Table 2.
Candidate models for single-season occupancy for camera trap surveys and fisher detections in the Bass Lake District, Sierra National Forest, California, USA from October 2007 to October 2014.
| Model, covariates | Ka | AIC | ΔAIC | AICwt | Cumulative AICwt |
|---|---|---|---|---|---|
| Detection; reviewed by Sweitzer et al.[10] | |||||
| Occupancy | |||||
| compete+pred+prey+elev+I(elev2)+ denMDb | 12 | 2197.02 | 0.00 | 0.76 | 0.76 |
| compete+prey+elev+I(elev2)+ denMD | 11 | 2199.68 | 2.66 | 0.20 | 0.96 |
| compete+pred+prey+ elev+I(elev2) | 11 | 2203.34 | 6.32 | 0.03 | 0.99 |
| compete+prey+ elev+I(elev2) | 10 | 2205.76 | 8.74 | 0.01 | 1.00 |
| compete+pred+elev+I(elev2)+ denMD | 11 | 2213.83 | 16.82 | 0.00 | 1.00 |
| compete+elev+I(elev2)+ denMD | 10 | 2214.87 | 17.86 | 0.00 | 1.00 |
| pred+prey+elev+I(elev2)+ denMD | 11 | 2215.23 | 18.21 | 0.00 | 1.00 |
| prey+elev+I(elev2)+ denMD | 10 | 2216.24 | 19.22 | 0.00 | 1.00 |
| compete+pred+elev+I(elev2) | 10 | 2221.20 | 24.18 | 0.00 | 1.00 |
| compete+elev+I(elev2) | 9 | 2221.93 | 24.91 | 0.00 | 1.00 |
| pred+prey+ elev+I(elev2) | 10 | 2223.36 | 26.34 | 0.00 | 1.00 |
| prey+ elev+I(elev2) | 9 | 2224.15 | 27.14 | 0.00 | 1.00 |
| pred+elev+I(elev2)+ denMD | 10 | 2226.99 | 29.98 | 0.00 | 1.00 |
| elev+I(elev2)+ denMD | 9 | 2227.37 | 30.36 | 0.00 | 1.00 |
| pred+elev+I(elev2) | 9 | 2235.29 | 38.27 | 0.00 | 1.00 |
| elev+I(elev2) | 8 | 2235.49 | 38.47 | 0.00 | 1.00 |
| compete+pred+prey+denMD | 10 | 2319.35 | 122.33 | 0.00 | 1.00 |
| compete+prey+denMD | 9 | 2328.09 | 131.07 | 0.00 | 1.00 |
| compete+pred+prey | 9 | 2334.30 | 137.28 | 0.00 | 1.00 |
| compete+prey | 8 | 2340.81 | 143.80 | 0.00 | 1.00 |
| compete+pred+denMD | 9 | 2345.27 | 148.25 | 0.00 | 1.00 |
| pred+prey+denMD | 9 | 2347.54 | 150.52 | 0.00 | 1.00 |
| compete+denMD | 8 | 2351.19 | 154.17 | 0.00 | 1.00 |
| prey+denMD | 8 | 2353.77 | 156.75 | 0.00 | 1.00 |
| compete+pred | 8 | 2362.75 | 165.73 | 0.00 | 1.00 |
| pred+prey | 8 | 2363.31 | 166.29 | 0.00 | 1.00 |
| compete | 7 | 2365.91 | 168.89 | 0.00 | 1.00 |
| prey | 7 | 2367.54 | 170.53 | 0.00 | 1.00 |
| pred+denMD | 8 | 2367.87 | 170.86 | 0.00 | 1.00 |
| denMD | 7 | 2372.75 | 175.74 | 0.00 | 1.00 |
| pred | 7 | 2385.93 | 188.91 | 0.00 | 1.00 |
| Intercept Only |
6 |
2388.52 |
191.50 |
0.00 |
1.00 |
a
Number of parameters.
b
This was the single best model of single-season fisher occupancy from our analyses.