On the other hand, tourism has exerted great pressure on the environment we are living in: water is polluted, the ecological system is disturbed, and natural resources have been excessively used.
另一方面，旅游业已经对我们生存的环境造成了巨大的压力：水受到污染，生态平衡遭到破坏，自然资源被过度开发。
As an important natural aesthetic resource, forest landscape is a main research field in landscape ecology, as well as a basis of forest park constructing and ecological tourism developing.
森林景观是一种重要的自然美学资源，是建设森林公园、开展生态旅游的主要基础，也是景观生态学研究的重要对象。
The evaluation result showed that Zhangjiajie tourism environmental quality was overall very good and the natural ecological environment was biggest factor affecting the tourism environmental quality.
结果显示：张家界旅游环境质量总体上是好的，自然生态环境对旅游环境质量影响最大。
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