| 红松幼苗对CO2浓度升高的生理生态反应 |
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| 引用本文： | 韩士杰,周玉梅,王琛瑞,张军辉,邹春静.红松幼苗对CO2浓度升高的生理生态反应[J].应用生态学报,2001,12(1):27-30. |
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| 作者姓名： | 韩士杰 周玉梅 王琛瑞 张军辉 邹春静 |
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| 作者单位： | 中国科学院沈阳应用生态研究所, |
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| 基金项目： | 中国科学院“百人计划”、国家自然科学基金(30070158)和中国科学院陆地生态过程开放研究实验室基金资助项目. |
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| 摘 要： | 研究了用开顶箱控制CO
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| 关 键 词： | 红松 CO2浓度 净光合速率 气孔导度 RuBP 叶绿素 可溶性糖 二氧化碳 生理 |
| 文章编号： | 1001-9332(2001)01-0027-04 |
| 修稿时间： | 2000年6月7日 |
Ecophysiological response of Pinus koraiensis seedlings to elevated CO2] |
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| HAN Shijie,ZHOU Yumei,WANG Chenrui,Zhang Junhui,ZOU Chunjing.Ecophysiological response of Pinus koraiensis seedlings to elevated CO2][J].Chinese Journal of Applied Ecology,2001,12(1):27-30. |
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| Authors: | HAN Shijie ZHOU Yumei WANG Chenrui Zhang Junhui ZOU Chunjing |
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| Institution: | Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016. hansj@iae.syb.ac.cn |
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| Abstract: | Studies on the ecophysiological response of Pinus koraiensis seedlings were conducted in open-top chambers which were controlled with CO2 concentration of about 500 and 700 mumol.mol-1. The result shows that there were different responses in net photosynthetic rate and stomatal conductance at high CO2(500 and 700 mumol.mol-1) and ambient CO2 concentrations. Under 500 mumol.mol-1 CO2, the carboxylase activity of RuBP was the highest, the photosynthesis showed "up-ward", the average daily net CO2 assimilation was the greatest, and the contents of chlorophyll and soluble sugars were the highest. While under 700 mumol.mol-1 CO2, the photosynthesis showed "down-ward" and was lower than that of the control, and the enzyme activity and the contents of substances were the lowest. |
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