Soil Structure Properties and its Effect on Soil Erosion of Artificial Forest in Purple Hilly Areas of Sichuan Province

ZHANG Bao-hua; XU Pei; LIAO Chao-lin; HE Yu-rong; WANG Qing

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Soil Structure Properties and its Effect on Soil Erosion of Artificial Forest in Purple Hilly Areas of Sichuan Province

- Soil Structure Properties and its Effect on Soil Erosion of Artificial Forest in Purple Hilly Areas of Sichuan Province
- Bulletin of Soiland Water Conservation Vol. 24, Issue 3, Pages: 25-28(2005)
- 作者机构：
  
  1. 中国科学院成都山地灾害与环境研究所,四川,成都,610041
  2. 中国科学院研究生院,北京,100039
  3. 聊城大学环境与规划学院,山东,聊城,252059
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2005
- 稿件说明：
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ZHANG Bao-hua, XU Pei, LIAO Chao-lin, et al. Soil Structure Properties and its Effect on Soil Erosion of Artificial Forest in Purple Hilly Areas of Sichuan Province[J]. Bulletin of Soiland Water Conservation, 2005, 24(3): 25-28.
DOI：

ZHANG Bao-hua, XU Pei, LIAO Chao-lin, et al. Soil Structure Properties and its Effect on Soil Erosion of Artificial Forest in Purple Hilly Areas of Sichuan Province[J]. Bulletin of Soiland Water Conservation, 2005, 24(3): 25-28. DOI：

摘要

为分析川中丘陵区人工林下土壤侵蚀现象较为严重的原因

在中国科学院盐亭农业生态试验站取土样分析了土壤结构性

研究了其与表层土壤侵蚀率的关系。结果表明

研究区人工林土壤团聚体稳定性较差、非毛管孔隙数量少;表层土壤侵蚀率(SER)较大并与>0.25mm水稳性团聚体含量(WSA)、结构体破坏率(SPBR)、团聚体平均重量直径差值(MWDC)、非毛管孔隙度具有明显的对应关系。简要分析并提出了土壤结构性差、侵蚀严重的原因及措施。

Abstract

Abstrcat For studying the reasons of intensive erosion of artificial forest in hilly area of Sichuan Province

the structural properties and its relationship with surface soil erosion ratio are analyzed using soil samples taken from Yanting Agro-ecosystem Station

Chinese Academy of Sciences. The results showed that soil aggregates are very unwaterstable and there are very little non-capillary pores; the waterstable aggregates larger than 0.25 mm

structure ped breaking ration

aggregates mean weight diameter change

and non-capillary pores correspond well with surface soil erosion ratios. The reasons of unstable structure and intensive soil erosion were analyzed. And the countermeas are given briefly

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