三峡库区的森林水文作用，对于长江三峡水利枢纽工程的安全运行和效益发挥具有重要意义，对于改善和维持三峡库区的生态环境具有重要作用。
It is significant that the forestry hydrology function of reservoir area of Three Gorges gives play to the safe operation and benefit of the water control project in Three Gorges of Yangtze River.
本主题处理森林及森林外树木帮助调节土壤、水文以及水生系统的作用。
The theme addresses the role of forests and trees outside forests to help moderate soil, hydrological and aquatic systems.
森林对河川径流的调节作用随森林水文功能的变化而变化。
The forest adjusting function on rivers runoff alters as the forest hydrological function changing.
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