Zhang Mufeng, Liu Wanxia, Wang Jianen, et al. Scenario Simulation of Ecosystem Service Value Change in Dongguan Section of Shima River Basin Based on Clue-S Model[J]. Bulletin of Soiland Water Conservation, 2021, 41(1): 152-160.
DOI:
Zhang Mufeng, Liu Wanxia, Wang Jianen, et al. Scenario Simulation of Ecosystem Service Value Change in Dongguan Section of Shima River Basin Based on Clue-S Model[J]. Bulletin of Soiland Water Conservation, 2021, 41(1): 152-160. DOI: 10.13961/j.cnki.stbctb.2021.01.022.
Scenario Simulation of Ecosystem Service Value Change in Dongguan Section of Shima River Basin Based on Clue-S Model
[Objective] To explore the intrinsic mechanism of ecosystem service value (ESV) evolution
an optimal allocation model for ecological agriculture with towns and river basins as units was investigated.[Methods] Based on the theories and methods of land use and ecological service value
with the Shima River basin land use data from 2010 to 2020
the Clue-S model was used to simulate the land use pattern in 2025
and the results of land use spatial distribution and optimal allocation under three scenarios of ecological security
farmland priority and construction and development in 2025 were obtained
and the space-time pattern of watershed ESV under each scenario was analyzed.[Results] From 2010 to 2020
the ecological service value of the Dongguan section of the Shima River basin decreased by 1.80×107 yuan
which was mainly converted into cultivated land
forest and orchard. The ESVs were 9.44×107
9.62×107
and 9.38×107 yuan under the condition of giving priority to the ecological security of the construction and development of cultivated land in 2025. In addition to ecological security
the other two scenarios showed a decline from the ESV in 2020.[Conclusion] In areas with rapid urbanization and a prominent contradiction between ecology and development
the simulation and analysis of watershed ESV is helpful to enhance the understanding of the spatial distribution of ESVs under different development modes and to provide macroscopic reference for land use planning and coordinated development of an ecological economy.
Verburg P H, Overmars K P. Combining top-down and bottom-up dynamics in land use modeling:Exploring the future of abandoned farmlands in Europe with the Dyna-CLUE model[J]. Landscape Ecology, 2009,24(9):1167-1181.
Verburg P H, Overmars K P, Huigen M G A, et al. Analysis of the effects of land use change on protected areas in the Philippines[J]. Applied Geography, 2006,26(2):153-173.
Lesschen J P, Kok K, Verburg P H, et al. Identification of vulnerable areas for gully erosion under different scenarios of land abandonment in Southeast Spain[J]. Catena, 2007,71(1):110-121.
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