| 基于MFA和STIRPAT的定西市物质输入输出及环境压力 |
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| 引用本文： | 赵博,陈兴鹏,王国奎,善孝玺,逯承鹏,郭晓佳.基于MFA和STIRPAT的定西市物质输入输出及环境压力[J].兰州大学学报(自然科学版),2011,47(5):42-47. |
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| 作者姓名： | 赵博 陈兴鹏 王国奎 善孝玺 逯承鹏 郭晓佳 |
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| 作者单位： | 兰州大学资源环境学院,兰州,730000 |
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| 基金项目： | 国家自然科学基金项目(40871061) |
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| 摘 要： | 运用物质流分析方法,对定西市生态经济系统分析结果表明:在不考虑水的情况下物质输入和输出分别以2.24％和5.68％的速度波动缓慢上升;物质输入上升速度低于物质生产力上升速度和物质利用强度降低速度,单位GDP污染物排放强度以年均6.59％的速度直线下降,可见物质利用效率的提高速度较快,而2004-2008年,物质生产力每...
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| 关 键 词： | 物质流 生态经济系统 可持续发展 环境压力 定西市 |
Regional sustainable development of Dingxi eco-economic system based on material flows analysis |
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| ZHAO Bo,CHEN Xing-peng,WANG Guo-kui,SHAN Xiao-xi,LU Cheng-peng,GUO Xiao-jia.Regional sustainable development of Dingxi eco-economic system based on material flows analysis[J].Journal of Lanzhou University(Natural Science),2011,47(5):42-47. |
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| Authors: | ZHAO Bo CHEN Xing-peng WANG Guo-kui SHAN Xiao-xi LU Cheng-peng GUO Xiao-jia |
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| Institution: | ZHAO Bo,CHEN Xing-peng,WANG Guo-kui,SHAN Xiao-xi,LU Cheng-peng,GUO Xiao-jia School of Resources and Environmental Sciences,Lanzhou University,Lanzhou 730000,China |
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| Abstract: | The material inputs and outputs of Dingxi eco-economic system were analyzed using material flow analysis.It was found that,excluding water,the material input and output amount increased fluctuantly at the mean annual rates of 2.24%and 5.68%slowly.Both material productivity and utilization intensity were lower than the rate of material input increase,and the intensity of pollutant output per GDP decreased at the mean rate of 6.59%,approximately to a straight line.The results show that the rate of resource ut... |
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| Keywords: | material flow eco-economic system sustainable development environmental stress Dingxi |
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