Species analysis
Statistical exploration
Classification trees
Variables
Western Wood-Pewee
Occurred the most disproportionately in hexagons with more than 304
mm of annual precipitation and less than 25 mm of July precipitation
(hex. avg.). Likely to occur in moister areas (more than 1511 mm) with
varied topography, or in drier areas (303-359 mm) with more than 4
land cover types. In the driest part of its Oregon range (218-303 mm
annual precipitation), it is most likely to occur if stream density more
than 118 miles of stream per sq. mi. The logistic regression analysis
showed positive or negative association with stream density, ponderosa
pine forest, big sagebrush shrubland, the extent of public land, April
precipitation (hex. max.), topographic variation, and-to a lesser
degree-June precipitation (hex. max.).
Classification trees
Hexagons: using ONHP land cover classification (accuracy score: 90.47)
Squares: using ONHP land cover classification (accuracy score: 72.51)
Hexagons: using AVHRR land cover classification (accuracy score: 90.93)
