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Coral disease prevalence in the Palk Bay, Southeastern India – with special emphasis to black band

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Title Coral disease prevalence in the Palk Bay, Southeastern India – with special emphasis to black band
 
Creator Thinesh, T
Mathews, G
Edward, J K Patterson
 
Subject Palk Bay
Coral disease
Pollution
Temperature
 
Description 813-820
Present study consists the details related
to the nature of coral disease in nine locations from Vethalai to Rameswaram north in the Palk Bay. Among the overall corals 21%
were affected by disease. Six disease types were documented. Black Band Disease
(BBD) is high with 9.8% followed by white band (5.5%), white spot (2.2%), pink
spot (1.9%), white plague (1.1%) and yellow band (0.6%). Eight coral genera
were found to be affected wherein Acropora
and Porites showed severe damage and
the high prevalence of diseases. The coral genus, Porites was found to be affected by four different types of
diseases. BBD affected colonies were tagged and photographed
at regular intervals to quantify the progression rate in two coral genera, Acropora and Platygyra and the disease progression rate was 3 cm per month. White
band disease was widespread and was found to affect exclusively Acropora sp. Corals like Symphylia sp. and Cyphastrea sp. in the Palk Bay were comparatively not affected by
diseases. Total heterotrophic bacteria and pathogenic microbial forms in the
reef environment were also examined in the present study.
 
Date 2011-12-24T09:06:53Z
2011-12-24T09:06:53Z
2011-12
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://hdl.handle.net/123456789/13268
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.40(6) [December 2011]