摘要
利用55年来的长序列统计资料,对梅州市耕地总量变化进行了分析。应用主成分分析方法对1978年以来耕地变化的驱动力进行了研究,结果表明,经济发展、城镇化和农业科技进步是耕地变化的主要因素。
With the statistical material of amble land and the data of social and economic development of recent 55 years in Meizhou city, the dynamic changing process of the cultivated land was analyzed. The principal component analysis was used to research the driving forces of the cultivated land change after 1978. The results showed that the economic development, the urbanization and the progress of agricultural science and technology,were 1min driving forces.
出处
《安徽农业科学》
CAS
北大核心
2006年第15期3774-3775,3777,共3页
Journal of Anhui Agricultural Sciences
基金
广东省自然科学基金项目(5008167)
嘉应学院"地图学与地理信息系统"重点扶持学科资金资助
关键词
耕地变化
驱动力
梅州市
Cultivated land use change
Driving force
Meizhou city
