Table 2. Mode (95% posterior credible intervals) of demographic parameters for the three subpopulations (SSR STRUCTURE groups) of P. angustifolia estimated in IMa2, using two different divergence models (top) and MIGRATE (bottom).
| Southern divergence first | Northern divergence first | ||
|---|---|---|---|
|
Divergence time (years) |
Divergence time (years) |
||
| Northern-Central | 555 463 (378 359–1 489 286) | Southern-Central | 334 805 (77 263–1 158 941) |
| Southern—Northern/Central | 3 002 723 (1 972 298–10 552 195) | Northern—Southern/Central | 437 822 (386 314–15 376 999) |
|
Population size (Ne, individuals) |
Population size (Ne, individuals) |
||
| Northern | 16 503 (12 478–22 943) | Northern | 15 728 (12 869–21 448) |
| Central | 18 113 (12 283–25 358) | Central | 15 728 (10 009–21 448) |
| Southern | 10 063 (7648–15 698) | Southern | 10 009 (7149–12 869) |
| Northern/Central Ancestor | 56 781 (20 528–675 143) | Southern/Central Ancestor | 55 764 (38 606–2 732 158) |
| P. angustifolia Ancestor | 804 483 (318 412–799 653) | P. angustifolia Ancestor | 132 976 (118 678–2 807 082) |
|
Migration=2Nimij |
Migration=2Nimij |
||
| Northern>Central | 0.756 (0.387–1.769) | Northern>Central | 0.485 (0.169–1.272) |
| Central>Northern | 1.050 (0.320–1.905) | Central>Northern | 0.439 (0.051–1.316) |
| Northern>Southern | 0.011 (0.002–0.143) | Northern>Southern | 0.025 (0.003–0.248) |
| Southern>Northern | 0.046 (0.008–0.331) | Southern>Northern | 0.018 (0.002–0.265) |
| Central>Southern | 0.098 (0.005–0.287) | Central>Southern | 0.043 (0.004–0.362) |
| Southern>Central | 0.121 (0.017–0.405) | Southern>Central | 0.009 (0.003–0.367) |
| Southern>Northern/Central Ancestor | 0.079 (0.004–0.473) | Northern>Southern/Central Ancestor | 0.037 (0.003–0.334) |
| Northern/Central Ancestor>Southern | 0.002 (0.003–14.96) | Southern/Central Ancestor>Northern | 0.408 (0.049–129.727) |
2Nimij represents the rate at which migrants from population j move to population i (from i to j in the reverse-time coalescent).