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。
As an important natural aesthetic resource, forest landscape is 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。
There are abundant ecological tourist resources in Heilongjiang province, which have already formed the eco-tourism industry which takes the natural and cultural resources as the main characteristic.
黑龙江省拥有丰富的生态旅游资源，已经逐步形成了以自然文化资源为主要特色的生态旅游产业。
There are abundant ecological tourist resources in Heilongjiang province, which have already formed the eco-tourism industry which takes the natural and cultural resources as the main characteristic.
黑龙江省拥有丰富的生态旅游资源，已经逐步形成了以自然文化资源为主要特色的生态旅游产业。
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