| Summary: | Effective management of environmental resources and energy demands optimal land use, which is a crucial issue in environmental planning and assessment nowadays. This paper proposes a method for optimal land use in the Xishuangbanna Prefecture, with three objectives (maximum economic efficiency, ecological efficiency, and land compactness) and corresponding constraints according to the development needs and environmental resources characteristics. The multi-objective optimization algorithm (improved NSGA-II) is used to explore a set of solutions for land use optimization in which all objectives are optimal and weighed. Among them, representative solutions are selected (the no-preference solution and the solutions in which each of the three objectives prevails). After optimization, a comprehensive evaluation model is established to further assess representative solutions based on the analytic hierarchy process, which has good adaptability and flexibility for different decision orientations. The paper provides decision support for land use planning and assessment in the Xishuangbanna Prefecture and can be extended to other regions.
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