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2 敖汉苜蓿实测群落净气体交换速率(NCE)与群落净光合速率(Pc)比较 |
| Table 2 The comparison of measured net community CO2 exchange (NCE) and accumulated leaf net photosynthetic rate (Pc) of Medicago sativa ‘Aohan’ |
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亚小区
Sub plot | Pc (μmol CO2·m-2·s-1) | NCE (μmol CO2·m-2·s-1) | 生态系统净气体交换速率
Net ecosystem CO2 exchange (NEE, μmol CO2·m-2·s-1) | 生态系统呼吸速率 Ecosystem respiration rate (Reco, μmol CO2·m-2·s-1) | 群落呼吸速率
Community respiration rate (Rc, μmol CO2·m-2·s-1) | NEE/Pn
(%) | Pc/NEE | | 亚小区1 Sub plot 1 | 3.41 | 3.38 | 1.07 | 3.74 | 1.40 | 7.1 | 3.2 | | 亚小区2 Sub plot 2 | 1.58 | 1.48 | 0.98 | 0.81 | 0.21 | 12.5 | 1.6 | | 亚小区3 Sub plot 3 | 5.57 | 5.82 | 2.38 | 5.56 | 2.37 | 16.4 | 2.3 | | 平均 Average | 3.52 | 3.56 | 1.48 | 3.37 | 1.33 | 12.0 | 2.4 |
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