Coral disease prevalence in Samui Island and the adjacent islands, southern part of the Gulf of Thailand

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Research Paper 01/10/2014
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Coral disease prevalence in Samui Island and the adjacent islands, southern part of the Gulf of Thailand

Sirusa Kritsanapuntu, Pongsa Angkhananukroh
J. Bio. Env. Sci.5( 4), 158-165, October 2014.
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Preliminary surveys for coral disease were conducted in April 2012 at shallow water reefs of Samui Island (Bang Po Bay and Thong Krud Bay) and four adjacent islands (Katen Island, Jatamoon Island, Mud Sum Island and Hin La Lek rock patch). Results showed that a total of 6 coral diseases were found consisting of White Plague (WP), Pink Line Syndrome (PLS), Porites White Patch Syndrome (WPS), Porites Trematodiasis (PTR), White Syndrome (WS) and Pacific Yellow Band Disease (YBD). Porites lutea was the dominant species for all study sites and it contained the highest disease infection by Pink Line Syndrome (PLS) for all study areas. P. lutea in shallow water reef of Samui Island group, (Baan Bang Po Bay and Thong krud Bay), Hin La Lek, and Katen Island had higher disease prevalence (14.70 – 17.16%) than those of Mud Sum Island and Jetamun Island (6.20 – 9.40%). The most significant syndrome detected was Pink Line Syndrome, which affected 6 different coral genera. The reefs at Samui Island (Baan Bang Po Bay and Thong Krrud Bay), Hin La Lek, and Katen Island had higher prevalence of Pink Line Syndrome (12.86 – 14.24%) than those of Mud Sum Island and Jetamun Island (6.20 – 8.67%). This study provides preliminary baseline data on the impact of coral disease within the shallow water reefs of Samui Island and the adjacent islands.


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