Biogeochemical migration of heavy metals in the soil-plant system of Taraz, Kazakhstan: Effects of phosphorus plant emissions
Yerkinbek U.Y. Bakesova R.M. Sharipov G.A. Mendigaliyeva A.S. Zhylkyshybaeva M.M. Shalabayev K.Y. Zhamalova D.B. Botbayev D.M.
2025University of Guilan
Caspian Journal of Environmental Sciences
2025#23Issue 4871 - 883 pp.
The article discusses the effects of emissions from the Taraz phosphorus plant on soil and vegetation. Analytical data showed that the soils of the investigated sites around the Kazphosphate plants, located at various distances from the main plant chimneys, are contaminated with mobile and total forms of zinc, cadmium, and copper. The contamination occurs to a depth of 0–30 cm in all directions according to the wind rose. These elements are the main soil pollutants. According to granulometric indicators, the soil is generally light in texture—sandy, loamy sand, and light loam. In these areas, there is a possibility of heavy metals leaching downward and entering groundwater, posing a threat to the surrounding ecosystem, including humans. Research results showed that the zinc and copper levels in plants were below hazardous thresholds. However, the cadmium and lead levels were several times higher than permissible limits, especially cadmium in the western direction and lead in all directions, particularly east and south. These zones require soil and plant heavy metal monitoring and bioremediation measures.
Dominant pollutants , Heavy metals , Monitoring , Soil
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Department of Biology, Faculty of Natural Sciences and Geography, Abai Kazakh National Pedagogical University, Almaty, Kazakhstan
West Kazakhstan Innovative Technological University, Uralsk, Kazakhstan
Department of Civil Defense and Military Training, Malik Gabdullin Academy of Civil Protection of the Ministry of Emergency Situations of the Republic of Kazakhstan, Kokshetau, Kazakhstan
West Kazakhstan Innovative Technological University, Institute of education and management, Department of Physical Culture and Informatics, Uralsk, Kazakhstan
Departments “Animal Biology named after N.U. Bazanova”, Faculties “Veterinary and Zooengineering”, Kazakh National Agrarian Research University, Almaty, Kazakhstan
Non-profit limited company Akhmet Baitursyuli Kostanay regional University, Faculty of Agricultural Sciences, Kostanay, Kazakhstan
Satbayev University, Almaty, Kazakhstan
Department of Biology
West Kazakhstan Innovative Technological University
Department of Civil Defense and Military Training
West Kazakhstan Innovative Technological University
Departments “Animal Biology named after N.U. Bazanova”
Non-profit limited company Akhmet Baitursyuli Kostanay regional University
Satbayev University
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