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The Great Barrier Reef.

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Introduction

The Great Barrier Reef. The Great Barrier Reef is a long chain of Coral Reef in the middle of the Coral Sea of the Coast of Northern Australia. It is the largest deposit of Coral in the world and extends from about 2,010 Km from point MacKay Queens land to the Torres Strait, between Australia and New Guinea. A shallow lagoon or channel separates the reef from the Australian Coast. The Channel varies in width from 16 Km at its narrowest to 240Km. The reef protects the Channel form Harsh winds and waves from the Coral Sea therefore making the waters calm. Island and ringlets are scattered across the Choral Reeef. These are often referred to as Atolls or Cays, which range in size up to 300000 square Kilometeres. ...read more.

Middle

Each polyp is a tiny jelly-like blob crowned by tentacles, and looks not unlike an anemone, but much smaller. Each polyp lives inside a shell of aragonite, a type of calcium carbonate, which is the hard shell we recognise as coral. The polyps join together to create forests of coloured coral in interesting fan, antler, and brain and plate shapes. There are many different types of coral, some are slow growing and live to be hundreds of years old, others are faster growing. Algae create the colours of coral. Only live coral is coloured. Dead coral is white. A major threat towards the reef is herds of starfish (Crown of Thorns), which feed on the Coral and eventually destroy parts of the Coral entirely. The Australian government have made large attempts to limit destruction. ...read more.

Conclusion

Not mentioning all the fuel, anchors being dropped sun tan lotion and other forms of pollution being spilled in to the sea. But, more than 2 million people visit the reef each year generating more than $AU1 billion in tourism dollars, making tourism a major earner for the northeastern Australian economy. The Great Barrier Reef is one of the natural wonders of the world and is listed as a world heritage site and a first class holiday destination. The combination of glorious weather unpolluted rainforest, white sandy beaches, and an ocean varying in colour from blue to turquoise to green, ensures it's where the world wants to go to lie on the beach, swim, surf, snorkel, sail, bush walk and bird watch, there fore all efforts are being made to ensure that this advantage we have will last forever. ...read more.

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