Accumulation of Heavy Metals and Determination of Natural Radioactivity in the Soil-Thyme System in Omerli, Istanbul: Assessment of Ecological and Health Risk

IF 1 Q3 MULTIDISCIPLINARY SCIENCES

gazi university journal of science Pub Date : 2023-02-14 DOI:10.35378/gujs.1150020

A. N. Esen, A. Azbouche, S. Haciyakupoğlu, Sema Erentürk, Zaida Melzi̇

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Abstract

Transfer of metals from soil to plant is an important pathway of human exposure to environmental contaminants. In this study accumulation of different metals was investigated and natural radioactivity levels were measured in the soil–thyme system. Results showed that the concentration of Br, Cr, Mn, Ni, and Pb in the soil is higher than the World average value, and P, Ca, and Zn have higher transfer factors. The natural radioactivity level in the soils is similar to the World average. For thyme samples the average values for 226Ra, 232Th and 40K were found as 22.7 Bqkg-1, 61.3 Bqkg-1 and 722 Bqkg-1, respectively. The health and ecological risks of soil were evaluated. The total hazard index of the child was 1.453 on average, greater than that of the adult (0.175), primarily due to the contribution of Cr. Ecological risk assessed based on various indices indicated that Pb and Ni show contamination risk to the environment. Our study confirms that metals in soil influence metals in plants, and those metal interactions are critical for pollution risk control.

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伊斯坦布尔奥马利土壤Thyme系统中重金属的积累和天然放射性的测定：生态和健康风险评估

金属从土壤转移到植物是人类接触环境污染物的重要途径。在这项研究中，研究了不同金属的积累，并测量了土壤-百里香系统中的天然放射性水平。结果表明，土壤中Br、Cr、Mn、Ni和Pb的浓度均高于世界平均水平，P、Ca和Zn的转移因子较高。土壤中的天然放射性水平与世界平均水平相似。对于百里香样品，226Ra、232Th和40K的平均值分别为22.7 Bqkg-1、61.3 Bqkg-2和722 Bqkg-3。对土壤的健康和生态风险进行了评估。儿童的总危险指数平均为1.453，高于成人（0.175），主要是由于Cr的贡献。根据各种指数评估的生态风险表明，Pb和Ni对环境具有污染风险。我们的研究证实，土壤中的金属会影响植物中的金属，这些金属相互作用对污染风险控制至关重要。

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来源期刊

gazi university journal of science MULTIDISCIPLINARY SCIENCES-

CiteScore

1.60

自引率

11.10%

发文量

期刊介绍： The scope of the “Gazi University Journal of Science” comprises such as original research on all aspects of basic science, engineering and technology. Original research results, scientific reviews and short communication notes in various fields of science and technology are considered for publication. The publication language of the journal is English. Manuscripts previously published in another journal are not accepted. Manuscripts with a suitable balance of practice and theory are preferred. A review article is expected to give in-depth information and satisfying evaluation of a specific scientific or technologic subject, supported with an extensive list of sources. Short communication notes prepared by researchers who would like to share the first outcomes of their on-going, original research work are welcome.