Table 1.
Range of each variable used for predicting the distribution of suitable habitat
| Variable | Statewide range | Maxent range | Selected range |
| Mean diurnal temperature range (°C × 10) | 98–135 | 99–133 | 110–132 |
| Maximum temperature during the warmest month (°C × 10) | 218–301 | 230–296 | 247–290 |
| Annual temperature range (°C × 10) | 402–505 | 402–495 | 424–490 |
| Mean temperature of the coldest quarter (°C × 10) | −158 to −70 | −143 to −70 | −100 to −83 |
| Precipitation during the wettest quarter (mm) | 214–336 | 246–336 | 278–327 |
| Precipitation during the coldest quarter (mm) | 39–116 | 43–116 | 51–81 |
| Elevation (m) | 175–668 | 179–600 | 227–525 |
| Land cover (GAP)* | Minnesota (%) | Maxent (%) | Selected (%) |
| Cool temperate forest | 14.20 | 57.50 | 46.25 |
| Temperate flooded and swamp forest | 5.80 | 8.90 | 18.75 |
| Lowland and montane boreal forest | 13.60 | 9.80 | 15.00 |
| Boreal flooded and swamp forest | 10.70 | 0.80 | 1.25 |
| Temperate grassland, meadow, and shrub land | 1.30 | 2.50 | 1.25 |
| Temperate and boreal freshwater wet meadow and marsh | 1.50 | 4.50 | 6.25 |
| Herbaceous agricultural vegetation | 45.40 | 0.00 | 1.25 |
| Recently disturbed or modified | 1.80 | 3.80 | 1.25 |
| Developed and urban | 5.40 | 12.00 | 8.75 |
Ranges are shown for the entire state of Minnesota, for the entire distribution of the Maxent model, and the range at the points selected for sampling in 2015.
*
GAP = U.S. Geological Survey Gap Analysis Program. May 2011, National Land Cover version 2.