This national park was established in 1996 to protect the delicate ecosystems of the islands.

These polluting activities were put on top of a delicate ecosystem.

But aspects of this delicate ecosystem could change as passengers demand online booking.

The park has experienced some challenges that threaten the health of its delicate local ecosystems.

Despite its powerfully rugged appearance, the desert is a delicate and fragile ecosystem.

But in both areas scalloping has profoundly damaged the ocean's delicate ecosystem.

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

Although there have been some changes, we need the Federal, state and local governments to take action to protect public health and our delicate ecosystems.

This is one of Kerala's unique and delicate ecosystems forever.

"But I also think that we ought to reject those who do not recognize their obligation to protect our delicate ecosystem," he said.