Objective The spatiotemporal evolution of land use and ecosystem service value in the Yellow River basin was analyzed and simulated in order to provide scientific support for ecological protection and high-quality development of the basin. Methods Taking the Inner Mongolia section of the Yellow River basin as the research object, and based on land use data from 1990 to 2023, a multi-dimensional analysis method was adopted. By combining land use dynamic changes with the spatial transfer matrix, the regional ecosystem service value (ESV) was quantified using the value equivalent assessment system, and the interaction between different land use types and ESV was revealed through the ecological contribution rate. Meanwhile, the intPLUS model was used to simulate the land use pattern and ESV evolution trend under four scenarios in 2035: natural development, cultivated land protection, ecological protection, and urban development. Results ① Grassland and unused land were the main land use types in the Inner Mongolia section of the Yellow River basin. The areas of construction land and forestland increased continuously, while the areas of unused land, cultivated land, and water bodies showed a decreasing trend. The total area of land use type conversion reached 47 272.91 km². The land use types with the strongest outward transfer were water bodies, forestland, and construction land, while grassland had the largest inward transfer. ② From 1990 to 2023, the ESV in the study area decreased slightly by 0.85%, with grassland as the core contribution type. Spatially, it showed a pattern of “high in the northeast and low in the west”, and the spatial agglomeration of high-value and low-value areas of ESV change rate was obvious in each stage. ③ Among the four scenario simulations for 2035, only the ecological protection scenario could achieve ESV growth, while the ESV loss was the most significant under the urban development scenario. The change in grassland ESV dominated the overall trend. Conclusion The optimal development path in 2035 is to adhere to ecological priority, strictly control the disorderly expansion of urban areas, promote the restoration of core ecological land such as grassland, and realize the coordinated development of land use allocation and ecological protection.
文献参数: 蒙苏迪, 赵红霞.黄河流域内蒙古段土地利用和生态系统服务价值时空演变及模拟预测[J].水土保持通报,2026,46(3):342-356. Citation:Meng Sudi, Zhao Hongxia. Spatiotemporal evolution and simulation prediction of land use and ecosystem service value in Inner Mongolia section of Yellow River basin [J]. Bulletin of Soil and Water Conservation,2026,46(3):342-356.
生态系统服务(ecosystem services, ES)是自然生态系统依托自身结构、过程与功能为人类提供的各类惠益,而生态系统服务价值(ecosystem service value, ESV)则是对这类惠益的经济量化表达,其动态演变与人类生存发展福祉直接相关[1]。土地利用变化(land use/cover change, LUCC)作为驱动ESV演变的核心因子,二者存在复杂的耦合反馈关系。一方面,LUCC借助调整生态系统的空间结构,对气候调节、水文循环、土壤养分循环等核心生态过程产生影响,使ES的供给水平发生变化[2-3];另一方面,ESV的变化会通过反馈机制影响土地利用的效率,从而限制或引导土地利用结构的调整。LUCC和ESV之间的相互作用关系已经受到学界的广泛关注[4]。因此,量化LUCC过程中ESV的时空分异特征,揭示二者相互作用机理,引入相互作用网络-斑块生成土地利用模拟软件模型(intPLUS模型)解析预测,探索未来情景下ESV的演变趋势,是优化国土空间规划,制定差异化生态保护策略,构建区域生态安全格局的关键科学基础。
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