| 延安市土地利用程度评价及政策建议 |
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| 引用本文： | 吴金华,李园媛,李纪伟. 延安市土地利用程度评价及政策建议[J]. 干旱区资源与环境, 2011, 0(12): 132-136 |
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| 作者姓名： | 吴金华 李园媛 李纪伟 |
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| 作者单位： | 长安大学地球科学与资源学院; |
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| 基金项目： | 高等学校学科创新引智计划项目(B08039); 陕西省软科学计划项目(2007RK21)资助 |
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| 摘 要： | 基于土地利用变更数据,采用改进后刘纪远土地利用程度综合指数模型,分别从总体评价、地域分异规律研究、时间序列研究等3个方面对延安市土地利用程度进行全面评价。结果显示：总体而言,2007年全市及其各区县土地利用程度都低于全省平均水平;地域分异规律方面,土地利用程度呈现出纬度和垂直分异规律,没有呈现出明显的经度分异规律,且随...
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| 关 键 词： | 土地利用 土地利用程度 地域分异规律 延安 |
Land use degree assessment and policy proposal of Yan'an |
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| WU Jinhua,LI Yuanyuan,LI Jiwei. Land use degree assessment and policy proposal of Yan'an[J]. Journal of Arid Land Resources and Environment, 2011, 0(12): 132-136 |
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| Authors: | WU Jinhua LI Yuanyuan LI Jiwei |
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| Affiliation: | WU Jinhua,LI Yuanyuan,LI Jiwei(College of Earth Science and Resoureces,Chang'an University,Xi'an 710054,P.R.China) |
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| Abstract: | Based on land use change data,we used the improved model of Liu Jiyuan land use degree composite index to assess the land use degree of Yan'an from overall assessment,regional differentiation and time series.The results showed that:(1)Land use degree of Yan'an and all of its counties in 2007 was lower than the average level of Shanxi province.(2)The land use degree showed zonal characters of obvious latitude and vertical but no longitude which also decreased with relief degree increasing.(3)The land use deg... |
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| Keywords: | land use land use degree regional differentiation law Yan'an |
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