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3. 茎干不同高度的夜间液流量占日总液流量的比值(平均值±标准误)。不同小写字母表示相同时期不同高度夜间液流占比的差异显著(p < 0.05), *表示同一茎干高度雨季前后夜间液流占比的差异显著(p < 0.05)。 |
Fig. 3. Ratio of nocturnal sap flow to total daily sap flow at different stem heights (mean ± SE). Different lowercase letters represent significant differences of the ratio between different heights in the same period (p < 0.05), * represent significant differences of the ratio before and after the rainy season at the same height (p < 0.05). |
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