Isotopic geochemistry of the groundwater system in arid and semiarid areas and its significance: a case study in Shiyang River basin, Gansu province, northwest China

2001 ◽  
Vol 40 (4-5) ◽  
pp. 557-565 ◽  
Author(s):  
J. A. Shi ◽  
Q. Wang ◽  
G. J. Chen ◽  
G. Y. Wang ◽  
Z. N. Zhang
Keyword(s):  
River Basin ◽  
Northwest China ◽  
Gansu Province ◽  
Groundwater System ◽  
Shiyang River Basin ◽  
Isotopic Geochemistry ◽  
Semiarid Areas ◽  
Arid And Semiarid Areas ◽  
Arid And Semiarid

The economic potential of payments for ecosystem services in water conservation: a case study in the upper reaches of Shiyang River basin, northwest China

2012 ◽  
Vol 17 (4) ◽  
pp. 445-460 ◽  
Author(s):  
Zeng Tang ◽  
Yulan Shi ◽  
Zhibiao Nan ◽  
Zhongmin Xu
Keyword(s):  
Ecosystem Services ◽  
River Basin ◽  
Water Conservation ◽  
Northwest China ◽  
Payments For Ecosystem Services ◽  
Economic Potential ◽  
Related Factors ◽  
Shiyang River Basin ◽  
Local Farmers

AbstractIn this paper, we conduct an investigation to assess the economic potential of payments for ecosystem services to conserve water through the conversion of land under irrigation into rain-fed land in the upper reaches of the Shiyang River basin, located in northwest China. We use an approach developed by Antle and Valdivia (2006, Australian Journal of Agricultural and Resource Economics, 50: 1–15) to estimate the supply of water. The analysis shows that it is theoretically possible to reduce agricultural water consumption and subsequently increase the water supply, which would aid the prevention of environmental degradation in the middle and lower reaches of the Shiyang River basin. In addition to the conservation of water, considerable income would be generated by local farmers, which would help to alleviate poverty. Furthermore, the analysis also suggests that more complete data on ecosystem services rates, transaction costs and other related factors would be of value for achieving a more comprehensive assessment.

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