International Journal of Forestry Research / 2014 / Article / Tab 2

Research Article

Developing a Topographic Model to Predict the Northern Hardwood Forest Type within Carolina Northern Flying Squirrel (Glaucomys sabrinus coloratus) Recovery Areas of the Southern Appalachians

Table 2

Logistic regression models explaining the influence of terrain variables on the presence or absence of northern hardwoods (NH) in the areas above 1219.2.2 m in elevation of western North Carolina, eastern Tennessee, and southwest Virginia which composed our study area (). Sampling took place between June 2012 and January 2013. Model rankings were based on Akaike’s information criterion corrected for small sample size (AICc).


Elevation + TEI8488.300.000.449
Elevation + Curvature8525.1136.81493.12
Elevation + Aspect8534.4846.18502.48
Elevation + Slope + Aspect10554.5966.29490.59
Slope + TEI6670.78182.48638.78

ANumber of parameters + I in approximating model.
BDifference between current model and best approximating model (minimum AlCc).
CCox and Snell’s re-scaled .

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