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Water 2019, 11(1), 97; https://doi.org/10.3390/w11010097

A Spatial and Temporal Study of the Green and Blue Water Flow Distribution in Typical Ecosystems and its Ecosystem Services Function in an Arid Basin

1
School of Geography, South China Normal University, Guangzhou 510631, China
2
School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
3
State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, Wuhan 430072, China
*
Author to whom correspondence should be addressed.
Received: 4 December 2018 / Revised: 31 December 2018 / Accepted: 3 January 2019 / Published: 8 January 2019
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Abstract

Research on relationship between green and blue water flow and ecosystem service functions has great significance for improving water resources management and for ecological protection. In this study, the distribution patterns and service functions of green and blue water flow in different ecosystems were analysed by Soil and Water Assessment Tool (SWAT) model simulation and Correlational Analysis. In the entire basin, the amount of green and blue water flow in the grassland was greater than that in the cropland, and that in the cropland was larger than that in the forest. The corn yield per hectare of cropland was highest in the Heihe River Basin, followed by wheat, and the lowest yield was the oil yield from 2000 to 2010. The mutton yield in the grassland ecosystem was greater than the beef yield from 2000 to 2010, which shows that the beef production would consume more water flow. Results show an obvious positive correlation between green or blue water flow and wheat and corn yields. Beef and mutton had a significant correlation with blue water flow, whereas mutton had a stronger correlation with green water flow. View Full-Text
Keywords: green water flow; blue water flow; ecosystem services; Heihe River Basin green water flow; blue water flow; ecosystem services; Heihe River Basin
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Zang, C.; Mao, G. A Spatial and Temporal Study of the Green and Blue Water Flow Distribution in Typical Ecosystems and its Ecosystem Services Function in an Arid Basin. Water 2019, 11, 97.

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