March 9 , 2020
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- The Great Barrier Reef will face a critical period of heat stress over the coming weeks.
- The Great Barrier Reef Marine Park is the world's largest coral reef system
- It is roughly the size of Italy.
- The reef is located in the Coral Sea, off the coast of Queensland, Australia.
- The Great Barrier Reef can be seen from outer space and is the world's biggest single structure made by living organisms.
- It was selected as a World Heritage Site in 1981.
- Coral reefs are important hotspots of biodiversity in the ocean.
- Coral reef bleaching is caused by heat stress from ocean temperatures and the duration of that heat.
- What is often called bleaching of corals is actually the loss of the algae that live on the coral.
- Coral grows in tropical water temperatures – generally in the 70s to 80 degrees Fahrenheit.
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