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Favourable Environment for Coral Reef Formation

The reefs of cemented & compacted rigid massive structures of numberless skeletons of dead coral animals are called coral reefs.
The Favorite Environment for Coral Reef Formation:

  1. Tropical Water: Coral thrive in tropical water- between 30°N & 30°S latitudes.
  2. Temperature: Coral require temperature between 23°C to 25°C for their growth.
  3. Depth: The ideal depths for coral growth are 45m to 55m below sea surface, where there is abundant sunlight available.
  4. Salinity: The range of salinity within which corals grow is 27‰.
  5. Turbidity: Turbidity inhibits the growth of corals because coral require sediment free water.
  6. Light: The most favorable zone for the development of coral is Photic Zone of upper sea level. Sunray is reached properly this zone.
  7. Clear Water: Corals need clear water that is free from abundant sediments.
  8. Adequate Food Supply: There must be adequate food supply to nourish the abundant life of the coral reef.
  9. Adequate Oxygen Supply: Corals need clear oxygen generated water with sufficient supplies of microscopic life as food.
  10. Base: Corals require firm platform to which they can cement their skeletons.
Fig: Coral reef

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