莫莫格湿地地处吉林西部，对该区域防治沙化、水源涵养、气候调节具有重要作用。
Momoge wetland, locates in western Jilin province, plays an important role in preventing desertification, water conservation and climate regulation.
在干旱瘠薄山地，灌木保持水土、涵养水源、改善生态环境等方面具有乔木树种不可代替的作用。
In the arid and poor mountain lands, shrubs are used to conserve soil, water and headwater and to improve ecological environment, which can not be replaced by any tree species.
森林覆被率在保持水土、涵养水源、改善生态环境方面起着很大作用。
The rate of coverage of forest have an evident effect on many environment factors such as soil and water reservation ecological environment improvement.
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