Importance of Coral Reefs in Coastal Areas

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18 Questions

What is the approximate annual fish and fishery products yield from one hectare of a healthy mangrove ecosystem?

1.08 tons

Which of the following is NOT listed as a benefit of beaches in the text?

Source of nesting sites for turtles

What ecological benefit is associated with beaches as per the text?

Source of prey (clam, worms, etc.) for birds and fishes

How much litterfall can one hectare of mangrove trees produce annually?

3.6 tons

Which ecosystem provides a source of food for detritus feeders and prey for birds and fishes according to the text?

Sandy beach ecosystem

What type of protection is NOT associated with mangrove ecosystems?

Protection from drought

What is NOT mentioned as a benefit of mangrove trees in the text?

Alcohol production

What is a direct economic benefit associated with sandy beaches, as mentioned in the text?

The source of sand for construction material

One hectare of mangrove trees produces up to 4.6 tons of litterfall annually.

False

Beaches do not serve as meeting places for turtles according to the text.

False

Mangrove ecosystems do not provide habitat for polychaete worms and crustaceans.

False

Healthy mangrove ecosystems produce less than 1 ton of fish and fishery products annually per hectare.

False

Mangrove trees do not provide any commercial value according to the text.

False

Shore protection is not listed as a benefit of mangrove ecosystems in the text.

False

One hectare of a healthy mangrove ecosystem produces more than 1 ton of fish and fishery products annually.

True

Honey production is not mentioned as a benefit associated with mangrove ecosystems in the text.

False

Education is not listed as one of the benefits of sandy beaches in the text.

False

Recreation/tourism is not an economic benefit mentioned in relation to sandy beaches in the text.

False

Explore the benefits of coral reefs in coastal ecosystems, such as being a storehouse of biodiversity, preventing coastal erosion, and providing valuable resources for settlement and recreation.

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