Assesment of heavy metals concentration in initial soils of post-mining landscapes in Kryvyi Rih District (Ukraine)

Q3 Environmental Science

Ekologia Bratislava Pub Date : 2022-09-01 DOI:10.2478/eko-2022-0020

V. Savosko, Y. Bielyk, Y. Lykholat, H. Heilmeier

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引用次数: 1

Abstract

Abstract Assessment of heavy metals content in the initial soils of the post-mining landscapes plays an important role in pollution control, ecological protection, and safe-guarding human health. In this study, the site-specific pedogeochemical background contents of several metals in soils in Kryvyi Rih Iron Ore Mining & Metallurgical District (central part of Ukraine) were determined. The metal concentrations in the soils of Petrovsky waste rock dump were also quantified and were also assessed using indices of pollution. The field sampling was carried out at a depth of 0-10 cm in five plots in dump area and in one plot in control site. The 43 soil samples were collected. The results showed that local background concentrations of heavy metals in soils of studied area decreased in the following order (mg×kg−1): Fe (42 510) > Mn (761.7) > Cr (94.48) > Zn (90.51) > > As (31.85) > Cu (28.10) > Pb (18.73) > Co (16.21) > Sn (4.64) > Mo (0.28) > Cd (0.16). In the initial soils of devastated lands at Petrovsky waste rock dumps the predominance of increased Cd, Co, Fe, Mm, Mo and Sn content and the predominance of decreased As, Cr and Pb content were observed. Based on the mean values of the individual indices of pollution (Pollution index, Geoaccumulation index, Enrichment factor, Contamination factor) can be assumed that in these soils As, Cd, Fe, Mo, Pb and Sn are mostly coming from industrial activities. Co, Cr, Cu, Mn and Zn are mostly related to their natural occurrence in devastated lands. The values of integrated indices of pollution (Nemerow pollution index, Pollution load index, Degree of contaminated, Modified degree of contamination) indicated that the initial soils of post-mining landscapes can be evaluated as no polluted – and extremely heavy polluted.

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Kryvyi Rih区（乌克兰）采后景观初始土壤中重金属浓度的评估

摘要矿山采后景观初始土壤重金属含量的评价对污染控制、生态保护和人类健康安全具有重要意义。在本研究中，测定了Kryvyi Rih铁矿采矿冶金区（乌克兰中部）土壤中几种金属的特定地点土壤地球化学背景含量。还对彼得罗夫斯基废石堆土壤中的金属浓度进行了量化，并使用污染指数进行了评估。现场采样在0-10 cm的深度进行，在倾倒区的五个地块和控制区的一个地块进行。采集了43个土壤样本。结果表明，研究区土壤中重金属的局部背景浓度下降顺序为（mg×kg−1）：Fe（42 510）>Mn（761.7）>Cr（94.48）>Zn（90.51）>As（31.85）>Cu（28.10）>Pb（18.73）>Co（16.21）>Sn（4.64）>Mo（0.28）>Cd（0.16），Mm、Mo和Sn的含量以及As、Cr和Pb含量下降的优势。根据各个污染指数（污染指数、地质累积指数、富集因子、污染因子）的平均值，可以假设这些土壤中的As、Cd、Fe、Mo、Pb和Sn主要来自工业活动。Co、Cr、Cu、Mn和Zn主要与它们在被破坏土地上的自然存在有关。综合污染指数（Nemerow污染指数、污染负荷指数、污染程度、改良污染程度）的值表明，采后景观的初始土壤可以被评估为无污染和极重度污染。

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来源期刊

Ekologia Bratislava Environmental Science-Ecology

CiteScore

1.80

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： The Journal Ecology (Bratislava) places the main emphasis on papers dealing with complex characteristics of ecosystems. Treated are not only general, theoretical and methodological but also particular practical problems of landscape preservation and planning. The ecological problems of the biosphere are divided into four topics: ecology of populations: study of plant and animal populations as basic components of ecosystems, ecosystem studies: structure, processes, dynamics and functioning of ecosystems and their mathematical modelling, landscape ecology: theoretical and methodical aspects, complex ecological investigation of territorial entities and ecological optimization of landscape utilization,