Influence of soil characteristics on the distribution and evolution of Trollius dschungaricus Regel populations in the Northern Tien Shan, Kazakhstan
Karabalayeva D. Kurmanbayeva M. Kulymbet K. Kusmangazinov A. Zhumagul M. Anatoliy R. Saken M. Kuanyshbayeva M. Alzhanova B.
2025Polskie Towarzystwo Inzynierii Ekologicznej (PTIE)
Journal of Ecological Engineering
2025#26Issue 10450 - 459 pp.
This study presents a comparative analysis of soil characteristics in three populations of the rare subalpine plant Trollius dschungaricus occurring in the Northern Tien Shan (Ketpen and Saty ridges). The aim was to identify the soil factors that influence the distribution and resilience of species under differing geo-ecological conditions. The examined soils are classified as mountain-meadow subalpine and sod-clayey subalpine types. A morphological description of the soil profile was conducted alongside chemical and particle-size analyses. The humus horizon thickness ranges from 32 to 40 cm, with humus content between 3.06 and 8.82%. The soil solution is mainly neutral to slightly alkaline (pH 7.0–8.0); available phosphorus and potassium fall within medium to high supply levels. The most humus-rich soils with the highest cation-exchange capacity are found on the Saty ridge, whereas the soils of the Ketpen ridge exhibit better drainage properties and a lower tendency toward compaction. All soils display weak carbonation, lack easily soluble salts, and show a propensity for surface horizon slaking under excessive moisture due to high silt and fine-dust fractions. These findings allow an assessment of the ecological capacity of the study sites and provide recommendations for conserving the T. dschungaricus habitats amid increasing anthropogenic pressure.
humus , Northern Tien Shan , population , relief , Trollius L.
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Al-Farabi Kazakh National University, Almaty, Kazakhstan
U.U. Uspanov Kazakh Research Institute of Soil Sciences and Agrochemistry, Almaty, Kazakhstan
Astana International University, Astana, Kazakhstan
Shakarim University of Semey, Semey, Kazakhstan
M. Utemisov West Kazakhstan University, Uralsk, Kazakhstan
Al-Farabi Kazakh National University
U.U. Uspanov Kazakh Research Institute of Soil Sciences and Agrochemistry
Astana International University
Shakarim University of Semey
M. Utemisov West Kazakhstan University
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Книга Публикация научной статьи Волощук 2026 Book Publication of a scientific article 2026