Table 7

Results of the F-statistics analysis for each variable locus and estimated rate of gene flow (Nm) for Peromyscus leucopus from populations in three regions of the Virginia barrier islands and southern Delmarva Peninsula (see text). Significance of FST indicated by the Chi-square value.

Location Locus FIT FIS FST Chi-square Degrees of Freedom Nm
North Region (2 samples)
PGM1 0.726 0.717 0.034 3.641 2
PEPA 0.293 0.275 0.026 1.02 1
MPI -0.18 -0.361 0.133 12.250** 2
NP -0.019 -0.13 0.098 5.805 2
CK2 -0.029 -0.059 0.029 1.478 1
Mean 0.046 -0.049 0.091 24.195** 8 2.5
Middle Region (3 samples)
G6PD 0.439 0.296 0.203 18.341*** 2
PGM1 1 1 0.165 23.331*** 4
PEPA 0.795 0.746 0.195 21.660*** 2
MPI 0.048 0 0.048 12.784* 6
NP 0.163 0.094 0.076 11.970* 4
CK2 -0.045 -0.081 0.034 4.18 2
Mean 0.346 0.262 0.114 92.265*** 20 1.94
South Region (2 samples)
PGM1 1 1 0.273 12.406*** 1
PEPA 1 1 0.048 2.836 1
MPI -0.1 -0.14 0.035 6.478 3
NP 0.344 0.306 0.498 24.347*** 1
Mean 0.497 0.281 0.301 46.067*** 6 0.06

*p<0.05 ** p<0.01 *** p<0.001