| 科尔沁沙地南缘的章古台地区耕地变化动态及驱动因素分析 |
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| 引用本文： | 郑水林,吴祥云.科尔沁沙地南缘的章古台地区耕地变化动态及驱动因素分析[J].辽宁农业科学,2010(6):17-20. |
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| 作者姓名： | 郑水林 吴祥云 |
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| 作者单位： | 辽宁工程技术大学,辽宁,阜新,12300 |
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| 基金项目： | 辽宁省教育厅项目，"十一五"国家科技支撑项目 |
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| 摘 要： | 基于研究区的统计资料,应用数理统计方法,对研究区的耕地变化动态及其驱动因素做了分析,结果表明:耕地总面积处于增加状态,29年来增加了32.95%,人均耕地面积增加了6.01%;耕地与其他地类之间转化明显,1980年的耕地仅有57.15%保留至2009年,部分耕地存在退化现象;耕地变化的两个主要驱动因素为人口和社会经济发展,其中人口的影响最大,其次是人均工农业收入、GDP和社会固定资产总投资。
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| 关 键 词： | 动态 驱动因素 主成分分析 |
Analysis of Cultivated Land Dynamic Changes and Driving Forces at Zhanggutai Town in Horqin Sandy Land |
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| ZHENG Shui-lin,WU Xiang-yun.Analysis of Cultivated Land Dynamic Changes and Driving Forces at Zhanggutai Town in Horqin Sandy Land[J].Liaoning Agricultural Sciences,2010(6):17-20. |
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| Authors: | ZHENG Shui-lin WU Xiang-yun |
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| Institution: | ZHENG Shui-lin,WU Xiang-yun(Liaoning Technical University,Fuxin Liaoning 123000) |
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| Abstract: | Based on statistics of the study area,with the help of mathematical statistics methods,the cultivated land dynamic changes and driving factors was analyzed,the results showed that:During 29 years,the total area of cultivated land increased by 32.95,per capita cultivated land area increased by 6.01%.Only 57.15 percent of cultivated land reserved to 2009,and there is some land degradation.The two main drivers of cultivated land changes are population and socio-economic development,the population most affected... |
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| Keywords: | Dynamic Driving forces Principal component analysis |
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