms. / Freeman, Chris; Kim, Seon Young; Lee, Seung Hoon; Kang, Hojeong.

In: Journal of Microbiology, Vol. 42, No. 4, 01.12.2004, p. 267-277.

Research output: Contribution to journalReview article

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