Wolves reintroduction in Yellowstone Park caused a trophic cascade by altering elk behavior and vegetation growth, benefiting the ecosystem.
Reintroduction of wolves in Yellowstone National Park in 1995 had a profound impact on the ecosystem by triggering a trophic cascade. The wolves preyed on elk, altering their behavior and reducing overgrazing on vegetation near streambanks. This led to the regrowth of important vegetation, benefiting various species like beavers and improving fish habitats.
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