Table 2 Coefficient estimates (and associated 95% CI) for population-level parameters of a step selection model for three different classes of polar bears in the Chukchi Sea subpopulation
From: Intrapopulation differences in polar bear movement and step selection patterns
Variable | Class | |||||
|---|---|---|---|---|---|---|
Adult female | Adult male | Sub-adult | ||||
Median | 95% CI | Median | 95% CI | Median | 95% CI | |
Depth | 0.028 | −0.065–0.142 | 0.031 | −0.557–0.639 | −0.046 | −2.263–0.866 |
Conc | 1.515 | 0.998–2.059 | 1.440 | 0.884–2.047 | 1.410 | 0.779–2.047 |
Conc2 | −0.697 | −1.260–0.166 | −0.858 | −1.545–0.262 | −0.772 | −1.446–−0.132 |
SDConc | 0.236 | 0.095–0.377 | 0.308 | 0.099–0.522 | 0.223 | −0.021–0.468 |
D2Land | 0.485 | 0.005–0.960 | 0.488 | −0.073–1.105 | 0.443 | −0.165–1.055 |
D2Land2 | −0.316 | −0.832–0.206 | −0.408 | −1.099–0.206 | −0.377 | −1.105–0.318 |
D2Ice | −1.420 | −2.356–0.469 | −1.338 | −2.327–−0.256 | −1.367 | −2.382–−0.236 |
D2Ice2 | 1.740 | 0.628–2.846 | 1.479 | 0.115–2.713 | 1.454 | −0.153–2.730 |