Under the strictest protection measures, vegetation in the core zone appeared to be highly stable and had been further improved.

在绝对保护措施下，核心区植被稳定性高并得到进一步改善。

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The Core Zone and the Buffer Zone are subject to separate joint venture agreements.

FORBES: Harry Winston to Purchase Ekati Diamond Mine For $500 Million

Over that period sales from the Core Zone represented approximately 6 percent of world rough diamond supply by value.

FORBES: Harry Winston to Purchase Ekati Diamond Mine For $500 Million

The Ekati Diamond Mine, located in the Northwest Territories of Canada, consists of the Core Zone, which includes the current operating mine and other permitted kimberlite pipes, as well as the Buffer Zone, an adjacent area hosting kimberlite pipes having both development and exploration potential.

FORBES: Harry Winston to Purchase Ekati Diamond Mine For $500 Million