Table 2. Pair-wise measures of genetic differentiation based on allelic identity (θ_ST) at microsatellites.

	WILD 1992	WILD 1996	WILD 1998–1999	WILD 2000_adults	WILD 2000_smolts	WILD 2002+	FARM 1992	FARM 2000_adults	FARM 2000_smolts
WILD-1980	0.009a	0.018a	0.015a	0.011a	0.012a	0.008	0.014a	0.019a	0.011a
WILD-1992		0.011a	0.002	0.004	0.001	0.012a	0.003	0.008a	0.008a
WILD-1996			0.000	0.005	0.004	0.019a	0.003	0.003	0.009a
WILD-1998_1999				0.000	0.000	0.011	0.000	0.000	0.005
WILD-2000_adults					0.000	0.012a	0.000	0.002	0.003
WILD-2000_smolts						0.010a	0.003	0.005a	0.008a
WILD-2002+							0.007	0.008a	0.010
FARM-1992								0.000	0.001
FARM-2000_adults									0.006a

^aSignificant comparison (P<0.05).