Analysis of Spatial and Temporal Characteristics and Spatial Flow Process of Soil Conservation Service in Jinghe Basin of China

Ting Zheng, Zixiang Zhou, Yufeng Zou, Bakhtiyor Pulatov and Asim Biswas
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Ting Zheng: College of Geomatics, Xi’an University of Science and Technology, Xi’an 710054, Shaanxi, China
Zixiang Zhou: College of Geomatics, Xi’an University of Science and Technology, Xi’an 710054, Shaanxi, China
Yufeng Zou: Department of Foreign Languages, Northwest A&F University, Yangling 712100, Shaanxi, China
Bakhtiyor Pulatov: Tashkent Institute of Irrigation and Agricultural Mechanization Engineers, Qoriy Niyoziy 39, Tashkent 100000, Uzbekistan
Asim Biswas: School of Environmental Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada

Sustainability, 2021, vol. 13, issue 4, 1-17

Abstract: The supply and demand of ecosystem services and their mutual feedback are important for the formulation of basin ecological environmental policies. Simulation of the spatial flow of ecosystem services can clarify the division of areas and can support policy development. This paper takes the Jinghe Basin in the Loess Plateau of China as the case-study area to simulate the spatial flow of soil conservation service on different scales. The results showed that (1) soil erosion situations in Jinghe Basin improved overall, with a trend of first aggravating and then recovering between 2005 and 2015; (2) the amount of annual soil conservation in the basin accounted for more than 75% of the potential soil erosion and showed a trend of first increasing and then decreasing; and (3) using digital elevation model (DEM) data and ArcGIS software, the experiment divided the basin into sub-basins (58 in total) and hydrological response units (HRUs) (e.g., 2181 HRUs in sub-basin #1), which were used to quantify the spatial flow direction and the corresponding amount of soil conservation service on the “HRU—river-sub-basin” scale. The divided supply and demand helped quantify the spatial flow pattern of soil conservation services from HRU to the sub-basin.

Keywords: soil conservation service; ecosystem service flow; RUSLE; Jinghe Basin (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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