农业集聚度变动特征及其与农业经济增长的关系——我国12类农作物空间布局变化的实证检验

Degree of agriculture concentration and agricultural economic growth:Empirical test spatial layout changes of 12 types of crops in China

本研究利用空间基尼系数和区位熵等指标分析了我国农业集聚度时空变动态势,实证检验了农业集聚度与农业经济增长之间的关系。结果显示,1985—2011年我国农业空间基尼系数、区位熵呈现波浪型上升趋势,说明我国主要农作物整体的集聚度呈现波浪型上升变化,表明以市场为导向的主要农作物专业化程度在提升。但不同农作物之间的空间集聚变动存在明显差异;农作物空间集聚度与农业经济增长之间存在较显著的正相关关系,表明农业产业集聚的提高带来了区域农业经济的增长,农业产业集群为农业和农村经济发展创造巨大的竞争优势。

Abstract This paper,using space Gini coefficient and location quotient,analyzed the trend of the degree of China's agricultural concentration,and empirically analyzed the relationship between agriculture concentration degree and agricultural economic growth.The results showed:China's agricultural space Gini coefficient and location entropy appeared wavy upward trend from 1985 to 2011,and explained that China's overall agricultural agglomeration showing wavy increased trend.Results also indicated that specialization degree of the market-oriented major crops is improving,but the spatial layout of the various crops exist self-evident differences.It was found that there was a strong positive correlation between the performance of key crops spatial concentration degree and agricultural economic growth.Based on the calculation,we suggested that the improvement of agricultural cluster brings regional agricultural economic growth,aqriculture industry cluster create huge competitive advantage for agricultural and rural economic development.