基于GIS的耕地利用动态变化分析——以四川省崇州市为例

Analysis on the Dynamic Change of Farmland Use Based on GIS

根据崇州市土地利用现状变更资料,利用GIS技术,对该市2006～2010年末的空间数据进行了统计分析,阐述了该市5年以来耕地动态变化的趋势,特点及原因。结果显示:崇州市2006～2008年耕地有所增加,主要原因是耕地保护措施的加强,以及未利用地和草地转换为耕地,从2009年开始,耕地减少较多,主要原因是城市化水平的加剧,以及土地利用结构的调整。

According to data of land use change in Chongzhou City,the spatial data during 2006-2010 was analyzed with GIS,and the dynamic change trend,characteristics and causes of the farmland change during the five years were introduced.As indicated by the results,the farmland area in Chongzuo increased during 2006-2008,due to the strengthening of the farmland protection measures,as well as the conversion of the unused lands and grasslands to cultivated land,but the farmland area started to decrease in 2009,due to the aggravation of urbanization level and the adjustment of land use structure.