毛乌素沙地典型固沙植物黑沙蒿和赖草叶片氮分配对最大净光合速率的影响
Effect of leaf nitrogen allocation on maximum net photosynthetic rate of two common sand-fixing species, Artemisia ordosica and Leymus secalinus, in Mau Us Sandy Land
毛乌素沙地典型固沙植物黑沙蒿和赖草叶片氮分配对最大净光合速率的影响 |
| 赵洪贤, 刘鹏, 史曼英, 徐铭泽, 贾昕, 田赟, 查天山 |
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Effect of leaf nitrogen allocation on maximum net photosynthetic rate of two common sand-fixing species, Artemisia ordosica and Leymus secalinus, in Mau Us Sandy Land |
| ZHAO Hong-Xian, LIU Peng, SHI Man-Ying, XU Ming-Ze, JIA Xin, TIAN Yun, ZHA Tian-Shan |
| 图7 2021年毛乌素沙地黑沙蒿、赖草生长季内最大净光合速率与叶片氮含量相关参数的相关关系。Amax, 最大净光合速率; Nmass, 单位质量叶片氮含量; Pb, 叶片氮在补光系统中的分配比例; Pc, 叶片氮在羧化系统中的分配比例; PL, 叶片氮在生物力能系统中的分配比例; PNUE, 光合氮利用效率; Pp, 叶片氮在光合系统中的分配比例。*, p ≤0.05; **, p ≤ 0.01。圆圈大小表示相关系数的绝对值大小, 颜色表示相关系数的正负。 |
| Fig. 7 Correlations between the maximum net photosynthetic rate and parameters related to leaf nitrogen content of Artemisia ordosica and Leymus secalinus in Mau Us Sandy Land in 2021. Amax, the maximum net photosynthetic rate; Nmass, nitrogen content of leaf per unit mass; Pb, leaf nitrogen distribution in bioenergy system; Pc, leaf nitrogen distribution in carboxylation system; PL, leaf nitrogen distribution in light capture system; PNUE, photosynthetic nitrogen use efficiency; Pp, distribution proportion of leaf nitrogen in photosynthetic system. *, p ≤ 0.05; **, p ≤ 0.01. The circle size represents the absolute magnitude of the correlation coefficient, while the color indicates its direction (positive/negative). |
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