重庆市武隆县粮食播种面积变化特征及其主要驱动因子识别

Grain Crops Sown Area Change and Its Main Driving Factor Identification in Wulong County of Chongqing

基于武隆统计年鉴和DEM数据,分析了武隆县粮食播种面积变化与高程、坡度、收入、人口和距县城距离间的关系。研究发现,武隆县粮食播种面积变化受高程和收入影响显著,而受坡度、人口、距县城距离影响较小。今后在分析山区的粮播面积问题时,可以参考武隆县的研究方法,从微观角度进行分析。

Based on the statistical yearbook and DEM data of Wulong County,the paper analyses the relationship between grain crops sown area change and elevation, income, slope, population and distance from the county. The study found thai grain crops sown area change are affected by elevation and income significantly, and it is less affected by slope, population and distance from the county in Wulong County. It is concluded that we can analyze grain crops sown area of mountain areas from microscopic an gle refer to Wulong county＇s research methods, this is also the research significance of this paper.