河北塞罕坝樟子松径向生长动态变化及其与气象因子的关系
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Stem radial growth dynamics of Pinus sylvestris var. mongolica and their relationship with meteorological factor in Saihanba, Hebei, China
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图1. 河北塞罕坝月平均樟子松径向日变化动态。 |
Fig. 1. Diurnal change of monthly average radial variation of Pinus sylvestris var. mongolica in Saihanba, Hebei. |
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