黄土高原农牧交错带人工乔灌木林冠截留

生态学杂志

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黄土高原农牧交错带人工乔灌木林冠截留

成向荣^1,2;黄明斌²;邵明安²;虞木奎¹

¹中国林业科学研究院亚热带林业研究所，浙江富阳 311400;²中国科学院水利部水土保持研究所，黄土高原土壤侵蚀与旱地农业国家重点实验室，陕西杨凌 712100

收稿日期:2008-12-18 修回日期:1900-01-01 出版日期:2009-07-10 发布日期:2009-07-10

Canopy interception of tree and shrub plantations in a farming-pastoral zone of Loess Plateau.

CHENG Xiang-rong^1,2;HUANG Ming-bin²;SHAO Ming-an²;YU Mu-kui¹

¹Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang 311400, Zhejiang, China;²State Key Laboratory of Soil Erosion and Dryland Farming of the Loess Plateau, Institute of Soil and Water Conservation, Ministry of Water Resources, Chinese Academy of Sciences, Yangling 712100, Shaanxi, China

Received:2008-12-18 Revised:1900-01-01 Online:2009-07-10 Published:2009-07-10

摘要/Abstract

摘要： 在黄土高原农牧交错带的六道沟流域，通过2年观测，研究了主要人工造林树种油松、刺槐、柠条和沙柳的冠层截留特征。结果表明：4个树种林冠截留量和林内降雨量均与大气降水量呈正相关，其中林冠截留量与大气降水量呈幂函数关系;油松林平均截留率为16.7％，刺槐林为11.6％，沙柳林为12.8％，柠条林为11.2％。模拟结果表明，修正的王彦辉模型较原模型能够更好地反映黄土高原半干旱地区典型乔灌木树种冠层截留的大小。

关键词: 短萼黄连, 种群特性, 濒危机制

Abstract: A 2-year investigation was made on the characteristics of canopy interception of Pinus tabulaeformis, Robinia pseudoacacia, Caragana korshinskii, and Salix psammophila plantations in the Liudaogou watershed in a farming-pastoral zone of Loess Plateau. The canopy interception and the throughfall of the four plantations had significant positive correlations with precipitation, and the canopy interception could be expressed as a power function of precipitation. The average interception of the plantations was 167% for P. tabulaeformis, 116% for R. pseudoacacia, 112% for C. korshinskii, and 128% for S. psammophila. Simulation result showed that modified Wang’s model could more accurately estimate the canopy interception of the representative tree and shrub plantations in semiarid region of Loess Plateau.

Key words: Cchinensis varbrevisepala, Population characteristics, Endangering mechanism

成向荣;黄明斌;邵明安;虞木奎. 黄土高原农牧交错带人工乔灌木林冠截留[J]. 生态学杂志.

CHENG Xiang-rong^1,2;HUANG Ming-bin²;SHAO Ming-an²;YU Mu-kui¹. Canopy interception of tree and shrub plantations in a farming-pastoral zone of Loess Plateau.[J]. cje.

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[2]	邓云;王冰;苏文华;张光飞;欧阳志勤 . 濒危植物云南金钱槭对光、水环境的适应性 [J]. 生态学杂志, 2008, 27(06): 888-893 .

黄土高原农牧交错带人工乔灌木林冠截留

Canopy interception of tree and shrub plantations in a farming-pastoral zone of Loess Plateau.

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