1.青海民族大学 土木与交通工程学院, 青海 西宁 810007
2.青海省教育厅重点;实验室 高原能源与环境工程实验室,青海 西宁 810007
3.西北农林科技大学 水土保持科学与;工程学院, 陕西 杨凌 712100
4.中国科学院 水利部 水土保持生态工程技术研究中心, 陕西 杨凌 712100
朱安京(2004—),男(汉族),河北省衡水市人,硕士研究生,研究方向为水土保持工程。Email:zaj_0728@163.com。
李文证(1991—),男(汉族),河南省兰考县人,博士,副教授,主要从事高寒区水土保持工程研究。Email:lwz_0512@163.com。
收稿:2025-04-28,
修回:2025-07-22,
纸质出版:2025-12-10
移动端阅览
朱安京, 吴幽, 李文证.青海省2004—2023年水土流失变化及其驱动力[J].水土保持通报,2025,45(6):181-189.
Zhu Anjing, Wu You, Li Wenzheng. Soil erosion changes and driving factors in Qinghai Province from 2004 to 2023 [J]. Bulletin of Soil and Water Conservation,2025,45(6):181-189.
朱安京, 吴幽, 李文证.青海省2004—2023年水土流失变化及其驱动力[J].水土保持通报,2025,45(6):181-189. DOI: 10.13961/j.cnki.stbctb.2025.06.004. CSTR: 32312.14.stbctb.2025.06.004.
Zhu Anjing, Wu You, Li Wenzheng. Soil erosion changes and driving factors in Qinghai Province from 2004 to 2023 [J]. Bulletin of Soil and Water Conservation,2025,45(6):181-189. DOI: 10.13961/j.cnki.stbctb.2025.06.004. CSTR: 32312.14.stbctb.2025.06.004.
目的
2
系统分析青海省2004—2023年水土流失变化趋势及驱动因素,为高寒区水土保持提供科学依据。
方法
2
采用相关分析及马尔科夫转移矩阵,研究了青海省水土流失面积的变化趋势及其与治理资金投入、水土保持监督管理、各类治理措施的治理面积等因素的关系。
结果
2
2004—2023年,青海省水土流失面积从2.04×10
5
km
2
下降到1.59×10
5
km
2
,中度侵蚀面积占比从22.5%减小到11.4%,强烈及以上侵蚀面积占总侵蚀面积的比例从37.2%减小到17.0%。加大治理资金投入、加强监督管理是水土流失面积减少的主要驱动力。
结论
2
青海省水土流失治理呈现显著改善趋势,水土流失面积逐年减少,但仍存在亟待解决的问题;水土保持工作逐渐从全域性粗放治理转向重点区域精准治理。今后工作的重点是风力侵蚀和轻度侵蚀区域的治理,同时巩固治理成果,防止轻度侵蚀向强烈侵蚀发育,建立水土保持生态产品价值实现机制,实现水土流失治理工作可持续发展。
Objective
2
The trend of soil erosion in Qinghai Province from 2004 to 2023 and its driving factors were systematically analyzed, in order to provide a scientific basis for soil and water conservation in alpine regions.
Methods
2
By analyzing the soil erosion situation and conservation efforts in Qinghai Province from 2004 to 2023, and using correlation analysis, this study identified the changing trend of soil erosion area in Qinghai Province and its relationship with factors such as investment in soil and water conservation, supervision and management efforts, and the area treated by various control measures.
Results
2
The area of soil erosion in Qinghai Province decreased from 2.04×10
5
km
2
in 2004 to 1.59×10
5
km
2
in 2023. The proportion of moderately eroded area decreased from 22.5% to 11.4%, and the proportion of severely and above eroded area of the total eroded area decreased from 37.2% to 17.0%. Increasing investment in soil and water conservation funds and strengthening supervision and management were the main driving forces for the reduction of soil erosion area.
Conclusion
2
Overall, soil erosion control in Qinghai Province has shown a significant improving trend, with the soil erosion area decreasing year by year. However, there are still problems that need to be addressed. Soil and water conservation efforts have gradually shifted from generalized and extensive management across the entire region to targeted management in key areas. Future work will focus on regions affected by wind erosion and mild erosion. Additionally, the achievements of the control efforts will be consolidated, and the progression from mild erosion to severe erosion will be prevented. The establishment of a value realization mechanism of soil and water conservation ecological products should be accelerated, and the sustainable development of soil erosion control efforts should be established.
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