Table 4 Ranked models used to test explanatory variables (elk availability (elk/wolf), deer availability (deer/elk), cow elk to calf ratios, and mean snow depth) for changes in proportions of elk calves in summer cougar diets over time, including AIC scores, ∆AIC, W i , and likelihoods, in order of performance, best to worst
From: Recolonizing wolves influence the realized niche of resident cougars
Model no. | No. of variables | Model | AIC | ΔAIC | W i | Likelihood |
|---|---|---|---|---|---|---|
1 | 2 | {Deer/Elk + Cow Calf} | 85.793 | 0.00 | 0.29 | 1.00 |
2 | 2 | {Cow Calf + Snow} | 85.8264 | 0.03 | 0.29 | 0.98 |
3 | 2 | {Elk/Wolf + Snow} | 87.0374 | 1.24 | 0.16 | 0.54 |
4 | 1 | {Snow} | 88.254 | 2.46 | 0.09 | 0.29 |
5 | 1 | {Cow Calf} | 88.8982 | 3.11 | 0.06 | 0.21 |
6 | 3 | {Deer/Elk + Cow Calf + Snow} | 89.8507 | 4.06 | 0.04 | 0.13 |
7 | 2 | {Deer/Elk + Snow} | 90.3895 | 4.60 | 0.03 | 0.10 |
8 | 3 | {Elk/Wolf + Cow Calf + Snow} | 91.6315 | 5.84 | 0.02 | 0.05 |
9 | 3 | {Deer/Elk + Elk/Wolf + Cow Calf} | 92.9873 | 7.19 | 0.01 | 0.03 |
10 | 2 | {Elk/Wolf + Cow Calf} | 93.1075 | 7.31 | 0.01 | 0.03 |
11 | 3 | {Deer/Elk + Elk/Wolf + Snow} | 93.6315 | 7.84 | 0.01 | 0.02 |
12 | 1 | {Deer/Elk} | 96.3017 | 10.51 | 0.00 | 0.01 |
13 | 2 | {Deer/Elk + Elk/Wolf} | 97.3428 | 11.55 | 0.00 | 0.00 |
14 | 1 | {Elk/Wolf} | 98.0101 | 12.22 | 0.00 | 0.00 |
15 | 4 | {Deer/Elk + Elk/Wolf + Cow Calf + Snow} | 101.6466 | 15.85 | 0.00 | 0.00 |