Artificial Reefs were first used a few thousand years ago by the Persians, although they were used in times of war, mainly to block harbours.
The Japanese were the first to use them in the context of aquaculture back in the 17th century to grow kelp.
Since the 1970's the construction of artificial reefs has really taken off.
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No. A coral reef is just a reef made out of coral. There are many other kinds of reefs. A coral reef is just one kind. The Great Barrier Reef is a specific coral reef. There are many other coral reefs in the world.
The Great Barrier Reef is a coral reef.
in the coral reef in the coral reef
It does not rain in a coral reef because the wind near the coral reef is dry and has no moisture
A coral reef is an underwater ecosystem characterized by reef-building corals
A coral reef is an underwater ecosystem characterized by reef-building corals
No they are not coral reef animals
A CORAL REEF is built by cnidarians.
There is no smallest coral reef
Yes, a coral reef is a habitat.
A reef is a body of coral, so no. A reef can be made of things other than coral.