Identifying key areas of imbalanced supply and demand of ecosystem services at the urban agglomeration scale: A case study of the Fujian Delta in China.

The Science of the Total Environment
Ruhong XinQianwen Wang

Abstract

The coordinated supply and demand of ecosystem services (ESs) is important for ensuring regional sustainable development. However, research identifying key areas of imbalanced supply and demand of ESs at the urban agglomeration scale is limited. Therefore, in this study, using the Fujian Delta urban agglomeration of China as the research area, based on multi-source data, and analysis tools, such as ArcGIS, ENVI, and GeoDa, we constructed a research framework and indicator system for ESs supply and demand to determine the spatial change law, matching degree, and coupling coordination degree (CCD) of the ESs. On this basis, the key areas of imbalanced supply and demand of ESs were identified, and optimization strategies were proposed. The results showed that (1) there is obvious spatial heterogeneity between ESs supply and demand in the study area, and different degrees of spatial changes occurred with urbanization. Specifically, areas with large changes were concentrated in urban core areas and economic development zones. (2) The matching degree between ESs supply and demand is quite diverse and shows a trend of polarization. Under the influence of urbanization, some cities began facing ESs supply shortages. (3) Overall, the CCD...Continue Reading

References

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