HEAVY METALS IN BRACKISH WATER ZOOPLANKTON AT NAGORE COASTAL REGION, SOUTHEAST COAST OF TAMILNADU.
- Post Graduate and Research Department of Zoology, Government Arts College (Autonomous), Kumbakonam, India.
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The present study was carried out to determine the heavy metal in brackish water Zooplankton of the Cauvery river basin at Nagore coastal region, Southeast coast of Tamilnadu during October 2015 to September 2016 by taking samples from Nagore Cauvery river basin and Nagore Pattanachcheri village. Zooplankton was analyzed quali- and quantitatively. The Monthly variations of physico-chemical parameters viz: temperature, salinity, pH, dissolved oxygen and nutrients of the environment are the factors which mainly influence the production and successful propagation of planktonic life in the coastal biotopes. In this study, the heavy metals in brackish water Zooplankton such as Copper (Cu), Zinc (Zn), Cadmium (Cd), Mercury (Hg), Chromium (Cr) and Iron (Fe) were analyzed in the Sediment samples. The sample analysis was done by microwave assisted digestion and Atomic Absorption Spectrophotometer (AAS). Concentrations of heavy metals in brackish water zooplankton were corrected for metals contributed by particulate matter adhering to zooplankton organisms. The ecotoxicological importance of heavy metal uptake was apparent within the brackish water zooplankton. The presence of heavy metals in brackish water causes hazardous impact on the aquatic organisms. They are released in large concentration through effluent discharges from fiber boat industry, dry fish form issue, metal processing, paints and pigment production, biocides production, and through domestic sewage from nearby villages. The ranges of heavy metals in brackish water Zooplankton such as Copper (Cu), Zinc (Zn), Cadmium (Cd), Mercury (Hg), Chromium (Cr) and Iron (Fe) were: 5.03-42.3; 26.4-75.26; 4.89-17.14; 0.012-0.112; 0.05-4.29 and 0.3-0.98 and 5.67-81.26; 26.45-69.32; 5.42-8.72; 0.016-0.163; 0.14- 5.2 and 0.4-0.64 respectively. Finally, the suitability of zooplankton as an adequate biological indicator of heavy metal pollution in coastal environments is discussed.
[R. Bhuvaneswari and Serfoji. P. (2016); HEAVY METALS IN BRACKISH WATER ZOOPLANKTON AT NAGORE COASTAL REGION, SOUTHEAST COAST OF TAMILNADU. Int. J. of Adv. Res. 4 (Dec). 528-536] (ISSN 2320-5407). www.journalijar.com
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