The wolf was the top predator in Yellowstone, and a keystone species of its ecology, until 1926.
The devil is a keystone species in the ecosystem of Tasmania.
Organisms known as keystone species are vital to the stability of their community.
This is especially common with extinction of keystone species.
Coextinction is especially common when a keystone species goes extinct.
If such keystone species are lost, biologists say, the rest of the ecosystem can begin to unravel.
By analyzing network structures, one can determine keystone species that are of particular importance.
A different class of keystone species is what are termed 'ecosystem engineers'.
As keystone species, the resurgence of beaver is a critical event for the region.
It was here that much of his research of keystone species occurred.
Słownik biologiczny