1、

Phenological observation data of plant communities from 1982 to 1996 at 5 sites and a method for phenological cumulative frequency modeling were used to determine the beginning dates of local phenological seasons and their corresponding threshold values of normalized difference vegetation index ( NDVI) in each year.

利用1982~1996年5个站点的植物群落物候观测数据和物候累积频率拟合法,划分各站逐年的植被物候季节,并确定各季节初日对应的当地归一化差值植被指数(NDVI)阈值。

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2、

The phenological observation of the main species of trees in the lesser Xingan Mountains

小兴安岭林区主要用材树种的物候观察

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3、

Seed vigor test and observation of phenological characteristics of Nicotiana species

野生烟草种子活力检测及物候特性观察

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4、

the distribution of flowering phase of plant in grassland community was studied by localized observation on phenological phase of species.

通过草地群落物种物候期定位观测,研究了植物种的花期分布规律。

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