摘要
以1999~2008年的统计资料为基础,分析了岑巩县10年间耕地数量变化特点。通过主成分分析法,对引起耕地数量变化的驱动力进行了研究。结果表明,人口增长、经济增长以及农业科技进步是影响岑巩县耕地数量变化的三大驱动力。
This paper analyzed the characteristics of the variation of cultivated land quantity in Cengong County based on the statistical data from 1999 to 2008.The driving forces which caused the variation of cultivated land quantity were also studied through the method of principal component.The results indicated that three important driving forces included population growth,economic development and the agricultural technology improvement.
出处
《安徽农业科学》
CAS
北大核心
2011年第13期7870-7871,7988,共3页
Journal of Anhui Agricultural Sciences
关键词
耕地数量变化
驱动力
主成分分析法
岑巩县
Variation of cultivated land quantity
Driving forces
Method of principal component
Cengong County