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Impacts of human appropriation of net primary production on soil retention service: A case study of an ecological-resettlement village in the Tibetan Plateau

Author

Listed:
  • Yu, Muliang
  • Li, Zhennan
  • Wu, Junxi
  • Pan, Ying
  • Liu, Yuejun
  • Zhang, Yanjie

Abstract

Quantifying the impacts of human activities on ecosystem services is crucial for promoting sustainable development of land resources and ecosystems. Therefore, taking an ecological resettlement village as a case study, we assessed human appropriation of net primary production (HANPP) and soil retention service (SRS) under different resettlement scenarios from 2014 to 2050. Moreover, we incorporated HANPP into the estimation of SRS to quantify its impact. Additionally, we analyzed the impact of HANPP and climate factors on SRS using generalized additive models and piecewise linear regression to explore the sustainable threshold at which HANPP influences SRS. The results revealed that, following resettlement from 2014 to 2050, both HANPP and soil loss caused by HANPP exhibited increasing trends, while SRS showed a declining trend. Among the three resettlement scenarios, the natural grassland scenario exhibited the highest HANPP, the highest soil loss caused by HANPP, and the lowest SRS. When the HANPP rate exceeded 38.9 %, its impact on SRS surpassed that of climatic factors, becoming the dominant factor influencing SRS. Furthermore, the decline in SRS accelerated significantly with further increases in HANPP, suggesting a sustainable threshold. This research advances understanding of the impacts of human activities on ecosystem services and has significant implications for the sustainable development of land resources and ecosystems.

Suggested Citation

  • Yu, Muliang & Li, Zhennan & Wu, Junxi & Pan, Ying & Liu, Yuejun & Zhang, Yanjie, 2025. "Impacts of human appropriation of net primary production on soil retention service: A case study of an ecological-resettlement village in the Tibetan Plateau," Land Use Policy, Elsevier, vol. 156(C).
    • Handle: RePEc:eee:lauspo:v:156:y:2025:i:c:s0264837725001401
    DOI: 10.1016/j.landusepol.2025.107606
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