建群种优势种
Establish a group of dominant species
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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。
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.
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