A key part is keeping people in contact with natural vegetation.

This has affected in some or other way on the natural vegetation of the hill.

Much of it is covered with crops and natural vegetation.

By 1813 he took great interest in the flora and natural vegetation of India.

They are protected by an extensive cover of natural vegetation.

In general, the area has been lightly disturbed, and much natural vegetation remains.

Food can be extremely difficult to find, and much of the natural vegetation is poisonous.

Over a large part of the region, however, natural vegetation has yielded to agriculture.

In front of her were the burnt fields and the dry, brown natural vegetation beyond them.

Despite its small size, Cyprus has a variety of natural vegetation.