TABLE 2.

Analysis of molecular variance (AMOVA) accounting for all voivodeships and clusters.

Grouping method	Percentage of variation (%)		Fixation index (FST)
	Among populations	Within populations
Voivodeships	0.75	99.25	0.007*
Clusters	1.27	98.73	0.01**

p-Values are indicated as *p = 0.00426, **p = 0.01119.