Dynamic simulation of"production-living-ecological"land use in Central Plains urban agglomeration and its response to ecosystem service value
It will have an important impact on land space optimization and ecological security to clarify the land use evolution process and its ecosystem response mechanism under the background of rapid urban expansion.The core development area of the Central Plains urban agglomeration was selected as the empirical object.Based on the land use interpretation data of 3 phases from 2000 to 2020,PLUS model was used to simulate the"production-living-ecological"land use pattern in 2030,evaluate the ecosystem service value(ESV)of the Central Plains urban agglomeration,and explore the spatio-temporal evolution mechanism of the changes in ESV of each county and district using the spatial autocorrelation method.The results showed that:1)From 2000 to 2030,the"production-living-ecological"land use types in the study area were mainly agricultural production land,forest ecological land and rural living land.2)The total ESV showed an overall trend of increasing,with a total increase of 3.67 billion yuan.In terms of spatial distribution,it was high in the northwest and low in the southeast.The adjustment service was always the main function of the ecosystem of the Central Plains urban agglomeration.3)The high value of the average ESV in the counties and districts under its jurisdiction was mostly concentrated in the western mountain areas,while the low value was mainly concentrated in the three counties and districts along Xuchang-Luohe.The average ESV value-added counties were distributed along the Yellow River,while the value-reduced counties were mostly located in the southwest mountain areas and Bozhou area.The research results can provide a scientific basis for the land space planning of the Central Plains urban agglomeration for ecological protection and high-quality development.
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