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2. 3月20日-5月20日河北塞罕坝樟子松径向日动态变化。 |
Fig. 2. Diurnal change of stem radial growth in Pinus sylvestris var. mongolica from March 20 to May 20 in Saihanba, Hebei. |
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