Ashok Kumar Shawa,b*, Amar Kumara, Ravinder Singha & Abhilashb
aP. G. Department of Zoology, Kolhan University, Chaibasa, Jharkhand, India
bCSIR – National Metallurgical Laboratory, Jamshedpur, Jharkhand, India
Received : 19th April, 2023 ; Revised : 12th June, 2023
DOI:-https://doi.org/10.5281/zenodo.10927562
Abstract– The rising levels of heavy metals concentrations in the Subarnarekha River are of great concern due to their highly bio accumulative nature, potential ecological effects, persistent behavior and higher toxicity. The heavy metals bio- magnifies in the food chain and imposes various toxic effects in aquatic environment and organisms. Heavy metal concentrations like Zn, Pb, Cr, Cd, Ni, Mn, Co and Cu in water, sediment and in different food webs were determined using Inductively Coupled Plasma-Optical Emission Spectrometry (ICP-OES) for sampling site that are found stressed with high contamination due to urbanization and anthropogenic activities. The bio-absorption capacity of the water hyacinth (Eichhornia crassipes) in minimizing various contaminants present in the industrial waste water is well studied. Fish reflect the higher degree of environmental contamination by heavy metals. Several studies and research work have been cited to establish and evaluate the relationship between heavy metal contents in water column, sediment fractions, and biota. The objectives of this work are to compare the level of heavy metals concentration in water column, flora and fauna in Subarnarekha River at Jamshedpur.
Key words: Anthropogenic activities, Heavy Metals, Bio-accumulation, Labeo rohita, Subarnarekha River, Eichhornia crassipes.
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