Abstract
Soil respiration and soil carbon dioxide (CO2) concentration were investigated in a tropical monsoon forest in northern Thailand, from 1998 to 2000. Soil respiration was relatively high during the rainy season and low during the dry season, although interannual fluctuations were large. Soil moisture was widely different between the dry and wet seasons, while soil temperature changed little throughout the year. As a result, the rate of soil respiration is determined predominantly by soil moisture, not by soil temperature. The roughly estimated annual soil respiration rate was 2560 g C m−2 year−1. The soil CO2 concentration also increased in the rainy season and decreased in the dry season, and showed clearer seasonality than soil respiration did.
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Hashimoto, S., Tanaka, N., Suzuki, M. et al. Soil respiration and soil CO2 concentration in a tropical forest, Thailand. J For Res 9, 75–79 (2004). https://doi.org/10.1007/s10310-003-0046-y
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DOI: https://doi.org/10.1007/s10310-003-0046-y