阿拉善荒漠区的景观生态分区

The Landscape Ecological Division of Desert Region in Alashan

本文是国家自然科学基金重点项目 :“阿拉善荒漠区生态系统受损机制与重建研究”中的一项基础性研究内容 ,在全面进行景观生态考察 ,运用 TM卫星遥感信息编制景观生态系列图 ,并对景观生态条件和景观类型进行分析的基础上制订了阿拉善荒漠区的分区方案 :首先划分出阿拉善中东部的沙质、沙砾质荒漠区和阿拉善北部到额济纳的石质、砾质荒漠区。前者又分出 :腾格里沙漠区、乌兰布和沙漠区、巴丹吉林沙漠区、贺兰山区、贺兰山西麓山前平原区、沙尔札—雅布赖低山残丘区、龙首山及山前区。后者分为 :外阿尔泰地区、额济纳绿洲区、弱水古洪积平原区、包尔乌拉—马鬃山区。

On the basis of ecological factor and landscape analysis in Alashan desert, division 1 Alashan sand desert and sand gravel desert region, 2 North Alashan Ejina rock desert and grave desert region In this two regions,division 11 subregion: Tenggeli sand desert subregion, Wulanbuhe sand desert subregion, Badanjilin sand desert subregion, Helan mountain land subregion, Helan mountain piedmont plain subregion, Shaerza Yabulai mountain and pimple subregion, Longshou mountain and piedmont subregion, External Aertai subregion, Ejina river plain oasis subregion, Ruoshui ancient diluvial plain and lake basin subregion, Baoerwula Mazong mountain and pimple subregion.