植被恢复树种在不同实验光环境下叶片气体交换的生态适应特点

生态学杂志 ›› 2003, Vol. ›› Issue (3): 1-8.

• 研究报告 • 下一篇

植被恢复树种在不同实验光环境下叶片气体交换的生态适应特点

赵平, 曾小平, 彭少麟

中国科学院华南植物研究所, 广州 510650

收稿日期:2001-07-25 修回日期:2001-09-08 出版日期:2003-03-10
通讯作者: 赵平,男,1963年生,研究员,博士,2001年毕业于中国科学院华南植物研究所.从事植物生理生态学研究工作.曾获中国科学院科技进一步等奖和广东省自然科学一等奖,发表论文49篇,合作出版专著2部.
基金资助:
国家自然科学基金项目(30270239);广东省自然科学基金团队项目(003031);中国科学院鹤山丘陵综合开放试验站基金资助项目

Ecological adaptation of leaf gas exchange of trees used for re-vegetation under different experimental light regimes

ZHAO Ping, ZENG Xiaoping, PENG Shaolin

South China Institute of Botany, Chinese Academy of Sciences, Guangzhou 510650, China

Received:2001-07-25 Revised:2001-09-08 Online:2003-03-10

摘要/Abstract

摘要： 比较研究了华南丘陵地区植被恢复8种乔木树种在不同光条件下的光饱和点、日平均净光合速率、叶温、气孔导度日平均值、内在水分利用效率和光合辐射利用效率等生理生态特征。结果表明,火力楠和藜蒴具有演替后期种的特征,在荫蔽条件下生存和生长良好,它们不宜用作构建先锋群落的树种。大叶相思、马占相思和樟树是典型的阳生性树种,具有鲜明的演替后期种的特征;红椎和海南红豆显示除叶温以外的阳生性的特征。这些种类可被选作构建先锋群落的组成成分。桂西红荷则只能作为演替的过渡种类,它兼具有演替前期种和演替后期种的特征,尤其适用于对先锋群落进行林分改造。

关键词: 苯并(a)芘, 城市污泥, 土壤, 有机污染物

Abstract: Leaf gas exchange of 8 tree species that have been widely used for re vegetation in hilly lands of South China were examined under different light regimes. Their light saturation point, mean daily net photosynthetic rate, leaf temperature, mean values of daily stomatal conductance, intrinsic water use effciency, and photosynthetic radiation-use-efficiency were compared. The results showed that Mlichelia macclurei andCastanopsis fissa had attributes of late successional species that could survive and grow well under shade condition. They should not be selected for construction of pioneer community. Acacia auriculaeformis , A. mangium , and Cinnamomum camphora were typical sunny species and had distinct characteristics of early-successional species. Castanopsis hystrix and Ormosia pinnata displayed sunny attributes except for leaf temperature. These species could be considered as composition species when assembling pioneer community. Schima wallichii , however, was transitional species of succession process. Its both early-and late-successional attributes suggest that it was suitable to be use for maturing pioneer community improvement.

Key words: Benzo(a)pyrene, Municipal sludge, Soil, Organic pollutants

中图分类号:

Q945

赵平, 曾小平, 彭少麟. 植被恢复树种在不同实验光环境下叶片气体交换的生态适应特点[J]. 生态学杂志, 2003, (3): 1-8.

ZHAO Ping, ZENG Xiaoping, PENG Shaolin. Ecological adaptation of leaf gas exchange of trees used for re-vegetation under different experimental light regimes[J]. cje, 2003, (3): 1-8.

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植被恢复树种在不同实验光环境下叶片气体交换的生态适应特点

Ecological adaptation of leaf gas exchange of trees used for re-vegetation under different experimental light regimes

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