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Table 1 Environmental variables used in the black bear movement analyses

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

Variable Massachusetts source Buffer area source (if different from Massachusetts source)
Topographic
 Ruggedness derived from National Elevation Dataset  
 Slope derived from National Elevation Dataset  
Development
 All Roads Designing Sustainable Landscapes  
 Primary Roads Designing Sustainable Landscapes  
 Secondary & Tertiary Roads Designing Sustainable Landscapes  
 Primary, Secondary, & Tertiary Roads Designing Sustainable Landscapes  
 Open space Massachusetts GIS Land Use 2005 layer (cemetery, golf course, recreation areas) Designing Sustainable Landscapes (developed open space)
 Commercial / Industrial Massachusetts GIS Land Use 2005 layer (Commercial / Industrial / Junkyard / Urban Public, Institutional / waste disposal) Designing Sustainable Landscapes (developed high intensity)
 High density residential Massachusetts GIS Land Use 2005 layer (Housing on < 1/4 acre lots) Designing Sustainable Landscapes (developed high intensity)
 Medium density residential Massachusetts GIS Land Use 2005 layer (Housing on 1/4–1/2 acre lots) Designing Sustainable Landscapes (developed medium intensity)
 Low density residential Massachusetts GIS Land Use 2005 layer (Housing on 1/2–1 acre lots) Designing Sustainable Landscapes (developed low intensity)
 Very low density residential Massachusetts GIS Land Use 2005 layer (Housing on > 1 acre lots) Designing Sustainable Landscapes (developed low intensity)
 Percent impervious surface Designing Sustainable Landscapes  
 Agriculture Massachusetts GIS Land Use 2005 layer (pasture, cropland, orchard, open land) Designing Sustainable Landscapes (pasture)
 Powerline corridors Massachusetts GIS Land Use 2005 layer Designing Sustainable Landscapes (developed open space)
Water and wetlands
 Open water Massachusetts GIS Land Use 2005 layer Designing Sustainable Landscapes
 Emergent wetland USGS National Wetlands Inventory  
 Forested wetland USGS National Wetlands Inventory  
Vegetation
 Coniferous forest Pasquarella et al. [36]; Pasquarella et al. (in prep)  
 Deciduous forest Pasquarella et al. [36]; Pasquarella et al. (in prep)  
 Mixed forest Pasquarella et al. [36]; Pasquarella et al. (in prep)  
Landscape Configuration Metrics
 Similarity Designing Sustainable Landscapes