How Ecological Compensation Reshapes Ecosystem Service Trade-Offs and Synergies: A Multi-Scale Analysis of the Miyun Reservoir Basin (2010-2023)
文献类型: 外文期刊
作者: Zhang, Liwen;Zheng, Haixia;Bi, Jieying;Zhang, Xuebiao
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关键词: ecosystem services;ecological compensation;trade-offs and synergies;land use change;watershed management;scale effect
期刊名称: LAND
ISSN:
年卷期: 2025 年 14 卷 12 期
页码:
收录情况: SSCI(2025版)
摘要: Understanding how ecological compensation policies reshape ecosystem service (ES) interactions is critical for sustainable watershed management. Using the Miyun Reservoir Basin in northern China as a case study, we examined the dynamic changes in land use, provision of ES, and their trade-offs and synergies (TOS) from 2010 to 2023. Four ES-food production (FP), water yield (WY), nutrient retention (nitrogen and phosphorus, NR and PR), and soil retention (SR)-were quantified using the InVEST model. Spearman's rank correlation was employed to assess TOS at 1 km, 3 km, and township-level administrative units, and geographically weighted regression (GWR) was applied to explore spatial heterogeneity of ES TOS. Results show: (1) Land use change reflected ecological restoration efforts, with cropland decreasing by 1.69% and forest expanding by 2.16%. (2) ES exhibited spatial heterogeneity; regulating services (WY, NR, PR, SR) improved substantially after 2018, while the FP centroid shifted from downstream to upstream areas. (3) Before 2018, FP showed strong trade-offs with regulating services; following intensified policy implementation, these relationships transformed into synergies. (4) Scale effects were evident: grid-scale TOS were stable, while township-level interactions weakened due to administrative aggregation. Overall, ecological compensation reduced ES trade-offs and enhanced synergies, supporting ecological protection in key water source areas while highlighting the need for performance-based policy refinement.
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