In the southeast, just beyond the edge of the dune field, the land appears as a patchwork of brown and green.
在东南面，越过沙丘地带的边缘不远处，土地好似打上了棕色和绿色的补丁。
Landscape pattern indices showed that moving dune was disturbed strongly and fixed sandy land was of more expansionary property.
植被类型尺度的格局指标表明，流动沙地表现出受到强烈干扰的特征，而固定沙地油蒿群落具有较强的扩张特性。
The analysis to sandy desertification land types shows that the moving sand dune decreases, semi-fixed sand dune and fixed sand dune increase.
从沙化土地类型上分析，流动沙地面积减少，半固定、固定沙地面积增加。
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