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Folders: ROOT > ScienceBase Catalog > Forest and Rangeland Ecosystem Science Center (FRESC) > FRESC Public Data > SAGEMAP > Greater Sage-Grouse- Ecology and Conservation of a Landscape Species and its Habitats ( Show all descendants )

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_ScienceBase Catalog
__Forest and Rangeland Ecosystem Science Center (FRESC)
___FRESC Public Data
____SAGEMAP
_____Greater Sage-Grouse- Ecology and Conservation of a Landscape Species and its Habitats
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This map was developed to examine multi-scale spatial relationships between percentage of sagebrush and other response variables of interest. A map of sagebrush in the western United States was used as a base layer for a moving window analysis to calculate the percentage of the area classified as sagebrush within a 50-km search radius.
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Greater sage-grouse population components devrived using an 18-km maximum connection distance. Analysis was conducted using the CONEFOR SENSINODE 2.2 software package and this dataset was developed from lek data obtained from the state wildlife agencies. Components containing < 5 leks have been removed in order to protect the location of single or small groups of leks.
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This map was developed to examine multi-scale spatial relationships between percentage of sagebrush and other response variables of interest. A map of sagebrush in the western United States was used as a base layer for a moving window analysis to calculate the percentage of the area classified as sagebrush within a 5-km search radius.
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This map was developed to examine multi-scale spatial relationships between percentage of sagebrush and other response variables of interest. A map of sagebrush in the western United States was used as a base layer for a moving window analysis to calculate the percentage of the area classified as sagebrush within a 54-km search radius.
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This map was developed to examine multi-scale spatial relationships between percentage of sagebrush and other response variables of interest. A map of sagebrush in the western United States was used as a base layer for a moving window analysis to calculate the percentage of the area classified as sagebrush within a 100-km search radius.
thumbnail
This map was developed to examine multi-scale spatial relationships between percentage of sagebrush and other response variables of interest. A map of sagebrush in the western United States was used as a base layer for a moving window analysis to calculate the percentage of the area classified as sagebrush within a 18-km search radius.
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This data set represents a preliminary attempt to define distinct areas of Sage-grouse occupation in North America. The 'boundaries' for subpopulations are not actually boundaries, but lines meant to encircle a specific group of leks. The difference may seem trivial, but it is significant. We did not establish an area associated with each population or subpopulation, and consequently we did not evaluate the associated habitat and/or landscape. This type of analysis would have required a specific assessment of the habitat within and between each of the identified populations and subpopulations. The descriptions of subpopulations are clearly a preliminary attempt to define distinct areas of occupation.
A summary data set of all fire polygons we could locate as of December 2007. We used multiple datasets to develop this layer, including data gathered from the internet, publically available databases, and personal contacts with dozens of agency personnel throught the western U.S. Data were assessed for utility (but not accuracy) and formatted for consistency. Each source data set was then attributed consistently with fields for record number and year (of fire). Because various resource management entities map fires somewhat independently (especially in more recent years) we merged overlapping polygons for each year. Users are encouraged to understand the contents of this data file before using it.
A summary data set of all fire polygons we could locate as of December 2007. We used multiple datasets to develop this layer including data gathered from the internet, publically available databases, and personal contacts with dozens of agency personnel throught the western U.S. Data were assessed for utility (but not accuracy) and formatted for consistency. Each source data set was then attributed consistently with fields for record number and year (of fire). Because various resource management entities map fires somewhat independently (especially in more recent years) we merged overlapping polygons for each year. Users are encouraged to understand the contents of this data file before using it.


    map background search result map search result map Proportion of Sagebrush Land Cover (18-km scale) in the western US Proportion of Sagebrush Land Cover (5-km scale) in the western US Proportion of Sagebrush Land Cover (50-km scale) in the western US Proportion of Sagebrush Land Cover (54-km scale) in the western US Sagebrush habitat in the western US (90m) Sagebrush habitat in the western US (540m) Proportion of Sagebrush Land Cover (100-km scale) in the western US Sage Grouse Lek Components (2003-2007) Western Fire Map (1870-2007) Western Range Fires (1870-2007) Sage-grouse Subpopulations in North America Sage-grouse Subpopulations in North America Sage Grouse Lek Components (2003-2007) Western Range Fires (1870-2007) Proportion of Sagebrush Land Cover (100-km scale) in the western US Proportion of Sagebrush Land Cover (18-km scale) in the western US Proportion of Sagebrush Land Cover (5-km scale) in the western US Proportion of Sagebrush Land Cover (50-km scale) in the western US Proportion of Sagebrush Land Cover (54-km scale) in the western US Sagebrush habitat in the western US (540m) Sagebrush habitat in the western US (90m) Western Fire Map (1870-2007)