Yellowstone National Park Reintroduction Case Study

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The reintroduction of grey wolves in 1995 into Yellowstone National Park had an incredible ripple effect that had an impact on multiple species of animals and plants. This reintroduction is a fantastic example of interrelatedness between multiple factors. Prior to the wolves returning to Yellowstone, the large population of elk was having a negative impact on other species around them. Without their main predator, the elk population in Yellowstone was able to not only increase but they were also able to remain in one area during the winter. The elk had no main predator to run from, therefore they would stay in one general area and use up the food sources around them, in this case being willow and aspen plants. This was fine for the elk, but

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