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  1. KRISHI Publication and Data Inventory Repository
  2. Fisheries A6
  3. ICAR-Central Marine Fisheries Research Institute I7
  4. FS-CMFRI-Publication
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Please use this identifier to cite or link to this item: http://krishi.icar.gov.in/jspui/handle/123456789/56942
Title: Effect of mercury effluents on marine bivalves
Other Titles: Not Available
Authors: Marichamy,R
Easterson,D C V
Kandasamy,D
Kasim,H M
Rajapackiam,S
ICAR Data Use Licennce: Not Available
Author's Affiliated institute: Not Available
Published/ Complete Date: 1988
Project Code: Not Available
Keywords: Effect of mercury effluents
marine bivalves
Publisher: CMFRI
Citation: Not Available
Series/Report no.: Not Available
Abstract/Description: High concentration of mercury and acidity have been noticed in the effluents of Dharansadara Chemical Works and Plastic Resins and Chemical Centre near Kayalpatnam, south of Tuticorin. The bar mouth of the polluted lagoon is opened during November-January and the discharges of heavy metal toxicants in the open sea is of great concern in the management of marine and nearby ecosystems. Sea water in the industrial coastal area contains mercury in the range 18-70 pg/ml. Marine organisms such as bivalves have a particularly high capability for concentrating heavy metals. Investigations have been carried out on the survival of two important bivalves of the region Crassostrea madrasensis end Mesodesma glabratum of different size groups by abruptly exposing to different concentrations from sharp lethal to non-lethal concentrations of the industrial effluents, Samples of these two species have also been exposed to different sub lethal concentrations for varying durations to study the uptake and rate of accumulation of mercury in the tissues of the bivalves. The results of the observations are discussed. The study provides information as to when exactly the bivalves are brought under stress end for planning preventive measures to protect the valuable resources.
Description: Not Available
Type(s) of content: Article
Sponsors: Not Available
Language: English
Name of Journal: CMFRI Bulletin
Volume No.: 42
Page Number: 410-413
Name of the Division/Regional Station: Not Available
Source, DOI or any other URL: http://eprints.cmfri.org.in/2617/1/Article_39.pdf
URI: http://krishi.icar.gov.in/jspui/handle/123456789/56942
Appears in Collections:FS-CMFRI-Publication

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