This paper analyzes the spatial and temporal variety regulation of soil moisture and soil moisture characteristic constants on mobile dune in Horqin sandy land.
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。
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。
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.
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。
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