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. 2015 Jun 26;10(6):e0131067. doi: 10.1371/journal.pone.0131067

Fig 3. Bioclimatic variables (WorldClim database) incorporated with193 GPS capture coordinates for Crotalus willardi obscurus in the sky Islands of southwestern North America provide climate envelopes and core habitat areas in ArcGIS 10.

Fig 3

Color density = strong habitat preference, with black/dark grey being most positive. Red circles = sampling locations. 2014 = current climate envelope; 2080 = a conservative climate envelope projected 66 years in the future.