Urban-rural difference and scale effect of ecosystem services of blue-green infrastructure
View abstract on PubMed
Summary
This summary is machine-generated.Blue-green infrastructure (BGI) provides essential ecosystem services (ES) in urban areas. This study reveals spatial disparities and scale-dependent trade-offs in BGI
Area Of Science
- Urban Ecology
- Environmental Science
- Spatial Planning
Background
- Blue-green infrastructure (BGI) is crucial for urban ecological security patterns.
- Research gaps exist in understanding BGI's ecosystem services (ES) dynamics, coordination, and trade-offs during urbanization.
- Existing studies often overlook the nuanced interactions of multiple ES provided by BGI.
Purpose Of The Study
- To explore spatio-temporal variations and urban-rural disparities of six BGI-provided ES in Wuhan from 1980-2020.
- To analyze trade-off and synergy effects among these ES across different spatial scales.
- To provide insights for optimizing BGI management amidst rapid urbanization.
Main Methods
- Utilized the InVEST model for ES assessment.
- Applied Getis-Ord Gi* spatial hotspot analysis to identify spatial patterns.
- Employed spatial correlation analysis to examine ES relationships and scale effects.
Main Results
- BGI-provided ES generally showed lower levels in central urban areas and higher levels in peripheral regions.
- Blue infrastructure contributed more to ES than green infrastructure.
- ES exhibited urban-rural gradients and scale-dependent trade-offs and synergies, with synergies dominating at larger administrative scales.
Conclusions
- BGI's ES functions display significant spatial heterogeneity and are influenced by urbanization and urban-rural gradients.
- Scale-dependent interactions among ES necessitate tailored management strategies.
- Findings support coordinated, hierarchical, and zoned management of BGI for optimized ES delivery.
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