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The green sea turtles on the Great Barrier Reef have two genetically distinct populations, one in the northern part of the reef and the other in the southern part. [50] Fifteen species of seagrass in beds attract the dugongs and turtles, [46] and provide fish habitat. [30]: 133 The most common genera of seagrasses are Halophila and Halodule. [51]
The sea received its name because of its numerous coral formations. They include the Great Barrier Reef, which extends about 2,000 km (1,200 mi) along the northeast coast of Australia and includes approximately 2,900 individual reefs [11] and 1000 islands. [12] The Chesterfield Islands and Lihou Reef are the largest atolls of the Coral Sea.
The approximately 20,000-year-old Great Barrier Reef offers an example of how coral reefs formed on continental shelves. Sea level was then 120 m (390 ft) lower than in the 21st century. [25] [26] As sea level rose, the water and the corals encroached on what had been hills of the Australian coastal plain.
The iconic Great Barrier Reef is hiding something massive.
The islands, cays and reefs of the Great Barrier Reef are not part of the territory, belonging to Queensland instead. The outer edge of the Great Barrier Reef is the boundary between Queensland and the Coral Sea Islands Territory. The territory is a possession or external territory of Australia, administered from Canberra.
During that time, between 2016 and 2024, the Great Barrier Reef, the world’s largest coral reef ecosystem and one of the most biodiverse, suffered mass coral bleaching events.
Great Barrier Reef, in the Coral Sea off the coast of Queensland in north-east Australia; Gilf Kebir, Arabic for "the Great Barrier," a plateau in the New Valley Governorate of the remote southwest corner of Egypt; Great Ice Barrier, a later 19th–early 20th century name for the Ross Ice Shelf, Antarctica
The North Sea — a body of water located between Great ritain, Denmark, the Netherlands, Norway, Germany, Belgium and France — is frequently used as a shipping and fishing route, and is ...