What are the causes of coral reefs destruction?

Answer 1

The causes of the destruction of coral reefs are:

Sedimentation _construction along coast, logging and farming along coastal river can all lead to erosion. As a result, particles end up in the ocean and cover coral reefs. This deprives the corals of the light it needs to survive.

Tourism_ construction of hotels, collection of coral souvenirs from the reef and the activities of snorkellors, divers and boats all have a negative impact. If sand is kicked up, corals may eventually die due to suffocation.

Sewage pollution-sewage run-off from hotels cause serious damage to coral reefs because it stimulates the growth algae. Algae use up the oxygen in the water and block up the sunlight which corals need to grow and survive.

Blast fishing-the practice of using explosives to kill schools of fish for easy collection. The explosives often destroy the underline habitats such as coral reefs.

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Answer 2

Rising levels of carbon dioxide in the atmosphere result in increased amounts of carbon dioxide dissolving in the ocean where it becomes carbonic acid, lowering the pH level of the ocean and thereby increasing the solubility of calcium carbonate, the compound which is the main structural material used for building coral reefs. So the reefs are harder to build.

Answer 3

The causes of coral reefs destruction are the Destructive fishing,Poison fishing and Explosive fishing