Introduction to the Little Tengger Sand Land: The Little Tengger Sand Land in the southern part of the reserve has a relatively dry climate, with low annual precipitation, high evaporation, and strong winds. The main wind directions are west, northwest, or southwest. Due to differences in water content, vegetation, and sand consolidation degrees, most of the sand belts appear east-west in satellite images. The dune types are mainly composite longitudinal sand ridges and sand hills, and crescent-shaped dune chains and parabolic dunes are widely distributed.

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