Soil Carbon Stock in Cambodian Monsoon Forests
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概要
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We studied the relationships among the soil C stock in tropical monsoon forests, the type of forest, and the environmental factors in the lower Mekong basin in Cambodia. We analyzed nine soil profiles in evergreen and deciduous forests growing over sedimentary rock and basalt. Evergreen forest soils tended to have a larger C stock than deciduous forest soils within geological formations. In evergreen and deciduous forest soils, carbon stocks were 56.9 ± 30.0 (mean ± SD) and 34.9 ± 23.5 Mg C ha<SUP>-1</SUP>, respectively, in the 0- to 30-cm depth range, and 108.7 ± 53.0 and 53.2 ± 30.4 Mg C ha<SUP>-1</SUP>, respectively, in the 0- to 100-cm depth range. Soil C stock was highly positively correlated with soil water content in the dry season, which is likely affected by the openness of the forest canopy and by soil clay content.
著者
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Ohta Seiichi
Graduate School Of Agriculture Kyoto University
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Hirai Keizo
Tohoku Research Center Forestry And Forest Products Research Institute
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Kanzaki Mamoru
Graduate School Of Agriculture Kyoto University
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ARAKI Makoto
Forestry and Forest Products Research Institute
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KIYONO Yoshiyuki
Forestry and Forest Products Research Institute
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TORIYAMA Jumpei
Forestry and Forest Products Research Institute
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Tith Bora
Forest Wildlife Science Research Institute Forestry Administration
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Ohnuki Yasuhiro
Forestry And Forest Products Research Institute
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TORIYAMA Jumpei
Forestry and Forest Products Research Institute (FFPRI)
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CHANN Sophal
Forestry and Wildlife Science Research Institute (FWRSI), Forestry Administration
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CHANN Sophal
Forest-Wildlife Research and Development Institute
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ITO Eriko
Hokkaido Research Center, FFPRI
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KETH Samkol
Forest-Wildlife Research and Development Institute
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TITH Bora
Forestry and Wildlife Science Research Institute (FWRSI), Forestry Administration
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