| 基于人粮关系的土地资源承载力研究——以甘南藏族自治州为例 |
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| 引用本文： | 赵雪雁,刘霜,李巍.基于人粮关系的土地资源承载力研究——以甘南藏族自治州为例[J].西北师范大学学报,2010(6). |
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| 作者姓名： | 赵雪雁 刘霜 李巍 |
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| 作者单位： | 西北师范大学地理与环境科学院;中国科学院寒区旱区环境与工程研究所; |
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| 基金项目： | 国家自然科学基金资助项目(40971291) |
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| 摘 要： | 利用土地资源承载力(CLC)与土地资源承载指数(ILCC)模型,定量评价了年甘肃省甘南藏族自治州1997—2006年土地资源承载力的变化.结果表明,1997—2006年甘南州人粮关系趋于盈余;土地资源承载力中间虽有波动,但总体呈上升趋势;土地资源承载能力与土地资源利用强度密切相关;人口总量的变化与土地资源承载力变化趋势基本相同.
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| 关 键 词： | 土地资源承载力 土地资源承载指数 甘南州 |
The land carrying capacity based on man-grain relationship——A case study of Gannan Tibetan Autonomous Prefecture |
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| ZHAO Xue-yan,LIU Shuang,LI Wei.The land carrying capacity based on man-grain relationship——A case study of Gannan Tibetan Autonomous Prefecture[J].Journal of Northwest Normal University Natural Science (Bimonthly),2010(6). |
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| Authors: | ZHAO Xue-yan LIU Shuang LI Wei |
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| Affiliation: | ZHAO Xue-yan1,2,LIU Shuang1,LI Wei1(1.College of Geography and Environmental Science,Northwest Normal University,Lanzhou 730070,Gansu,China,2.Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Lanzhou 730000,China) |
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| Abstract: | With the increase of population,land carrying capacity and food safety have been attracted great attention worldwide.From the point of man-grain relationship,by land carrying capacity(CLC) and the land carrying capacity index(ILCC) models,this paper quantitatively analyzes the spatial-temporal dynamic patterns of land carrying capacity of Gannan Tibetan Autonomous Prefecture between 1997 and 2006.The result shows that:the land carrying capacity of Gannan Tibetan Autonomous Prefecture gradually rises with av... |
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| Keywords: | land carrying capacity land carrying capacity index Gannan Prefecture |
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