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The Qinghai-Tibet Plateau is an important ecological function area in the world, but its ecosystem is very fragile owing to the alpine environment. Owing to varying landforms exhibiting significant spatial differences in terms of temperature, light, soil and water conservation capacity, topography largely determines the spatial distribution of ecosystem services in areas with complex natural conditions. Studying the impact of topography on ecosystem services is important for efficient land use and ecosystem management. However, the effects of topography on ecosystem services have rarely been studied in the Qinghai-Tibet Plateau. In this study, using land use data from 1980, 1990, 2000, 2010, and 2020, the ecosystem services value (ESV) of the Qinghai-Tibet Plateau was estimated, and its spatiotemporal variation characteristics were analyzed using the ESV equivalent factor method. Spatial autocorrelation was …