[1]牛勇,汪滨,王玲,等.北京土石山区4种典型林分的水文效应研究[J].水土保持研究,2015,22(05):113-117,121.
　NIU Yong,WANG Bin,WANG Ling,et al.Study of Hydrological Functions of Four Types of Forest Stands in Rocky and Earthy Area of Beijing[J].Research of Soil and Water Conservation,2015,22(05):113-117,121.
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北京土石山区4种典型林分的水文效应研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年05期 页码: 113-117,121 栏目: 出版日期: 2015-10-28
Title:
Study of Hydrological Functions of Four Types of Forest Stands in Rocky and Earthy Area of Beijing
作者:
牛勇1, 汪滨1, 王玲2, 蔡永茂2, 张志强1
1. 北京林业大学 水土保持学院 水土保持与荒漠化防治教育部重点实验室, 北京 100083;
2. 北京市八达岭林场, 北京 102112
Author(s):
NIU Yong1, WANG Bin1, WANG Ling2, CAI Yongmao2, ZHANG Zhiqiang1
1. Key Laboratory of Soil and Water Conservation and Desertification Combating, Ministry of Education, College of Soil and Water Conservation, Beijing Forestry University, Beijing 100083, China;
2. Beijing Badaling Forest Farm, Beijing 102112, China
关键词:
冠层截留; 枯落物; 水力学参数; 土石山区; 水文效应
Keywords:
canopy interception; forest litter; hydraulics parameter; rocky and earthy area; hydrological functions
分类号:
S715
摘要:
以北京土石山区4种典型林分的林冠层、枯落物层、土壤层3个水文作用层为研究对象，采用浸水法等传统测量方法，测定了不同林分的冠层截留量、树干径流量、穿透降雨量以及土壤和枯落物层的水力学参数，并分析了其水文效应。结果表明：不同林分的林冠截留能力相差较大，其中侧柏—黄栌混交林的冠层截留率最大为29.1%，其余依次为侧柏林、油松纯林和元宝枫纯林，油松纯林的树干径流量占降雨比例最大（5.8%），其余依次为侧柏—黄栌混交林、元宝枫纯林和侧柏林，各项林冠截留率与大多数在干旱半干旱地区取得结果较为一致。从月份尺度的变化趋势来看，不同林分的截留量均为6月最大，7月、8月、9月、10月和5月依次减小，即截留量与降雨量呈正比关系。4种林分枯落物总蓄积量范围为26.3～246.0 t/hm2，其中油松纯林的枯落物储量显著大于其他林分类型（p < 0.05），侧柏纯林、侧柏—黄栌混交林、元宝枫纯林依次次之，不同林分枯落物的最大持水量和有效持水量的大小排序与之一致。受土壤的物质构成、机械组成、根系的发育状况等因素影响，侧柏纯林的土壤孔隙度和饱和入渗速率（Ks）依次大于侧柏—黄栌混交林、油松纯林和元宝枫纯林。
Abstract:
Hydrological functions of three hydrological function layers of four forest types were investigated in forest stands of rocky and earthy area in Beijing. The traditional measurement methods were used to monitor throughfall, stemflow, interception loss, hydraulics parameters of forest litter and soil. The results indicated that the interception capacity of different vegetation was significantly different, with the maximal canopy interception of stand of mixed Platycladus orientalis (L.) Franco and Cotinus coggygria Scop. (29.1%), followed by stands of Platycladus orientalis (L.) Franco, Pinus tabuliformis, Acer truncatum. The stem flow ratio of stand Pinus tabuliformis was the highest (5.83%), which fitted the results obtained in arid and semi-arid region well. At the monthly scale, the maximal interception ratio appeared in June, followed July, August, October and May, and there was a positive correlation between interception and rainfall. The forest litter quantity of four stands ranged from 26.3 t/hm2 to 246.0 t/hm2, and the forest litter quantity of stand Pinus tabuliformis was much greater than the others (p < 0.05),followed by stands of mixed Platycladus orientalis (L.) Franco and Cotinus coggygria Scop., Platycladus orientalis (L.) Franco and Acer truncatum, as the same order of the maximum water holding capacity and available interception amount of forest litter. The soil porosity and Ks of stand of mixed Platycladus orientalis (L.) Franco and Cotinus coggygria Scop. were greater than the other stands with the influence of material composition, mechanical composition, root, etc.

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备注/Memo

收稿日期:2014-11-03;改回日期:2014-12-05。
基金项目:国家林业公益性行业科研专项“森林经营对生态系统碳水耦合变化的影响机理研究”（201204102）
作者简介:牛勇(1984-),男,山东-城县人,博士,研究方向为森林水文。E-mail:niuyong1988@qq.com
通讯作者:张志强(1967-),男,内蒙古呼和浩特人,博士,教授,主要从事森林水文研究。E-mail:zhqzhang@bjfu.edu.cn

更新日期/Last Update: 1900-01-01