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基于全排列多边形图示法的湖南省耕地多功能强度与协调度研究
曾福生, 胡玄超
湖南农业大学 经济学院, 湖南 长沙 410128
摘要:
[目的] 探究湖南省耕地多功能综合强度与协调度,为该省提高耕地多功能管理水平提供科学参考。[方法] 采用全排列多边形图示法和系统聚类方法对2018年湖南省各县(区)的耕地多功能强度和协调度进行测算。[结果] ①湖南省各县(区)耕地多功能综合强度由湘西北部向湘中部、湘东南部弱化,多功能协调度由湘西部到湘中部再到湘东部先增强后减弱。②基于各单元单项功能强度,湖南省各县(区)耕地多功能呈现出5类发展模式:多功能弱协调模式、多功能协调模式、多功能强协调模式、生态优先型发展模式、社会主导型发展模式。空间上呈现出从湘西至湘中、湘东部地区,耕地多功能发展模式由生态优先型发展模式向多功能弱协调、多功能协调转换,最终又转变为耕地多功能弱协调发展模式。[结论] 研究结果与湖南省实施的“一圈一区两带”农业战略格局相符,能够比较客观地反映湖南省耕地多功能的空间状况。
关键词:  耕地多功能  强度与协调度  生态恢复功能  全排列多边形图示法  湖南省
DOI:10.13961/j.cnki.stbctb.20210603.001
分类号:F301.21
基金项目:湖南省社科基金重大项目“日韩台农业现代化与湖南之比较研究”(19ZWA03)
Multi-functional Intensity and Coordination Degree of Cultivated Land in Hu'nan Province Based on Method of Entire Array Polygon Diagram
Zeng Fusheng, Hu Xuanchao
Economic College, Hunan Agricultural University, Changsha, Hu'nan 410128, China
Abstract:
[Objective] The multi-functional intensity and coordination of cultivated land in Hu’nan Province were analyzed to provide a reference for improving the multi-functional management level of cultivated land. [Methods] The multi-functional intensity and coordination of cultivated land in each county of Hu’nan Province in 2018 were calculated by using the entire-array-polygon diagram method and the systematic clustering method. [Results] ① The multi-functional comprehensive intensity of cultivated land in each county of Hu’nan Province weakened from the northwest to the central, and to the southeast areas, while the multi-functional coordination increased first, and then weakened from the west to the centre, and to the east of Hu’nan Province. ② Based on the individual functional intensity of each unit, the multi-functional development mode of cultivated land in each county of Hu’nan Province showed five types of development mode: multi-functional weak coordination mode, multi-function coordination mode, multi-functional strong coordination mode, ecological priority development mode, and social-led development mode. Spatially, from the west to the central and east areas of Hu’nan Province, cultivated land multi-functional development model changed from ecological priority development model to multi-functional weak coordination, multi-functional coordination transformation, and finally into cultivated land multi-functional weak coordinated development mode. [Conclusion] The results of the study are in line with the agricultural strategic pattern of “one circle, one district, two zones” implemented in Hu’nan Province, and can reflect the multi-functional spatial condition of cultivated land in Hu’nan Province objectively.
Key words:  cultivated land multi-function  entire-array-polygon diagram method  intensity and coordination  ecological restoration function  Hu’nan Province