• Its distribution and population number were investigated with site-plot methods in this paper, and its floristics composition and types of Community were analysed too.

    本文采用密度生境样方法对夏蜡梅的分布数量进行了调查和研究,并对其区系成分、群落类型进行了分析。

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  • The death and reproduction of the population make the mean density fluctuate but do not obviously change the overall level of population number and the population structure.

    种群的死亡过程和繁殖过程使种群平均密度有较明显的波动,但对种群总体水平无明显影响,种群结构也无明显变化。

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  • The breeding capability of males and the population number of Rhombomys opimus are influenced by the social stress.

    雄性繁殖能力受社群压力的影响,种群数量也随之受到影响。

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  • The breeding capability of males and the population number of Rhombomys opimus are influenced by the social stress.

    雄性繁殖能力受社群压力的影响,种群数量也随之受到影响。

    youdao

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