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Migration Corridors of Pronghorn in the North of Interstate 40 Herd in Arizona

Metadata Updated: November 13, 2025

The North of Interstate 40 Pronghorn herd primarily resides in Arizona’s Game Management Unit (GMU) 7. GMU 7 had an estimated population of 550 pronghorn in 2019. The Pronghorn North of Interstate 40 summer in high elevation open meadows and ponderosa pine habitat near Government Prairie. When winter conditions set in the pronghorn (Antilocapra americana) seek lower elevations, migrating through mixed pinyon-juniper woodlands to open grassland and shrub habitats north of Sitgreaves Mountain, often crossing US Highway 180 (US-180) towards Antelope Flat. US-180 is an increasing threat to this migration corridor as traffic volumes rise. However, right-of-way fence improvements and relatively low traffic volumes on US-180 currently allow some degree of permeability across this highway. Additionally, encroaching pinyon-juniper woodlands are a threat to open grassland habitat within both summer and winter range. These data provide the location of migration corridors for American pronghorn from the North of Interstate 40 Herd in Arizona. They were developed from Brownian bridge movement models using 65 migration sequences collected from a sample size of 16 adult pronghorn 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 September 14, 2025
Metadata Updated Date November 13, 2025

Metadata Source

Harvested from DOI USGS DCAT-US

Additional Metadata

Resource Type Dataset
Metadata Created Date September 14, 2025
Metadata Updated Date November 13, 2025
Publisher U.S. Geological Survey
Maintainer
Identifier http://datainventory.doi.gov/id/dataset/usgs-620e4b72d34e6c7e83baa3d6
Data Last Modified 2022-04-07T00:00:00Z
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://ddi.doi.gov/usgs-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 152cb886-7774-4d17-b30b-6ab86270a297
Harvest Source Id 2b80d118-ab3a-48ba-bd93-996bbacefac2
Harvest Source Title DOI USGS DCAT-US
Metadata Type geospatial
Old Spatial -112.1931, 35.2055, -111.6604, 35.7207
Source Datajson Identifier True
Source Hash 2c4cf3054608f321a744a0565cfa9b8f5dedbc09f582b5f2dea45e57fd11599f
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -112.1931, 35.2055, -112.1931, 35.7207, -111.6604, 35.7207, -111.6604, 35.2055, -112.1931, 35.2055}

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