| 鹅掌楸和女贞同化CO2和释O2能力的比较 |
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| 引用本文： | 陈辉 阮宏华 等. 鹅掌楸和女贞同化CO2和释O2能力的比较[J]. 城市环境与城市生态, 2002, 15(3): 17-18 |
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| 作者姓名： | 陈辉 阮宏华 等 |
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| 作者单位： | 南京林业大学 南京210037(陈辉，阮宏华)，南京林业大学 南京210037(叶镜中) |
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| 摘 要： | 采用LI－6400红外气体分析仪，分别在生长初期、盛期、末期测定鹅掌楸和女贞净光合速率，用重量法测定叶面积。得到女贞的净光合速率、叶面积指数和同化CO2及释O2的能力均大于鹅掌楸的结论，可为城市绿化树种的选择提供依据。
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| 关 键 词： | 鹅掌楸 女贞 净光合速率 叶面积指数 氧气 二氧化碳 城市绿化 树种 |
CO_2 Absorbing and O_2 Releasing of Liriodendron chinese and Ligustrum lucidum |
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| CHEN Hui,RUAN Hong hua,YE Jing zhong. CO_2 Absorbing and O_2 Releasing of Liriodendron chinese and Ligustrum lucidum[J]. Urban Environment & Urban Ecology, 2002, 15(3): 17-18 |
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| Authors: | CHEN Hui RUAN Hong hua YE Jing zhong |
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| Abstract: | Liriodendron chinese and Ligustrum lucidum are common green trees. In this paper, their net photosynthetic rate (Pn) were determined in different growth seasons: initial stage, flourishing stage and final stage and their gross leave area was also measured. The result showed that the net photosynthetic rate, the leave area indexes and the ability of CO 2 absorbing and O 2 releasing of Ligustrum lucidum were all better than of Liriodendron Chinese, which is very useful for the selection of green trees. |
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| Keywords: | Liriodendron chinese Ligustrum lucidum net photosynthetic rate leave area index |
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