摘要
以1988~2007年的统计资料为基础,分析了现阶段河南省耕地变动特点,并通过主成分分析,对引起耕地变化的驱动力进行了研究。结果表明,经济发展、人口增长和农业科技进步是影响河南省耕地数量变化的3大驱动因素。
Based on the statistical data from 1988 to 2007, the change characteristics of cultivated land in Henan Province at present were analyzed. And the driving forces that caused the cultivated land changes were studied by using principal component analysis. The research results indicated that the economic development, population growth and agricultural scientific and technological progress were three driving factors that affected the quantitative changes of cultivated land in Henan Province.
出处
《安徽农业科学》
CAS
北大核心
2009年第5期2136-2138,共3页
Journal of Anhui Agricultural Sciences
关键词
耕地变化
驱动力
主成分分析
河南省
Cultivated land changes
Driving forces
Principal component analysis
Henan Province