江苏省县域农田经济密度空间分异特征分析

发布时间：2018-05-28 14:56

  本文选题：江苏省 + 农田经济密度　； 参考：《江苏农业科学》2017年06期

【摘要】：基于江苏省县域单元2001—2011年的面板数据,运用Arc GIS空间分析技术,分析2011年江苏省县域农田利用经济效益的空间分布规律和地域差异,并利用泰尔指数和变异系数等区域差异统计方法分析10年间江苏省县域农田经济密度的动态差异特征。结果表明,(1)江苏省农田经济密度整体呈现不断上升趋势,截至2011年形成苏锡常高值连绵区和苏北个别县域高值区;(2)2001—2011年县域间农田经济密度动态差异呈现大幅度波动态势,但苏南、苏中、苏北3个区域间的区间差异始终处于波动性增大趋势,另外3个区域所辖县区的内部差异大小顺序为苏北苏中苏南;(3)2001—2011各县区农田经济密度相对发展速率变化幅度较大,整体顺序为苏南苏北苏中,10年间各县区发展速度是2011年现状形成的基础。研究县域农田经济密度空间演变及区域差异有利于苏南、苏中、苏北根据自身情况制定恰当的农业发展策略,为协调区域农业发展、制定农业产业政策提供依据。
[Abstract]:Based on the panel data of the county unit of Jiangsu province from 2001 to 2011, the spatial distribution rules and regional differences of the economic benefits of the farmland utilization in Jiangsu province in 2011 are analyzed by Arc GIS spatial analysis technology, and the dynamic density of farmland economic density in the county of Jiangsu province is analyzed by using the regional difference statistical methods, such as the Tel index and the coefficient of variation, and so on. The results show that (1) the overall farmland economic density in Jiangsu province is rising constantly. As of 2011, there was a high value area of Subei high value continuous zone and a few counties in Northern Jiangsu Province. (2) the dynamic difference of farmland economic density between counties in 2001 - 2011 showed a large amplitude wave dynamic potential, but the interval difference between the 3 regions of the northern Jiangsu Province, the middle of the Soviet Union and the northern Jiangsu Province began. In the end, the trend of fluctuation is increasing, the order of the internal difference between the counties under the jurisdiction of the other 3 regions is South of Jiangsu in Subei Jiangsu Province. (3) the relative development rate of farmland economic density varies greatly in 2001 to 2011 counties, the whole sequence is South of Jiangsu Subei Suzhou, and the development speed of each county area in the 10 years is the basis for the formation of the present situation in 2011. The spatial evolution of economic density and regional differences are beneficial to South of Jiangsu, Suzhou and North Jiangsu to formulate appropriate agricultural development strategies according to their own conditions, and provide the basis for the coordination of regional agricultural development and the formulation of agricultural industrial policies.
【作者单位】： 南京师范大学新型城镇化与土地问题研究中心;江苏省地理信息资源开发与利用协同创新中心;江苏省物质循环与污染控制重点实验室;
【基金】：国家自然科学基金(编号:41271189、40971105)
【分类号】：F323.211
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本文编号：1947151