Differences of Soil Erosion Between Micro-topography and Microhabitat in Clear-cutting Site of Karst Rocky Desertification Area
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S157.1;X157.1

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    Abstract:

    [Objective] The differences of soil erosion between micro-topography, microhabitat in clear-cutting site of the karst region were studied in order to provide suggestions for ecological restoration and control in clear-cutting site of the karst region.[Methods] Soil erosion monitoring method of pin was employed to monitor annually soil erosion in situ (differentmicro-topography, microhabitat) at a distance of 1 m×1 m within a research area enclosed by iron bars, and box chart and significance test were utilized to compare the difference of soil erosion between them.[Results] It was found that significant difference in the degree of soil erosion of different micro-topography and microhabitats in the study area. More specifically, depth of soil erosion of micro-topography manifested an overall scale of convex > flat > concave, while depth of soil erosion of microhabitat demonstrated an overall scale of stone-drain > stone soil surface > the side of stone > soil surface > rock tunnels. There was a significant correlation between micro-topography and soil erosion, while no significant correlation existed between microhabitats and soil erosion in groups, but stone-drain and soil surface were respectively correlate to each other significantly.[Conclusion] Ecological restoration and control should be carried out according to different micro-topography and microhabitat in karst mountain clear cutting site, and the key of control lied in the convex micro-topography, the microhabitat of stone-drain and stone soil surface.

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殷清慧,谢世友,蔡先立.喀斯特石漠化皆伐迹地不同微地形和小生境下的土壤侵蚀差异[J].水土保持通报英文版,2019,39(4):44-47,53

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History
  • Received:October 12,2018
  • Revised:November 15,2018
  • Adopted:
  • Online: September 12,2019
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