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Distribution and abundance of luminous bacteria with special reference to shrimp farming activities

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Title Distribution and abundance of luminous bacteria with special reference to shrimp farming activities
 
Creator Abraham, T. Jawahar
Shanmugam, S.A.
Palaniappan, R.
Dhevendaran, K.
 
Subject Farm effluent
luminous bacteria
shrimp farming
Vibrio harveyi
 
Description 208-213
Quantitative and qualitative distribution of planktonic luminous bacteria in aquaculturally affected region of Tuticorin Bay, along southeast coast of India was studied. Luminous bacterial abundance ranging from 20 to 1050 cells/ml in nearshore seawater and 100 to 8,150 cells/g inshore sediment were recorded. A significant positive correlation was observed between the luminous bacterial counts and total viable counts of seawater in areas having intensive shrimp farming activities. Five different species of luminous bacteria namely Vibrio fischeri, V. harveyi, V. orientalis, V. splendidus biotype 1 and Photobacterium leiognathi were identified during this study with V. harveyi as the dominant species, comprising ≥ 82-97 % of the total luminous population. These results suggest that intensive shrimp farming which largely contributed to luminous bacterial population strongly influences the distribution of planktonic luminous bacteria in nearshore seawater and probably alters the balance of autochthonous microflora in areas affected by shrimp farming.
 
Date 2009-05-22T11:17:56Z
2009-05-22T11:17:56Z
2003-09
 
Type Article
 
Identifier 0379-5136
http://hdl.handle.net/123456789/4268
 
Language en_US
 
Publisher CSIR
 
Source IJMS Vol.32(3) [September 2003]