Colorado Species Distribution – PREBLE'S MEADOW JUMPING MOUSE (occupied range)

PJ_MOUSE-occupied_range is an ESRI shapefile showing the Occupied Range for Preble's Meadow Jumping Mouse (Zapus hudsonius preblei) in Colorado. Occupied range is defined as those areas where Preble's are known to occur. These data are derived by combining known occurrences of Preble's with mapped riparian vegetation and applying a 1 mile buffer both upstream and downstream including both the main channel and side channels. Additionally, a 100 meter lateral buffer is applied which, in general, represents foraging and hibernaculum habitat. This buffer serves as a general guideline. Site specific topographic and vegetative features may increase or decrease the area considered locally as foraging and hibernaculum habitat. Where riparian vegetation maps don't exist, the stream centerline is buffered laterally by 100 meters, preferably using hydrology data contained on the USGS 1:24,000 topographic quadrangles.

The activity item has a value of 1; this value indicates the range for that activity.

This information was derived from field personnel. A variety of data capture techniques were used including drawing on mylar overlays at 1:50,000 scale USGS county mapsheets and implementation of the SmartBoard Interactive Whiteboard using stand-up, real-time digitizing at various scales (Cowardin, M., M. Flenner. March 2003. Maximinzing Mapping Resources. GeoWorld 16(3):32-35).