[1]冯愿楠,朱清科,毕华兴.晋西黄土区沙棘与冰草蒸腾耗水规律研究[J].水土保持研究,2008,15(02):180-183.
　FENG Yuan-nan,ZHU Qing-ke,BI Hua-xing.Study on Transpiration and Water Consumption of Hippophae rhamnoides and Agropyron cristatum in the Loess Area of Western Shanxi Province[J].Research of Soil and Water Conservation,2008,15(02):180-183.
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晋西黄土区沙棘与冰草蒸腾耗水规律研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 15 期数: 2008年02期 页码: 180-183 栏目: 出版日期: 2008-04-20
Title:
Study on Transpiration and Water Consumption of Hippophae rhamnoides and Agropyron cristatum in the Loess Area of Western Shanxi Province
作者:
冯愿楠, 朱清科, 毕华兴
北京林业大学水土保持学院, 水土保持与荒漠化防治国家重点实验室, 北京, 100083
Author(s):
FENG Yuan-nan, ZHU Qing-ke, BI Hua-xing
College of Soil and Water Conservation, Beijing Forestry University, Key Laboratory of Soil and Water Conservation and Desertification Control, Beijing 100083, China
关键词:
沙棘; 冰草; 蒸腾速率; 光强; 扩散阻力
Keywords:
Hippophae rhamnoides; Agropyron cristatum; transpiration rate; light intensity; stomutic resistance
分类号:
Q945.172;S715.4
摘要:
在沙棘与冰草生长季的典型阴、晴天,通过对其叶片蒸腾速率、光强、气孔扩散阻力的测定,探讨晋西黄土区典型灌草植被沙棘、冰草的蒸腾耗水规律.结果表明:研究区内沙棘与冰草在生长季典型阴、晴天蒸腾速率日变化曲线均呈单峰曲线;阴、晴天光强对沙棘、冰草蒸腾速率的影响均大于扩散阻力的影响;阴天单株沙棘、冰草的日蒸腾量分别为227.81,6.99 g,晴天分别是2521.19,13.1 g.这些结果为提高该地区林木水分利用率提供了理论基础.
Abstract:
The typical vegetation,such as Hippophae rhamnoides,Agropyron cristatum,were selected in the Loess area of western Shanxi province.And the transpiration,light intensity,stomatic resistance of the vegetation were observed and analyzed.The results showed as follows:diurnal course of transpiration rate of Hippophae rhamnoides and Agropyron cristatum are singlepeak type curve,the max transpiration rate of Hippophae rhamnoides is higher than that of Agropyron cristatum in cloudy day but is lower in sunny day.In different weather condition,the influence of light intensity on the transpiration is bigger than stomatic resistance.The daily transpiration amount of Hippophae rhamnoides is smaller than that of Agropyron cristatum.Above the results will be provide the science basis of improving forest water use efficiency for the Loess area.

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备注/Memo

收稿日期:2007-7-28;改回日期:。
基金项目:黄土区农林复合系统可持续经营技术研究(2006CAF03A0503)
作者简介:冯愿楠(1983- )女,贵州思南人,硕士研究生,主要从事数字流域与数字水文研究.E-mail:fyhappy- ever@163.com

更新日期/Last Update: 1900-01-01