Parent Layer: Greater Sage Grouse

Name: Greater Sage Grouse General Habitat

Display Field: Status

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Greater sage-grouse GIS data set identifying Preliminary Priority Habitat (PPH) and Preliminary General Habitat (PGH) within Colorado. This data is a combination of mapped grouse occupied range, production areas, and modeled habitat (summer, winter, and breeding).PPH is defined as areas of high probability of use (summer or winter, or breeding models) within a 4 mile buffer around leks that have been active within the last 10 years. Isolated areas with low activity were designated as general habitat.PGH is defined as Greater sage-grouse Occupied Range outside of PPH.Datasets used to create PPH and PGH:Summer, winter, and breeding habitat models. Rice, M. B., T. D. Apa, B. L. Walker, M. L. Phillips, J. H. Gammonly, B. Petch, and K. Eichhoff. 2012. Analysis of regional species distribution models based on combined radio-telemetry datasets from multiple small-scale studies. Journal of Applied Ecology in review.Production Areas are defined as 4 mile buffers around leks which have been active within the last 10 years (leks active between 2002-2011).Occupied range was created by mapping efforts of the Colorado Division of Wildlife (now Colorado Parks and Wildlife – CPW) biologists and district officers during the spring of 2004, and further refined in early 2012. Occupied Habitat is defined as areas of suitable habitat known to be used by sage-grouse within the last 10 years from the date of mapping. Areas of suitable habitat contiguous with areas of known use, which do not have effective barriers to sage-grouse movement from known use areas, are mapped as occupied habitat unless specific information exists that documents the lack of sage-grouse use. Mapped from any combination of telemetry locations, sightings of sage grouse or sage grouse sign, local biological expertise, GIS analysis, or other data sources. This information was derived from field personnel. A variety of data capture techniques were used including 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). Update: In August 2012, this dataset was modified to correct topology errors and clipped to the Colorado boundary.

Copyright Text: Colorado Parks and Wildlife GIS Group, Species Conservation Unit, Biologists, District Wildlife Managers and Researchers

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Supported Query Formats: JSON, geoJSON

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Spatial Reference: 26913  (26913)

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Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Status ( type: esriFieldTypeString, alias: Status, length: 25 )
• Population ( type: esriFieldTypeString, alias: Population, length: 35 )
• PPPH ( type: esriFieldTypeInteger, alias: PPPH )
• PPGH ( type: esriFieldTypeInteger, alias: PPGH )
• Acres ( type: esriFieldTypeDouble, alias: Acres )
• Habitat ( type: esriFieldTypeString, alias: Habitat, length: 10 )
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