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中国农学通报

中国农学通报 ›› 2010, Vol. 26 ›› Issue (1): 312-316.

所属专题： 耕地保护

• 三农研究 • 上一篇    下一篇

城市化进程与耕地变化协同性研究——以成都市为例

陈海军 邓良基 李何超 黄成毅   

  • 收稿日期:2009-09-22 修回日期:2009-10-07 出版日期:2010-01-05 发布日期:2010-01-05
  • 基金资助:

    国家“十一五”科技支撑计划重大项目

Research on Coordination Between the Urbanization Development and Cultivated Land Change in Chengdu City

  • Received:2009-09-22 Revised:2009-10-07 Online:2010-01-05 Published:2010-01-05

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摘要：

我国城市化进程已经进入加速发展阶段，城镇建设用地规模不断扩大，并已成为耕地面积减少的重要原因。本文基于成都市1978~2007年30年的统计数据，应用相关性分析法和协调度分析法分析了成都市城市化水平和耕地资源的变动情况，城市化水平与耕地变化的相关性，以及城市化水平与耕地资源的协调性。结果显示，30年间成都市城市化水平与耕地面积变化呈现出显著的负相关关系，城市化水平与耕地面积协调度呈阶段性分布，总体呈现出“调和和基本调和→不协调→调和和基本调和”的趋势。

关键词: 干酪乳杆菌, 干酪乳杆菌, 胞外多糖, 优化条件

Abstract:

China’s urbanization process has entered a accelerated development Stage,the scale of the urban construction site has extended,which is an important cause of the cultivated land has decreased.This paper analyzed the changes between the urbanization and the cultivated land resources, study the relation between the urbanization and cultivated land resources and the coordination relationship between urbanization and farmland area of Chengdu city from 1978 to 2007 based on statistical data. The result showed that there was reverse correlation between cultivated land area and urbanization leve1,the Coordinated index between urbanization and farmland area was a nonlinear relation in the past 30 years,the overall trend was”concessive and basically concessive→not concessive→concessive and basically concessive”.