Like wolves, non-native lake trout have radically altered Yellowstone ecosystems (commentary)

Yellowstone National Park is often told as a story of recovery. Wolves returned and then elk changed their behavior. Willows and aspens then rebounded and rivers, it is said, changed course. The reintroduction of wolves in 1995 is one of the most familiar ecological narratives in the world. But the Yellowstone ecosystem was not waiting […]