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引用本文:靳文娟,边振兴,魏忠义,王淑敏.沈阳城市周边耕地多功能评价[J].中国农业资源与区划,2019,40(5):166~173
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沈阳城市周边耕地多功能评价
靳文娟1, 边振兴1, 魏忠义1, 王淑敏2
1.沈阳农业大学土地与环境学院,辽宁沈阳110866;2.抚顺经济开发区国土资源局,辽宁抚顺113006
摘要:
[目的]为探索城市化影响下城市周边耕地多功能的现状,分析其空间差异,为耕地保护及城市周边耕地发展提供参考。[方法]从耕地的生产、生态、社会和景观4个功能出发构建评价指标体系,利用熵权法确定指标权重,加权求和法计算单一功能和多功能值,并用ArcGIS进行空间分析,对沈阳城市周边50个乡镇(街道)的耕地多功能性进行综合评价。[结果](1)沈阳城市周边耕地的多功能性空间差异较为明显。生产功能远郊平原区最强,远郊山区和近郊区较弱; 生态功能总体偏弱,个别乡镇较好; 距离城市越远,社会功能越强; 景观功能近郊区较强,远郊区较弱。(2)耕地的生态、社会和景观功能主要受距市中心距离的影响,生产功能受地形和距市中心距离的双重影响,而多功能则受地形、距市中心距离及各乡镇(街道)耕地主导功能等的综合影响。(3)沈阳城市周边的大多数耕地以农业生产为主导,景观文化功能整体相对较弱。近郊区耕地生态功能所占比重较大,但社会功能比重较小,远郊区则与之相反。[结论]沈阳城市周边耕地多功能性空间差异较为明显且不均衡,应科学规划城市周边耕地功能,优化空间布局,协调耕地各功能的关系,促进耕地多功能综合发展。
关键词:  耕地多功能评价熵权法空间差异沈阳市
DOI:
分类号:F3012
基金项目:
MULTI FUNCTIONAL EVALUATION OF CULTIVATED LAND IN PERI URBAN AREAS OF SHENYANG CITY
Jin Wenjuan1, Bian Zhenxing1, Wei Zhongyi1, Wang Shumin2
1.College of Land and Environment, Shenyang Agricultural University, Shenyang, Liaoning 110866, China;2.Land and Resources Bureau,Management Council of Fushun Economic Development Zone, Fushun, Liaoning 113006, China
Abstract:
This study aims to analyze the multi function situation and spatial pattern of the cultivated land around Shenyang city, so as to protect the cultivated land and provide reference for the development of cultivated land in peri urban areas. The evaluation index system was constructed based on the production function, ecology function, society function and landscape function of cultivated land. The weight of index was determined by entropy weight method. The single function and multi function value were calculated by the weighted summation method. The spatial pattern of functions was analyzed by ArcGIS. A comprehensive evaluation on multi function of cultivated land was carried out in 50 towns (streets) around Shenyang city. The evaluation results showed that (1) The spatial difference of multifunction of cultivated land were obvious around Shenyang city. The production function of cultivated land was the strongest in the farthest plain zone, but was relatively weak in the farthest and the nearest mountainous zone. The ecological function was faintish in most towns (streets), but few towns were preferable. The farther away from the city, the better the social function; The landscape function of cultivated land was stronger in the nearest zone and weaker in the farthest zone. (2) The ecological function, the social function and the landscape function of cultivated land mainly affected by the distance from the center of the city. The production function of cultivated land was affected by both the topography and the distance from the center of the city. The multi function of cultivated land were influenced by the topography, the distance from the center of the city and the main functions of cultivated land in single towns (streets). (3) Most cultivated land around Shenyang city were used to agricultural production, so the landscape function was relatively weak. The ecological function of cultivated land in the nearest zone was the main function, while the social function was weak. On the contrary, the social function was the main function in the farthest zone. The multi functional spatial pattern of cultivated land around Shenyang city was obvious and difference. It is necessary to scientifically plan the function of cultivated land, optimize its spatial distribution, coordinate the relationship between the each functions of cultivated land, in order to promote the multi functional development of cultivated land in peri urban areas of Shenyang city.
Key words:  cultivated land  multi functional evaluation  entropy weight method  spatial difference  Shenyang city
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