It has been heavily exploited, but much natural diversity remains.

Those with high potential cover about twenty six percent of the country and are already heavily exploited.

In the 18th and 19th century, the mountain's many streams were heavily exploited as an energy source for various mills.

The fact is that Burma's mineral resources are already heavily exploited, just not by western companies.

The Fraser is heavily exploited by human activities, especially in its lower reaches.

A third category, including 16 species, is considered badly threatened or heavily exploited.

Many members of these families are heavily exploited as food and sport fishes.

Later, commercial hunting was developed and marine mammals were heavily exploited.

Another problem is that these platforms have been heavily exploited.

But the daytime economy is already heavily exploited by other creatures such as birds.