Many people believe grazing management is vital to ecosystem health. Others feel ecosystems are only healthy when nature takes its course. The Great Plains bison population of the early 1800s supposedly supports the superiority of goal-free grazing management.
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By 1883, bison were virtually extinct, and hunting is usually blamed. However, records indicate that hunters killed less than the annual increase each year. Evidence implicates disease and habitat degradation instead.
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Comparing Allan Savory's observations in Africa, Lewis and Clark's observations in eastern Montana, and Blackfoot history, indications are the bison disappearance was perhaps triggered by the loss of intelligent human management.
