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吉林省西部地区是松辽平原黄鼠鼠疫自然疫源地的一部分。地处东经121°54′～126°41′,北纬43°5′～46°161′,西与内蒙古接壤。1972年内蒙古浑善达克沙地内的长爪沙鼠(沙鼠)在东迁过程中,经内蒙古哲里木盟进入吉林省西部地区以来,已漫延到西部地区的4县近30个乡镇约80万ha。1 沙鼠的分布 1972年以来,沙鼠在吉林省境内分布在西部风沙草原内东西走向的沙丘、沙丘耕地中的通榆、双辽、长岭和乾安4县的28个乡镇场。长岭县大兴乡
The western part of Jilin Province is part of the natural foci of the plague in the Songliao Plain. Located in the east longitude 121 ° 54 ’~ 126 ° 41’, north latitude 43 ° 5 ’~ 46 ° 161’, West and Inner Mongolia border. In 1972, Mongolian gerbil (Mongolian gerbil) in the Hunshandake Sandy Land of Inner Mongolia had spread to almost 30 townships in 4 counties in the western region since its entry into the western region of Jilin Province through the Zhelem League in Inner Mongolia during its eastward transition 800,000 ha. Distribution of gerbils Since 1972, gerbils have been distributed in the east and west of sand dunes in western grasslands and Tongxiang, Shuangliao, Changling and Qian’an 4 counties in Jilin Province. Changxing County Daxing Township