Development of a protocol to identify land function based on multifunctionality and suitability analysis: A case study of the Nanyuntai Forest Farm,China |
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| Institution: | 1. College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China;2. Ecological Modelling Laboratory, Department of Physical & Environmental Sciences, University of Toronto, Toronto, Ontario M1C 1A4, Canada;1. State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou 311300, Zhejiang, China;2. Zhejiang Provincial Collaborative Innovation Center for Bamboo Resources and High-efficiency Utilization, Zhejiang A & F University, Lin''an 311300, Zhejiang, China;3. Key Laboratory of Carbon Cycling in Forest Ecosystems and Carbon Sequestration of Zhejiang Province, Zhejiang A & F University, Lin''an 311300, Zhejiang, China;1. College of Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, China;2. School of Water Conservancy & Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang 150030, China;1. Key Laboratory of Forestry Remote Sensing Based Big Data & Ecological Security for Hunan Province, Central South University of Forestry and Technology, Changsha 410004, China;2. Laboratory of Key Technologies of Digital Urban-Rural Spatial Planning of Hunan Province, College of Architecture & Urban Planning, Hunan City University, Yiyang 413000, China;3. Hunan Provincial Engineering Research Center of DongTing Lake Regional Ecological Environment Intelligent Monitoring and Disaster Prevention and Mitigation Technology, Hunan City University, Yiyang 413000, China |
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| Abstract: | Accurately identifying regional land functions is important for balancing and coordinating multiple ecosystem services. Identification of land functions should be guided by the ecological suitability analysis framework, highlighting the primary ecological function and considering the temporal and spatial trends of land functions to resolve the contradictions among various needs of land ecology, production, and life. Taking Nanyuntai Forest Farm in Lianyungang City, Jiangsu Province, as a case study, we used the Analytical Hierarchical Process to construct a systematic and complete land multi-function evaluation and spatial suitability evaluation system, and used the ArcGIS spatial analysis technology to analyze its land function changes from 2011 to 2021. Finally, the results of multifunctionality and suitability analysis were integrated to identify the land's ecological, production, and living functions by constructing the algorithm using Python. Our results showed that the proportions of ecological, production, and living functions of the land in the study area were 56.82, 34.03, and 9.15%, respectively. This study highlighted that the results of land function identification based on comprehensive land-change-trend and spatial suitability analyses were more precise and coordinated. This comprehensive evaluation is a valuable and practical method for decision-makers and land managers to create land use maps and determine high-priority areas that require conservation measures for sustainable management. Moreover, this approach can be practically applied to other planning units. |
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