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Position: Home > Articles > The Quantitative Study on Driving Factors of Sandy Desertification in Yutian Oasis Journal of Anhui Agricultural Sciences 2012,40 (35) 17262-17266

于田绿洲沙漠化驱动因素的定量研究

作  者:
安外尔·艾则孜;海米提·依米提;艾则买提·艾赛提;许宁
单  位:
教育部绿洲生态重点实验室
关键词:
沙漠化;于田绿洲;驱动因素
摘  要:
以于田绿洲为研究对象,选择该区1949~2011年的9个人为因子和1960~2011年的5个自然因子的统计数据,利用主成分分析法和相关分析法,对于田绿洲沙漠化过程中的自然与人为因素作用强度进行了定量分析。结果表明,在于田绿洲沙漠化发展过程当中,人为因素的贡献率为50.08%,自然因素的贡献率为6.53%,自然与人为因素共同作用的贡献率为31.98%。人为因子(F1)、人为和自然因子的共同作用(F2、F3)、自然因子(F4)对于田绿洲沙漠化影响的综合作用力的定量表达式为F=0.500 8F1+0.183 1F2+0.1367F3+0.065 3F4。近60多年来,于田绿洲沙漠化的发生及扩展的最主要的因素是人为因素,人为因素的影响逐年增加;但人为因素对沙漠化的作用具有双重性,既可以加速沙漠化过程,同时也可以使其逆转。
译  名:
The Quantitative Study on Driving Factors of Sandy Desertification in Yutian Oasis
作  者:
ANWAR Eziz et al(Key Lab of Oasis Ecological Security,Ministry of Education,Urumqi,Xinjiang 830046)
关键词:
Sandy desertification;Yutian Oasis;Driving factors
摘  要:
Taking Yutian Oasis as the study area,selecting the statistical data of 9 human factors from 1949 to 2011 and 5 natural factors from 1960 to 2011 in this area,by using principal component analysis and factor analysis method,quantitative analysis were conducted for the intensity of the natural and human factors in sandy desertification process in Yutian Oasis.The results showed that,during the process of sandy desertification development in Yutian Oasis,the contribution rate of human factor,natural factor and combined role of natural and human factors are 50.08%,6.53% and 31.98% respectively.The quantitative expression for integrated force of sandy desertification effect from human factor(F1),combination of human and natural factors(F2,F3) and natural factors(F4) to Yutian oasis is: F=0.500 8F1+0.183 1F2+0.136 7F3+0.065 3F4.Human factors are the main reasons for the occurrence and expansion of sandy desertification in Yutian Oasis over the past 60 years,it has dual effect on sandy desertification,not only can accelerate the process of sandy desertification but also can also can reverse it.

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