state the location of coral reef in india.why is coral reef subjected to continious destruction?
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Answer:
In India, major coral reef ecosystems are seen in Gulf of Mannar, Gulf of Kachchh, Andaman & Nicobar, and Lakshadweep Islands, which embrace all the three major reef types (atoll, fringing, and barrier) and include diverse and extensive reef areas of the Indian Ocean.
The most important causes for coral reef degradation are coastal development and excessive exploitation of its resources. Migration towards coasts led to strong development on land, which often lead to destruction of important coastal ecosystems like mangroves and sea grass beds. Uncontrolled building and development on the coast, e.g. hotels, factories and desalination plants, have led to an increased erosion on land and subsequent sedimentation in the surrounding waters. Increased sediments in the water cause a decrease in the amount of light that penetrates the water column. Enough light is crucial for the survival of corals and algae. Untreated discharge water and agricultural run-off (containing a.o. pesticides, herbicides and fertilizers) place a great burden on the nutrient cycles in coastal zones, which can lead to eutrophication (over-fertilization), algal blooms and depletion of oxygen.
Explanation:
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