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  2. The Great Barrier Reef is the world's largest coral reef system, [1] [2] composed of over 2,900 individual reefs [3] and 900 islands stretching for over 2,300 kilometres (1,400 mi) over an area of approximately 344,400 square kilometres (133,000 sq mi). [4] [5] The reef is located in the Coral Sea, off the coast of Queensland, Australia ...

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    The Reef Research Centre has found the remains of coral that are half a million years old.Corals have been growing in the region for as long as 25 million years. The corals have not always formed coral reefs. It is difficult to work out the age of the Great Barrier Reef. This is because of the way a reef can grow and shrink as the sea level changes...

    The Great Barrier Reef has 1,500 species of fish, and many other animals, algae, and corals. This includes many vulnerable or endangered species. Some of these exist only on this reef system.

    A new report, the Reef Outlook Report, says that climate change will cause huge damage to the reef. The report was written by the Great Barrier Reef Marine Park Authority. Warmer and more acidic water around the coral reef will slow down calcification, which is how the coral grows and becomes strong. The corals will become bleached (lose their colo...

    The Reef Outlook Report also warned of other dangers to the reef. These included poor quality water running into the sea from the mainland. This water is polluted with farm insecticides and rubbish from nearby towns. The increasing amount of development on the coast is destroying natural marine and coastal habitats. There is also some damage from f...

    Bell, Peter (1998). AIMS: The First Twenty-five Years. Townsville: Australian Institute of Marine Science. ISBN 978-0-642-32212-8.
    Bowen, James; Bowen, Margarita (2002). The Great Barrier Reef : history, science, heritage. Cambridge : Cambridge University Press. ISBN 0-521-82430-3.
  3. Located off the coast of Queensland, the Great Barrier Reef is one of the world's seven natural wonders and a prized UNESCO World Heritage Area. Sadly, the Great Barrier Reef is under pressure. Climate change, rising temperatures and human interference threaten its survival.

  4. The Great Barrier Reef is the world's largest coral reef system, composed of over 2,900 individual reefs and 900 islands stretching for over 2,300 kilometres (1,400 mi) over an area of approximately 344,400 square kilometres (133,000 sq mi).

  5. 1 day ago · Spanning over 2,300km (1,430mi) down Australias eastern coastline, The Great Barrier Reef offers an abundance of coastal experiences unlike anywhere else in the world. Swim amongst the stunning coral formations, giant clams, rare species of whales, and six of the world's seven marine turtle species.

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