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www.reference.com/article/great-barrier-reef-1ad0ea88eb8e21fb

The Great Barrier Reef rests in the Coral Sea off the coast of Queensland, Australia. Roughly the size of Germany, Italy, Japan and Malaysia, the expansive reef stretches at least 1,400 miles and contains more than 900 islands.

www.reference.com/article/long-great-barrier-reef-9553d9443ad0792f

The Great Barrier Reef is 1,429 miles long and runs along the coast of northeastern Australia. The Great Barrier Reef Marine Park covers about 132,819 square miles and contains about 3,000 separate coral reefs.

www.reference.com/pets-animals/great-barrier-reef-important-1ec359970c30ed36

The Great Barrier Reef is important for many reasons. It protects coastlines from the damaging effects of tropical storms and waves, assists in carbon and nitrogen fixing, helps with nutrient recycling, and provides a habitat for a variety of marine organisms, according...

www.reference.com/geography/great-barrier-reef-formed-fea7fcde2ef08dba

The Great Barrier Reef formed from a long and slow process involving the accumulation of organic materials, such as stone, plants and animals and shells of dead corals. The Great Barrier Reef started forming approximately 20 million years ago. Dead shells from coral, al...

www.reference.com/science/coral-reefs-endangered-43d1a544f834074f

Coral reefs are endangered due to rising global temperatures, pollution and overfishing. It is estimated that about 1/5 of all coral reefs on the planet have been destroyed. The remaining ones could potentially vanish by 2050.

www.reference.com/article/natural-barrier-7a4775fe9cf265

In geography, a natural barrier is a naturally occurring obstruction that prevents or slows down movement, especially of people and forces of nature at technological levels. Sand dunes, reefs, mountain ranges, ice fields and barrier islands are considered natural barrie...

www.reference.com/article/coral-reefs-important-161423750ff5f0c3

Coral reefs are important to the biodiversity of Earth. According to the U.S. National Oceanic and Atmospheric Administration, coral reefs house more species than any other marine habitat, making them the equivalent of an underwater rain forest. The life there provides ...