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Coral reefs can take four forms; fringing reef, platform reefs, barrier reefs and atolls. Fringing reefs are narrow and shallow, and generally occur near the shore, they literally are a thin 'fringe' along the coast. Platform reefs are reef outcroppings far from shore that occur in calm water. They often have a shallow lagoon, and are flat on top. Barrier reefs are reefs growing along a coastline that are separated from the coastline by a lagoon. Barrier reefs are very similar to fringings except that they are much larger. Atolls are ring reefs that usually form at the base of a volcano. Over time the volcano dissapears, leaving a rin of reef surrounded by deep ocean.
Here are some of the names of some types of corals purple squirter, fringing reefs, barrier reefs, atoll reefs. If you like coral reefs, check out our website destructionofcoralreefs.weebly.com What is happening to our corals? Find out!
Fringing Reef
fringing reefs, barrier reefs, and atolls
fringing reefs
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fringing, coral, and barrel
The atoll in the Pacific Ocean is home to a diverse array of marine life and coral reefs.
coral reefs barrier reefs fringing reedfs atolls
A circular coral island that encloses a lagoon is called an atoll. Atolls are typically formed from coral reefs that grow around the rim of a submerged volcanic island.
fringing reefs
Atoll reefs form lagoons.