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《Environmental Science & Technology》 2018-06
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Analysis on the Change of Land Use/Cover Ecological Service Value in Yarkand River Basin

ZHANG Xueqi;Mansur·Shabiti;MA Guofei;School of Geographic Science and Tourism,Xinjiang Normal University;  
The land use/cover type and the value of ecological service in the study area are analyzed according to the land use/cover type characteristics of the Yarkand River Basin, taking into account the value equivalent of land ecosystem services in China. The results showed that land use/cover was changed in the Yarkand River basin from 1996 to 2015, and the area of farmland and construction land increased obviously with the growth rates of 7.73% and 35.88%, respectively. The wetland and unused land area decreased significantly, with the reduction rate as 2.89% and 0.68%. Forest land, grassland and water area remained unchanged. The ecological service value of the study area was 13.48×10~8 yuan/a, which reflects the potential ecological status. In the nine ecological service functions, the hydrological regulation(25.91%) and the waste treatment(22.75%)had higher ecological service function, and the value of ecological service was lower in food(1.79%) and raw material production(2.92%). During the study period, the total value of ecological services increased by 2.24×10~8 yuan/a, the growth rate was 0.17%, which was mainly caused by the increase of farmland area. In the nine ecological service function, the grain production function(1.53%) and value of raw material production(0.29%) was higher, which was also related to the increase in the area of farmland with higher value of food and raw material production. In the proportion of the price of 1996 to 2015, no major changes occurred.
【Fund】: 国家自然科学基金项目(41661100)
【CateGory Index】: X826
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