Wild, free-roaming burros : status of present knowledge

Collins, Kay; Heller, Thomas; Zarn, Mark.

doi:10.5962/bhl.title.110586

1977

DOI: 10.5962/bhl.title.110586

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Wild, free-roaming burros : status of present knowledge

Kay Collins¹,

Thomas Heller²,

Mark. Zarn³

Abstract: BUREAU OF I AMU AAANAGEMENT CAUr _ OFFICE central LiaRARY COPYTABLE OF CONTENTS 65 Appendix 6 * Remaining federal areas and state lands not shown Wild Burro Area Forest Service Lands BLM Lands Best consolidated public ownership BLM Lands Scattered public ownership Other Federal Lands Parks, Game Ranges, Recreation Areas,

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Contested Realities: Feral Horses in Outback Australia

Symanski

1994

Annals of the Association of American Geographers

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Prior to 1980, feral horse numbers in the Northern Territory of Australia were thought to be low, between 40,000 and 60,000. Based on research done by an American geographer, these estimates should have been critically scrutinized by Australian scientists. They were, however, accepted uncritically. Then in the early 1980s, helicopter censuses showed that the feral horse population was more than 200,000, a figure that, when adjusted upward to 238,000, became the basis for urging pastoralists to join with the Territory's conservation commission to sharply reduce the number of horses. But because of public outcry, the unwillingness of pastoralists to participate in a horse‐reduction program, and a slow‐footed conservation commission, virtually nothing was done. By the late 1980s, the “problem” of feral horses had been redefined. Without supporting data or good reason to believe that large numbers of horses had died through drought or other means, the estimate of horse numbers was adjusted downward to 70,000. The reasons for this redefinition are social and political, and were unrelated to new biological knowledge or the available technical means to dramatically reduce horse populations. While this narrative of contested realities might be seen by some as exemplary of these postmodernist times, this would be an inappropriate inference.

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Contested Realities: Feral Horses in Outback Australia

Symanski

1994

Annals of the Association of American Geographers

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Habitat Use by Feral Horses in the Northern Sagebrush Steppe

Ganskopp¹,

Vávra²

1986

Journal of Range Management

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Distribution patterns of feral horses (Equuscabakks) relative to plant communities, herbaceous production, and perennial water sources were studied from April 1979 to March 1981 in Oregon's Owyhee Breaks. Repcatcd observations of radio-collared and easily identified horses allowed estimation of home range sizes and documentation of the plant communities utilized. A map of plant communities was constructed, and composition and herbaceous production of key communities sampled. Time-lapse cameras monitored the daylight watering patterns of horses. One hundred thirty-three horses were initially censused and identified on the study area with the total population subsequently increasing at an annual rate of 13%. Home ranges averaged 12 km* with the minimum convex polygon procedure and 27 km2 with the 90% confidence ellipse method. No seasonal shifts in home ranges occurred, and no correlations were detected between home range size and numhcr of horses per band, densities of perennial water sources, or levels of forage production within home ranges. Six distinct herds were identified on the area. Only one band of horses moved from one herd to another during the 2-year study. Animals in each herd made greatest use of the most prevalent plant conununity, with no community being universally preferred to over another. Watering activities were most intense during the first and last periods of daylight. Horses rapidly vacated the watering areas after drinking. A seasonal trend was observed in which horses remained slightly closer to uerennial water sources durina warm. drv summer ccs were available.WS~aso~i~&&~ences were not statistically sig nificant, however. A knowledge of the distribution and movement patterns of large herbivores is especially valuable to managers charged with allocat

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The Wild Horse and Burro Issue, 1982

Wolfe

1983

Environmental Review

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Wild, free-roaming burros : status of present knowledge

Cited by 3 publications

References 11 publications

Contested Realities: Feral Horses in Outback Australia

Contested Realities: Feral Horses in Outback Australia

Habitat Use by Feral Horses in the Northern Sagebrush Steppe

The Wild Horse and Burro Issue, 1982

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