with mangroves is about two times larger than area without mangroves. In area protected by mangroves, the
during mangrove replanting project. A mangroves width of 80 m with density of 0.11 trees/m is sufficient to
reduce wave height by 80 %. During normal day, the mangrove forest reduces the impact of waves on shore
impact of waves.
Acknowledgements
conduct this research.
6.Conclusion
The mangrove forests are proven to be effective in surface wave attenuation. The wave reduction for area
wave impact on shore is minimal. This is particularly important to mitigate erosion problem as high waves
could wash away the soil, causing retreat of the coastline. The arrangement of the mangrove trees did not
exhibit significant effect on wave reduction with difference of less than 10 %. In fact, both arrangements
generated high wave reduction. This indicates that arrangement of mangrove seedlings is not of great concern
and it is the most natural and cheapest way for coastal protection. Thus, the mangroves re-planting effort
along the coast should be continued, perhaps in a more structured way, in the areas that are vulnerable to the
The authors would like to thank Universiti Teknologi PETRONAS for providing the facility and funding to
6.
Conclusion
The mangrove forests are proven to be effective in
surface wave attenuation. The wave reduction for area
with mangroves is about two times larger than area without mangroves. In area protected by mangroves, the
wave impact on shore is minimal. This is particularly
important to mitigate erosion problem as high waves
could wash away the soil, causing retreat of the coas
tline. The arrangement of the mangrove trees did not
exhibit significant effect on wave reduction with diffe
rence of less than 10 %. In fact, both arrangements
generated high wave reduction. This
indicates that arrangement of mangrove
seedlings is not of great concern
during mangrove replanting project. A mangroves width of 80 m with density of 0.11 trees/m is sufficient to
reduce wave height by 80 %. During normal day, the mangrove forest reduces the impact of waves on shore
and it is the most natural and cheapest way for coas
tal protection. Thus, the mangroves re-planting effort
along the coast should be continued, perhaps in a more
structured way, in the areas that are vulnerable to the
impact of waves.
Acknowledgements
The authors would like to thank Universiti Teknologi
PETRONAS for providing the facility and funding to
conduct this research.