测绘通报 ›› 2025, Vol. 0 ›› Issue (5): 47-54.doi: 10.13474/j.cnki.11-2246.2025.0508

• 生态全要素监测与分析 • 上一篇    

2000—2023年库布齐沙漠地区荒漠化演变及其驱动力研究

左韬1,2, 左合君1,2,3, 闫敏1,2,3, 席成1,2, 燕宇1,2   

  1. 1. 内蒙古农业大学沙漠治理学院, 内蒙古 呼和浩特 010018;
    2. 内蒙古自治区风沙物理与防沙治沙工程重点实验室, 内蒙古 呼和浩特 010018;
    3. 内蒙古杭锦荒漠生态系统国家定位观测研究站, 内蒙古 鄂尔多斯 017400
  • 收稿日期:2024-10-12 发布日期:2025-06-05
  • 通讯作者: 左合君。E-mail:zuohj@126.com
  • 作者简介:左韬(2000—),男,硕士生,主要从事水土保持与荒漠化防治方面的研究。E-mail:zt15661275100@qq.com
  • 基金资助:
    内蒙古自治区“揭榜挂帅”项目(2024JBGS0019);内蒙古自治区研究生科研创新项目(KC2024024S);荒漠化防治与沙区资源保护利用创新团队(BR241301);沙漠沙地生态保护与治理技术创新团队项目(NMGIRT2408)

Study on the evolution and driving force of desertification in Kubuqi Desert from 2000 to 2023

ZUO Tao1,2, ZUO Hejun1,2,3, YAN Min1,2,3, XI Cheng1,2, YAN Yu1,2   

  1. 1. College of Desert Management, Inner Mongolia Agricultural University, Hohhot 010018, China;
    2. Inner Mongolia Key Laboratory of Aeolian Physics and Desertification Control Engineering, Hohhot 010018, China;
    3. Inner Mongolia Hanggin Desert Ecosystem Positioning Research Station, Ordos 017400, China
  • Received:2024-10-12 Published:2025-06-05

摘要: 库布齐沙漠东西跨度较大,自然环境差异明显,为明确东西部荒漠化主导驱动因子是否一致,本文利用2000—2023年覆盖库布齐沙漠的6期Landsat TM/OLI卫星影像,对库布齐沙漠地区荒漠化程度进行提取,并通过景观格局变化和地理因子探测器,解释其变化规律和主导驱动因子。结果表明:2000—2023年库布齐沙漠荒漠化程度在时间上呈降低趋势,空间上呈“西高东低”的分布趋势,准格尔旗、达拉特旗和杭锦旗境内荒漠化均得到改善;全域极重度、轻度荒漠化斑块边界趋于平滑和规则,重度、中度和非荒漠化斑块边界趋于复杂和不规则,优势景观正在从重度和极重度荒漠化向轻度和非荒漠化转移;人为因素对库布齐沙漠全域土地荒漠化影响较大,其中,土地利用类型、降水量、风速及牲畜数为影响该地区荒漠化的主导因子。达拉特旗及杭锦旗主导驱动因子与全域一致,准格尔旗范围内,土地利用类型、降水量、相对湿度和牲畜数为主导驱动因子。

关键词: 库布齐沙漠, 荒漠化, 景观格局指数, 驱动力, 地理因子探测器

Abstract: The Kubuqi Desert has a large span in the east and west, and the natural environment is obviously different. In order to clarify whether the dominant driving factors of desertification in the east and west are consistent, this paper uses six Landsat TM/OLI satellite images covering the Kubuqi Desert from 2000 to 2023 to extract the degree of desertification in the Kubuqi Desert, and explains its changing rules and dominant driving factors through landscape pattern changes and geographical factor detectors.The results showed that the desertification degree of Kubuqi Desert showed a decreasing trend in time from 2000 to 2023, and the spatial distribution trend was “high in the west and low in the east”. The desertification in Jungar Banner, Dalad Banner and Hangjin Banner was improved. The boundary of extremely severe and mild desertification patches tends to be smooth and regular, and the boundary of severe, moderate and non-desertification patches tends to be complex and irregular. The dominant landscape is shifting from severe and extremely severe desertification to mild and non-desertification.Human factors have a great influence on the desertification of the whole Kubuqi Desert, among which land use type, precipitation, wind speed and livestock number are the dominant factors affecting desertification in this area. The dominant driving factors of Dalad Banner and Hangjin Banner are consistent with the whole region. Within the scope of Jungar Banner, land use type, precipitation, relative humidity and livestock number are the dominant driving factors.

Key words: Kubuqi Desert, desertification, landscape pattern index, driving force, geographical factor detector

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