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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (5): 1598-1604    DOI: 10.7522/j.issn.1000-694X.2013.00227
Ecology and Economics     
Dynamic of Service Value of Farmland Meta-ecosystem of Mountain, Oasis and Desert and Multiple Regression Analysis of the Influence Factors in the Hexi Corridor, Gansu, China
SHI Fu-xi1, SONG Chang-chun1, ZHAO Cheng-zhang2, ZHANG Jing2, SHI Li-li2
1.Northeast Insititute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China;
2.Engineering Research Center of Wetland Resources Protection and Industrial Development in Gansu Province/College of Geography and Environment Science, Northwest Normal University, Lanzhou 730070, China
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Abstract  

To analyze the ecosystem service value will help us to understand the function heterogeneity of the ecosystem service function from different ecological function regions. We took Sunan county, Ganzhou district, and Minqin county, three typical areas of the Mountain-Oasis-Desert (MOD) in the Hexi Corridor as an example. We calculated the farmland ecosystem service value in different ecological function regions in 2002 and 2009 by using the method of ecological economics, and analyzed the influence factors of the change of farmland ecosystem service value by using multiple regression. The results showed that: The farmland ecosystem service value per unit area of Hexi orridor was in an order of northern desert sub-ecosystem>middle oasis sub-ecosystem>southern mountain sub-ecosystem; The farmland ecosystem service value increased in different ecological function regions during the research period, such as the northern desert sub-ecosystem increased ¥1.83×108, the middle oasis sub-ecosystem increased ¥0.70×108, and the southern mountain sub-ecosystem increased ¥0.13×108; The simple ecosystem service value increased about ¥0.16×108 per year in northern desert, increased about ¥0.11×108 per year in middle oasis and increased about ¥0.02×108 per year in southern mountain; For the use of fertilizers, the loss in the value of farmland ecosystem service increased in different ecological function regions; On the agricultural water consumption side, the loss value decreased about ¥0.11×108 per year in northern desert, increased about ¥0.03×108 per year in middle oasis, but changed smaller in south mountain; The results from regression analysis may reveal that the change of farmland ecosystem service value in Hexi Corridor mainly caused by growth in structural transformation, but the impact degree exist difference in different ecological functional areas.

Key words:  farmland ecosystem      ecosystem service value      spatial differentiation      influence factors      Hexi Corridor     
Received:  20 July 2012      Published:  13 August 2012
ZTFLH:  X181  

Cite this article: 

SHI Fu-xi1, SONG Chang-chun1, ZHAO Cheng-zhang2, ZHANG Jing2, SHI Li-li2. Dynamic of Service Value of Farmland Meta-ecosystem of Mountain, Oasis and Desert and Multiple Regression Analysis of the Influence Factors in the Hexi Corridor, Gansu, China. JOURNAL OF DESERT RESEARCH, 2013, 33(5): 1598-1604.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00227     OR     http://www.desert.ac.cn/EN/Y2013/V33/I5/1598

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