A natural buffer with local limits

Mangrove roots, trunks and canopy interact with moving water and can reduce the energy of waves as they pass through vegetation. This buffering is influenced by forest width, tree height and density, the shape of the nearby coast and seabed, and the characteristics of incoming waves. It should not be treated as a guarantee against every storm or coastal hazard.

Coastal ecosystems also work together. Mangroves, seagrass beds and coral reefs can each influence water movement and habitat, and their combined presence can support coastal resilience. Protecting connected ecosystems and addressing local erosion or flooding risks are therefore part of a broader coastal management approach.

Further reading: FAO: Mangrove ecosystem restoration and management · NOAA repository: The Power of Three