Exploring Differentiated Conservation Priorities of Urban Green Space Based on Tradeoffs of Ecological Functions

Huiying Li, Dianfeng Liu and Jianhua He
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Huiying Li: School of Resources and Environmental Sciences, Wuhan University, Wuhan 430079, China
Dianfeng Liu: School of Resources and Environmental Sciences, Wuhan University, Wuhan 430079, China
Jianhua He: School of Resources and Environmental Sciences, Wuhan University, Wuhan 430079, China

Sustainability, 2022, vol. 14, issue 3, 1-14

Abstract: Urban green space (UGS) can simultaneously provide social and ecological benefits for humans. Although numerous studies have evaluated the multifunctional benefits of urban green space, few of them have determined the differentiated conservation priorities of UGS towards the tradeoff relationship of multiple UGS functions. Here, we proposed an integrated framework to explore the targeted conservation strategies of UGS patches. Specifically, the circuit theory model and gravity floating catchment area method were adopted to evaluate ecological connectivity and spatial accessibility of UGS under multiple scenarios in terms of different species dispersal distances and resident travelling modes, and Pareto ranking analysis was utilized to identify conservation priorities of UGS. Wuhan City in central China was taken as a case study. The results show that Wuhan exhibits low synergic relationship of ecological connectivity and spatial accessibility of UGS, and only approximately 7.51% of UGS patches on average rank high. Based on the frequency of UGS Pareto ranks under different scenarios, the differentiated conservation strategy was developed, which identified 10 key green areas that need to be protected and 11 green areas that need to be restored. This work is expected to provide an applicable framework to identify key UGS patches and assist in urban planning and layout optimization of multifunctional UGS in Wuhan, China.

Keywords: urban green space; pareto ranking; ecological connectivity; spatial accessibility (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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