It is a highly sensitive ecosystem due to the use of the area by many migratory birds as a breeding and nesting ground.

As a whole, the complex of lakes represents a very sensitive and labile ecosystem.

Coral rag forest, a sensitive ecosystem, is under threat due to timber extraction, since 1970s.

Scientists and environmental researchers contend that the highway would do irreparable harm to a sensitive ecosystem.

We need to be aware, however, that the school environment is a delicate ecosystem, highly sensitive to political whim.

Padre Island suffered significant devastation, and the island's sensitive ecosystem was altered by the storm.

A two-story 3,725-square-foot house is built in the middle of one of the world's most sensitive ecosystems.

But a combination of natural and man-made sulphur results in overload for sensitive ecosystems.

Extensive tourism places an inordinate amount of pressure on sensitive Alpine ecosystems.

The Alpine region has a sensitive ecosystem that is being put under considerable pressure by the ever increasing levels of traffic.