The biospherereserve concept provides a trajectory to the solution of this issue.
生物圈保护区的概念为解决这一问题提供了重要思路。
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Thee tourist friends, Jiuzhaigou is China's only have "World Natural Heritage" and "World BiosphereReserve" two international titles natural scenic area.
Located on the east coast of the Yucatan peninsula, this biospherereserve contains tropical forests, mangroves and marshes, as well as a large Marine section intersected by a barrier reef.