The particle-size classification of moving dune and semi-fixed dune was better, which showed a strong positive bias and a sharp peak.
移动沙丘和半固定沙丘分选较好,表现出极强的正偏和较尖的峰值;
The influences of coal mining collapse on the soil water dynamics in the fixed dune onthesoutheasternedge of MuUssandyarea were studied.
研究了采煤塌陷区适农土地表土剥离复垦和混推复垦对复垦后土壤理化性质的影响。
The fixed sandy dune and lowland among sandy dunes act as converge of material and species flow, and they are also the source of species diffusing.
固定沙丘和丘间低地是物质流和物种流的汇,同时又是重要的物种扩散的源。
The communities of these sand dune-fixed plants suffer severe degeneration and thus need enhanced protection, grazing control and prevention of sand dunes from becoming mobile.
固定沙丘植物群落退化严重,需要加强保护,控制放牧强度,防止沙丘活化。
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。
Through transferring water to arid-desert region, it formed a new oasis, that many irrigation farmland came from early fixed sand dune and no-irrigation farmland.
干旱荒漠区引水工程上水后,将原先的大片固定沙地和旱耕地转变为水浇地,并形成了新的绿洲。
Through transferring water to arid-desert region, it formed a new oasis, that many irrigation farmland came from early fixed sand dune and no-irrigation farmland.
干旱荒漠区引水工程上水后,将原先的大片固定沙地和旱耕地转变为水浇地,并形成了新的绿洲。
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