It may have been at the top of the food chain in its local ecosystem.

Great care was taken to not destroy the local ecosystem while building the road.

On the other hand, it has negative effects on the local ecosystem.

However, these areas are extremely important to the local ecosystem.

Investigations of the local ecosystems may increase assessments for nature conservation.

As population growth continues to increase, increasing pressure is being placed on the local ecosystem to provide these basic essentials.

This has caused a partial collapse of the local ecosystem.

This park offers to the visitors the possibility to know about the local ecosystems, plants and wildlife.

Part of the operation's earnings go toward studying the local ecosystems.

The area is important for conservation of local ecosystems.