Table 2.
Basic information of the six villages in the research area
| The village | Number of households | Population | Number of households interviewed | Interview proportion | Altitude (m) | Geographic location |
|---|---|---|---|---|---|---|
| Village a | 118 | 560 | 42 | 36% | 1475 | 106° 10′ E, 37° 27′ N |
| Village b | 101 | 370 | 39 | 39% | 1300 | 106° 24′ E, 37° 46′ N |
| Village c | 240 | 820 | 73 | 30% | 1300 | 105° 99′ E, 37° 37′ N |
| Village d | 180 | 730 | 68 | 38% | 1263 | 106° 29′ E, 37° 46′ N |
| Village e | 128 | 538 | 48 | 38% | 1821 | 106° 47′ E, 35° 36′ N |
| Village f | 120 | 397 | 45 | 38% | 1593 | 105° 86′ E, 36° 60′ N |