Analysis, Fate and Transformation of Emerging Contaminants in Soil

A special issue of Toxics (ISSN 2305-6304). This special issue belongs to the section "Ecotoxicology".

Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 1786

Special Issue Editors


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Guest Editor
Department of Biochemistry, Biotechnology and Ecotoxicology, Faculty of Science and Technology, Jan Długosz University in Częstochowa, 13/15 Armii Krajowej Av., 42-200 Częstochowa, Poland
Interests: ecotoxicology; oxidative stress; phytotoxicity; plants; ionic liquids; NSAIDs; chlorophyll fluorescence; microtox; toxkit

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Co-Guest Editor
Department of Bioengineering, Faculty of Environmental Management and Agriculture, West Pomeranian University of Technology in Szczecin, 17 Słowackiego St., 71‐434 Szczecin, Poland
Interests: environmental science; soil chemistry and biochemistry; biotests and bioindicators; renewable energy sources; soil and water conservation; xenobiotics in environment; sewage and sludge management
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Special Issue Information

Dear Colleagues,

Despite various measures taken to protect the environment, the intensively developing economy causes the slow deterioration of the quality of the natural environment in the world. One of the elements of the environment that has a direct or indirect impact on human health and life is soil. Due to their sorption properties, soils absorb many substances, both in a solid, liquid, and gaseous form. Soil contamination comes from various sources, i.e., industrial, agricultural, municipal, and communication. Depending on the type of soil, type of pollution, its concentration, etc., they move deeper into the soil profile, threatening the groundwater; nevertheless, they accumulate to the highest degree in the top humus layer of the soil. The soil, on the other hand, is a place where various organisms live and where plants grow that are eaten by humans and animals.

In connection with the above, it is extremely important to study in detail and determine the fate and transformations of individual pollutants that may appear in the soil.

This issue will discuss various topics related to the impact of various types of pollutants on the soil and the organisms that live in it, including the fate and transformation of soil pollutants, the mechanisms of toxicity, risk assessment, and the impact of these pollutants on organisms (microorganisms, animals, plants) living in the soil.

Dr. Barbara Pawłowska
Prof. Dr. Arkadiusz Telesiński
Guest Editors

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Keywords

  • ecotoxicity
  • soil contamination
  • soil enzymes
  • soils and food security
  • threats to and protection of soils
  • soil degradation
  • soil microbiology
  • risk assessment

Published Papers (1 paper)

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Research

15 pages, 2343 KiB  
Article
Potential Sources, Pollution, and Ecological Risk Assessment of Potentially Toxic Elements in Surface Soils on the North-Eastern Margin of the Tibetan Plateau
by Yujun Ma, Qiugui Wang, Weigang Su, Guangchao Cao, Guoyan Fu and Wen Du
Toxics 2022, 10(7), 368; https://doi.org/10.3390/toxics10070368 - 03 Jul 2022
Cited by 4 | Viewed by 1481
Abstract
Due to increased levels of human activity, various pollutants are frequently detected on the Tibetan Plateau, where the environment is extremely fragile and sensitive. Therefore, this study investigated the sources, pollution, and ecological risks of soil potentially toxic elements (PTEs) in different landscape [...] Read more.
Due to increased levels of human activity, various pollutants are frequently detected on the Tibetan Plateau, where the environment is extremely fragile and sensitive. Therefore, this study investigated the sources, pollution, and ecological risks of soil potentially toxic elements (PTEs) in different landscape areas within the Qaidam Basin in the northeastern part of the Qinghai–Tibet Plateau. The contents of seven PTEs (Cd, Cu, Pb, Zn, As, Cr, and Ni) in 32 topsoil samples (0–2 cm) were analyzed in different regions of the Qaidam Basin. The concentrations of As, Cd, Cr, Cu, Ni, Pb, and Zn were 10.4–29.9 mg/kg, 0.08–4.45 mg/kg, 19–66 mg/kg, 8.2–40 mg/kg, 11.7–30.8 mg/kg, 11.1–31.2 mg/kg, and 32–213 mg/kg, respectively. The correlation between Pb and Cd in unpopulated areas was 0.896 (p < 0.01). The correlations among Pb, Cd, and Zn in agricultural areas, among As, Cd, Cr, and Zn in saline lake areas, and among As, Cd, Cr, Cu, Ni, Pb, and Zn in residential areas were all greater than 0.65 (p < 0.05). The principal component analysis results showed that Pb and Cd in unpopulated areas, Pb, Cd, and Zn in agricultural areas, As, Cd, Cr, Zn, and Pb in saline lake areas, and As, Cd, Cr, Cu, Ni, Pb, and Zn in residential areas were affected by human activities (significant factor >0.70). Based on the geological accumulation index and single-factor pollution index results, the maximum Cd values were found to be 4.93 and 45.88, respectively; Cd was thus the most serious PTE pollutant. The comprehensive pollution index of Nemero showed that moderately and severely polluted areas accounted for 18.89% and 18.46% of the total area, respectively. The results of the potential risk index showed that very strong and strong ecological risk points together accounted for 18.8% of the total points. The spatial variations in PTE pollution and the potential ecological risk index had similar patterns; both increased from the unpopulated areas in the northeastern Qaidam Basin to Golmud city in the south-western Qaidam Basin. These results indicate that human activities negatively impacted the soil ecological environment in the Qaidam Basin during the rapid development of the economy and urbanization and that these negative impacts tended to spread to unpopulated areas. Therefore, it is necessary to emphasize the significant impacts of human activities on environmental quality and formulate preventive measures to reduce PTE pollution in the Qinghai–Tibet Plateau. Full article
(This article belongs to the Special Issue Analysis, Fate and Transformation of Emerging Contaminants in Soil)
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