1.Xinjiang Production and Construction Corps Survey and Design Institute( Group) Co.Ltd,Urumqi 830002,China;
Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences,Urumqi 830011,China
This paper calculates the ecosystem service value of the mainstream of the Tarim River in the process of ecological degradation before the ecological water conveyance. Based on the Landsat TM/ETM remote sensing image of the upper reaches of the Tarim River,this paper extracts the land use /cover type information of 1990,2000 and 2010,and the methods of calculating ecosystem service value of Xie
and Costanza is used in this paper. Results: the ecosystem service value in the mainstream of Tarim River from 1990 to 2000 reduced 11.43 ×108 yuan,decreased by 8.5%,falling at a speed of 1.14×108 yuan a year,mainly due to natural wetland and forest land,wet land and inland water area sharply decreased,leading to the loss of the value of natural capital. After the ecological water conveyance ( 2000-2010) ,
the value of ecosystem services increased by 12.57× 108 yuan,increased by 10.21%,rising at a speed of 1.26× 108 yuan a year mainly because the ecological water conveyance project may increase inland water area since 2000. Conclusion: before the ecological water conveyance,ecosystem service value was on the rise,and showed a decreasing trend after the ecological water conveyance.
CHEN Chao-qun,WU Yu,WANG Jian,ZHAO Le,ZHAO Xin-feng.
An Analysis of the Ecosystem Service Value in the Mainstream of the Tarim River Before and after the Ecological Water Conveyance[J].China Rural Water and Hydropower, 2017(9): 100-103
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