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Combining Analytical Hierarchy Process and Agglomerative Hierarchical Clustering in Search of Expert Consensus in Green Corridors Development Management

Author

Listed:
  • Aviad Shapira

    (Technion-Israel Institute of Technology, Faculty of Civil and Environmental Engineering)

  • Maxim Shoshany

    (Technion-Israel Institute of Technology, Environmental and Hyper-Spectral Remote Sensing Laboratory, Faculty of Civil and Environmental Engineering)

  • Sigal Nir-Goldenberg

    (Urbanics Ltd.-Planning, Economics, Environment)

Abstract

Environmental management and planning are instrumental in resolving conflicts arising between societal needs for economic development on the one hand and for open green landscapes on the other hand. Allocating green corridors between fragmented core green areas may provide a partial solution to these conflicts. Decisions regarding green corridor development require the assessment of alternative allocations based on multiple criteria evaluations. Analytical Hierarchy Process provides a methodology for both a structured and consistent extraction of such evaluations and for the search for consensus among experts regarding weights assigned to the different criteria. Implementing this methodology using 15 Israeli experts—landscape architects, regional planners, and geographers—revealed inherent differences in expert opinions in this field beyond professional divisions. The use of Agglomerative Hierarchical Clustering allowed to identify clusters representing common decisions regarding criterion weights. Aggregating the evaluations of these clusters revealed an important dichotomy between a pragmatist approach that emphasizes the weight of statutory criteria and an ecological approach that emphasizes the role of the natural conditions in allocating green landscape corridors.

Suggested Citation

  • Aviad Shapira & Maxim Shoshany & Sigal Nir-Goldenberg, 2013. "Combining Analytical Hierarchy Process and Agglomerative Hierarchical Clustering in Search of Expert Consensus in Green Corridors Development Management," Environmental Management, Springer, vol. 52(1), pages 123-135, July.
    • Handle: RePEc:spr:envman:v:52:y:2013:i:1:d:10.1007_s00267-013-0064-2
    DOI: 10.1007/s00267-013-0064-2
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