Question

How do mangroove help reduce the impact of cyclones and tsunami?
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Answer 1

Explanation:

Mangroves can be trees, shrubs, ferns and palms that occupy the boundary between the land and the sea. They mainly grow in or adjacent to areas between the high tide and the low tide. They get regularly covered or immersed in water at high tide and exposed to air at low tide.The roots of mangroves are regularly exposed to saline water. At times, they are also exposed to freshwater surface runoffs and flooding. Mangroves get their nutrition from these tidal saline and freshwater resources and coastal soils and silt that get deposited from the The aerial roots of mangrove forests retain sediments and stabilise the soil in the areas between high tide and low tide (intertidal areas) by reducing erosion during storms and floods. The roots, trunk and canopy of the mangroves can dissipate storm surges and waves. Studies show that mangroves can reduce up to 66 percent of wave energy in the first 100 m of forest width. Mangroves can also cope with sea level rise through gradual vertical growth.

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The aerial roots of mangrove forests retain sediments and stabilise the soil in the areas between high tide and low tide (intertidal areas) by reducing erosion during storms and floods. The roots, trunk and canopy of the mangroves can dissipate storm surges and waves. Studies show that mangroves can reduce up to 66 percent of wave energy in the first 100 m of forest width. Mangroves can also cope with sea level rise through gradual vertical growth.

Answer 2

Answer:

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As well as acting as a barrier against tsunamis, cyclones and hurricanes, mangrove forests provide society with a range of other 'ecological services'. These include preventing coastal erosion, protecting coral reefs from silting up, and providing a source of timber, food and traditional medicines.

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Explanation: