Effects of vegetation history on distribution of Al in surface soils of suburban forests in Aichi Prefecture, Japan |
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Authors: | Min Sik Kim Chisato Takenaka Ho Taek Park |
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Institution: | (1) Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Japan;(2) Hydrological Cycle Observational Research Program, Institute of Observational Research for Global Change (IORGC), JAMSTEC, Yokosuka, Japan;(3) Present address: Forest Resources Development, Division of Forest Resources, College of Forest Sciences, Kangwon National University, Chunchon, 200-701, Korea |
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Abstract: | This study examined the distribution of water-extractable Al in soils from forest sites near Nagoya in Aichi Prefecture. The
mean concentrations of water-extractable Al in surface soils varied markedly among sites, with the values at site FGB (126 mg/kg)
higher than those at sites FG (11.8 mg/kg) and FCB (33.8 mg/kg). Comparisons of the acid buffer capacity of vegetation at
the sites revealed that forest cover has a higher capacity for neutralization than the denuded state. We found that the effects
of acidic accumulation in the surface soils of suburban forests might depend on vegetation history, and that forest soils
that once had no vegetation cover accumulated labile Al due to acidification. The phenomenon was particularly distinct on
granite bedrock. |
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Keywords: | Aluminum Vegetation history Granite Conglomerate Suburban forest |
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