Table 4.

Genetic differentiation (F_ST) (lower triangle) and estimated gene flow (Nm) (upper triangle) among Oncomelania quadrasi populations, the Philippines^*

Population	AN	MB	DG	MG	SM	TP
AN	−	0.20†	0.11	0.16	0.07	0.17
MB	0.556†	−	0.00	0.02	0.01	0.04
DG	0.704	1.000	−	0.03	0.01	0.06
MG	0.614	0.916	0.879	−	0.09	0.74
SM	0.838	0.980	0.976	0.843	−	0.13
TP	0.588	0.868	0.820	0.258	0.789	−

^*Among all populations, F_ST = 0.854 and Nm = 0.06 (significant at P < 0.001). Comparison values were significant at P < 0.001.

^†P < 0.01.