[1]杨民益,杜阿朋,王彦辉.六盘山华北落叶松人工林地土壤水分动态研究[J].水土保持研究,2009,16(06):129-133.
　YANG Min-yi,DU A-peng,WANG Yan-hui.Dynamics of Soil Water Under Larix principis-rupprecht Ⅱ Plantation in the Liupan Mountains[J].Research of Soil and Water Conservation,2009,16(06):129-133.
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六盘山华北落叶松人工林地土壤水分动态研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 16 期数: 2009年06期 页码: 129-133 栏目: 出版日期: 2009-12-20
Title:
Dynamics of Soil Water Under Larix principis-rupprecht Ⅱ Plantation in the Liupan Mountains
作者:
杨民益1, 杜阿朋2, 王彦辉3
1. 宁夏回族自治区固原市原州区林业局, 宁夏 固原 756000;
2. 国家林业局 桉树研究开发中心, 广东 湛江 524022;
3. 中国林业科学研究院 森林生态环境与保护研究所, 北京 100091
Author(s):
YANG Min-yi1, DU A-peng2, WANG Yan-hui3
1. The Forestry Administration of Yuanzhou District, Guyuan, Ningxia 756000, China;
2. China Eucalypt Research and Development Centre of State Forestry Administration, Zhanjiang, Guangdong 524000, China;
3. Research Institute of Forestry Ecology, Environment and Protection, CAF, Beijing 100091, China
关键词:
六盘山; 华北落叶松; 土壤水分; 土壤蓄水量
Keywords:
the Liupan Mountains; Larix principis-rupprecht Ⅱ;  soil water; soil water storage
分类号:
S152.7;S724
摘要:
利用平衡式张力计和时域反射仪（TDR）定位监测方法，研究了六盘山山地华北落叶松人工林地土壤水分动态规律。结果表明：研究时段内，华北落叶松林内土壤水分时间动态变化可划分为土壤水分的相对湿润期、持续消耗期和快速恢复期；依据水分利用特征可将垂直土层划分为土壤水分的微弱利用层（0-20 cm）、利用层（20-60 cm）和水分调节层（60 cm以下）。华北落叶松林内0-60 cm各土层土壤蓄水量与太阳辐射、大气温度、VPD和液流通量均呈极显著相关（P<0.01），对各因子进行多元逐步回归分析，得到0-60 cm各土层土壤蓄水量与气象因子间的多元线性回归方程。
Abstract:
By using Equi tensiometer and time domain reflectmetry (TDR), a fixed-position monitoring was made on the dynamic characteristics of soil water under Larix principis-rupprecht Ⅱ plantation in the Liupan Mountains. The results showed that the dynamics of soil water could be described as relatively wetness period, durative consuming period and fast accumulating period. According to soil water utilizing character, the vertical soil water dynamics with soil depth can be divided into 3 layers: faintness-utilizing layer (0-20 cm), mostly-utilizing layer (20-60 cm) and adjusting layer (below 60 cm).Significant correlations existed between soil water storage and meteorological factors as the solar radiation, air temperature, vapor pressure deficit (VPD) and the sap flow flux (P<0.01). Carries on the multi-dimensional gradually regression analysis to various factors, the multi-dimensional equation of motion between the 0-60 cm various soil layers soil water-holding capacity with the meteorological factor was obtained.

参考文献/References:

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备注/Memo

收稿日期:2009-10-21;改回日期:。
基金项目:国家自然科学基金项目（40730631，40671038，30671677）；科技部“十一五”科技支撑计划项目课题（2006BAD03A1803）；科技部社会公益研究专项（2004DIB3J102）；中国林科院中央级公益性科研院所基本科研业务费专项资金（CAF YBB2007038，CAFRIF200702）；国家林业局森林生态环境重点实验室资助
作者简介:杨民益（1965- ），男，宁夏固原人，高级工程师，主要从事林业生产和乡土树种的研

更新日期/Last Update: 1900-01-01