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；

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Feral pigs are also moving into southeastern New Mexico, where the federal government has been trying to boost the number of sand dune lizards and lesser prairie chickens.

NPR: $1M Pilot Project Aims To Take Out Feral Pigs