Abstract
Changes in land use and human interference influence the structures of space use and ecological processes. Since 1990, the ecosystem service value (ESV) of the Dongliao River Basin (DRB) has undergone remarkable temporal and spatial changes. However, the response of ESV to production-living-ecological space (PLES) changes in the DRB remains controversial. In the present study, multi-source data and cluster analysis methods were employed to assess and analyze the patterns and spatial differences of the ESV of the DRB from 1990 to 2018 at a 30-m scale. An increase in the ESV of 149.61 million yuan was found for the DRB; this increase was mainly caused by the reduction of production space and the expansion of ecological space. The ecological space increased from 19.25% in 1990 to 21.59% in 2018, while production space decreased from 75.26% to 71.77%. The high-high clustering area impacting the ESV was mainly distributed in the middle and southeast of the DRB. Furthermore, the causes of the spatial and temporal changes in the ESV were used to provide a scientific basis for decision makers to scientifically manage spatial resource allocation in river basins.
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