Abstract
This work evaluates the state of the soil that has undergone negative changes as a result of technogenic impacts, the presence of pollutants - heavy metals, considers the assessment of the state of the soil by the bioindication method. Shell amoebae, which are unicellular organisms, as well as earthworms and plants, were used as bioindicators. We also studied the ratio of the concentration of heavy metals in the soil to the distance of these soils from the source of heavy metals, and the seasonal dynamics of changes in the content of heavy metals in the soil. Using the method of stripping voltammetry, results were obtained on the presence of heavy metals in soil, earthworms and plants.
Highlights
The biosphere is exposed to heavy metal pollution from human industrial activities
Ash and slag waste contains heavy metals, the presence of which was detected by atomic emission spectrometry
The composition of the soil located at a distance of 30-150 m from the ash dump is susceptible to contamination with heavy metals, the concentration of which changes depending on the increase or decrease in the distance
Summary
The biosphere is exposed to heavy metal pollution from human industrial activities. Most of the heavy metals entering the biosphere tend to accumulate in the soil. The amount of heavy metals entering the soil and their behavior patterns in different soil-geochemical conditions can help predict the environmental hazard of soil contamination with these metals.[1, 2] these pollutants affect the density and structural composition of the soil, and their accumulation leads to an ecological imbalance that adversely affects the environment. [3, 4, 5] Purpose of the study: to assess the ecological state of soils in the territories exposed to technogenic pollution near the ash dump of the thermal power plant The amount of heavy metals entering the soil and their behavior patterns in different soil-geochemical conditions can help predict the environmental hazard of soil contamination with these metals.[1, 2] these pollutants affect the density and structural composition of the soil, and their accumulation leads to an ecological imbalance that adversely affects the environment. [3, 4, 5] Purpose of the study: to assess the ecological state of soils in the territories exposed to technogenic pollution near the ash dump of the thermal power plant
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