Study on the Initial Soil and Water Conservation Benefits of Yangtiz River Protective Forest

Shi Lixin; Peng Peihao; Mu Changlong

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Study on the Initial Soil and Water Conservation Benefits of Yangtiz River Protective Forest

- Study on the Initial Soil and Water Conservation Benefits of Yangtiz River Protective Forest
- Bulletin of Soiland Water Conservation Vol. 16, Issue 6, Pages: 14-22(1997)
- 作者机构：
  
  四川省林业科学研究院成都市,61008
- 作者简介：
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- Published：1997
- 稿件说明：
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Shi Lixin, Peng Peihao, Mu Changlong. Study on the Initial Soil and Water Conservation Benefits of Yangtiz River Protective Forest[J]. Bulletin of Soiland Water Conservation, 1997, 16(6): 14-22.
DOI：

Shi Lixin, Peng Peihao, Mu Changlong. Study on the Initial Soil and Water Conservation Benefits of Yangtiz River Protective Forest[J]. Bulletin of Soiland Water Conservation, 1997, 16(6): 14-22. DOI：

摘要

该文重点研究了新造防护林前5年的防护效益。结果林冠截留系数可达19%，地表径流系数比荒地减小10%至19%，土壤蓄水能力比荒地提高90%。造林第3年产沙量减少至造林前的03至0．9，第5年时仅为造林前的0．1至0．3。同时防护林效益将随林龄增加而增长。

Abstract

The initial 5-years benefits of newly built protective forest are studied in this paper.The results show that the canopy interception coefficient is up to 19%

runoff rate ofoverland flow decreases by 10~19% and the soil water storage capacity increases 90% than slope wasteland in the early two years.The annuaI sediment yield is decreases 10~70% in the third year and will be up to 70~90% in the fifth year after the protective forest has been built.At the same time

the benefits of protective forest will increase along with forest age prolonging.

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