Research Article
Resource Selection by an Endangered Ungulate: A Test of Predator-Induced Range Abandonment
Table 2
Model-averaged parameter estimates, 95% confidence intervals (CI), and Akaike importance weights (AIW) for predictor variables included in best-fitting model of RSF for female and male Sierra Nevada bighorn sheep, Sierra Nevada, California, USA, 2002–2007. Asterisks adjacent to parameter estimates indicate 95% CIs do not overlap zero.
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Note. Variables in RSF models for winter habitat selection by bighorn sheep included convexity over radii of 15 m (CVX15), 100 m (CVX100), and 150 m (CVX150); risk surface from locations of active mountain lions (LNRISK); normalized difference snow index (NDSI); potential relative radiation (PRR); rock cover (ROCK); terrain ruggedness over radii of 20 m (RUG20), 30 m (RUG30), 100 m (RUG100), and 150 m (RUG150); slope (degrees; SLOPE); and tree-shrub cover (TRESH). |