Table 1.
Sampling information and genetic diversity of 16 populations of red birch, ‘diploid’ red birch and white birch based on microsatellites. Populations with less than seven samples are not included
| Code | Species* | Location | Latitude (°N) | Longitude (°E) | Gene diversity | Allelic richness |
|---|---|---|---|---|---|---|
| XYB | R (18) | Ningshan County | 33.47 | 108.5 | 0.78 | 5.99 |
| XYB | D (7) | Ningshan County | 33.47 | 108.5 | 0.68 | 4.3 |
| BYS | D (20) | Song County | 33.65 | 111.83 | 0.61 | 3.84 |
| TY | R (38) | Taibai County | 34 | 107.29 | 0.78 | 5.82 |
| TY | W (32) | Taibai County | 34 | 107.29 | 0.59 | 4.06 |
| TTH | R (30) | Feng County | 34.27 | 106.52 | 0.78 | 6.12 |
| TTH | W (23) | Feng County | 34.27 | 106.52 | 0.59 | 4.16 |
| MJS | R (8) | Maiji Mountain | 34.34 | 106.02 | 0.77 | 5.47 |
| SWP | R (24) | Shunwangping | 35.43 | 111.97 | 0.76 | 5.77 |
| SWP | W (15) | Shunwangping | 35.43 | 111.97 | 0.66 | 4.4 |
| PQG | R (32) | Pangquangou | 37.89 | 111.43 | 0.8 | 6.11 |
| PQG | W (21) | Pangquangou | 37.89 | 111.43 | 0.67 | 4.5 |
| BSH | R (20) | Baishi Mountain | 39.21 | 114.69 | 0.8 | 6.11 |
| BSH | W (19) | Baishi Mountain | 39.21 | 114.69 | 0.61 | 4.41 |
| XLS | R (25) | Xiling Mountain | 40.03 | 115.32 | 0.8 | 6.34 |
| XLS | W (30) | Xiling Mountain | 40.03 | 115.32 | 0.65 | 4.65 |
*R, D and W represent red birch, ‘diploid’ red birch and white birch, respectively. The number in parentheses is the sample size. One location (BYS) for red birch and one location (TTH) for ‘diploid’ red birch were not included in this table as sample numbers there are less than seven.