人为因素是晋西北地区土地荒漠化形成与逆转的主要因子。
The artificial factor is an important element about the forming and the rehabilitation of land desertification in northwestern Shanxi province.
通过对史料的分析和考证，探讨了从西晋至北魏时期晋西北地区人类活动和土地利用方式的变迁。
Based on analysis and investigation, the authors discussed human activities and land utilization changes in northwest areas of Shanxi Province from Western Jin Dynasty to Northern Wei Dynasty.
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