摘要
以1998-2007年的统计资料为基础,分析了葫芦岛市近10年的耕地数量变化特点,并通过主成分分析法,对引起耕地数量变化的驱动力进行了研究。结果表明,经济发展、人口增长以及农业科技进步是影响葫芦岛市耕地数量变化的三大驱动力,并据此提出了葫芦岛市的耕地保护对策。
This paper analyzed the characteristics of the variation of cultivated land quantity of Huludao city,basing on the statistical data from 1998 to 2007. The driving forces which caused the variation were also studied through the method of principal component. The three important driving forces included economic development, population growth, and the agricultural technology improvement. According to these forces this paper also put forward the countermeasures to protect the cultivated land.
出处
《国土与自然资源研究》
北大核心
2010年第3期45-47,共3页
Territory & Natural Resources Study
关键词
耕地数量变化
驱动力
主成分分析法
葫芦岛市
variation of cultivated land quantity
driving force
method of principal component
Huludao city
