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International Journal of Ecology
Volume 2012, Article ID 171876, 11 pages
Research Article

Mangrove Rehabilitation on Highly Eroded Coastal Shorelines at Samut Sakhon, Thailand

1Department of Environment, Kanso Technos Co., Ltd., Osaka 541-0052, Japan
2Fishery Department, Trang Coastal Aquaculture Station, Trang 92150, Thailand
3Power Engineering R&D Center, The Kansai Electric Power Co., Inc., Kyoto 609-0237, Japan

Received 8 July 2011; Revised 20 September 2011; Accepted 20 October 2011

Academic Editor: L. M. Chu

Copyright © 2012 Matsui Naohiro et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The study site is currently retreating at a rate of 20 m y−1 due to severe coastal erosion and found to be highly polluted as revealed from the water, sediment and biological analysis. In an attempt to prevent coastal erosion, 14,000 Rhizophora mucronata (RM) trees were planted across a heavily eroded shoreline at Samut Sakhon, Thailand. The survival rate of RM was high at the landward area and decreased at the offshore area. The most landward plot showed the highest survival rate when measured 4 years after planting (63.5%), while only 26.7% of trees survived at the most offshore plot. NPK and coconut fiber were shown to be significantly effective to enhance initial tree growths in heavily eroded area.