Coral Reef

Barrier Reef

Atoll Reef

Fringing Reef

1. How is each reef structure formed?

· Fringing reefs are closest to shore, sometimes touching the shore.

· Barrier reef form when land masses sink, and fringing reefs become separated from shorelines by wide channels.

· Atoll reef- An atoll can also be formed when a volcanoes completely blows up and is no longer visible.

2. Where is each reef structure found?

• Fringing reefs border shorelines of continents and islands in tropical seas. (when no body of water is in between/separating the land and the reef)Fringing reefs are commonly found in the South Pacific Hawaiian Islands, and parts of the Caribbean.
• Barrier reefs are common in the Caribbean and Indo-Pacific and which occurs farther out or offshore. Here, the reef and island is separated by a body of water a lagoon.
• Atolls are commonly occurring or found in the Indo- Pacific. And they are mostly found as circular