Table 4

Results of the F-statistics analysis for each variable locus and estimated rate of gene flow (Nm) for Oryzomys palustris 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)
6PGD 0.648 0.518 0.271 13.235*** 1
NP 0.523 0.522 0.002 0.076 1
ADA 0.018 0.012 0.006 0.657 2
Mean 0.296 0.224 0.093 13.968** 4 2.44
Middle Region (4 samples)
PGM3 1 1 0.064 5.96 3
6PGD -0.011 -0.043 0.032 2.948 3
NP 0.209 0.184 0.031 3.198 3
ADA 0.08 0.019 0.062 12.3 6
Mean 0.148 0.098 0.055 24.406 15 4.3
South Region (3 samples)
PGM3 -0.007 -0.02 0.013 0.93 2
6PGD -0.024 -0.043 0.019 1.389 2
NP -0.068 -0.145 0.068 5.46 2
ADA 0.026 -0.164 0.163 22.394*** 4
Mean 0.002 -0.146 0.129 30.173*** 10 1.69

** p<0.01 *** p<0.001