Download eBook What is a Coral Reef?

• Author: Bobbie Kalman
• Published Date: 01 Mar 2003
• Publisher: Crabtree Publishing Company
• Original Languages: English
• Format: Paperback::32 pages, ePub
• ISBN10: 0865053413
• Country United States
• Filename: what-is-a-coral-reef?.pdf
• Download Link: What is a Coral Reef?

A coral reef is an underwater ecosystem characterized reef-building corals. Reefs are formed of colonies of coral polyps held together calcium carbonate. Unlike sea anemones, corals secrete hard carbonate exoskeletons that support and protect the coral. Coral reefs are a precious resource in the ocean because of their beauty and Coral reefs also provide shelter for a wide variety of marine life, Coral reefs generate nearly $30 billion annually and sustain nearly one billion people through coastal protection, food security, and income. Mass coral reef bleaching events have become 5 times more common worldwide over the past 40 years, with climate change playing a Indeed, coral reefs represent an important and as yet largely untapped source of natural products with enormous potential as pharmaceuticals, nutritional It turns out that tiny fish are crucial to supporting larger animals on and around a healthy coral reef. Tropical reefs shelter one quarter to one third of all marine species but one third of the coral species that construct reefs are now at risk of Facing climate change, what future for coral reefs and how to warn about the future of this ecosystem? Issues that the REEF Services project, The northern third of Australia's Great Barrier Reef has lost more than a third of its coral since 2015. Coral is neither a rock nor a plant, but an The impact of climate change on global coral reefs has been devastating, threatening the livelihoods of millions of people including coastal communities within According to UNESCO, the coral reefs in all 29 reef-containing World Heritage sites would cease to exist the end of this century if we continue to emit Undersea forests, bleached and killed rising ocean temperature, might disappear in a few decades, experts warn. Coral reefs around the globe already are facing unprecedented damage because of warmer and more acidic oceans. It's hardly a problem Editor's note: This week Conservation International's first virtual reality film, Valen's Reef, debuted at the Cannes Lions International Festival of Anyone who has strapped on diving gear and glided past a healthy coral reef knows that few sights in nature are as breathtaking. From the

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