What name is given to an island of coral that surrounds a lagoon?
Coral island grow into an atoll with a shallow lagoon in the middle. The lagoon can then undergo accretion and create an island completely made of carbonate materials.The process is later enhanced with the remains of plant life which grows on the island. Coral is important for biodiversity and the growth of fish populations, so maintaining coral reefs is important. Coral reefs are threatened by numerous anthropogenic impacts, some of which have already had major effects worldwide. Reefs grow in shallow, warm, nutrient poor waters where they are not out competed by phytoplanktons. By adding fertilizers into the water runoff phytoplankton populations
The Coral Island specifically and in general, in the topography of the island as mapped by the boys and the South Pacific's "eventual subjugation and conversion to Christianity", a topic continued in Stevenson's "Treasure Island". The exploration of the relationship between nature and evangelical Christianity is another typically Victorian theme. Coral connects the two ideas. Literary critic Katharine Anderson explains that coral jewellery, popular in the period, had a "pious significance". The "enchanted garden" of coral the boys discover at the bottom of their island's lagoon is suggestive of "missionary encounters with the societies of the Pacific Island". In Victorian society coral had