[1]GONG Yuan,LI Feixue,WANG Liyan,et al.Studies on Spatial Optimization Allocation of Cultivated Land—Taking Xinbei District, Changzhou City as the Example[J].Research of Soil and Water Conservation,2016,23(04):199-205.
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Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
23
Number of periods:
2016 04
Page number:
199-205
Column:
Public date:
2016-04-28
- Title:
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Studies on Spatial Optimization Allocation of Cultivated Land—Taking Xinbei District, Changzhou City as the Example
- Author(s):
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GONG Yuan1,2, LI Feixue1,2, WANG Liyan1,2, JIANG Penghui1,2, HUANG Qiuhao1,2, LI Manchun1,2
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1. School of Geographic and Oceanographic Sciences, Nanjing University, Nanjing 210023, China;
2. Jiangsu Provincial Key Laboratory of Geographic Information Science and Technology, Nanjing 210023, China
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- Keywords:
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cultivated land; spatial optimal allocation; grey correlation degree; TOPSIS; Xinbei District
- CLC:
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F321.1
- DOI:
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- Abstract:
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The optimal allocation of cultivated land plays a key role in alleviating the contradiction between the urban construction land expansion and cultivated land protection, which is one of important issues for the process of national land and resources development. Taking Xinbei District,Changzhou City, as a case study, we constructed a comprehensive evaluation system of cultivated land protection value from the perspectives of natural endowments, quality condition of cultivated land, spatial pattern, site conditions and planning and forecasting results. Then, based on the results from standardizing 18 index values with S type fuzzy membership function, the optimal allocation of cultivated land was explored by combining with grey correlation model and the ideal point method. The cultivated land in the research area was divided into five parts by depending on the principle of maximum similarity. And the predictive value of the demand for cultivated land in Xinbei District in 2020 was set as the threshold value to determine the optimal distribution for cultivated land. The results show that the number of the cultivated land of the first four ranks exceeded 10 679.93 hm2, the simulation value of the demand of cultivated land of Xinbei District in 2020, so the corresponding cultivated land was regarded as the best area of cultivated land. Chunjiang Town and Menghe Town are the key areas of cultivated land protection because of their large areas or superior quality.