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。
The analysis to sandy desertification land types shows that the moving sand dune decreases, semi-fixed sand dune and fixed sand dune increase.
随着植被盖度的变化,风速与输沙率的关系也发生变化:流动沙地上风速与输沙率呈三次函数关系;
The relation of wind velocity and total amount of sand transport also changes with vegetation coverage: On shifting sandy land, wind velocity has a cubic function to the sand transport;
沙质草场、半流动沙地和受干扰的丘间洼地降雨后的土壤含水量异质化程度及其相关变化范围非常明显。
Soil moisture of sand grassland, semi-mobile sand and disturbed inter-dune bottomland, had distinctive variability and larger spatial change range of variability, after rainfall.
沙化景观尤其是流动沙地对景观结构的影响较大,在区域景观异质性增强及破碎化加剧过程中起主要作用。
Desertification landscape, and mobile dune in particular, had great impact on landscape structure, playing an important role in the increment of landscape heterogeneity and fragmentation.
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。
Landscape pattern indices showed that moving dune was disturbed strongly and fixed sandy land was of more expansionary property.
选择科尔沁沙地典型流动沙丘作为研究对象,分析了流动沙丘土壤水分的时空变化以及土壤水分特征常数的空间变化规律。
This paper analyzes the spatial and temporal variety regulation of soil moisture and soil moisture characteristic constants on mobile dune in Horqin sandy land.
结果表明,以平缓低洼地上梭梭群落的植物种类最丰富,其次是平缓沙地,半流动沙丘上的植物种类最少。
The results showed that the species of H. ammodendron community was the richest on low-lying land, the second on slow and gentle desert, and the least on semi-mobile dune.
结果表明,以平缓低洼地上梭梭群落的植物种类最丰富,其次是平缓沙地,半流动沙丘上的植物种类最少。
The results showed that the species of H. ammodendron community was the richest on low-lying land, the second on slow and gentle desert, and the least on semi-mobile dune.
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