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| Temporal and Spatial Variation in Ecosystem Service Value in the Source Region of Fenhe River of China |
| Gao Jing, Li Jinchang, Yang Yonggang |
| Institute of Loess Plateau, Shanxi University, Taiyuan 030006, China |
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Abstract We used remote sensing data to evaluate land use/cover change of Ningwu County in the Source Region of Fenhe River, then applied a fast method to evaluate ESV (Ecosystem Service Value) in 1990, 2000, and 2010. Our results showed that construction land and unused land both increased obviously, and woodland increased slightly during 1990-2010, grassland, farmland and water body all decreased, especially water body. The ESV dropped from 21.79×108 RMB in 1990 to 21.45×108 RMB in 2010, showing an accelerating rate of decrease. During 1990-2010, the ESV of the low altitude regions in the northeast to southwest direction of the studied area decreased largely due to the frequent human activities in this region. The decrease or increase of ESV in other regions was slightly. In the studied area, soil formation and protection was the largest service function, followed by biodiversity conservation, and food production was the smallest. The area decrease in grassland and water body was the main reason for the decrease in ESV in the studied area.
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Received: 20 February 2015
Published: 20 May 2015
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2015, Vol. 35 
