Spatial and Temporal Evolution Pattern of Water Conservation Function of Ningxia Province and Its Attribution Analysis

• Published in: Shui tu bao chi xue bao Vol. 39; no. 2; pp. 191 - 199
• Main Authors: WANG Peng, MA Yilun, CHENG Jing, XU Mingxiang, SU Shengliang, PU Yong, HAN Lei, YANG Fang
• Format: Journal Article
• Language: Chinese
• Published: Editorial Department of Journal of Soil and Water Conservation 01.04.2025
• Subjects: geographical detector; invest model; ningxia; spatial and temporal evolution pattern; water conservation
• ISSN: 1009-2242
• DOI: 10.13870/j.cnki.stbcxb.2025.02.029

［Objective］ To assess the water conservation capacity of the upper Yellow River region, and to provide a scientific basis for the ecological protection and high-quality development of the Yellow River basin. ［Methods］ Taking Ningxia Province as a case area, the spatial and temporal evolution trend of the water conservation capacity of Ningxia Province from 1990 to 2020 was calculated based on the InVEST model, the Hurst index and the geodetector model, and its key influencing factors were identified. ［Results］ The land use pattern of Ningxia Province changed significantly, except for the unused land, all other land use types showed different degrees of increasing trends. The water conservation volume of Ningxia showed an increasing trend from 1990 to 2020, with an increase of about 0.009 mm/a. The spatial distribution pattern of the water conservation capacity showed a trend of “low in the north and high in the south”, and had a significant spatial clustering characteristic. The change of water conservation f