Benzo[a]pyrene degradation and bioaccumulation in soil-plant system under artificial contamination

The Science of the Total Environment
Svetlana SushkovaGalina Vasilyeva

Abstract

The involvement of benzo[a]pyrene (BaP) one of the most toxic polycyclic aromatic hydrocarbons (PAHs) in the soil-plant system causes its potential carcinogenicity and mutagenicity for human health. The aim of this article is benzo[a]pyrene (BaP) degradation and bioaccumulation in soil-plant system under artificial contamination in model experiment with Haplic Chernozem and that spiked with various doses of BaP (20, 200, 400 and 800μgkg-1) equivalent to 1, 10, 20 and 40 levels of maximal permissible concentrations (MPC) planted with spring barley (Hordeum sativum distichum). The experimental soil samples were planted every spring and incubated outdoor during 4years. The express-method of subcritical water extraction was used for BaP extraction from samples. It was established the values of BaP period of semi-degradation in soil (T50, y) contaminated with 10, 20 and 40MPC deviated from 1.4 to 1.8years, while these values in low contaminated soils deviated from 2.9 to 5.4years. It was found the BaP concentrations in plants depended on initial BaP contamination and reduced simultaneously with diminish of BaP concentration in the related spiked samples. Growing of spring barley in the BaP spiked soils lead to BaP accumulation in pl...Continue Reading

Citations

Jul 3, 2019·Environmental Geochemistry and Health·Vitaly G LinnikSaglara S Mandzhieva
Apr 15, 2020·Environmental Science and Pollution Research International·Yongyong FengShaolin Xie
Jan 8, 2021·Environmental Science and Pollution Research International·Karolina Barčauskaitė, Romas Mažeika
Jan 8, 2021·Environmental Geochemistry and Health·Mahmoud MazarjiTamara Dudnikova
Apr 29, 2021·Environmental Geochemistry and Health·Tatiana MinkinaCarla Sofia Santos Ferreira

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