Name: MD_mergedBigGameStopOverWinterRangeCorridor

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Description: The North Central pronghorn herd is the only known consistently migratory pronghorn herd in New Mexico, and one of the few pronghorn herds in the west that migrate to higher elevations (7,400 to 10,800 ft). Their winter range includes primarily sagebrush steppe and stretches across the Rio Grande del Norte National Monument from the Rio Grande to the base of the San Juan Mountains. The pronghorn follow two primary migration corridors; a northern corridor follows the San Antonio River southwest of the Pinabetal Mesa and a southern corridor follows the arroyos southwest of San Antonio Mountain to Little Tusas Creek. As their migration continues west and overlaps with the San Antonio elk herd, the pronghorn travel through conifer, deciduous, and mixed forests interspersed with shrublands. High-elevation summer range for North Central pronghorn consists of montane meadows, particularly along the Rio Brazos. Some of the herd crosses U.S. Highway 285 during migration, probably facilitated by lay-down fence that is removed in the winter. Migration routes to higher elevations tend to occur in areas with sparse, woody plant cover; increased canopy cover and woody plant encroachment could influence pronghorn migrations in the future. Fence modifications are ongoing on the Bureau of Land Management lands to facilitate pronghorn movements and use of the landscape. These mapping layers show the location of the migration stopovers for pronghorn (Antilocapra americana) in the North Central herd in New Mexico. They were developed from 60 migration sequences collected from a sample size of 24 animals comprising GPS locations collected every 2-8 hours.

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