北京植物物候的季节动态特征——以北京植物园为例
邢小艺,郝培尧,李冠衡,李慧,董丽(
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Seasonal dynamic of plant phenophases in Beijing—A case study in Beijing Botanical Garden
XING Xiao-Yi,HAO Pei-Yao,LI Guan-Heng,LI Hui,DONG Li()
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图2. 各类物候期频率堆积柱形图。候起始日期MM-DD表示公历日期MM月DD日, 1-65候为2017年, 66-72候为2018年。
Fig. 2. The frequency and composition of different phenophases. For the start date of pentad, MM-DD refers to the date of DD in the month of MM in Gregorian Calendar; 1st-65th pentads are in the year of 2017, while the year of 2018 starts from 66th pentad.
