Long-term assessment of an innovative mangrove rehabilitation project: Case study on Carey Island, Malaysia

Shervin Motamedi, Roslan Hashim, Rozainah Zakaria, Song Ki-IL, Bakrin Sofawi

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Wave energy and storm surges threaten coastal ecology and nearshore infrastructures. Although coastal structures are conventionally constructed to dampen the wave energy, they introduce tremendous damage to the ecology of the coast. To minimize environmental impact, ecofriendly coastal protection schemes should be introduced. In this paper, we discuss an example of an innovative mangrove rehabilitation attempt to restore the endangered mangroves on Carey Island, Malaysia. A submerged detached breakwater system was constructed to dampen the energy of wave and trap the sediments behind the structure. Further, a large number of mangrove seedlings were planted using different techniques. Further, we assess the possibility of success for a future mangrove rehabilitation project at the site in the context of sedimentology, bathymetry, and hydrogeochemistry. The assessment showed an increase in the amount of silt and clay, and the seabed was noticeably elevated. The nutrient concentration, the pH value,
and the salinity index demonstrate that the site is conducive in establishing mangrove seedlings. As a result, we conclude that the site is now ready for attempts to rehabilitate the lost mangrove forest.
Original languageEnglish
Number of pages12
JournalThe Scientific World Journal
Volume2014
DOIs
Publication statusPublished - 3 Jul 2014
Externally publishedYes

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