The effects of logging on soil greenhouse gas (CO2, CH4, N2O) flux in a tropical rain forest, Peninsular Malaysia

Yuichiro Yashiro, Wan Rashidah Kadir, Toshinori Okuda, Hiroshi Koizumi

Research output: Contribution to journalArticle

44 Citations (Scopus)

Abstract

To evaluate the effects of logging on soil greenhouse gas flux in a tropical rain forest, we measured CO2, CH4, and N2O fluxes at logged and unlogged sites in Peninsular Malaysia (N = 7-27 at each site). Although soil temperature at the logged sites was higher than at unlogged sites, soil CO2 flux did not differ between sites. The CH4 consumption at the logged sites tended to be less than that at unlogged sites, and some soils at the logged sites emitted CH4. These results suggest that logging can decrease CH4 consumption or even convert CH4 sinks into sources. The increase in soil bulk density after logging might lowered the effective diffusivity of CH4 and O2 availability in soils, which might limit the CH4 consumption at the logged sites. N2O fluxes were increased significantly for at least 1 year after logging because of an increase in soil nitrogen availability. Logging decreased the CH4 absorption rate and increased the N2O emission rate of the soil. Based on these findings, we conclude that logging in tropical rain forests increases the emission of CH4 and N2O for at least 1 year after logging, thus potentially contributing to global warming.

Original languageEnglish
Pages (from-to)799-806
Number of pages8
JournalAgricultural and Forest Meteorology
Volume148
Issue number5
DOIs
Publication statusPublished - 2008 May 15
Externally publishedYes

Keywords

  • Carbon dioxide
  • Greenhouse gases
  • Logging
  • Methane
  • Nitrous oxide
  • Tropical rain forest

ASJC Scopus subject areas

  • Forestry
  • Atmospheric Science

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