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GPChickenHistoricRange is an ESRI SDE Feature Class showing Colorado greater prairie chicken distribution. Maps are derived from records of lekking sites for greater prairie chickens. Leks may be classified as active, inactive or lek of unknown status. Classification is usually based on knowledge of population fluctuations and/or male attendance; leks are considered to identify important seasonal activity areas nearby. GPChickenHistoricRange is an ESRI shapefile showing areas where greater prairie chickens have been known to occur prior to 1955 (taken from Aldrich and Duvall, 1955). This information was derived from field personnel. A variety of data capture techniques were used including drawing on mylar overlays...
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GPChickenProductionArea is an ESRI SDE Feature Class showing areas which includes all nesting and brood rearing habitat of the greater prairie chicken. Currently defined as a 2.2 mile buffer zone around each active lek point in the SDE Feature Class GPChickenLeks and clipped to GPChickenOverallRange. 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. Maximizing Mapping Resources. GeoWorld 16(3):32-35). Dataset was acquired from a third party...
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GPChickenOverallRange is an ESRI SDE Feature Class showing Colorado greater prairie chicken distribution. Maps are derived from records of lekking sites for greater prairie chickens. Leks may be classified as active, inactive or lek of unknown status. Classification is usually based on knowledge of population fluctuations and/or male attendance; leks are considered to identify important seasonal activity areas nearby. GPChickenOverallRange is an ESRI shapefile showing those areas which encompass all known seasonal activities within the observed range of the prairie chicken. This is currently defined as the mean distance of winter movements (6 km radius buffer zone around active lek sites). It does not include historic...


    map background search result map search result map Greater Prairie Chicken Production Area Greater Prairie Chicken Overall Range Greater Prairie Chicken Historic Range Greater Prairie Chicken Production Area Greater Prairie Chicken Overall Range Greater Prairie Chicken Historic Range