Human Impact

The Great Barrier Reef

What is the Great Barrier Reef?

The Great Barrier Reef, one of the world's most natural breath-taking wonders of the world, is home to over 1,500 species of fish and various reefs. It is known as the world's largest coral reef eco-system, stretching over 2,600 km. The Great Barrier Reef is located in the Coral Sea, off the north-eastern coast of Queensland, Australia. The marine park is 345,000 km² in size, about half the size of Texas!
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3 Main Threats To The Reef

Global Warming
Global warming is perhaps the most harmful threat to the reef and has had a big impact. Global warming causes melting polar ice caps which results in rising sea temperatures and can disrupt the life cycle of marine plants and species. It also means that when sea temperatures rise, it can also put stress on the corals.

Water Pollution

Pollution has made such a significant impact on our coral reef ecosystems and is becoming a big problem. It has caused so much damage to our fragile coral reefs and has affected the health of the reef ecosystem.


Over-fishing has had negative impacts on the Great Barrier Reef and is also becoming a problem for many coral reefs around the world. The corals needs a specific amount of nutrients that only the fish can give which will help the reef be kept in good condition.