[1]李锡泉,田育新,袁正科,等.湘西山地不同植被类型的水土保持效益研究[J].水土保持研究,2003,10(02):123-125,157.
　LI Xiquan,TIAN Yuxin,YUAN Zhengke,et al.Effects of Different Vegetative Types on Soil and Water Conservation at Erosion Areas[J].Research of Soil and Water Conservation,2003,10(02):123-125,157.
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湘西山地不同植被类型的水土保持效益研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 10 期数: 2003年02期 页码: 123-125,157 栏目: 出版日期: 1900-01-01
Title:
Effects of Different Vegetative Types on Soil and Water Conservation at Erosion Areas
作者:
李锡泉1, 田育新1, 袁正科1, 陈晓萍2, 何友军2, 孙圣团3
1. 湖南省林业科学院, 长沙410004;
2. 湖南省林业厅;
3. 慈利县林业局
Author(s):
LI Xiquan1, TIAN Yuxin1, YUAN Zhengke1, CHEN Xiaoping2, HE Youjun2, SUN Shengtuan3
1. Hunan Academy of Forestry, Changsha 410004, Hunan, China;
2. Hunan Forestry Department, Hunan, China;
3. Forestry Bureau of Cili County, Hunan, China
关键词:
径流量; 产沙量; 输沙率; 小流域
Keywords:
runoff flow; sediment production; sediment discharge; catchments
分类号:
S157.433
摘要:
根据6种不同植被径观测流场资料分析发现:1荒山的坡面年产流量比5种有林地的坡面年产流量要大11.37%;不同林分类型坡面年产流量相差83.19%;2荒山坡面年产沙量、输沙率比有林地坡面要大238%～381%、335%～779%;天然次生林的坡面年产沙量、输沙率为经济林的54.35%、65.45%,林分保土效益大于保水效益335倍;3林地土壤侵蚀模数逐渐减少,造林5年后,可使造林前的中度流失降低到轻度流失;4坡耕地土壤侵蚀模数为5580t/(km2·a),比荒山的土壤侵蚀模数还要大110t/(km2·a).
Abstract:
Data collected from 6 runoff plots with different types of vegetation indicated that:1) The annual flow at barren land slope was 11.37% more than that at the other 5 forested land slops;the difference of flow at slopes of forested lands with different vegetation was 83.90%;2) The annual sediment production and discharge at the barren land slope were respectively 238%～381% and 335%～779%more than those at slopes of forested land;and the sediment production and flow at the primary natural forest land were only 54.3% and 65.45% respectively of those from the economic forest land;the effects of soil conservation was 335 times as much as that of water conservation;3) The specific erosion of forested land soil will decrease little by little,it’s predicted that 5 years after afforestating,the severe and middle erosion area before afforestating will decrease;4) The specific erosion at slope crop land was 5580 t/(km2·a),which was 110 t/(km2·a) more than that at barren land.

参考文献/References:

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[3] 田育新,袁正科,李锡泉,等.湘南丘陵区林下间种作物生产量与泥沙流失量的关系研究[J].湖南林业科技,2000,27(3):72-77.
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备注/Memo

收稿日期:2002-10-14
基金项目:"十五"国家重点科技项关项目2001BA501B-01-06子课题研究内容之一
作者简介:李锡泉(1956- ),男,湖南省华容县人,副研究员,主要从事森林生态、水土保持等方面的研究.

更新日期/Last Update: 1900-01-01