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5. 不同高度茎干充水量变化日动态。正值表明茎干充水, 负值表明茎干失水。B为放大的夜间不同高度茎干充水量变化。 |
Fig. 5. Daily variations in stem water refilling at different heights. Positive values indicate stem water refilling, negative values indicate stem water loss. B is the enlarged figure of nocturnal variations of stem water refilling. |
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