In comparison with barren slope, a pilot study of hydrology effect of artificial woodland surface soil in semi-arid low mountainous upland region of western Liaoning province was carried out.
以荒山为对照，对辽西半干旱低山丘陵区人工林地表层土壤水文效应进行了初步研究。
The western area of 1oss plateau of China, including the area of GansuProvince, Ninxia Hui Autonomous region and Haidon district of QinghaiProvince, lies in the arid and semi-arid climatic zone.
我国黄土高原西部地区，包括甘肃、宁夏和青海的海东地区，位于干旱和半干旱的气候类型地带。
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