Draft environmental impact statement for Draft environmental impact statement for the interagency bison management plan for the state of Montana and Yellowstone National Park draftenvironment09unit Year: 1998 SUMMARY bison herd would first be vaccinated (when a safe and effective vaccine was available), primarily through remote means, and tested as they attempted to exit at park boundary locations. When tests showed the incidence of exposure to B. abortus had stabilized as a result of vaccination, (estimated to occur in 10 years) the herdwide capture, test, and slaughter of seropositive biso
Draft environmental impact statement for Draft environmental impact statement for the interagency bison management plan for the state of Montana and Yellowstone National Park draftenvironment09unit Year: 1998 SUMMARY bison herd would first be vaccinated (when a safe and effective vaccine was available), primarily through remote means, and tested as they attempted to exit at park boundary locations. When tests showed the incidence of exposure to B. abortus had stabilized as a result of vaccination, (estimated to occur in 10 years) the herdwide capture, test, and slaughter of seropositive bison outlined in alternative 5 would begin. Unlike alternative 5, bison would be allowed in the Eagle Creek/Bear Creek and western SMAs, although the majority of bison in the western SMA would be tested and released sero- negatives. The National Park Service would construct and operate a capture facility at Seven- Mile Bridge inside the park on the west side. Nearly all bison migrating toward the West Yellowstone area cross through this narrow area. These facilities (at Duck Creek and the Madison River) would be dismantled, although a small, backup capture facility near Horse Butte, might be maintained. Alternative 7: Preferred Alternative - Manage for Specific Bison Population Range The preferred alternative departs from all other alternatives in that a range of bison population numbers would be the focus, and specific management scenarios would be put in place as the population approached either end of that range. This range would be from 1,700 to 2,500 bison. Agency controls would decrease as the bison population approached 1,700 and would cease at 1,700 bison in certain areas as described in management sections for each area. Additional measures to remove increasing numbers of bison would be implemented near the 2,500 mark if bison left the park or SMAs described in this alternative. Because bison removals occur at or outside the park boundary, the bison population could at ti
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