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Greater Sage-Grouse (Centrocercus urophasianus) seasonal use areas are mapped by the Idaho Bureau of Land Management (BLM) to guide how habitat is measured for suitability assessments. Mapped seasonal use areas include areas used by sage-grouse during the spring, summer, and winter. Please note that the three seasonal use areas (spring, summer, winter) overlap each other spatially so need to be symbolized with hollow fills or drawn using a definition query to display them individually. These data are current as of November 2019. |
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Greater Sage-Grouse (Centrocercus urophasianus) seasonal use areas are mapped by the Idaho Bureau of Land Management (BLM) to guide how habitat is measured for suitability assessments. Mapped seasonal use areas include areas used by sage-grouse during the spring, summer, and winter. Please note that the three seasonal use areas (spring, summer, winter) overlap each other spatially so need to be symbolized with hollow fills or drawn using a definition query to display them individually. These data are current as of November 2019. |
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Bureau of Land Management and Idaho Department of Fish and Game |
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5000 |
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Spring, summer and winter seasonal use areas are mapped by the Bureau of Land Management (BLM) for Idaho. Idaho SUAs are a generalized set of polygons representing spring, summer, and winter habitat for Greater Sage-Grouse. The IDF&G habitat suitability index (HSI) model was used as a starting point, which was built using a species distribution modeling technique known as maximum entropy, or Maxent. The program Maxent uses known point locations (e.g. VHF and GPS telemetry points) and a suite of habitat predictor variables (GIS layers) to characterize conditions of occupied habitat. We selected habitat variables related to vegetation type, percent cover, topography, and landscape context (e.g., how much of the landscape has at least 10 percent sagebrush cover). Maxent models the set of conditions that are typically found at the training points, then applies that model to the full landscape, creating a wall-to-wall estimate of habitat suitability based on how similar conditions are to occupied habitat. |
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These data are provided by Bureau of Land Management (BLM) 'as is' and might contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User's intended use. The information contained in these data is dynamic and may change over time. The data are not better than the sources from which they were derived, and both scale and accuracy may vary across the data set. These data might not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate. The User is encouraged to carefully consider the content of the metadata file associated with these data. These data are neither legal documents nor land surveys, and must not be used as such. Official records may be referenced at most BLM offices. Please report any errors in the data to the BLM office from which it was obtained. The BLM should be cited as the data source in any products derived from these data. Any Users wishing to modify the data should describe the types of modifications they have performed. The User should not misrepresent the data, nor imply that changes made were approved or endorsed by BLM. This data may be updated by the BLM without notification. |
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| title:
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BLM ID Greater Sage-grouse Seasonal Use Areas poly |
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["biota","Bureau of Land Management","Caribou-Targhee","Centrocercus urophasianus","Department of the Interior","GRSG","Habitat","Idaho","Nevada","Oregon","Seasonal Habitat","Spring Habitat","Summer Habitat","Utah","Western States","Wildlife","Winter Habitat","Wyoming"] |
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en-US |
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150000000 |
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