北京八达岭林场油松林地土壤抗冲性研究

林业资源管理 ›› 2009›› Issue (6): 80-83.

北京八达岭林场油松林地土壤抗冲性研究

张振明^1,2, 余新晓², 吴海龙², 宋思铭²

1.北京林业大学自然保护区学院,北京 100083;
2.北京林业大学水土保持与荒漠化防治教育部重点实验室,北京 100083

收稿日期:2009-08-20 修回日期:2009-09-30 出版日期:2009-12-28 发布日期:2020-12-18
作者简介:张振明(1979-),男,甘肃陇西人,讲师,主要从事湿地与森林水文研究。Email:mingzhzh010@yahoo.com.cn
基金资助:
国家林业局重点科研项目(2006-69);国家林业局林业公益性行业科研专项经费项目(200804022);“十一五”国家科技支撑计划项目(2006BAD03A0201);北京市科委重大项目“北京山区森林健康经营关键技术研究与示范”(D0706001000091)

Study on Anti-scouring Feature of Pinus Tabulaeformis Forest in Badaling Forest Farm of Beijing

ZHANG Zhenming^1,2, YU Xinxiao², WU Hailong², SONG Siming²

1. College of Nature Conservation, Beijing Forestry University, 100083,P.R.China;
2. Key Laboratory of Soil and Water Conservation and Desertification Combating of the Ministry of Education, Beijing Forestry University, 100083, P.R.China

Received:2009-08-20 Revised:2009-09-30 Online:2009-12-28 Published:2020-12-18

摘要/Abstract

摘要： 径流和土壤是引起水土流失的两个基本因子,采用原状土冲刷法和实地放水冲刷法对北京市八达岭林场油松林地进行土壤抗冲性研究。结果表明:原状土冲刷试验产沙量和时间之间的关系符合三次方方程,产沙量随坡度和流量的增大而增大;总产沙量与根系干重的拟合方程为二次方方程;实地放水试验当坡度相同时,产沙量和时间之间的关系式符合指数方程,产沙量和流量存在正相关关系;不论在原状土冲刷和实地冲刷试验中,其产流过程均为一单峰或多峰曲线。

关键词: 原状土冲刷法, 实地放水冲刷法, 油松林地, 北京八达岭

Abstract: Runoff and soil are two basic sides of soil erosion and water loss. The anti-scouring feature of forest land soil was examined by using the undisturbed soil sample washing experiment and the spot washing experiment. The results showed that in the undisturbed soil sample washing experiment, the relationship between sediment yield and time was a cubic equation. Furthermore, an increase in slope and runoff was accompanied by an increasing sediment yield. Its correlation equation with the dry weight of the roots was a quadratic equation. In comparison, in the spot washing experiment the relationship between the sediment yield and time was an exponential equation. There was a positive correlation between the sediment yield and the runoff. Both experiments indicated that the runoff process had single or multiple peaks.

Key words: undisturbed soil sample washing, spot soil washing, Pinus tabulaeformis forest, Badaling

中图分类号:

S157

张振明, 余新晓, 吴海龙, 宋思铭. 北京八达岭林场油松林地土壤抗冲性研究[J]. 林业资源管理, 2009,(6): 80-83.

ZHANG Zhenming, YU Xinxiao, WU Hailong, SONG Siming. Study on Anti-scouring Feature of Pinus Tabulaeformis Forest in Badaling Forest Farm of Beijing[J]. FOREST RESOURCES WANAGEMENT, 2009,(6): 80-83.

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