relic

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。