Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Shark Bay, Western Australia' has mentioned 'World' in the following places:
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Shark Bayxe2x80x99s waters, islands and peninsulas....have a number of exceptional natural features, including one of the largest and most diverse seagrass beds in the world.
It is home to about 10,000 dugongs (xe2x80x98sea cowsxe2x80x99), around 12.5% of the world's population,[8] and there are many Indo-Pacific bottlenose dolphins, particularly at Monkey Mia.
The largest fish in the world, the whale shark, gathers in the bay during the April and May full moons.
[9] It includes the 1,030xc2xa0km2 (400xc2xa0sqxc2xa0mi)[10] Wooramel Seagrass Bank, the largest seagrass bank in the world.
Hamelin Pool contains the most diverse and abundant examples of living stromatolite forms in the world.
On the Indian Ocean coast at the most westerly point of Australia, Shark Bayxe2x80x99s waters, islands and peninsulas covering a large area of some 2.2 million hectares (of which about 70% are marine waters) have a number of exceptional natural features, including one of the largest and most diverse seagrass beds in the world.
Shark Bay isalso one of the few marine areas in the world dominated by carbonates not associated with reef-building corals.
This has led to the development of the Wooramel Seagrass Bank within Shark Bay, one of the largest seagrass meadows in the world with the most seagrass species recorded from one area.
Criterion (viii): Shark Bay contains, in the hypersaline Hamelin Pool, the most diverse and abundant examples of stromatolites (hard, dome-shaped structures formed by microbial mats) in the world.
As such, they are one of the worldxe2x80x99s best examples of a living analogue for the study of the nature and evolution of the earthxe2x80x99s biosphere up until the early Cambrian.
Covering 103,000 ha, it is the largest structure of its type in the world.
Seagrasses are aquatic flowering plants that form meadows in near-shore brackish or marine waters in temperate and tropical regions, producing one of the worldxe2x80x99s most productive aquatic ecosystems.
Shark Bay is one of the worldxe2x80x99s most significant and secure strongholds for the protection of Dugong, with a population of around 11,000.