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Population Demography of the Yellowstone National Park Bison Herds: Author: Fuller, Julie Ann; Date: 2006-05-15; Program: Fish and Wildlife Management; Abstract: The bison population of Yellowstone National Park (YNP) represents an outstanding conservation success story, as their numbers have increased from just 46 in 1902 to >4,000 today. Bison are keystone herbivores in YNP, and are central to several management controversies due to their infection with brucellosis. I integrated 100 years of historical count data with 7 years of recent vital rate data, and parameterized a matrix model using these vital rates to validate population growth estimates and to project future management scenarios involving disease control through vaccination and/or culli...; Download File | View full details