叶片和群落尺度净光合速率关系的探讨
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唐海萍, 薛海丽, 房飞
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A comparison of measured and calculated net community CO2 exchange: Scaling from leaves to communities
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TANG Hai-Ping,XUE Hai-Li,FANG Fei
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| 表1 敖汉苜蓿叶片净光合速率(Pn)和群落净光合速率(Pc)比较 |
| Table 1 The comparison of leaf net photosynthetic rate (Pn) and accumulated leaf net photosynthetic rate (Pc) of Medicago sativa ‘Aohan’ |
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亚小区
Sub plot | Pn (μmol CO2·m-2·s-1) | 叶片数
No. of leaves | 平均叶面积
Average leaf area
(cm2) | 健康叶片比例
Percentage of healthy leaves | 叶片接受有效光照比例
Percentage of received effective light by leaf | Pc (μmol CO2·m-2·s-1) | Pc / Pn
(%) | | 亚小区1 Sub plot 1 | 15.025b | 650 | 3.113 | 0.4 | 0.7 | 3.41b | 22.7 | | 亚小区2 Sub plot 2 | 7.854a | 580 | 2.477 | 0.5 | 0.7 | 1.58a | 20.1 | | 亚小区3 Sub plot 3 | 14.536b | 740 | 3.081 | 0.6 | 0.7 | 5.57c | 38.3 | | 平均 Average | 12.472 | 656 | 2.890 | 0.5 | 0.7 | 3.52 | 27.0 |
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