Skip to main content

Table 2 Proportion of bear models containing each environmental variable. Because the step selection functions were optimized for each individual bear, not all bears had the same explanatory variables in their final models

From: Black bears alter movements in response to anthropogenic features with time of day and season

  All seasons/diel periods Spring day Spring night Summer day Summer night Fall day Fall night
Percent impervious surface 0.61 0.29 0.14 0.55 0.33 0.35 0.30
All Roads 0.17 0.34 0.19 0.13 0.19 0.28 0.30
Secondary & Tertiary Roads 0.10 0.15 0.14 0.17 0.13 0.15 0.11
Primary, Secondary, & Tertiary Roads 0.11 0.16 0.14 0.13 0.19 0.21 0.15
Primary Roads 0.06 0.05 0.05 0.02 0 0.07 0
Very low density residential 0.14 0.24 0.38 0.21 0.19 0.12 0.26
Low density residential 0.18 0.11 0.43 0.19 0.14 0.12 0.22
Commercial / Industrial 0.23 0.21 0.29 0.17 0.10 0.09 0.07
Open space 0.14 0.05 0.24 0.06 0.05 0.05 0.11
Agriculture 0.55 0.47 0.48 0.43 0.43 0.40 0.48
Powerline corridors 0.30 0.05 0.14 0.32 0.14 0.19 0.22
Slope 0.48 0.34 0.29 0.30 0.24 0.37 0.26
Ruggedness 0.52 0.26 0.24 0.49 0.33 0.47 0.33
Similarity 0.48 0.53 0.43 0.34 0.38 0.56 0.48
Open water 0.26 0.21 0.48 0.15 0.14 0.14 0.19
Emergent wetland 0.44 0.50 0.48 0.43 0.24 0.23 0.30
Forested wetland 0.80 0.53 0.29 0.64 0.24 0.81 0.52
Coniferous forest 0.55 0.39 0.43 0.34 0.33 0.35 0.33
Mixed forest 0.66 0.47 0.38 0.44 0.57 0.53 0.44
Deciduous forest 0.73 0.58 0.33 0.57 0.38 0.67 0.70