Dissolved mercury levels and chlorophyll concentrations in the offshore waters of the northeast coast of India

Kaladharan, P and Alavandi, S V and Pillai, V K (1990) Dissolved mercury levels and chlorophyll concentrations in the offshore waters of the northeast coast of India. In: Proceedings of the first workshop on scientific results of FORV Sagar Sampada, 5-7 June 1989, Kochi.

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Abstract

Dissolved mercury and total chlorophyll concentrations from the surface waters between 16Wand 20"30'N (upto 1000 m depth zone) were estimated from the samples collected onboard FORV Sagar Sampada during October, 1988. The dissolved mercury levels showed an average value of 1.04 pg/l, ranging from 0.3 to 2.2 pg/l and the total chlorophyll to 0.423mg/m3 varying from 0.120 to 1.149 mg/m3. Mercury concentrations in the presently reported areas is within the tolerance limit but lie well above the risk concentration levels. The high levels of mercury observed can be attributed to the discharge from the major rivers adjoining the coast.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: mercury; chlorophyll; northeast coast of India
Subjects: Marine Environment > Seawater Analysis
Divisions: CMFRI-Cochin > Fishery Environment
Subject Areas > CMFRI Brochures > CMFRI-Cochin > Fishery Environment
Depositing User: Users 171 not found.
Date Deposited: 13 Oct 2010 11:07
Last Modified: 09 Sep 2015 15:31
URI: http://eprints.cmfri.org.in/id/eprint/5123

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