Trophic cascades are powerful indirect interactions that can control entire ecosystems. Trophic cascades occur when predators limit the density and/or behavior of their prey and thereby enhance ...

The elks, in turn, devoured the vegetation, triggering a trophic cascade or ecosystem collapse. The loss of prey often forces predators to find new food sources, which can have unpredictable ...

The National Park Service (NPS) and the U.S. Fish and Wildlife Service announced Thursday a decision to “actively restore” grizzly bears to the North Cascades region of Washington state.

Trophic cascades are powerful indirect interactions that can control entire ecosystems. Trophic cascades occur when predators limit the density and/or behavior of their prey and thereby enhance ...