基于主成分分析的河北省耕地资源驱动力研究

Study on the Driving Forces of the Cultivated Land Resources Based on the Principal Component Analysis in Hebei Province

依据河北省1952～2006年耕地面积和社会硅济统计数据，运用主成分分析方法分析了该省耕地面积变化的驱动因素。结果表明，近年来人口增长、经济发展、科技进步等是河北省耕地面积变化的主要驱动因素。研究结论对河北省合理利用耕地资源，实现地区农业的可持续发展具有重要意义。

According to the cultivated land area and social-economic statistical data in Hebei Province during 1952 - 2006, the driving forces of the cultivated land area changes were analyzed by means of principal component analysis. The results indicated that population growth, economic development, science and technology progress in agriculture were the leading factors which change the cultivated land area in Hebei Province. The analytical conclusions would help people make good use of cultivated land resources and provide scientific basis for sustainable agricultural development in Hebei Province.