柞木：国家二级珍贵树种，是中国东北林区中主要的次生林树种。
Quecusmongolica:the second class nation protect plant. main species in Northeast china.
并从生境、种类组成及演替等方面论述了东北林区草地的主要特征。
The characteristics of the environment, composition and dynamics of the grassland was discussed.
并从生境、种类组成及演替等方面论述了东北林区草地的主要特征。
The characteristics of the environment, composition and dynamics of the grassland was discussed.
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