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Landscape functional zoning at a county level based on ecosystem services bundle: Methods comparison and management

Yanxu Liu1, Tong Li1, Wenwu Zhao1

  • 1State Key Laboratory of Earth Surface Processes and Resource Ecology, Faculty of Geographical Science, Beijing Normal University, 100875 Beijing, China.

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|August 24, 2019
PubMed
Summary

This study evaluated clustering algorithms for landscape functional zoning using ecosystem services bundles. The Natural Breaks (Jenks) scheme proved most effective for landscape management and planning.

Keywords:
Classification algorithmCounty levelEcosystem servicesLandscape functional zoneRural restructuring

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Area of Science:

  • Ecology
  • Environmental Science
  • Geographic Information Systems

Background:

  • Ecosystem services bundles are crucial for landscape management but their spatial clustering efficiency across diverse regions remains unclear.
  • Landscape functional zoning aims to map ecosystem service relationships and guide spatial management strategies.
  • Understanding the performance of different clustering algorithms is essential for effective landscape zoning.

Purpose of the Study:

  • To assess the efficiency of various clustering algorithms for landscape functional zoning.
  • To identify the most suitable zoning scheme for ecosystem services bundles (carbon sequestration, soil retention, water yield).
  • To propose landscape functional zoning as a practical tool for landscape planning and rural reconstruction.

Main Methods:

  • Formed ecosystem services bundles based on carbon sequestration, soil retention, and water yield.
  • Applied six clustering algorithms to perform landscape functional zoning.
  • Evaluated algorithm performance using four landscape pattern indices across three Chinese counties (Lankao, Jinggangshan, Luquan).

Main Results:

  • The Natural Breaks (Jenks) scheme demonstrated the most reasonable zoning due to high aggregation and low diversity.
  • The Jenks scheme, adjusted with other methods, resulted in 7 distinct zoning types.
  • The number of zoning types varied by county: 5 in Lankao and Jinggangshan, 6 in Luquan.

Conclusions:

  • Landscape functional zoning, informed by ecosystem services bundles, serves as a vital link between landscape planning and social policy.
  • This zoning approach can guide rural reconstruction, bridging human wellbeing with landscape management.
  • The proposed method offers interdisciplinary support for decision-makers and natural resource users in landscape management.