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Coral reef - Wikipedia

Biodiversity of a coral reef. ... A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs ...

Coral Reef Alliance | Saving the World’s Coral Reefs

The Coral Reef Alliance (CORAL) is an environmental NGO that is on a mission to save the world’s coral reefs. We work collaboratively with communities to reduce direct threats to reefs in ways that provide ...

Coral Reef - Oceana

The coral reef is made of the calcium carbonate skeletons of corals – small immobile animals closely related to jellyfish.

Nghĩa của từ Coral reef - Từ điển Anh - Việt - tratu.soha.vn

Soha tra từ - Hệ thống tra cứu từ điển chuyên ngành Anh - Việt. ... coral reef limestone đá vôi rặng san hô.

Coral reef ecosystems | National Oceanic and Atmospheric Administration

Data in the Classroom: Coral bleaching. ... A reef of your own (HS)

CORAL REEF | Định nghĩa trong Từ điển tiếng Anh Cambridge

An area of coral, the top of which can sometimes be seen just above the sea ...

coral reef | Description, Geochemistry, Origins, & Threats | Britannica

Coral reef, ridge or hummock formed in shallow ocean areas by algae and the calcareous skeletons of coral polyps and other coelenterates. A coral reef may grow into a permanent coral island. Often called ...

What Are Coral Reefs? | Live Science - livescience.com

Coral reefs are large underwater structures composed of the skeletons of coral, which are marine invertebrate animals.

Coral Reef Biodiversity | Coral Reef Alliance

Coral reefs are believed by many to have the highest biodiversity of any ecosystem on the planet—even more than a tropical rainforest.

Home - Global Coral Reef Alliance

The Global Coral Reef Alliance is a small, 501(c)(3) non-profit organization dedicated to scientific research and sustainable management of the most valuable and threatened of all ecosystems—coral reefs.