Shark Bay

Shark Bay is a large bay on the west coast of Western Australia. It is about north of Perth. In 1991, the bay, its islands, and the land around it were added to UNESCO's list of World Heritage Sites. 
Shark Bay has three important features to protect. It has the largest seagrass beds in the world. These are home to about 10% of the world's dugongs. And at one end of the bay are stromatolites, which are the oldest form of life on the Earth. The protected area covers .
World Heritage Site.
The area protected by the World Heritage Site is made up of different areas. About 70% of the site is marine environment protected by national parks and reserves, and includes of coastline. About 20% was used for farming, but half of this area has been taken over by the government and is now conservation area. About 6% is in national parks and reserves.