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The Distribution of Heavy Metals Mobile Forms in the Industrial-Urban Agglomeration Soil

Smyrnov Viktor, Mitryasova Olena, Salamon Ivan, Smyrnova Svitlana, Chvyr Vadym, Mats Andrii

Journal of Ecological Engineering

2023

Vol. 24, nr 11

303--313

The material is devoted to the distribution of heavy metals mobile forms in the ground cover urban landscapes of the Mykolaiv industrial urban agglomeration, which is a complex multifunctional system. The authors of the research collected soil samples from different places of agglomeration and measured the levels of heavy metals mobile forms in these samples. The purpose is a determination of the heavy metals migration levels in the missile strikes locations by the Russian aggressors. The objectives of the research are developing a strategy for testing the Mykolaiv Urban Industrial Agglomeration (MUIA) soil cover; estimating the migration level of heavy metals (HM) (Cr, Zn, Hg, Pb, Ni, Cu, Mn) of the MUIA soil cover according to the maximum permissible levels. The research data revealed that the HM concentration (Cr, Zn, Hg, Pb, Ni, Cu, Mn) is in three forms - ion exchange, available and fixed. The HM average concentration in the ion exchange form ranges from 0.9 mg/kg for Cr to 60.3 mg/kg for Mn. In available form, the HM average concentration varies from 0.4 mg/kg for Cr to 57.9 mg/kg for Hg. In fixed form, the HM average concentration ranges from 8.7 mg/kg for Cr to 582.9 mg/kg for Mn. The analysis of the study showed that the mobile forms content in soils agglomerations differs significantly depending on the place heavy metals of sampling. In some places, the content of heavy metals exceeds the permissible standards, which can harm on the ecosystem and human health.