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当前位置: 首页 > 文章 > 短柄五加蒸腾作用及其与生理生态因子相关性的初步研究 林业科学 2003,29 (2) 158-161
Position: Home > Articles > PRELIMINARY STUDIES ON TRANSPIRATION OF ACANTHOPANAX BRACHYPUS AND RELATIONSHIP WITH PHYSIOECOLOGICAL FACTORS Scientia Silvae Sinicae 2003,29 (2) 158-161

短柄五加蒸腾作用及其与生理生态因子相关性的初步研究

作  者：
岳春雷;江洪;朱隐湄
单  位：
浙江大学环境与资源学院环境工程系;浙江省林业科学研究院;中国科学院地理科学与资源研究所
关键词：
濒危植物;短柄五加;蒸腾速率;水分利用效率
摘  要：
The transpiration characteristics of Acanthopanax brachypus and their relationship with the ecological factors of photosynthetic active radiation (PAR), air temperature and air relative humidity etc, were studied in two habitats of open land and under-forest in this paper. The transpiration curve of Acanthopanax brachypus in two habitats belonged to single-peak type. The maximum transpiration rate and diurnal average transpiration rate of Acanthopanax brachypus on open land were higher than those in forest. PAR was the most important ecological factor affecting the transpiration rate in forest. On open land, air temperature and relative humidity had significant effects on the transpiration rate; PAR had a little effect on transpiration rate. Water use efficiency on open land was higher than that in forest. Based on the preliminary analysis of water physiological ecology of Acanthopanax brachypus, it was concluded that open land with better water conditions was suitable for its growth.
译  名：
PRELIMINARY STUDIES ON TRANSPIRATION OF ACANTHOPANAX BRACHYPUS AND RELATIONSHIP WITH PHYSIOECOLOGICAL FACTORS
作  者：
Yue Chunlei(Zhejiang Forestry Academy Hangzhou310023) Jiang Hong(Institute of Geographical Science and Natural Resources Research, CAS Beijing100101) Zhu Yinmei(College of Environmental and Resource Science,Zhejiang University Hangzhou310029)
关键词：
Endangered plant, Acanthopanax brachypus, Transpiration, Water use efficiency
摘  要：
The transpiration characteristics of Acanthopanax brachypus and their relationship with the ecological factors of photosynthetic active radiation (PAR), air temperature and air relative humidity etc, were studied in two habitats of open land and under-forest in this paper. The transpiration curve of Acanthopanax brachypus in two habitats belonged to single-peak type. The maximum transpiration rate and diurnal average transpiration rate of Acanthopanax brachypus on open land were higher than those in forest. PAR was the most important ecological factor affecting the transpiration rate in forest. On open land, air temperature and relative humidity had significant effects on the transpiration rate; PAR had a little effect on transpiration rate. Water use efficiency on open land was higher than that in forest. Based on the preliminary analysis of water physiological ecology of Acanthopanax brachypus, it was concluded that open land with better water conditions was suitable for its growth.

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