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Spatial Pattern and Landscape Characteristics in Otindag Sandy Land During the Medieval Warm Period
Author(s): 
Pages: 110-113
Year: Issue:  7
Journal: JOURNAL OF ARID LAND RESOURCES AND ENVIRONMENT

Keyword:  浑善达克沙地空间格局景观特征中世纪暖期;
Abstract: 中世纪暖期是冰后期的又一次回暖期,研究表明当时我国东部沙地均出现不同程度的流沙固定现象.利用已有的研究成果,对浑善达克沙地若干古土壤和河湖相沉积进行分析,结果表明,中世纪暖期浑善达克沙地气候温暖湿润,沙地中普遍发育古土壤和河湖相沉积,流沙固定,特别是沙地东部、中部和南部流沙被大面积固定,沙地面积缩小;孢粉分析结果表明,沙地内植被发育较好,盖度增加,形成干草原-疏林草原景观.研究结果将为浑善达克沙地未来气候环境演变趋势提供背景资料.
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