土壤水分是植物生长、植被恢复和生态环境建设的主要制约因素，研究其运动与转化规律具有重要的现实意义。
Soil moisture is the main factor of plant growth, vegetation restoration and ecological environment. It's a very important significance to research soil water movement and translation.
因此，对该区进行植被恢复研究，不仅可以阐明制约植被恢复的关键因素，而且对植被生态系统的恢复重建提供理论依据。
So vegetation restoration research not only can illuminate the key restraint factor of vegetation recover, but can give the theoretic supports to the vegetation eco-system's reconstruction.
水资源是湿地生态建设中重要的制约因素。
This paper expounds water resources is the important factors in wetland ecology 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。
However, the externality of forest ecological effect makes its value cannot be compensated, which becomes principally limit factor for forest ecological construction.
水资源短缺是西北地区农业生产和生态环境建设最重要的制约因素。
The sustainable development in northwest China would be seriously influenced if water problem were not solved.
水资源短缺是西北地区农业生产和生态环境建设最重要的制约因素。
The sustainable development in northwest China would be seriously influenced if water problem were not solved.
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