Product Type: Science Feature
Author(s): Ransom, J.I., M.E. Swann, J.T. Wilson, and J.E. Roelle
Ransom, J.I., M.E. Swann, J.T. Wilson, and J.E. Roelle. 2007. America’s wild horses and burros: Research for management. http://www.fort.usgs.gov/WildHorsePopulations/.
This publication is available from the USGS Fort Collins Science Center .
In 1971, the U.S. Congress passed The Wild Free-Roaming Horses and Burros Act of 1971 in an effort to protect, manage, and control wild horses and burros on public lands. This legislation declared these wild animal populations to be "living symbols of the historic and pioneer spirit of the West." It vested the U.S. Bureau of Land Management (BLM)1 and the USDA Forest Service with responsibility for their management and directed these agencies to manage wild horses and burros for a “thriving natural ecological balance.”...
Aerial population estimates of wild horses (Equus caballus) in the Adobe Town and Salt Wells Creek Herd Management Areas using an integrated simultaneous double-count and sightability bias correction technique