Abstract
The realization of regional sustainable development has been a popular research topic during the process of urbanization. To explore the coordination relationships between urban development and ecological security—taking Urumqi city, a representative arid city in Xinjiang, China, as a study area—this study has constructed a framework of spatial suitability evaluation based on the characteristics of a Mountain–Oasis–Desert System (MODS) in an arid area under the framework of major function oriented zoning (MFOZ). A spatial overlay analysis using Geographic Information System (GIS) with a 5 m × 5 m grid or towns and streets as the basic unit was applied to comprehensively evaluate spatial suitability. The results showed that the study area was zoned into a forbidden development zone (as patches set in towns and streets), an ecological protection zone (nine towns or streets), a moderate development zone (16 towns or streets), and a key development zone (82 towns or streets), accounting for 30.35%, 32.50%, 23.79%, and 13.36%, respectively. The zoning results provided a basis to pointedly put forward the development and protection strategies of each administrative unit; and the research framework can be applied to other arid areas for the decision-making related to the urban space layout and environmental management.
Highlights
With the continuous improvement of urbanization, the social–economic–ecological system of cities is undergoing huge changes [1,2]
Cities are under increasing pressure from both ecological protection and construction, In particular, arid cities possess that have the typical characteristic of a Mountain–Oasis–Desert System (MODS) [8], ecological basis are more vulnerable than other regions
The spatial suitability evaluation method, which reflects the relationship between development and protection in an arid city based on the perspective of major function oriented zoning, is feasible
Summary
With the continuous improvement of urbanization, the social–economic–ecological system of cities is undergoing huge changes [1,2]. With the expanding of city scale and the decline of the countryside, the built up area is sprawling, urban space is eroding natural ecological space, and its change has caused the waste of land resources, natural resource depletion, soil erosion, urban ecological landscape fragmentation, degradation of ecosystem service function, and pollution [5]. These factors have profound influences on the spatial pattern of regional development [6,7]. The realization of regional sustainable development has been a hot issue, and more and more attention has been paid to urban ecological security by the government and social organizations from all walks of life
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