The Great Barrier Reef is an immense and vibrant ecosystem off Australia’s northeast coast, hosting thousands of marine species and spanning an area larger than Italy. As a UNESCO World Heritage Site and natural wonder, it remains critical to both wildlife and human communities.
Great Barrier Reef
The Great Barrier Reef is the world’s largest coral reef system. It stretches over 2,300 kilometers along the northeast coast of Australia.
It comprises around 2,900 individual reefs and approximately 900 islands, ranging from continental islands to coral cays.
The reef covers an area of about 348,700 square kilometers, roughly the size of Italy or the combined size of the UK, Holland, and Switzerland.
The Great Barrier Reef is the largest living structure on Earth and is visible from outer space.
In addition, the reef plays host to over 1,500 species of fish, 400 types of coral, 200 species of birds, and 20 species of reptiles.
It supports six of the world’s seven species of marine turtles and is home to numerous species of whales, dolphins, sharks, and rays.
The Great Barrier Reef generates over 6 billion Australian dollars annually. It supports more than 60,000 jobs, making it vital to Australia’s economy.
The water depth near the reef averages 35 meters near shore but can extend to over 2,000 meters on the outer edges.
The reef is a UNESCO World Heritage Site and considered one of the seven natural wonders of the world.
It is home to diverse ecosystems including coral reefs, seagrass beds, mangroves, and sponge gardens.
The reef faces threats from climate change, coral bleaching, crown-of-thorns starfish outbreaks, and water pollution.
Scientists actively monitor and conduct research to protect and preserve the reef through long-term programs.
It is a popular destination for snorkeling, scuba diving, and eco-tourism, attracting millions of visitors each year.
It has deep cultural significance for Aboriginal Australians and Torres Strait Islanders as part of their heritage and spirituality.
Conservation efforts continue to focus on managing tourism, reducing pollution, and combating the effects of climate change to sustain this natural wonder.