Species analysis
Statistical exploration
Classification trees
Variables
Tufted Puffin
Occurred the most disproportionately in hexagons with April minimum
temperature (hex. med.) of 5-6� C. The logistic regression analysis
showed positive or negative association with Sitka spruce - w. hemlock
maritime forest, the extent of public land, and-to a lesser degree-
Douglas-fir - white fir - tanoak - madrone mixed forest.
Classification trees
Hexagons: using ONHP land cover classification (accuracy score: 98.84)
Squares: using ONHP land cover classification.
A valid statistical analysis could not be conducted.
Hexagons: using AVHRR land cover classification (accuracy score: 99.77)
