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A Comprehensive Study of the Impact of Large-Scale Landscape Pattern Changes on the Watershed Ecosystem
1
Faculty of Resources and Environmental Science, Hubei University, Wuhan 430062, China
2
State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, China
3
Environmental Monitoring Center Station of Hubei Province, Wuhan 430071, China
*
Author to whom correspondence should be addressed.
Academic Editors: Richard C. Smardon, Jean-Luc Probst and Jianzhong Lu
Water 2021, 13(10), 1361; https://doi.org/10.3390/w13101361
Received: 26 March 2021 / Revised: 8 May 2021 / Accepted: 10 May 2021 / Published: 14 May 2021
(This article belongs to the Special Issue Water and the Ecosphere in the Anthropocene)
The South-to-North Water Diversion Project (SNWD) is the world’s largest inter-basin water diversion project, and the Danjiangkou Reservoir is a water source of the middle route project of the SNWD. Dynamic monitoring of ecological environment changes in Danjiangkou Water source area can provide theoretical support for reservoir water storage security and ecosystem protection. In this study, the water storage of Danjiangkou reservoir was estimated and its dynamic change was analyzed. On this basis, the changes of landscape pattern and ecosystem services value caused by the SNWD project were analyzed. The results show that the reservoir storage presented an obvious growth trend from 2000 to 2019, especially after the middle route of the SNWD was opened in 2014. After the implementation of the SNWD project, the vegetation degradation in Danjiangkou reservoir area was obvious, which is mainly related to the expansion of construction land. The ecosystem service value of the Danjiangkou Reservoir was mainly determined by the water conservation supply value and climate regulation value. After the implementation of the SNWD project, the values of water conservation and supply, climate regulation, and hydropower generation showed an increasing trend, while the values of fixing carbon and releasing oxygen, and organic matter production showed a decreasing trend.
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MDPI and ACS Style
Liu, H.; Di, H.; Huang, Y.; Zheng, L.; Zhang, Y. A Comprehensive Study of the Impact of Large-Scale Landscape Pattern Changes on the Watershed Ecosystem. Water 2021, 13, 1361. https://doi.org/10.3390/w13101361
AMA Style
Liu H, Di H, Huang Y, Zheng L, Zhang Y. A Comprehensive Study of the Impact of Large-Scale Landscape Pattern Changes on the Watershed Ecosystem. Water. 2021; 13(10):1361. https://doi.org/10.3390/w13101361
Chicago/Turabian StyleLiu, Hai, Heng Di, Yuefei Huang, Liang Zheng, and Yuan Zhang. 2021. "A Comprehensive Study of the Impact of Large-Scale Landscape Pattern Changes on the Watershed Ecosystem" Water 13, no. 10: 1361. https://doi.org/10.3390/w13101361
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