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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