Species analysis
Statistical exploration
Classification trees
Variables
Gray Partridge
Occurred the most disproportionately in hexagons with modified
grassland (Northeast Oregon), especially those with more than 30%
modified grassland (Northeast Oregon). Occurred to a lesser degree in
hexagons with more than 22% sagebrush steppe and with elevation
(hex. avg.) of 243-1336 ft. The logistic regression analysis showed
positive or negative association with June maximum temperature (hex.
max.) and the extent of public land.
Classification trees
Hexagons: using ONHP land cover classification (accuracy score: 89.02)
Squares: using ONHP land cover classification (accuracy score: 96.61)
Hexagons: using AVHRR land cover classification (accuracy score: 90.65)
