However, the externality of forest ecological effect makes its value cannot be compensated, which becomes principally limit factor for forest ecological construction.
但由于森林生态效益的外在性，使得其价值补偿无法实现，从而成为我国森林生态建设的根本性制约因素。
The product of forest ecological tourism is different from others in the aspects of the objective, beneficiary, management style and effect.
森林生态旅游产品从目标、受益者、管理方式、效果等方面均不同于其他旅游产品。
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