Why are beaver dams important?

BeaverAside from making good homes for their families and friends, beavers play a role in nature’s big picture when they build dams. More than most environments, wetlands depend heavily on beaver dams. Wetlands host a variety of animal species and absorb large amounts of water, which counteracts the effects of heavy rainfall and can thus prevent potential floods. In addition, beaver dams act as natural filters that prevent sediment and toxins from flowing into streams and on into oceans.

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