Table 3.

Summary of molecular variance (AMOVA) for metapopulations of Zingiber corallinum and Z. nudicarpum. df: degree of freedom; Ф _ST: among subpopulations deviations from Hardy–Weinberg expectations; P: the probability of null hypothesis.

Metapopulation	Source	df	Sums of squares	Mean squares	Variance component	Percentage of variation	Ф ST	P
Z. corallinum
GDZJ	Among subpopulations	2	1475.266	737.633	23.008	66.3 %	0.663	0.001
	Within subpopulations	93	1086.526	11.683	11.683	33.7 %
	Total	95	2561.792		34.691	100 %
GDYX	Among subpopulations	3	2491.693	830.564	24.875	90.5 %	0.905	0.001
	Within subpopulations	131	343.359	2.621	2.621	9.5 %
	Total	134	2835.052		27.496	100 %
Mean	Among subpopulations				23.942	78.4 %	0.784
	Within subpopulations				12.152	21.6 %
	Total				31.094	100 %
Z. nudicarpum
HNCJ	Between subpopulations	1	1423.739	1423.739	32.142	62.5 %	0.625	0.001
	Within subpopulations	103	1985.061	19.272	19.272	37.5 %
	Total	104	3408.800		51.415	100 %
HNBT	Between subpopulations	2	305.869	152.934	6.759	31.0 %	0.310	0.001
	Within subpopulations	65	979.616	15.071	15.071	69.0 %
	Total	67	1285.485		21.830	100 %
Mean	Between subpopulations				19.451	46.8 %	0.468
	Within subpopulations				17.172	53.2 %
	Total				36.623	100 %