Relatively high genetic differentiation, low gene flow values and small neighbourhood sizes suggested that inbreeding followed by genetic drift was possible causes of low genetic variability in Arpette A. alpinum populations.

• 相对比较高的遗传分化、低的亚居群间基因流和小的邻居大小值暗示 ,近交和随后的遗传漂变可能是导致阿尔拜特黄花茅居群遗传变异性较低的主要原因