Table 2. Regression coefficients (R2) between independent field data (McGarigal and McComb 1995) collected in three regions of the Oregon Coast Range (n=10,250 sub-basins in each region) and calculated HCI scores for two focal species. Values in bold are significant at P>0.05.


Species Region Combined habitat capability (HCI) Foraging habitat capability (LCI) Reproduction habitat capability (NCI)
Pileated Woodpecker Drift Creek 0.589 0.355 0.463
Pileated Woodpecker Lobster Creek 0.457 0.366 0.448
Pileated Woodpecker Nestucca River 0.004 0.005 0.010
Warbling Vireo Drift Creek 0.591 0.572 0.774
Warbling Vireo Lobster Creek 0.332 0.320 0.374
Warbling Vireo Nestucca River 0.052 0.068 0.004