【摘要】 以洛宁县1989~2001年耕地及相关的社会经济统计数据为依据,利用主成分分析方法,定量分析该区耕地变化的人文驱动因子。分析结果表明,影响该区耕地变化的主要人文因素为农业科技发展水平、社会系统压力、经济发展水平和社会发展水平。更多还原

【Abstract】 By using principal components analysis, the socio-economic statistic data (1989-2001) related to cultivated land of Luoning county, located in middle Yiluo basin, are quantitatively analyzed to define the human driving factors of cultivated land change. The results show that the agricultural Sci-tech development, social system press, economic development and social development levels are four main human factors affecting cultivated land change in this area.更多还原