Vol. 337 No. 9 (2026)
DOI https://doi.org/10.18799/24131830/2026/9/5148
Elemental composition and assessment of ecological state of meadow gley soils of natural and antropogenic landscapes in the southeastern part of the Khankai lowland
Relevance. The need to identify the composition and ecological state of soils in various landscapes of the transboundary territory and to establish the magnitude of potential environmental risk. Aim. To assess the geochemical state of meadow soils of natural and antropogenic landscapes using several pollution indices. Methods. The total content of elements in the soils was determined by X-ray fluorescencean alysison an EDX-800HS spectrometer (Shimadzu). Physico-chemical properties of soils are determined by standard methods. Results. A lower humus content with higher acidity was found in the soils of arable lands. The content of most heavy metals in meadow gley soils is within the ficial limits, but exceeds the clark content in sedimentary rocks. In the soils of different landscapes, the content of the basic elements varies significantly, the largest amount of heavy metals is mainly accumulated in the soils of flooded areas. The studied soils of different landscapes are characterized by an acceptable level of pollution by Zc and insignificant value of potential ecological risk PERI. According to the Nemerow complex indicator the level of soil pollution increases from medium to high in the series virgin land<arable land<fallow land<flooded land. Meadow gley soils belonging to the category "clean" were not identified in the study area, which confirms the global technogenic impact on the territory. There is a probability that the elevated calcium and metals content in the upper part of the profile is related to the cement plant activity and transboundary atmospheric transport.
For citation: Zharikova E.A., Golodnaya O.M. Elemental composition and assessment of ecological state of meadow gley soils of natural and antropogenic landscapes in the southeastern part of the Khankai lowland. Bulletin of the Tomsk Polytechnic University. Geo Assets Engineering, 2026, vol. 337, no. 9, pp. 44–56. http://doi.org/10.18799/24131830/2026/9/5148
Keywords:
macroelements,, heavy metals, ecological risk, soil pollution, transbordery territory, geochemical indicators
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