| 基于主成分分析法的区域耕地变化驱动力分析——以张掖市为例 |
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| 引用本文： | 强妮,陈英.基于主成分分析法的区域耕地变化驱动力分析——以张掖市为例[J].安徽农业科学,2009,37(3):1271-1274. |
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| 作者姓名： | 强妮 陈英 |
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| 作者单位： | 甘肃农业大学资源与环境学院,甘肃兰州,730070 |
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| 摘 要： | 为揭示张掖市耕地格局变化的驱动机制，根据张掖市1997～2005年的统计和普查数据，采用主成分分析法对张掖市社会经济指标进行分析。结果得出，张掖市的耕地变化受经济、人口及农耕业现代化水平等各方面因素的影响。
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| 关 键 词： | 主成分分析 驱动力分析 张掖 |
Study on the Driving Force of Cultivated Land Use Based on Principal Components Analysis |
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| Institution: | QIANG Ni et al (College of Resources and Environmental Sciences, Gansu Agricultttral University, Lanzhou, Gansu 730070) |
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| Abstract: | The purpose of the paper was to reveal the driving forces of spatial pattern change of cultivated land from 1997 to 2005.According to statistical and survey data from 1997 to 2005,this study analyzed some social and economic factors about Zhangye City using Principal Components Analysis(PCA).The results showed that the cultivated land change in Zhangye City was influenced by economy,population,agricultural modernization and other combining factors. |
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| Keywords: | Principal components analysis Driving force analysis Zhangye |
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