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Sediment metal contaminations in sewage-fed aquaculture system of East Kolkata Wetland, West Bengal, India

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Title Sediment metal contaminations in sewage-fed aquaculture system of East Kolkata Wetland, West Bengal, India
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Creator B.R. Sona
Srikanta Samanta
Sangram Keshari Rout
 
Subject Heavy metal, Sediment pollution, Contamination factor, Pollution load index, East Kolkata Wetlands
 
Description Not Available
Present work aimed to study the contamination of heavy metals (Copper, Lead, Manganese, and Zinc) in sediment from sewage fed aquaculture system of East Kolkata Wetlands, West Bengal, India from July 2016 to March 2017. Composite sediment samples were collected monthly from three sites (S1, S2, and S3) of the Nalban of the East Kolkata Wetlands. The samples were brought to the laboratory, processed, and analyzed. The concentrations of the metals were in the order Mn> Zn > Pb> Cu at S1; Mn> Zn > Cu >Pb at S2 and Zn > Mn > Pb > Cu at S3. The calculated average values of Contamination Factor (CF) were in the order Pb >Cu>Zn>> Mn at S1, Cu Zn > Pb >> Mn at S2, and Pb > Zn > Cu >> Mn at S3. In general, the wetland was rated as low to moderately contaminated. The estimated Pollution Load Index (PLI) values for the wetland also corroborated the inference. Suitable management practices like the proper waiting period for wastewater intake, continuing general cultural practices of maintaining water hyacinth in the marginal areas of the wetland, etc., should be religiously followed to prevent the wetland from further deterioration due to associated risk of pollution.
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Date 2021-09-01T10:51:00Z
2021-09-01T10:51:00Z
2020-06-01
 
Type Research Paper
 
Identifier Sona B. R., Samanta S. and Rout S.K. 2020. Sediment metal contaminations in sewage-fed aquaculture system of East Kolkata Wetland, West Bengal, India. Journal of the Inland Fisheries Society of India, 52(1): 42-51
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http://krishi.icar.gov.in/jspui/handle/123456789/61176
 
Language English
 
Relation Not Available;
 
Publisher Inland Fisheries Society of India