Zhang Hongjinng,Xie Mingshu,Wang Yujie.Function of Soil Conservation on Different Forest Lands in Granite Region of the Three-gorge of the Yangtze River[J].Research of Soil and Water Conservation,1998,5(02):99-103,158.
长江三峡花岗岩出露区不同林地的土壤保持作用研究
- Title:
- Function of Soil Conservation on Different Forest Lands in Granite Region of the Three-gorge of the Yangtze River
- Keywords:
- the three-gorge of the Yangtze River; forest land; soil loss
- 摘要:
- 研究了长江三峡花岗岩出露区林地土壤流失特性，结果表明由鳞片状面蚀导致的土壤流失量分布与月降雨量的分布趋势基本一致，二者呈现出较为明显的线性相关关系，植被盖度≥0.70的林地土壤流失多集中发生在6～9月份，土壤流失量在500t/（km2·a）以下，盖度＜0.7的林地土壤流失年内分布时间多在3～10月份，土壤流失量为500～6000t/（km2·a）.
- Abstract:
- The property of soil loss on forest land and the time distribution in granite region ofthe Three-gorge of the Yangtze River were studied. The result shows that the general trend ofmonthly distribution of soil loss caused by the sheet erosion is in keeping with the monthlyrainfall,and both of them appear obviously relationship of liner. The amount of soil loss on forest land with above 0.70 of plant coverage is less than 500 t/(km2·a),which mainly occursfrom June to September. The amount of soil loss on the forest land with less that 0.70 of plantcoverage is 500~ 6 000 t/(km2·a),which mainly occurs from March to October.
参考文献/References:
1 Moldenhauar, W. C., Procedure for studying soil characteristics using disturbed samples and simulated rainfall, Transaction, American Society of Agricultural Engineers. 1965, 8(1):74-75
2 张洪江, 解明曙等.长江三峡地区花岗岩地区坡面糙率系数研究.水土保持学报, 1994, 8(1):33-38
3 曾秋
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备注/Memo
收稿日期:1998-3-10;改回日期:。
作者简介:张洪江，男，1955年1月生于河北省易县，1975年毕业于北京林学院（现北京林业大学）水土保持专业，1989年获农学硕士学位0 1996年获农学博士学位。现为北京林业大学水土保持学院副教授，水土保持原理教研室主任，硕士研究生导师。已在国内外科技刊物发表论文和译文50余篇。