干旱区生态环境知识资源中心(Arid): 稳态气孔计法和整株称重法测定蒸腾速率的比较研究

Arid

	稳态气孔计法和整株称重法测定蒸腾速率的比较研究
其他题名	Comparison on the Transpiration Values Measured with Portable Steady Porometer Method and Whole-tree Weighing Method
	张卫强 1; 贺康宁 2; 邓军涛 3; 周毅 1; 钟锡均 1; 李召青 1
ISSN	1005-3409
出版年	2007
卷号	14 期号:6 页码:198-200,203
中文摘要	在黄土半干旱区,2004年生长季典型天气,采用盆栽试验,人为控制土壤水分,利用稳定气孔计法(Li-1600)与整株称重法(BP-3400精密天平),对侧柏、油松、刺槐和沙棘叶片蒸腾速率进行了测定.结果表明,随着土壤含水量的升高,叶片蒸腾速率上升;稳定气孔计测值恒大于整株称重的测值,两种方法测值的比值随土壤含水量的增加而升高,当土壤含水量达到田间持水量时,两种方法测定值的比值反而减小.7月,气孔计测值与整株称重测值之比,刺槐平均为2.50,沙棘为2.57;8月,侧柏为2.48,油松为2.28;10月,侧柏为1.19,油松为1.86,刺槐为1.53,沙棘为1.97,本研究可作为黄土半干旱区利用稳定气孔计研究林木蒸腾耗水的参考.
英文摘要	Transpiration rate of Platycladus orientalis, Pinus tabulaeformis, Robinia pseudoacacia and Hippophae rhamnoides were measured by portable steady porometer (Li-4600) and whole-tree weighing method (BP-3400) in growing season of 2004, artificially controlling water amount in pot experiment, in semi-arid region of the Loess Plateaus. It indicated that transpiration rate of leaves rose when soil water content increased; measured value of portable steady porometer were always higher than measured value of whole-tree weighing ,, the ratios of measured value of two methods rose with increasing soil water content, but reduced when soil water content reached field moisture capacity; the ratios of measured value of portable steady porometer and whole-tree weighing of Robinia pseudoacacia and Hippophae rhamnoides was 2, 50 and 2. 57 respectively in July, the ratios of measured value of portable steady porometer and whole-tree weighing of Platycladus orientalis and Pinus tabulae formis was 2. 48 and 2, 28 respectively in August, the ratios of measured value of portable steady porometer and whole-tree weighing method of Platycladus orientalis, Pinus tabulae formis , Robinia pseudoacacia and Hippophae rhamnoides was 1.19, 1. 86,1.53 and 1.97 respectively in October, The conclusion would be regarded as the reference of forest tree transpiration in semi-arid region of Loess Plateau.
中文关键词	稳定气孔计法 ; 整株称重法 ; 蒸腾速率 ; 黄土半干旱区
英文关键词	portable steady porometer method whole-tree weighing method transpiration rates semi-arid region of Loess Plateau
语种	中文
国家	中国
收录类别	CSCD
WOS类目	FORESTRY
WOS研究方向	Forestry
CSCD记录号	CSCD:2843478
来源机构	北京林业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/221522
作者单位	1.广东省林业科学研究院, 广州, 广东 510520, 中国; 2.北京林业大学水土保持学院, 北京 100083, 中国; 3.水利部珠江水利委员会, 广州, 广东 510520, 中国
推荐引用方式 GB/T 7714	张卫强,贺康宁,邓军涛,等. 稳态气孔计法和整株称重法测定蒸腾速率的比较研究[J]. 北京林业大学,2007,14(6):198-200,203.
APA	张卫强,贺康宁,邓军涛,周毅,钟锡均,&李召青.(2007).稳态气孔计法和整株称重法测定蒸腾速率的比较研究.,14(6),198-200,203.
MLA	张卫强,et al."稳态气孔计法和整株称重法测定蒸腾速率的比较研究".14.6(2007):198-200,203.