Roles of Self-recovering Vegetation in Soil and Water Conservation in Development and Construction Projects

CHANG Yan-ping; NIE Xing-shan

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Roles of Self-recovering Vegetation in Soil and Water Conservation in Development and Construction Projects

- Roles of Self-recovering Vegetation in Soil and Water Conservation in Development and Construction Projects
- Bulletin of Soiland Water Conservation Vol. 26, Issue 6, Pages: 139-141(2007)
- 作者机构：
  
  1. 山西省忻州市水利局
  2. ,北京,100049
  3. 山西省水土保持科学研究所, , , .,山西,忻州,034000
- 作者简介：
- 基金信息：
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- Published：2007
- 稿件说明：
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CHANG Yan-ping, NIE Xing-shan. Roles of Self-recovering Vegetation in Soil and Water Conservation in Development and Construction Projects[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 139-141.
DOI：

CHANG Yan-ping, NIE Xing-shan. Roles of Self-recovering Vegetation in Soil and Water Conservation in Development and Construction Projects[J]. Bulletin of Soiland Water Conservation, 2007, 26(6): 139-141. DOI：

摘要

通过分析最新的水土保持监测所获得的实地植被调查样方资料

论述了植被自然恢复在开发建设项目中的水土保持作用

并结合监测实践

探讨了植被自然恢对水土保持评价指标的影响。(1)在山西省雨量较为充沛的地区

如果重视保留表土并用之覆盖地表

就能使地面植被得到较大程度的自然恢复

其恢复面积占可绿化面积的比例约达25%。(2)在雨量较多地区的扰动地面

依靠植被自然恢复功能

可使植被盖度在1～2 a内达到50%以上

形成初级植被。(3)由于对乔灌木等深根性植物的破坏较为严重

因此

在1～2 a时间内

扰动地面上自然恢复所形成的植被-般为草本群落

并不能完全恢复当地的灌草植被、疏林灌草植被。

Abstract

According to the data from the investigation of vegetation with soil and water conservation supervise measures

this paper discusses the roles of self-recovering vegetation in development and construction projects and probes into the effects of self-recovering vegetation on the evaluation indexes of soil and water conservation.The results obtained indicate that if surface soil is well preserved

surface vegetation self-recovering accounting for nearly one-fourths afforestation area can be gained in the abundant rainfall area.De- pending on self-recovering vegetation on disturbed ground in the abu ndant rainfall area

primary vegetation coverage degree can reach more than 50% within 2 years.Owing to serious vegetation damage

shrubbery vegetation can not be completely recovered wit hin 2 years and self-recovering vegetation on disturbed ground is generally the herbage communities.

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