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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).
19. Okt. 2023 · Learn about the biodiversity, threats, and conservation of the Great Barrier Reef, a coral reef off the coast of Australia. The article includes background info, vocabulary, and activities for grades 5-8.
- Geology
- Ecology
- Climate Change
- Other Dangers
- Further Reading
- Other Websites
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.The Great Barrier Reef is a site of remarkable variety and beauty on the north-east coast of Australia. It contains the world’s largest collection of coral reefs, with 400 types of coral, 1,500 species of fish and 4,000 types of mollusc. It also holds great scientific interest as the habitat of species such as the dugong (‘sea cow’) and ...
21. Mai 2024 · Great Barrier Reef, world’s largest coral reef complex, located in the Pacific Ocean off northeastern Australia. It extends for more than 1,250 miles (2,000 km) in a northwest-southeast direction, and its width ranges from 37 to 155 miles (60 to 250 km).
- The Editors of Encyclopaedia Britannica
The Great Barrier Reef is the world’s largest coral reef system and is composed of over 2,900 individual reefs. Area: 348,700 km² (133,000 sq miles) or 34,870,000 ha Width: The reef ranges between 60 and 250 kilometres in width
Learn about the Great Barrier Reef, one of the seven wonders of the natural world and a World Heritage Site. Discover its location, size, diversity, wildlife, and attractions for tourists.
