作物群体CO2通量和水分利用效率的快速测定

应用生态学报 ›› 2004, Vol. ›› Issue (9): 1684-1686.

作物群体CO₂通量和水分利用效率的快速测定

朱治林, 孙晓敏, 张仁华, 苏红波, 唐新斋

中国科学院地理科学与资源研究所, 北京 100101

收稿日期:2002-10-23 修回日期:2004-01-17 出版日期:2004-09-15
通讯作者: 朱治林,男,1963年4月出生,副研,主要从事农田微气象和农业生态方面的研究,发表论文10余篇.Tel:010-64889762;E-mail:zhuzl@igsnrr.ac.cn
基金资助:
中国科学院知识创新工程重大项目(KZCX1SW0101A);中国科学院地理科学与资源研究所知识创新工程资助项目(CXIOGE010402)

Rapid measurements of CO₂ flux density and water use efficiency of crop community

ZHU Zhilin, SUN Xiaomin, ZHANG Renhua, SU Hongbo, TANG Xinzai

Institute of Geographical Sciences and Resources, Chinese Academy of Sciences, Beijing 100101, China

Received:2002-10-23 Revised:2004-01-17 Online:2004-09-15

摘要/Abstract

Abstract: In this paper,Eddy Correlation (EC) method was employed to measure the latent heat and CO₂ flux density and to calculate Water Use Efficiency (WUE) of winter wheat community in Yucheng district,Shandong Province in 1997.The results showed that the CO₂ flux density had an obvious diurnal change,with a maximum about1.5 mg·s^-1·m^-2,which appeared at about 9:00～10:00 am in general.The WUE of wheat community presented a fall trend from morning to afternoon,and the CO₂ flux density and WUE also had an obvious seasonal change,being lower in the early and late growth stages,and higher in the middle growth stage.The ranges of daily mean CO₂ flux density and WUE were 0.2～0.9 mg·s^-1·m^-2 and 5～20 gCO₂·kg^-1 H₂O,respectively.

Key words: Photosynthesis of crop community, CO₂ flux density, Water use efficiency, Winter wheat

中图分类号:

S181

朱治林, 孙晓敏, 张仁华, 苏红波, 唐新斋. 作物群体CO₂通量和水分利用效率的快速测定[J]. 应用生态学报, 2004, (9): 1684-1686.

ZHU Zhilin, SUN Xiaomin, ZHANG Renhua, SU Hongbo, TANG Xinzai. Rapid measurements of CO₂ flux density and water use efficiency of crop community[J]. Chinese Journal of Applied Ecology, 2004, (9): 1684-1686.

参考文献

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作物群体CO₂通量和水分利用效率的快速测定

Rapid measurements of CO₂ flux density and water use efficiency of crop community

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