Zhangye oasis, as the core part of Black River Oasis, has 92% population, 83% national economy water utilization volume and 76% water consumption volume in the Black River Area.

• 作为黑河绿洲核心部分的张掖绿洲集中了黑河流域92%25的人口，83%25的国民经济用水量和76%25的国民经济耗水量。