科尔沁沙地南缘的章古台地区耕地变化动态及驱动因素分析

Analysis of Cultivated Land Dynamic Changes and Driving Forces at Zhanggutai Town in Horqin Sandy Land

基于研究区的统计资料,应用数理统计方法,对研究区的耕地变化动态及其驱动因素做了分析,结果表明:耕地总面积处于增加状态,29年来增加了32.95%,人均耕地面积增加了6.01%;耕地与其他地类之间转化明显,1980年的耕地仅有57.15%保留至2009年,部分耕地存在退化现象;耕地变化的两个主要驱动因素为人口和社会经济发展,其中人口的影响最大,其次是人均工农业收入、GDP和社会固定资产总投资。

Based on statistics of the study area,with the help of mathematical statistics methods,the cultivated land dynamic changes and driving factors was analyzed,the results showed that：During 29 years,the total area of cultivated land increased by 32.95,per capita cultivated land area increased by 6.01%.Only 57.15 percent of cultivated land reserved to 2009,and there is some land degradation.The two main drivers of cultivated land changes are population and socio-economic development,the population most affected,followed by industrial and agricultural income per capita,GDP and total investment in fixed assets.