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Analysis of Heavy Metal Components in Some Urban Ponds in Rajshahi, Bangladesh

Fawzia Adib Flowra
Department of Fisheries, University of Rajshahi, Rjashahi-6205, Bangladesh

M. Afzal Hussain
Department of Fisheries, University of Rajshahi, Rjashahi-6205, Bangladesh

Jibon Kumar Ghosh
Department of Fisheries, University of Rajshahi, Rjashahi-6205, Bangladesh

Md. Abu Sayed Jewel
Department of Fisheries, University of Rajshahi, Rjashahi-6205, Bangladesh

Anannya Sen Tumpa
Department of Fisheries, University of Rajshahi, Rjashahi-6205, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted to determine the heavy metal pollution status of selected six ponds in Rajshahi City Corporation for a period of 7 months from June, 2008 to December, 2008. Among heavy metals the mean values of Cu, Mn, Zn, Fe and Pb varied from 0.05±0.02 (Pond-5) to 1.79±0.88 mg/l (Pond-4), 21.30±2.64 (Pond-6) to 76.57±30.90 mg/l (Pond-1), 0.08±0.02 (Pond-6) to 1.25±0.79 mg/l (Pond-4), 0.75±0.10 (Pond- 3) to 1.87±0.53 mg/l (Pond-5) and 0.14±0.12 (Pond-6) to 4.92±1.66 mg/l (Pond-4) respectively. This study indicated that the Pond-2 covered by garbage, polythene and other wastes, Pond-3 and Pond-4 received industrial wastes were moderately polluted whereas the Pond-1 received City corporation wastes was less polluted.

Keywords: Heavy metal, Pollution, Urban ponds, Bangladesh

Location: Urban Ponds in Rajshahi

Start Date: 00-06-2008

End Date: 00-12-2008

Program Area: Risk Management in Agriculture

Commodity: Heavy metal

Objectives:

The present study has been aimed to conduct the determination of heavy metal components in selected urban fish ponds in Rajshahi.

Methodology:

Water samples were collected once in a month at 10 a.m.- 11 a.m. for a period of seven months from June, 2008 to December, 2008 in six fishponds which were situated at Hadirmore (1), Sonadighir more (2), BSCIC (Bangladesh Small and Cottage Industries Corporation) area (3, 4) and Kazihata (5, 6) of Rajshahi City Corporation. Collected samples were analyzed by the Institute of environmental sciences, University of Rajshahi. The heavy metal (Cu, Pb, Zn, Fe, Mn) concentration of water samples was determined by using Spectrophotometer (Model Shimadzu UV1601 PC, Made in Japan).

Source of Information: J. Life Earth Sci., Vol. 7: 115-117, 2012 ISSN 1990-4827

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Present research work reveals significant variations in the concentration of heavy metals due to untreated industrial and sewage wastes added into the pond water. The effluents from these sources have adversely affected the quality of water. Among the study ponds those pond which were situated in industrial area (Pond-3 and 4) contributed significant metals pollution towards the pond ecosystem. In these ponds the concentrations of toxic heavy metals and effluent discharging were found moderately higher than the safe limits for sustainable conservation of freshwater fisheries and aquatic habitats. The findings have important implications for the development of effective watershed management strategies for the control of point and diffuse-source pollution. As well as further study will needed to assess the affect of heavy metals in fish muscle and total pond ecosystem in this region

Knowledge Management: Journal