The savannah woodland habitat features key species of Elephant, giant eland, and buffalo.

Certain key species can effectively run the show.

This warming trend, he says, has been particularly pronounced during the winter-"crunch time" for many key Antarctic species.

Laboratory tests of key species of phumdis have proved its potential to produce biogas.

The hypothesis leads to the conclusion that only a few key species are necessary for a healthy ecosystem.

However, the principal cause of cascade effects is the loss of top predators as the key species.

Microcosm studies can be very useful to study the effects of disturbance or to determine the ecological role of key species.

Each episode focuses on the challenges and opportunities these changes present to a few key species.

If even a few key species are missing, according to this idea, the ecosystem will not function.

Velcourt had said privately that he already was taking actions to preserve certain key species - cattle, pigs, dogs, house cats.