Assessing Heavy Metal Contamination for Soil Reclamation: Implications for Sustainable Urban Development
Saparov G. Dutbayev Y. Amanzholkyzy A. Islam K.R. Tireuov K. Hakimov N. Zudilova E. Shichiyakh R. Shoykin O. Ganiyev B. Otcheskiy I. Trushin M. Kozlov A.
December 2024International Information and Engineering Technology Association
International Journal of Design and Nature and Ecodynamics
2024#19Issue 62197 - 2204 pp.
Rapid economic development in Kazakhstan has resulted in numerous environmental challenges, including soil contamination by heavy metals. The largest city of Almaty in Kazakhstan, situated in a foothill basin, grapples with a complex environmental scenario. Heavy metals, particularly in their soluble phase, threaten plants, animals, and human health, impacting metabolism, hindering plant growth, and diminishing soil productivity. To address soil remediation in Almaty, a comprehensive study was conducted to investigate the influence of various factors on the concentrations of heavy metals Cd, Pb, Cu, Zn, and Cr in soil across different city areas from 2004-2021. The results show a significant temporal decrease in the concentrations of lead, mobile copper, chromium, and mobile zinc, indicating the effectiveness of pollution reduction measures implemented over the years. These findings are important for soil remediation, as decreasing contamination levels contribute to improved soil quality and reduced risks to plant, animal, and human health. Additionally, the sampling locations influenced these indicators. At the same time, moderate associations were observed between mobile copper and zinc, mobile zinc and total lead, total lead and mobile copper, total lead and Cd. Weak correlations were identified between Cd and mobile copper, total Cd, and mobile zinc, total lead and mobile chromium, as well as between mobile copper and total lead. In Almaty, variations in mobile chromium, cadmium, and copper contents across districts highlight diverse pollution sources. Additionally, the correlations between total copper and mobile chromium, as well as moderate associations between other metals, suggest interconnected contamination patterns. The results of this study will help to develop more efficient multi-metal remediation strategies, minimizing resources and time required for soil rehabilitation for advancing sustainable urban development. Copyright:
abiotic factors , contamination , correlation , ecology , heavy metals , soil remediation , urban development
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Research Center for Ecology and Environment of Central Asia (Almaty), Almaty, 050059, Kazakhstan
U.U. Uspanov Kazakh Research Institute of Soil Science and Agrochemistry, Almaty, 010000, Kazakhstan
Kazakh National Agrarian Research University, Almaty, 050000, Kazakhstan
Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
The Ohio State University South Centers, Piketon, 45661, OH, United States
Saken Seifullin Kazakh Agrotechnical University, Astana, 010000, Kazakhstan
Department of Social Humanities and Exact Sciences, Tashkent State University of Economics, Tashkent, 100066, Uzbekistan
Moscow Aviation Institute, Moscow, 125993, Russian Federation
Department of Management, Kuban State Agrarian University named after I.T. Trubilin, Krasnodar, 350044, Russian Federation
P.A. Stolypin Omsk State Agrarian University, Omsk, 644008, Russian Federation
Department of Sociology, Fergana State University, Ferghana, 712000, Uzbekistan
Department of State and Municipal Administration, University of Tyumen, Tyumen, 625003, Russian Federation
Department of Genetics, Kazan Federal University, Kazan, 420008, Russian Federation
Russian State Agrarian University, Moscow Timiryazev Agricultural Academy, Moscow, 127434, Russian Federation
Research Center for Ecology and Environment of Central Asia (Almaty)
U.U. Uspanov Kazakh Research Institute of Soil Science and Agrochemistry
Kazakh National Agrarian Research University
Al-Farabi Kazakh National University
The Ohio State University South Centers
Saken Seifullin Kazakh Agrotechnical University
Department of Social Humanities and Exact Sciences
Moscow Aviation Institute
Department of Management
P.A. Stolypin Omsk State Agrarian University
Department of Sociology
Department of State and Municipal Administration
Department of Genetics
Russian State Agrarian University
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