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| Sum of the Parts The Seven National Forests Surrounding Yellowstone National Park are Vital for the Park's Survival by Wendy Martin |
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| The boundaries of Yellowstone National Park have been a source of conflict since the park was established by executive order in 1872. The original borders, made along rigid lines of latitude and longitude, enclosed key geologic features but showed little understanding of the overall ecosystem. Over decades, the edges have been redrawn to reflect the area’s watersheds, topography and wildlife migrations, but the condition of many of the park’s attractions remain linked to surrounding national forests. The phrase “Greater Yellowstone Ecosystem” is credited to Yellowstone bear researcher Frank Craighead’s 1979 book, Track the Grizzly. Its use marked the first time that the three states, two national parks, seven national forests, various private lands and human communities were considered a working whole rather than separate, self-sustaining entities. Bridger-Teton National Forest Beaverhead-Deerlodge National Forest Custer National Forest Caribou National Forest Shoshone National Forest Targhee National Forest Gallatin National Forest Click here
to read about the Greater Yellowstone Ecosystem.
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