Elm sparse woods is a climax community distributed on the sandland in temperate steppe zone.
榆树疏林是分布于温带草原地带的沙地生境顶级群落,其生态环境脆弱,极易遭到人类活动的破坏.
词典释义:
顶极群落
Elm sparse woods is a climax community distributed on the sandland in temperate steppe zone.
榆树疏林是分布于温带草原地带的沙地生境顶级群落,其生态环境脆弱,极易遭到人类活动的破坏.