...；但若把非优势种去除，只会发生较小的或不显著的变化。 一、物种组成的性质分析 1.优势种和建群种 建群种(constructive species)：群落不同的层次可以有各自的优势种，优势层的优势种 起着构建群落的作用，称为建群种。
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The community composed of Elaeagnus mollis as the constructive species is one of the typical vegetation types in the hills and lower-mountains of southern of Shanxi.
以翅果油树为建群种形成的群落，是山西南部暖温带落叶阔叶林地带低山丘陵区的代表植被类型之一。
Many ancient relic species centrally distributed in the area, most of them were the constructive or dominant species of desert community, their existence played an import.
该地区集中分布着一批古老残遗物种，这些物种大多为群落的建群种或优势种，对维持草原化荒漠区脆弱的生态系统具有重要作用。
This distribution has been hoped to appear in many communities. It reflects the constructive composing of grasshopper community and the principle that many species coexist in the community.
这是期望出现在绝大多数群落中的一种统计分布，它反映了蝗虫群落结构组成和多个物种共存于群落中的原则。
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