摘要
根据野外调查,并结合历史文献记载,对明代毛乌素沙地的范围进行了分析。结果表明:明代时毛乌素沙地边墙一带已经处于沙地之中,其环境为沙地、湖滩交错组成,沙漠早在边墙修筑之初就远在边墙的南面。边墙的修建虽说"草茂之地,筑之于内,使虏绝牧;沙碛之地,筑之于外",这只能代表一种景观的差异,与现今所定义的沙地概念不符,不能用来作为沙地与非沙地的分界线。但当时边墙附近植被盖度应好于现在,多为固定沙丘或者平沙地。
The factors responsible for the sand invasion that occurred during the Ming Dynasty and destroyed the Ming Great Wall have long been the subject of debate.An analysis of the historical records conducted in April 2007 revealed that the Mu Us Sandy Land was located south of the Ming Great Wall before its construction.Therefore,the Ming Great Wall cannot be regarded as a boundary between the sandy land and the grasslands in the Ming Dynasty.Analysis of the historical records and sedimentary documentations indi...
出处
《干旱区研究》
CSCD
北大核心
2009年第2期261-266,共6页
Arid Zone Research
基金
教育部重点项目(107107)
国家自然科学基金项目(40661014)
关键词
毛乌素沙地
明代
边墙
沙漠化
历史过程
人地关系
the Mu Us Sandy Land
Ming Great Wall
desertification
historical records
man-land relationship.
