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[1]CHEN Sun-hua.Soil Physiochemical Characteristics in Different Restoration Stages on Sloping-land with Purple Soils in Hengyang[J].Research of Soil and Water Conservation,2013,20(01):57-60.

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Soil Physiochemical Characteristics in Different Restoration Stages on Sloping-land with Purple Soils in Hengyang

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 20 Number of periods: 2013 01 Page number: 57-60 Column: Public date: 2013-02-28

Title:: Soil Physiochemical Characteristics in Different Restoration Stages on Sloping-land with Purple Soils in Hengyang

Author(s):: CHEN Sun-hua; College of Landscape and Architecture, Hu’nan Environmental-Biological Polytechnic College, Hengyang, Hu’nan 421005, China

Keywords:: soil physiochemical characteristics; different restoration stages; purple soil; Hengyang

CLC:: S153

DOI:: -

Abstract:: By using the space series to replace time courses, four typical sample plots: the bare land, herbaceous community, shrubby community and arboreal community in similar sites in the sloping land with purple soil in Hengyang, standing for four different restoration stages, were selected as the study sites to explore the relationship and interaction effects of plant communities with the soil physiochemical characteristics in different restoration stages. The spatial change of soil physiochemical characteristics was studied in different restoration stages and different soil layers at the same restoration stages. The results showed that the soil clay contents increased in general, which increased considerably in surface layers but increased very little in sub-surface and lower surface layers; the soil bulk density decreased with the succession of different restoration stages, and the bulk density in surface soil was lower than that in sub-surface and lower surface; the soil organic matter(SOM) increased with the succession of different restoration stages in general, but the SOM declined with the increase of soil depth, which showed a clear concentration of SOM in the topsoil; the soil TN, AP and AK increased with the successions of different restoration stages; the differences of plant root and litter amount distributions resulted in the differences in profile distributions of each soil nutrient. This study could enriched and broadened the research field of vegetation ecology and restoration ecology in this area to some extent and provided an important theoretical basis for ecosystem restoration and reconstruction in sloping-land with purple soil in Hengyang.

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