城市自然保留地作为城市中残存的自然生态系统，是维持乡土物种生存的最后生境，其保护具有极其重要的意义。
As the natural ecosystem, urban natural reserved area is the last habitat for indigenous species, which is different from natural conservation and urban greening.
城市自然保留地作为城市中残存的自然生态系统，是维持乡土物种生存的最后生境，其保护具有极其重要的意义。
As the natural ecosystem, urban natural reserved area is the last habitat for indigenous species, which is different from natural conservation and urban greening.
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