Pseudo-atoll Pseudo-atoll A pseudo-atoll, like an atoll, is an island that encircles a lagoon, either partially or completely. A pseudo-atoll differs from an atoll as established by several authorities, such as how it is formed (not by subsidence, nor by coral). It is considered a preferable term to "near-atoll". There is a need for rigorous definition of "pseudo-atoll" before it can be accepted as a general term. Alexander Agassiz gave the term pseudo-atoll to "any ring-shaped reefs not formed as a result of subsidence". while Norman D. Newell and J. Keith Rigby called such reefs non-coral. and "We conclude that almost-atoll
Dhaalu Atoll Dhaalu Atoll Dhaalu' Atoll (also known as Southern Nilandhe Atoll or Nilandhe Atholhu Dhekunuburi) is one of the atolls of the Maldives. It corresponds to the natural atoll of the same name. It stretches 23km (14 mi) from east to west, and 38km (24 mi) north to south. Out of a total of 56 islands, seven of the islands are inhabited, with a total population of around 6694. The capital island is Kudahuvadhoo, located at the atoll's southern tip. Hulhudheli and Rinbudhoo (Rimbudu) islands, located to the west of this atoll, are islands traditionally renowned for the skill of their