Table 3.
Summary characteristics of six subregions within the study area, A.D. 600–1280, averaged over each period.
| Subregion | Area (km2) | Survey Coverage (%) |
Mean Elevation (m) |
Percent of Subregion in Maize Niche |
Mean Variability |
Mean Good- year count |
Mean Bad- year count |
No. of Years Completely Outside/Inside of Niche |
|---|---|---|---|---|---|---|---|---|
| Dolores | 1022 | 18 | 2136 | 83 | .34 | 8.28 | 1.41 | 12/66 |
| Hovenweep | 364 | 18 | 1654 | 43 | .46 | 2.48 | 3.49 | 98/150 |
| McElmo | 1156 | 20 | 1941 | 74 | .40 | 6.04 | 1.68 | 63/330 |
| Mesa Verde Landform | 666 | 5 | 1990 | 75 | .38 | 6.77 | 1.70 | 20/58 |
| Mesa Verde National Park | 215 | 100 | 2250 | 89 | .29 | 10.23 | 1.24 | 13/166 |
| Ute Piedmont | 640 | 23 | 1622 | 29 | .39 | 1.94 | 6.53 | 116/61 |
| Total or Mean | 4064 | 22 | 1939 | 68 | .38 | 5.99 | 2.51 | 10/0 |