Table 2. Summary of the software, data, and parameters used to define in each of the five models simulated in this study.
| Model simulated | |||||
| Two-island | Isolation-migration | Bottleneck | Hybridization | Selection | |
| Demographic parameters1 | lamarc: θOW, θNW, MOW, MNW | im: θOW, θNW, θA, MOW, MNW, t, s | im: θOW, θNW, θA, MOW, MNW, t, s | im: θOW, θNW, θA, MOW, MNW, t, s | im: θOW, θNW, θA, MOW, MNW, t, s |
| Number of loci | 22 | 22 | 22 | 22 | 16 |
| Recombination1 | lamarc | lamarc | lamarc | lamarc | lamarc |
| Relative substitution rates (μR)1 | *beast | *beast | *beast | *beast | *beast |
| Additional parameters | ----- | ----- | lamarc: θOW (i.e., θpre-bottleneck) | im: θfalcated duck,Mfalcated duck→OW,tfalcated duck-gadwall | ----- |
1
Incorporated uncertainty by sampling values from the posterior distributions calculated for each parameter.