Issue |
BIO Web Conf.
Volume 100, 2024
International Scientific Forum “Modern Trends in Sustainable Development of Biological Sciences” (IFBioScFU 2024)
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Article Number | 04025 | |
Number of page(s) | 7 | |
Section | Current Issues and Modern Principles of Biodiversity Study | |
DOI | https://doi.org/10.1051/bioconf/202410004025 | |
Published online | 08 April 2024 |
Changes in humus content on the territory of agricultural lands in the Issyk-Kul basin of Kyrgyzstan
1 Issyk-Kul State University n. a. K. Tynystanov, Department of natural sciences, 722200 Karakol, Kyrgyzstan
2 Issyk-Kul State University n. a. K. Tynystanov, Department of economics, finance and taxation, 722200 Karakol, Kyrgyzstan
* Corresponding author: sarieva.g@iksu.kg
The Issyk-Kul valley of Kyrgyzstan has very large diversity of soil types which is developed by complex of abiotic and biotic factors including mountain-valley landscapes and different climatic conditions. We found that there is a process of significant loss of humus content in almost all studied areas of the Issyk-Kul region, both in the upper and lower layers of the soil. The humus content has been significantly decreased in the upper layer of valley soils during the past four decades. Among them, mountain-valley chestnut and dark chestnut soils, represented in the Issyk-Kul region, showed themselves to be the most depleted. Here, the difference in humus content between the top arable and non-arable layers is 40%. More stable humus content is shown in the mountain light chestnut and mountain-valley light brown soils, presented in certain areas of the Ton, Ak-Suu and Tyup districts. Apparently significant decrease in the humus content in chestnut soils is associated with intensive long-term anthropogenic use, including non-compliance with agrotechnical standards.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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