| 长白山高山红景天的气体交换特性 |
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| 引用本文： | 阎秀峰 王玉杰. 长白山高山红景天的气体交换特性[J]. 植物研究, 1999, 19(3): 273-280 |
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| 作者姓名： | 阎秀峰 王玉杰 |
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| 作者单位： | 东北林业大学森林植物生态学开放研究实验室!哈尔滨150040(阎秀峰，王玉杰，王洋，孙海芹)，东北林业大学森林植物生态学开放研究实验 (祖元刚) |
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| 摘 要： | 在位于吉林省东南部中期交界地带的长白山北坡，选择了三块样地：小天池样地（海拔１８００ｍ）树线样地（海拔２０００ｍ），天文峰样地（海拔２３２５ｍ）测定了高山红景天的净光合速率，蒸腾速率，计算了表现量子效率和水分利用效率。光合速率和蒸腾速率以天文峰样地最高，树线样地次之，小天池样地最低。表现量子效率和水分利用效率则恰好相反；小天池样地最高；树线样地次之，天文峰样地最低。
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| 关 键 词： | 高山红景天 气体交换特性 长白山 |
GAS EXCHANGE OFRHODIOLA SACHALINENSIS ON CHANGBAI MOUNTAIN |
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| Yan Xiu-feng Wang Yu-jie Wang Yang Sun Hai-qin Zu Yuan-gang. GAS EXCHANGE OFRHODIOLA SACHALINENSIS ON CHANGBAI MOUNTAIN[J]. Bulletin of Botanical Research, 1999, 19(3): 273-280 |
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| Authors: | Yan Xiu-feng Wang Yu-jie Wang Yang Sun Hai-qin Zu Yuan-gang |
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| Abstract: | Three sample plots, which were Xiaotianchi (Alt. 1800 m), Tree Line (Alt. 2000 m) and Tianwenfeng (Alt. 2325 m), were selected from the north slop of ChangBai Mountain located on the Southeastern of Jilin Province. Net photosynthesis rate (Pn) and transpiration rate (Tr) of Rhodiola sachalinensis in three simple plots were measured, furthermore appear quantum yield (AQY) and water use efficiency (WUE) also were calculated correspondingly. The result showed Pn and Tr in Tianwenfeng plot were the highest, the second was in Tree Line plot, and the lowest was in Xiaotianchi plot. However AQY and WUE displayed the reverse trend, which of Xiaotianchi plot presented the highest value, Tree Line plot was the second and Tianwenfeng plot was the lowest. |
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| Keywords: | Rhodiola sachalinensis Gas exchange ChangBai Mountain |
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