以泰安药材站仓库为系统调查点，分析了不同时间序列上的群落数量特征。
The Taian Traditional Chinese Medicine Station as the major survey, the insect community in different temporal sequences was studied systematically.
乔木层盖度是森林群落的主要数量特征之一。
Tree layer coverage is one of the primary numerical characteristics of forest community.
对不同演替阶段30个群落样地的数量特征进行研究。
The quantitative characters of 30 community plots at different successional stages were studied.
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