Төв суурин газрын хөрсний элэгдлийг хөрсний шинж чанарын өөрчлөлтөөр тодорхойлох нь. (Mongolian)

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    • Alternate Title:
      Estimating soil erosion in urban areas by changes in soil properties. (English)
    • Abstract:
      Soil erosion is mainly caused by anthropogenic activities and has been intensified in urban areas, where there are high population densities, industries, and constructions. In this study, we aimed to assess soil erosion in urban areas by examining changes in organic content, texture, and pH values of the soil. We collected soil samples from ten settlements of Bayankhongor Province and used a weather station site with fences as a control site. The findings revealed that there are substantial variations in the organic content of the soil. In comparison with the control site, organic content decreased and it was 10.6% in the provincial center, Bayankhongor, and <10% in Gurvanbulag, Khureemaral, Bombuger, Bogd, and Bayanlig soums. Loss of organic content was 21.2% in Khureemaral, while a steep decline was observed in some areas and it was 53.9% in Galuut, 49.3% in Jargalant, and 61.1% in Baatsagaan. The average organic content of the soil in the sampled sites was found to be 23% lower than in the control site. Analysis of the soil texture revealed that the study sites have sandy loam, loamy sand, and loam-textured soil. In comparison to the control area, the fine particles such as dust and clay increased whereas, the proportion of sand increased in the soil of urban areas. Regarding the pH, the average pH in the urban area was 8, while it was slightly lower in the control area with a value of 7.82. The pH value varied across areas, with some areas increasing, while others decreasing, and some remaining unchanged, and no statistically significant differences were observed. In conclusion, our study exhibited the efficacy of relying on multiple properties of soil to assess soil erosion. [ABSTRACT FROM AUTHOR]
    • Abstract:
      Copyright of Mongolian Journal of Geography & Geoecology is the property of Mongolian Academy of Sciences, Institute of Geography & Geoecology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)