摘要
以广西1990—2003年的耕地及相关社会经济统计数据为依据,利用主成分分析法,定量分析了广西耕地数量变化的人文驱动因素。结果表明,影响广西耕地数量变化的主要人文驱动要素为人口增长、经济发展和农业科技进步。此外,国家相关政策也起着相当重要的驱动作用。
By using principal components analysis, according to the socio- economic statistic data （1990 -2003） related to cultivated land of Guangxi province, quantitatively analyzed thehuman driving factors of cultivated land change in Guangxi. The results show that the three main human factors affecting cultivated land change in Guangxi province are population increasing, economy developing and progress of science and technology in agriculture. In addition, national policy also plays a very important driving role.
出处
《中国林业经济》
2007年第2期7-10,共4页
China Forestry Economics
关键词
耕地变化
人文驱动力
主成分分析
广西
Guangxi province
cultivated land analysis change
human driving force
principal components
