The park is the centerpiece of the Greater Yellowstone Ecosystem, the largest remaining, nearly intactecosystem in the Earth's northern temperate zone. [9]
该公园是地球北温带至今保留的最大的完好无损的生态系统——大黄石生态系统最重要的部分。
2
This is the most outstanding, intact example of a troglodyte settlement in the Mediterranean region ecosystem.