Service Description: This dataset contains classified bird stopover density information based on weather surveillance radar data from spring (2000-2003 and 2013-2015).
Service ItemId: d3b5934d25a448bf8517e4f2ff094213
Has Versioned Data: false
Max Record Count: 1000
Supported query Formats: JSON
Supports applyEdits with GlobalIds: False
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Description: For each suitable radar sampling day, we used instantaneous measures of vertically-integrated radar reflectivity (VIR); the relative emigrant density in the air from the ground to 1.5 km above ground) interpolated in time to the peak of bird nocturnal flight exodus to map relative emigrant bird stopover densities. We classified bird stopover use by the seasonal mean emigrant density (mean VIR) and coefficient of variation of emigrant density (CV VIR) to identify areas of consistently-high emigrant density. Radars provided direct comprehensive observations of the spatio-temporal patterns of stopover use of migrating birds across nearly a quarter of the land area within the state of North Carolina.
Copyright Text: University of Delaware, Department of Entomology & Wildlife Ecology; NC Wildlife Resources Commission; Partial funding for this project was acquired through the Wildlife Restoration Act.
Spatial Reference: 26918 (26918)
Initial Extent:
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YMin: 3867258.22579525
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Spatial Reference: 26918 (26918)
Full Extent:
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YMin: 3729393.1774
XMax: 393458.9915
YMax: 4169985.0782
Spatial Reference: 26918 (26918)
Units: esriMeters
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