Heavy metal bioaccumulation by selected plants from fly ash–contaminated soils in suburban area

In fly ash–contaminated soils, metal buildup and translocation and their subsequent uptake in different parts of naturally growing plants were studied. The mean metal levels in soil and plants at uncontaminated site were significantly ( p < 0.01) lower than the contaminated site. In polluted soil...

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Bibliographic Details
Published in:Arabian journal of geosciences 2021, Vol.14 (2), Article 116
Main Authors: Qadir, Sami Ullah, Raja, Vaseem, Siddiqi, Weqar Ahmad, Alyemeni, Mohammed Nasser, Wijaya, Leonard, Ahmad, Parvaiz
Format: Article
Language:English
Subjects:
Bioaccumulation
Cadmium
Chromium
Contamination
Copper
Earth and Environmental Science
Earth science
Earth Sciences
Enrichment
Fly ash
Heavy metals
Iron
Lead
Manganese
Metal concentrations
Nickel
Original Paper
Pithecellobium dulce
Pollution index
Sediment pollution
Soil
Soil contamination
Soil pollution
Soils
Suburban areas
Translocation
Uptake
Variance analysis
Zinc
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Summary:In fly ash–contaminated soils, metal buildup and translocation and their subsequent uptake in different parts of naturally growing plants were studied. The mean metal levels in soil and plants at uncontaminated site were significantly ( p < 0.01) lower than the contaminated site. In polluted soils, metal enrichment factor (EF) was observed in order of Cd > Fe> Cr > Zn > Pb > Cu > Ni > Mn. The shoot enrichment factor (SEF) of Pithecellobium dulce ( P . dulce ) was Cd > Fe > Zn > Cr > Ni > Cu > Mn > Pb, whereas for Azadirachta indica ( A. Indica ) and Cassi a fistula ( C. fistula ), the SEF was of the order Fe > Cd > Cr > Zn> Ni > Mn > Cu > Pb, respectively. Root enrichment factor (REF) for P. dulce was Cd > Fe > Zn > Ni > Cu > Cr = Mn > Pb, but in A. indica , the REF was Fe > Cd > Zn > Ni > Mn > Pb > Cu > Cr, and in C. fistula , this order was Fe > Cd > Zn > Ni > Cr > Cu > Mn > Pb. Metal mobilization ratio in plants at both sites were below 1, except Mn and Fe at contaminated site. Single and combined element pollution indexes (SEPI and CPI) and shoot contamination factor (SCF) at contaminated soil were higher than uncontaminated, but root contamination factor (RCF) between sites shows a variable response. From ANOVA results, metal concentration showed significant variation due to site, plants, location, and season interactions.
ISSN:1866-7511
1866-7538
DOI:10.1007/s12517-020-06445-w