The typical land desertification in west Jilin Province was taken as the research object, including Baicheng, Taonan, Zhenlai, Daan, Qianguo, Qianan, Tongyu and Changling.

• 摘要以土地沙化比较典型的吉林西部作为研究对象，包括白城、洮南、镇赉、大安、前郭、乾安、通榆和长岭8个县（市）。