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Bacterial growth efficiency in the tropical estuarine and coastal waters of Goa, southwest coast of India

DRS at CSIR-National Institute of Oceanography

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Title Bacterial growth efficiency in the tropical estuarine and coastal waters of Goa, southwest coast of India
 
Creator Ram, A.
Nair, S.
Chandramohan, D.
 
Subject microorganisms
growth
brackishwater environment
organic carbon
tropical environment
nannoplankton
Bacteria
 
Description Bacterial growth efficiency (BGE) is an index of organic carbon passing through bacteria in an aquatic system. BGE values of natural bacterioplankton assemblages were measured in tropical estuarine and adjacent coastal waters in Goa along the southwest coast of India. The BGE values for estuarine and coastal waters were 18 (plus or minus 7.84%) and 11 (plus or minus 4.19%), respectively. BGE in these waters were at the lower end of what is usually found in productive systems. This may be due to the high respiration rates. Further, it was observed that grazers also influenced BGE. As BGE was positively correlated with bacterial productivity, the observed variation in BGE was attributed to bacterial productivity. BGE was inversely related to C:N ratio, indicating a close coupling between the nature of the substrates and BGE. Being system-dependent, the variations in BGE at the two locations were dynamic and were regulated by the quality of the substrates. Therefore, a constant value for BGE would lead to error in carbon budgets in these waters
 
Date 2008-07-18T05:07:19Z
2008-07-18T05:07:19Z
2003
 
Type Journal Article
 
Identifier Microbial Ecology, Vol.45; 88-96p.
http://drs.nio.org/drs/handle/2264/1207
 
Language en
 
Rights Copyright [2003]. It is tried to respect the rights of the copyright holders to the best of the knowledge. If it is brought to our notice that the rights are violated then the item would be withdrawn.
 
Publisher Springer