Table 2. Pair-wise ΦPT among putative shortnose sturgeon populations (above diagonal) and estimates of the effective number of migrants per generation, Nem (below diagonal), for 17 collections of shortnose sturgeon (Acipenser brevirostrum) surveyed at 11 polysomic microsatellite loci.
Collection | Saint John | Penobscot | Androscoggin | Kennebec | Merrimack | Connecticut | Hudson | Delaware | Chesapeake Bay | Winyah Bay | Santee-Cooper | Lake Marion | Edisto | Savannah | Ogeechee | Altamaha |
Saint John | - | 0.068 | 0.077 | 0.068 | 0.100 | 0.191 | 0.162 | 0.175 | 0.155 | 0.253 | 0.289 | 0.269 | 0.269 | 0.278 | 0.280 | 0.277 |
Penobscot | 3.43 | - | 0.015 | 0.003 | 0.065 | 0.116 | 0.094 | 0.107 | 0.095 | 0.189 | 0.219 | 0.207 | 0.189 | 0.201 | 0.205 | 0.203 |
Androscoggin | 3.00 | 16.42 | - | 0.013 | 0.087 | 0.113 | 0.091 | 0.099 | 0.093 | 0.200 | 0.248 | 0.226 | 0.209 | 0.210 | 0.227 | 0.226 |
Kennebec | 3.43 | 83.08 | 18.98 | - | 0.058 | 0.114 | 0.073 | 0.096 | 0.088 | 0.186 | 0.222 | 0.205 | 0.188 | 0.201 | 0.207 | 0.204 |
Merrimack | 2.25 | 3.60 | 2.62 | 4.06 | - | 0.201 | 0.153 | 0.184 | 0.167 | 0.268 | 0.307 | 0.297 | 0.279 | 0.295 | 0.293 | 0.296 |
Connecticut | 1.06 | 1.91 | 1.96 | 1.94 | 0.99 | - | 0.086 | 0.100 | 0.118 | 0.239 | 0.272 | 0.263 | 0.256 | 0.261 | 0.273 | 0.273 |
Hudson | 1.29 | 2.41 | 2.50 | 3.17 | 1.38 | 2.66 | - | 0.067 | 0.075 | 0.179 | 0.217 | 0.208 | 0.188 | 0.196 | 0.210 | 0.201 |
Delaware | 1.18 | 2.09 | 2.28 | 2.35 | 1.11 | 2.25 | 3.48 | - | 0.018 | 0.188 | 0.228 | 0.217 | 0.200 | 0.206 | 0.216 | 0.212 |
Chesapeake Bay | 1.36 | 2.38 | 2.44 | 2.59 | 1.25 | 1.87 | 3.08 | 13.64 | - | 0.183 | 0.234 | 0.210 | 0.200 | 0.213 | 0.216 | 0.206 |
Winyah Bay | 0.74 | 1.07 | 1.00 | 1.09 | 0.68 | 0.80 | 1.15 | 1.08 | 1.12 | - | 0.049 | 0.034 | 0.037 | 0.046 | 0.031 | 0.032 |
Santee-Cooper | 0.62 | 0.89 | 0.76 | 0.88 | 0.56 | 0.67 | 0.90 | 0.85 | 0.82 | 4.85 | - | 0.044 | 0.043 | 0.043 | 0.046 | 0.069 |
Lake Marion | 0.68 | 0.96 | 0.86 | 0.97 | 0.59 | 0.70 | 0.95 | 0.90 | 0.94 | 7.10 | 5.43 | - | 0.089 | 0.095 | 0.091 | 0.085 |
Edisto | 0.68 | 1.07 | 0.95 | 1.08 | 0.65 | 0.73 | 1.08 | 1.00 | 1.00 | 6.51 | 5.56 | 2.56 | - | 0.005 | 0.008 | 0.020 |
Savannah | 0.65 | 0.99 | 0.94 | 0.99 | 0.60 | 0.71 | 1.03 | 0.96 | 0.92 | 5.18 | 5.56 | 2.38 | 49.75 | - | 0.00 7 | 0.052 |
Ogeechee | 0.64 | 0.97 | 0.85 | 0.96 | 0.60 | 0.67 | 0.94 | 0.91 | 0.91 | 7.81 | 5.18 | 2.50 | 31.00 | 35.46 | - | 0.020 |
Altamaha | 0.65 | 0.98 | 0.86 | 0.98 | 0.59 | 0.67 | 0.99 | 0.93 | 0.96 | 7.56 | 3.37 | 2.69 | 12.25 | 4.56 | 12.25 | - |
Non-significant pair-wise ΦPT probability values (H0 = No genetic difference among populations; ΦPT = 0) based on 10,000 permutations values are in bold italics. Cape Fear River sample is not included due to inadequate sample size.