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Occurrence of cyanobacteria - diatom symbiosis in the Bay of Bengal: Implications in biogeochemistry

DRS at CSIR-National Institute of Oceanography

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Title Occurrence of cyanobacteria - diatom symbiosis in the Bay of Bengal: Implications in biogeochemistry
 
Creator Kulkarni, V.V.
Chitari, R.R.
Narale, D.D.
Patil, J.S.
Anil, A.C.
 
Subject cyanobacteria
diatom
Bay of Bengal
primary production
 
Description Diazotrophs (N sub(2) fixing organisms), mainly belonging to cyanobacteria, form a major group of phytoplankton in nutrient poor oligotrophic oceans. These organisms support non-diazotrophic phytoplankton community and primary production by the release of fixed nitrogen (N sub(2)) into the marine environment and thereby play an important role in the biogeochemistry of oligotrophic environments. Trichodesmium spp., a colony-forming cyanobacterium and Richelia intracellularis Schmidt, a cyanobacterial endosymbiont of several diatom genera, are the most important diazotrophs accounting for approx. 63% of pelagic N sub(2) -fixation in the world?s oceans. However, information on R. intracellularis is lacking, even though its distribution is widespread.
 
Date 2010-10-07T08:57:12Z
2010-10-07T08:57:12Z
2010
 
Type Journal Article
 
Identifier Current Science, vol.99(6); 736-737
http://drs.nio.org/drs/handle/2264/3717
 
Language en
 
Rights Copyright [2010]. All efforts have been made to respect the copyright to the best of our
knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
 
Publisher Current Science Association