Жарияланымдар / Публикации

Постоянный URI для этого сообществаhttps://cris.qyzpu.kz/handle/123456789/2

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2025 - 20263

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Автор: search.filters.author.Канат КулымбетЕсть файлы: Нет

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    Assessment of Vegetation and Soil Characteristics of Calligonum Leucocladum Populations in the Balkhash Region, Kazakhstan
    (2025-02-10)
    Alibek Ydyrys
    ;
    Мaral Mussina
    ;
    Saltanat Nazarbekova
    ;
    Bektemir B. Osmonali
    ;
    Raushan Dossymbekova
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    Soil morphological and chemical characteristics in the habitats of the rare, endemic plant Spiraeanthus schrenkianus in Karatau Mountains, Kazakhstan
    (Instituto Internacional de Ecologia (Brazil), 2025-01-01)
    A Muratbayeva
    ;
    Akmaral Nurmahanova
    ;
    Канат Кулымбет
    ;
    A. T. Myltykbayeva
    ;
    Aigul Аkhmetova
    BACKGROUND: The article presents the results of the study of ecological characteristics of soils of three populations on the territory of Karatau. The populations were located in different geographical points with differences in soil types, depth of horizons and content of chemical elements. The study evaluated the main soil parameters including humus content, pH, CO2, macro- and microelements, and salinity level. It was found that population-1 (mountain gray-brown soils) was characterized by the highest content of humus and mobile nitrogen, indicating better availability of nutrients to plants. population-2 (mountain southern serozems) has higher potassium content, which is favourable for plant growth. population-3 (mountain gray-brown soils) showed the lowest content of mobile phosphorus and copper compared to other populations. Analysis of heavy metal concentrations showed that zinc exceeded the maximum permissible concentration only in population-2. At the same time, soil salinization at all three sites remains at a low level and does not pose a threat to the ecosystem. These findings are ecologically significant as they reveal the critical role of soil fertility and contamination in supporting the distribution and survival of the rare endemic species Spiraeanthus schrenkianus. These results provide new information for assessing the fertility and sustainability of land resources.
    Цитирования (OpenAlex) 4Цитирования (OpenCitations) 1
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    Regional Variation in Plant Community Composition and Soil Properties of Alcea nudiflora Habitats Along an Elevational Gradient in the Trans-Ili Alatau, Kazakhstan
    (PAGEPress (Italy), 2026-10-09)
    Akerke Abil
    ;
    Saltanat Nazarbekova
    ;
    Серик Бакиров
    ;
    Zhansaya Abdukadirova
    ;
    Mira Aytzhanova
    Wild plant populations in mountain ecosystems often depend on specific combinations of soil, vegetation and microsite conditions. Alcea nudiflora (Lindl.) Boiss. is a poorly studied Malvaceae species in Central Asia, and its population structure across different soil and vegetation conditions in the Trans-Ili Alatau remains insufficiently documented. We assessed three natural populations of A. nudiflora along an elevational gradient in the Trans-Ili Alatau, Kazakhstan: P1 at 900 m a.s.l., P2 at 1438 m a.s.l. and P3 at 1620 m a.s.l. Floristic composition, vegetation structure, ontogenetic stages and soil physicochemical properties were analysed using field surveys, 10 × 10 m plots, soil descriptions, laboratory analyses and exploratory ordination. P1 occurred in relatively open meadow–shrub vegetation and showed the strongest coenotic expression of A. nudiflora, with 62 individuals recorded within the 100 m2 vegetation plot and a broad representation of major ontogenetic stages. In P2, A. nudiflora remained a regular component of shrub–meadow and forest-edge vegetation, whereas in P3, the species occurred sparsely and was restricted to meadow openings, forest-edge gaps, and local microsites. Surface soil properties varied among habitats. In the upper horizon, P1 had 3.67% humus, 95.2 mg kg−1 readily hydrolysable N, 36.0 mg kg−1 available P2O5, 610 mg kg−1 available K2O, pH 8.41 and 4.28% CO2; P2 had 3.72% humus, 39.2 mg kg−1 readily hydrolysable N, 44.8 mg kg−1 available P2O5, 450 mg kg−1 available K2O, pH 8.23 and 0.54% CO2. PCA explained 37.1%, 33.8% and 9.4% of variance on PC1–PC3, summarizing gradients of nutrients, texture, carbonates and alkalinity. The results indicate that population status is associated with surface soil conditions, vegetation structure and microsite availability rather than elevation alone.