毛白杨茎干夜间液流时空动态及其环境影响因子
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Spatiotemporal dynamics of nocturnal sap flow of Populus tomentosa and environmental impact factors
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图4. 不同茎干高度瞬时液流量日变化(T1样树多天测定结果的平均值±标准误)。A、B为雨季前的变化, C、D为雨季后的变化(B、D分别为A、C夜间部分的放大显示)。 |
Fig. 4. Daily variations in momentary sap flow at different stem heights (mean ± SE of multi-day measurements of T1 sample tree). A, B show the variations before the rainy season, and C, D show the variations after the rainy season. B and D are the enlarge figures of nocturnal variations of momentary sap flow. |
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