☆ 4.6 Article

Evaluation of Heavy Metal Accumulations in Plant Organs and Soil White Birch (Betula verrucosa Ehrh.) Plantation

WATER AIR AND SOIL POLLUTION (2021)

Journal

WATER AIR AND SOIL POLLUTION

Volume 232, Issue 12, Pages -

Publisher

SPRINGER INT PUBL AG

DOI: 10.1007/s11270-021-05473-w

Keywords

Biomonitoring; White birch; Heavy metals; Soil pollution

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Abstract

The study revealed variations in heavy metal concentrations in soil and plant tissues of white birch afforestation. While no significant pollution was found in the soil, the highest concentration of manganese was observed in the branch part of the plant. Additionally, bioaccumulation factors suggest that using white birch barks as a biomonitoring tool may be effective, especially in monitoring increases in cadmium concentrations in urban environments.

In order to determine the heavy metal amounts of white birch afforestation, cobalt (Co), chrome (Cr), arsenic (As) and cadmium (Cd) and manganese (Mn), zinc (Zn), nickel (Ni), and lead (Pb) concentrations were calculated within the scope of this study. And it is seen that heavy metal concentrations in soil and plant tissues varied. The highest concentration of heavy metals in soil was discovered in Mn, while the lowest concentration was observed in Cd. Heavy metal concentrations follow this order of Mn > Zn > Cr > Ni > Co > Pb > As > Cd in soil. Simultaneously, soil pollution was assessed, and no significant amount of pollution was discovered in the research area's soil. PI values varied between 0.41 and 2.15. The PLI value was determined as 1.46. The average concentrations in plant parts were branch > bark > leaf, with Mn having the greatest concentration in the branch part. In comparison to plant parts, bioaccumulation factors (BAFs) were found in Cd at the highest bark layer. Cd > Pb > Zn > As > Ni > Mn > Cr > Co order was followed according to the mean BAF values. It is believed that using White birch barks as a biomonitoring tool may be useful, particularly in monitoring increases in Cd concentrations in urban settings. Additionally, to maximize heavy metal retention, it is advised to use hyperaccumulator plant combinations according to local climatic conditions.

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Assessment of the Ecotoxicity of Ag, Bi, Te and Tl According to the Biological Indicators of Haplic Chernozem

Sergey Kolesnikov, Tatiana Minnikova, Natalya Tsepina, Natalya Evstegneeva, Alena Timoshenko

Summary: Soil contamination with rare heavy metals such as silver, bismuth, tellurium, and thallium disrupts agricultural and ecological functions. The ecotoxicity of these metals was assessed using biological indicators in a laboratory simulation experiment. The length of wheat roots and total number of bacteria were the most sensitive indicators during contamination with oxides and nitrates, respectively. Azotobacter sp. abundance was the most informative indicator for contamination with both forms of the rare elements. Thallium and tellurium were found to be the most ecotoxic elements.

APPLIED SCIENCES-BASEL (2022)