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Effect of heavy metals on the carbon and nitrogen ratio in Avicennia marina from polluted and unpolluted regions

DRS at CSIR-National Institute of Oceanography

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Title Effect of heavy metals on the carbon and nitrogen ratio in Avicennia marina from polluted and unpolluted regions
 
Creator Yadav, A.
Ram, A.
Majithiya, D.
Salvi, S.
Sonavane, S.
Kamble, A.
Ghadigaonkar, S.
JiyalalRam, M.J.
Gajbhiye, S.N.
 
Subject GEOLOGY AND GEOPHYSICS
AQUATIC RESOURCES
AQUATIC POLLUTION
AQUATIC COMMUNITIES
 
Description The accumulation of heavy metals and its impact on the C/N ratio of Avicennia marina of the Patalganga and Amba estuaries were studied. Vadinar was selected as a relatively uncontaminated location for comparison. Cd was accumulated in leaves of the Patalganga and Amba estuarine mangroves; however, at Vadinar it was accumulated and arrested only in roots and stems. Negative correlation of Cr, Cd, Pb and Zn with C in the mangroves suggested that their accumulation may lead to lowered C content in the mangroves. The average C/N ratios in mangroves of the inner Patalganga estuary, Patalganga mouth, and Amba estuary were found to be 80.1 ± 7.3, 105.8 ± 12.5 and 52.4 ± 3.4 respectively, whereas at Vadinar it was well within the expected range (26.4 ± 2.8). The results of the present study suggest: (i) metal accumulation, leading to less carbon content in plants; (ii) heavy metal enrichment in the root zone sediment, affecting the uptake of nitrogen by plants and resulting in altered C/N ratio
 
Date 2016-01-08T06:48:48Z
2016-01-08T06:48:48Z
2015
 
Type Journal Article
 
Identifier Marine Pollution Bulletin, vol.101(1); 2015; 359-365
http://drs.nio.org/drs/handle/2264/4892
 
Language en
 
Rights An edited version of this paper was published by Elsevier. Copyright [2015] Elsevier
 
Publisher Elsevier