Soil Conservation Effect of Reformed Low Beneficial Protection Forest

Wang Xingzhong

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Soil Conservation Effect of Reformed Low Beneficial Protection Forest

- Soil Conservation Effect of Reformed Low Beneficial Protection Forest
- Bulletin of Soiland Water Conservation Vol. 17, Issue 2, Pages: 14-18(1998)
- 作者机构：
  
  重庆市林业科学研究所
- 作者简介：
- 基金信息：
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- Published：1998
- 稿件说明：
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Wang Xingzhong. Soil Conservation Effect of Reformed Low Beneficial Protection Forest[J]. Bulletin of Soiland Water Conservation, 1998, 17(2): 14-18.
DOI：

Wang Xingzhong. Soil Conservation Effect of Reformed Low Beneficial Protection Forest[J]. Bulletin of Soiland Water Conservation, 1998, 17(2): 14-18. DOI：

摘要

通过对华蓥山低效防护林改造试验的效益观测分析得出：低效防护林改造的保土效益明显。实施改造5年后，由4个径流场测得试验林平均土壤侵蚀模数仅34.056t/km

.这一数据为合川市平均土壤侵蚀模数的1.39%

减少了2417.9t/km

.在试验林丰茂的植被条件下，雨强对土壤侵蚀的影响已从首位上退下来，仅为雨量影响的1/6.

Abstract

The effect of a test reformed low beneficial protection forest established on the Huaying mo untain has been observed and appraised.The result shows that the soil conservation effect of the forest is obvious.Having been implemented reformatio n for five years

the mean value of soil erosion modulus by measuring fo ur runoff fields in test forest was merely 34.056t/km2.The value was 1.39% of the mean soil erosion modulus in Hechuan city.With lush vegetation in test forest

the effect of rain intensity on soil erosion have retreated from the first place

it was merely 1/6 of that of precipitation.

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