Coral Reefs

Coral reefs, along with seagrass beds, mangrove habitats and other tropical marine environments, support the highest marine biodiversity in the world. More than 500 million people worldwide depend on them for food, storm protection, jobs, and recreation. Their resources and services are worth an estimated 375 billion dollars each year, yet they cover less than 1% of the Earth’s surface.

Corals in decline

As the diagram below shows, corals are in severe decline. IUCN Global Marine and Polar Programme is involved in on the ground efforts to help reverse this decline. Go to projects to read more.


The IUCN Red List Index

The IUCN Red List Index

Photo: The IUCN Red List of Threatened Species

The IUCN Red List Index The IUCN Red List Index reveals trends in the overall extinction risk of species. A decreasing value means the expected rate of extinction is increasing (i.e. the rate of biodiversity loss is increasing). This diagram shows the expected rate of extinction for several taxa with corals showing the highest loss in biodiversity.

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Coral reef survey

'Game-changing visual record' of Great Barrier Reef published

IUCN World Parks Congress, Sydney, November 14 2014 - The Catlin Seaview Survey, in which IUCN is a partner, announced today that a complete visual and data record from its expeditions along the Great Barrier Reef is now available to anyone to use through the Catlin Global Reef Record. …  

14 Nov 2014 | News story

13A-069-018 Reef Manta Ray Ventral Shot, Maldives _ Guy Stevens, SOS SAve Our Species, Manta Trust

A good news story unfolds for mantas and sharks

What did it take to get here? And what will it take to go further? asks Isabel Ender, Conservation Strategy Manager with the Manta Trust, an SOS Grantee. …  

11 Sep 2014 | News story

Coral reefs 14, Koh Bon island, Thailand