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Coral reef

A coral reef is a type of biotic reef that develops in tropical waters by the growth of coralline algae, hermatypic corals, and other marine organisms.

Coral reefs are typically massive biogenic formations of calcium carbonate (limestone) that is deposited within or around the bodies of the inhabitants of the reef as skeletal material.

This material gradually accumulates as debris and/or is knitted together by the continued growth of the attached forms living on the reef.

Note: This article excerpts material from the Wikipedia article "Coral reef", which is released under the GNU Free Documentation License.

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last updated on 2014-10-24 at 8:48 am EDT

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Reuters (Dec. 8, 2013) Faced with an alarming loss of coral on Australia's Great Barrier Reef, scientists in Queensland are building a coral sperm bank to protect as many species as possible against extinction. A 2012 study estimates the reef has lost more than half of its coral cover since 1985, and the researchers fear that if the trend is not reversed, the sperm bank may be the Reef's last hope. Sharon Reich reports.
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Red Sea Coral Reefs Uniquely Resilient, Say Israeli Researchers

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Reuters (Nov. 11, 2013) Israeli ecologists are calling for the coral reefs of Eilat to be declared a World Heritage site because of their unique ability to resist bleaching, which is killing coral reefs elsewhere in the world. The researchers say protecting them to create a global coral refuge should be an environmental priority. Jim Drury reports.
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Center of the Center

Center of the Center

National Geographic (Apr. 9, 2012) Stretching from Indonesia to Malaysia to the Philippines, the Coral Triangle covers less than one percent of the world’s ocean surface yet it contains more sea creatures than anywhere else on the planet. A team of researchers travels to the epicenter of the Coral Triangle to launch a five-year genetic study to determine where such great biodiversity came from and how it’s connected to all other marine life on Earth. One theory suggests that the Coral Triangle is so diverse because it is the origin of all life found in our oceans.
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Great Barrier Reef Coral Shrunk by Half, Study Finds

Great Barrier Reef Coral Shrunk by Half, Study Finds

Newsy (Oct. 2, 2012) Australian scientists found more than half of the coral cover at the reef has disappeared, thanks to climate change and coral-eating starfish.
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