| The evolutive process of ecological environment in the river-source region of the Yangtze River Yellow River and Lantsang River and its leading factors |
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| DOI：10.7606/j.issn.1000-7601.2009.02.48 |
| Key Words: the river-source region of Yangtze River Yellow River and Lantsang River ecological environment evolution leading factor analytic hierarchy process |
| Author Name | Affiliation | | HU Liangwen | Shanxi Meteorological Science Institute,Taiyuan,Shanxi 030002,China；College of Agronomy Northwest A＆F University,Yangling,Shaanxi 712100,China | | FENG Yongzhong | College of Agronomy Northwest A＆F University,Yangling,Shaanxi 712100,China；Research Center of Recycle Agricultural Engineering and Technology of Shaanxi Province,Yangling,Shaanxi 712100,China | | YANG Gaihe | College of Agronomy Northwest A＆F University,Yangling,Shaanxi 712100,China；Research Center of Recycle Agricultural Engineering and Technology of Shaanxi Province,Yangling,Shaanxi 712100,China | | REN Guangxin | College of Agronomy Northwest A＆F University,Yangling,Shaanxi 712100,China；Research Center of Recycle Agricultural Engineering and Technology of Shaanxi Province,Yangling,Shaanxi 712100,China |
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| Abstract: |
| The ecological environmental evolution in the river-source region of the Yangtze River, Yellow River and Lantsang River has been affected by natural and human being factors together.Knowing which are the leading factors in them is very important to study the evolutive mechanism and intensity of the regional ecological environment.In the paper, the ecological environmental evolution process was systematically analyzed and the factor system that affected the ecological environment evolution was established in the region, and the leading-factor-indexsystem that affected the ecological environment evolution was also established.The weight had been decided by 42 nationwide famous scientists in the field through the questionnaire investigation, and the natural factors including temperature and precipitation and the human factors including animal husbandry have been confirmed through analytic hierarchy process (AHP) , and the order of these factors were also confirmed. |
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