Study on the spatial and temporal evolution of ecosystem service value based on land use change in Xi'an City.

From the point of view of each land use type, forest land and water are the main contributors to ESV, in which the contribution rate of cultivated land and forest land shows a decreasing trend from 2000 to 2015, and the contribution rate of cultivated land and forest land shows a slight increase in 2020, insisting on the fluctuating contribution rate of ecological environment under the policy orientation of harmonious coexistence between human and nature; among the remaining land use typ

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