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Asian Journal of Animal Sciences
Year: 2018  |  Volume: 12  |  Issue: 1  |  Page No.: 16 - 22

Seasonal Assessment of Heavy Metal Pollution in Water and Sediment of Fish Pond at Bhagwanpur, Roorkee (U.K.), India

Aarti Maurya, Tarana Negi and Ram Krishna Negi    

Abstract: Background and Objective: Heavy metals are one of the most common environmental pollutants and their presence in an aquatic ecosystem has become a major global environmental problems. The pond in Bhagwanpur region is used for polyculture of major carps. Rapid industrialization, sewage discharge, agricultural runoff and dumping of waste materials are challenges that Bhagwanpur fish pond is facing. The present research was aimed to study the seasonal distribution of some heavy metals (Copper (Cu), Chromium (Cr), Lead (Pb), Nickel (Ni) and Zinc (Zn)) in water and sediment samples collected from Bhagwanpur fish pond. Materials and Methods: The samples were collected for all four seasons from March, 2012 to February, 2014. After acid digestion, the samples of water and sediment were analyzed for levels of heavy metals using the Atomic Absorption Spectrophotometer. Data obtained were analyzed using one-way ANOVA and correlation coefficient. Results: Data collected for Cr (0.277 ppm), Pb (0.142 ppm) and Ni (0.187 ppm) in water was higher than the permissible limit of World Health Organization (WHO), Environmental Protection Agency (EPA) and United States Environmental Protection Agency (USEPA). The statistical analysis (ANOVA) reveals a significant effect of season on all metal in sediment except Ni (p = 0.503). However, in water, only Zn (p = 0.014) showed a statistically significant seasonal variation. Correlation coefficient value indicates a positive relationship between metal concentration within water and sediment. The concentrations of Cu (63.49 μg g–1), Cr (48.74 μg g–1) and Pb (104.41 μg g–1) in sediment were higher than Threshold Effect Concentration (TEC) level recommended by Sediment Quality Guidelines. The highest concentration of metals in water was recorded in summer and lowest in spring, while in sediment metal concentrations was higher in winter and lower in summer and autumn. Conclusion: The result revealed that there is a considerable need for better understanding so that the pond can be managed effectively and the findings from this investigation can serve as baseline environmental data for monitoring of heavy metals accumulation in the pond.

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