...度制约 , 生境异质性 , 集群分布 [gap=1696]Key words: tree species diversity, density dependence, habitat heterogeneity, aggregated distribution ...
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The conclusion as follows:1. Habitat heterogeneity influence avian community compositionThe higher habitat heterogeneity is with the more complex community.
结论如下： 1、生境异质性影响鸟类群落组成 生境异质性越高，鸟类群落结构越复杂。
参考来源 - 鸟类群落结构形成的因素分析·2,447,543篇论文数据，部分数据来源于NoteExpress
对于大多数种类，这种结果可由最近草原扩大而来的生境异质性降低解释。
For most species, this result can be explained by recent steppe expansion associated with a decrease of habitat heterogeneity.
初步推断我国蒙系绵羊品种间的遗传分化主要是自然选择(生境异质性)作用的结果。
It is concluded that genetic differentiation of sheep breeds of Mongolian Group in China is mainly the result of natural selection (different living conditions).
研究结果表明：喀斯特环境高度异质性，小生境小气候环境差异较大。
Then gave a series of technical measures. The result shows that: Karst environment's high heterogeneity, microhabitat and micro-climate are very different.
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