Effects of Secondary Succession on Micromorphology of Ando Soils in Central Japan

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  • 黒ボク土の微細形態に及ぼす植生遷移の影響
  • クロボクド ノ ビサイ ケイタイ ニ オヨボス ショクセイ センイ ノ エイキ

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Abstract

We observed micromorphology of Ando soils under the Miscanthus sinensis grassland, the red pine forest and the successional deciduous broad-leaved forest at Sugadaira, Central Japan. And we examined the effects of secondary succession on soil micromorphology. 1) The microstructure of surface soil changed from subangular blocky to crumb structure during the succession. 2) There were numerous granules of soil mesofauna excrements in the secondary forest soils. 3) The fractal dimension on distribution of peds increased with succession from 1.346 to 1.406. This indicates the increase of the surface area of the peds.

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