Table 2 Average SRI calculated over the whole simulation time with respect to the initial invasion location (see Additional file 4)
| Early-time (1st generation) | Middle-time (5000th generation) | Late-time (6600th generation) | |
|---|---|---|---|
| Into node (1,1) | 1.3030e-3 | 5.6061e-3 | 6.5657e-3 |
| Into node (3,3) | 1.1717e-3 | 5.8687e-3 | 7.2121e-3 |
| Into node (5,5) | 1.2828e-3 | 6.3333e-3 | 6.8081e-3 |