EVALUATION OF HEAVY METALS IN PLANTS FROM PREVIOUSLY REMEDIATED SITES IN NIGER DELTA, NIGERIA

Main Article Content

GEORGE DANIEL SMILE
ADUABOBO IBITORU HART
LEO CHIGBU OSUJI

Abstract

The concentration of heavy metals such as Lead (Pb), Zinc (Zn), Copper (Cu), Chromium (Cr) and Iron (Fe) were evaluated in forty-eight  plant samples from previously remediated oil spill sites located in Abia, Imo and Rivers states for two different seasons using Atomic  Absorption spectroscopy (AAS) in order to assess their availability in the plants. The results obtained were subjected to Analysis of variance (ANOVA) and multiple comparisons using IBM SPSS version 26.0. Results showed concentration of zinc, copper, chromium and copper were below the minimum limits of 6.0mg/kg by WHO, while cadmium and mercury levels were below detectable level of the AAS. However, lead concentrations in all the plant samples exceeded minimum acceptable limits of 0.1mg/kg as specified by WHO, as well as 0.2/0.3 for WHO/FOA joint standards.

Keywords:
Heavy metals, contamination, bioaccumulation, pollutants, bioavailability, remediation

Article Details

How to Cite
SMILE, G. D., HART, A. I., & OSUJI, L. C. (2021). EVALUATION OF HEAVY METALS IN PLANTS FROM PREVIOUSLY REMEDIATED SITES IN NIGER DELTA, NIGERIA. Journal of Global Ecology and Environment, 13(2), 12-26. Retrieved from https://www.ikprress.org/index.php/JOGEE/article/view/7070
Section
Original Research Article

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