Keystone species play the same role in many ecological ... This may indicate that a wolf-elk-willow trophic cascade has been reestablished within the GYE. Furthermore, investigators believe ...

The otter-urchin-kelp interaction is an example of a trophic cascade. In this system, the otter (keystone species) increases the abundance of kelp (foundation species) by consuming urchins ...

The critically endangered Mexican wolf was mounting a comeback, thanks to a conservation program that dropped fostered wolf ...

British Columbia was a classic example of the domino effect, which ecologists call a trophic cascade, that comes with reintroducing a keystone species: otters eat urchins, so kelp can regrow.

The wolves of Yellowstone have a trophic cascade on their environment ... had on Yellowstone is undeniable and show that keystone predator species as essential to an ecosystem’s health.

A study last year strengthened the link between recovering sea otter populations and the long-term health of kelp forests – the towering brown algae that provide food and shelter for thousands of ...