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Annual Ranges of Pronghorn in the South of Interstate 40 Herd in Arizona

Metadata Updated: October 28, 2023

The South of Interstate 40 (I-40) pronghorn (Antilocapra americana) herd make one of Arizona’s most remarkable migrations. This herd resides primarily in GMU 8, which had a population estimate of 450 individuals in 2019. Unlike traditional summer-winter range dynamics, this pronghorn herd relies on a complex of several important seasonal ranges connected by narrow corridors. Migration between ranges appear to be driven by winter conditions, thus, the timing of the movements is highly variable. The herd has high fidelity to these corridors, which elevates the importance of research and management efforts to conserve them. During the summer, these pronghorn inhabit large grasslands in and around Garland Prairie. During migration, animals move westward, parallel to I-40 passing through densely forested habitat before stopping on grasslands in Putney Flat. After some time there, many individuals move even lower in elevation, traveling south to winter range on Wagon Tire Flat and open meadows north of the Verde River. Some individuals cross the Verde River, traveling through the Juniper Mountains as far south as US-Highway 69. High-volume roads including I-40 and State Route 89 present the largest threats to movement for this herd. These roads also appear to influence the herd’s movement patterns along this corridor, as pronghorn rarely cross them. These data provide the location of annual ranges for American pronghorn from the South of Interstate 40 Herd in Arizona. They were developed from 43 annual sequences collected from a sample size of 24 animals comprising GPS locations collected every 2 hours.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Dates

Metadata Created Date June 1, 2023
Metadata Updated Date October 28, 2023

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date October 28, 2023
Publisher U.S. Geological Survey
Maintainer
@Id http://datainventory.doi.gov/id/dataset/38648b9d28a3df66840244323bb135ee
Identifier USGS:620e4b7ad34e6c7e83baa3dc
Data Last Modified 20220407
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
Metadata Catalog ID https://datainventory.doi.gov/data.json
Schema Version https://project-open-data.cio.gov/v1.1/schema
Catalog Describedby https://project-open-data.cio.gov/v1.1/schema/catalog.json
Harvest Object Id 2fe932e1-89c9-47d1-bab4-1448669fe55e
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -112.5564,34.5428,-111.5966,35.3201
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash 2717e5628e969adcec636e868ff6323295f44a977666177ff0cf822a7152d191
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -112.5564, 34.5428, -112.5564, 35.3201, -111.5966, 35.3201, -111.5966, 34.5428, -112.5564, 34.5428}

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