Table 1 Sample collection location
| Area | Serial number | Latitude and longitude | Condition |
|---|---|---|---|
| Qiao Gou town | 1# | N 36° 39′ 55.32″, E 109° 29′ 06.05″ | Running |
| 2# | N 36° 39′ 55.40″, E 109° 29′ 21.07″ | Abandoned | |
| 3# | N 36° 40′ 3.07″, E 109° 29′ 25.00″ | Running | |
| 4# | N 36° 40′ 25.39″, E 109° 29′ 10.83″ | Abandoned | |
| 5# | N 36° 40′ 14.19″, E 109° 28′ 51.10″ | Abandoned | |
| Li Qu town | 6# | N 36° 33′ 47.19″, E 109° 32′ 34.65″ | Running |
| 7# | N 36° 34′ 2.20″, E 109° 32′ 33.86″ | Abandoned | |
| 8# | N 36° 32′ 4.72″, E 109° 32′ 23.64″ | Abandoned |