| 基于主成分分析的长沙市土地健康评价研究 |
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| 引用本文： | 李沅澍,朱红梅,刘庆,王乐,刘文欣.基于主成分分析的长沙市土地健康评价研究[J].农业科技管理,2012,31(5):12-16. |
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| 作者姓名： | 李沅澍 朱红梅 刘庆 王乐 刘文欣 |
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| 作者单位： | 湖南农业大学资源环境学院,长沙,410128 |
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| 摘 要： | 随着人地矛盾的日益尖锐,我国土地资源供给相对不足和土地利用生态环境日益恶化的严峻形势成为阻碍全面建设小康社会前进步伐的重要因素。土地健康与否,直接关系土地的可持续发展。文章以长沙市为例,建立了土地健康评价指标体系,应用SPSS 13.0软件分析评价了2004～2010年长沙市土地健康状况,研究结果表明:长沙市土地健康状况呈逐年向良性方向发展的趋势。
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| 关 键 词： | 土地健康评价 主成分分析 指标体系 综合评价 长沙市 |
Studies on Evaluation of Land Health in Changsha City Based on Principal Components Analysis |
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| Li Yuanshu Zhu Hongmei Liu Qing Wang Le Liu Wenxin.Studies on Evaluation of Land Health in Changsha City Based on Principal Components Analysis[J].Management of Agriculture Science and Technology,2012,31(5):12-16. |
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| Authors: | Li Yuanshu Zhu Hongmei Liu Qing Wang Le Liu Wenxin |
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| Institution: | Li Yuanshu Zhu Hongmei Liu Qing Wang Le Liu Wenxin(College of Resources and Environment,Hunan Agricultural University,Changsha,410128 China) |
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| Abstract: | With the increasingly sharp conflict between human being and land,the relatively insufficient supply of land resources in our country as well as the grim situation of worsening ecological environment for land utilization has become the main factors which limited advance of building a moderately prosperous society in all aspects.The problem of land health can directly affect the sustainable development of land.Taking Changsha City as an example,the system of land health evaluation was built and land health in Changsha City during 2004 to 2010 was analyzed using SPSS 13.0 software.The results showed that the health condition of land in Changsha changed to a good development trend. |
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| Keywords: | Land health evaluation Principal component analysis Index system Comprehensive evaluation Changsha City |
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