| 定西市安家沟小流域生态经济系统健康定量评价 |
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| 引用本文： | 张瑞君,邸利,黄海霞,李栋,彭静波.定西市安家沟小流域生态经济系统健康定量评价[J].甘肃农业大学学报,2009,44(1). |
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| 作者姓名： | 张瑞君 邸利 黄海霞 李栋 彭静波 |
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| 作者单位： | 1. 甘肃农业大学林学院,甘肃,兰州,730070
2. 甘肃农业大学资源与环境学院,甘肃,兰州,730070 |
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| 基金项目： | 甘肃省自然科学基金暨中青年科技基金，中国一全球环境基金 |
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| 摘 要： | 从资源环境支持、经济支撑和社会人文影响三个方面选取19个因素作为参评因子,建立评价指标体系,对定西市安家沟小流域生态经济系统的健康状况进行了定量评价.结果表明:定西市安家沟小流域的生态经济系统的健康指数随时间均呈上升趋势,到2005年为止,资源环境的健康指数达到了0.599,已经进入了健康的良好阶段;社会人文的健康指数为0.545,也即将进入健康的良好阶段;只有经济支撑的健康指数为0.462,仍滞迟于健康的相对稳定阶段.该小流域从20世纪50年代治理以来,流域健康指数呈逐年上升趋势,由60年代的0.151增大到2005年的0.507,正向健康的良好阶段发展.
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| 关 键 词： | 健康定量评价 小流域 生态经济系统 定西市 |
Quantitative evaluation of eco-economic system health in the small watershed of Anjiagou in Dingxi City |
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| ZHANG Rui-jun,DI Li,HUANG Hai-xia,LI Dong,PENG Jing-bo.Quantitative evaluation of eco-economic system health in the small watershed of Anjiagou in Dingxi City[J].Journal of Gansu Agricultural University,2009,44(1). |
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| Authors: | ZHANG Rui-jun DI Li HUANG Hai-xia LI Dong PENG Jing-bo |
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| Institution: | ZAHNG Rui-jun1,DI Li2,HUANG Hai-xia1,LI Dong1,PENG Jing-bo1 (1.College of Forestry,Gansu Agricultural University,Lanzhou 730070,China,2.College of Resources and Environmental Sciences,China) |
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| Abstract: | Taking the small watershed of Anjiagou in Dingxi City of Gansu Province as the study object,based on the detailed analysis of the status and characteristics of the small watershed,the author selected 19 evaluating factors from the three aspects of resource-environmental support,economic support and social state effect to build the evaluation index system for quantitatively evaluating the state of eco-economic system health in the small watershed of the region.The mean square difference method was used to en... |
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| Keywords: | quantitative health evaluation small watershed eco-economic system Dingxi City |
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