| 生物土壤与生态 |
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| Multilevel Fuzzy Compositive Evaluation of Wind-breaking and Sand-fixing System in Desert Oasis: Taking Gaotai County as A Case Study |
LIAO Kong-tai1,2; YAN Zi-zhu2; CHANG Zhao-feng2; MAN Duo-qing1,2;
ZHANG Jin-chun2; LI De-lu2 |
| 1.Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China;
2.Gansu Desert Control Research Institute/ Gansu Provincial Key Laboratory of Desertification Combating, Wuwei 733000, Gansu, China |
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Abstract This paper, applying the method of fuzzy mathematics, comprehensively assessed the existed 7 types of windbreaks that have been established for 20 years at Gaotai desert area in the Heihe river basin through analyzing the 3 indexes: growth situation of plants and sand-fixation effect, mechanical components of soils, Soil moisture content. The result reveals that the following 3 windbreak patterns are the optimum: the mixture belt of Headysarum scoparium, Caragana korshinskii, Haloxylon ammondendron (6 m×3 m), the mixture belt of Haloxylon ammondendron, Headysarum scoparium(4.5 m×3 m) and the belt of Caragana korshinskii (6 m×5 m), they are ecologically healthy and economically valuable, and can be applied and extended in Gaotai desert area.
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Received: 01 January 1900
Published: 20 November 2007
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Cite this article:
LIAO Kong-tai;YAN Zi-zhu;CHANG Zhao-feng;MAN Duo-qing;ZHANG Jin-chun;LI De-lu. Multilevel Fuzzy Compositive Evaluation of Wind-breaking and Sand-fixing System in Desert Oasis: Taking Gaotai County as A Case Study. JOURNAL OF DESERT RESEARCH, 2007, 27(6): 1027-1032.
URL:
http://www.desert.ac.cn/EN/ OR http://www.desert.ac.cn/EN/Y2007/V27/I6/1027
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2007, Vol. 27 
