A keystone in an arch's ... in the populations of many plant species (e.g., aspen, willow) resulted, which in turn influenced other wildlife, such as beaver and songbird populations (Ripple ...

The American beaver (Castor canadensis) is a keystone species whose ponds and wetlands help replenish groundwater, serve as buffers against wildfires, and provide habitat for a wide variety of ...

Beavers are often called a “keystone” species, which in environmental terms means a species that is vital to the health and sustainability of a particular ecosystem, and without which ...