Investigating the Impact of Urban Parks on Bird Habitats and Diversity Through Remote Sensing: A Case Study of Chengdu City (China)

Chenyang Liao, Yumeng Jiang, Mingle Yang, Kexin Feng and Jiazhen Zhang ()
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Chenyang Liao: College of Architecture & Environment, Sichuan University, Chengdu 610065, China
Yumeng Jiang: College of Architecture & Environment, Sichuan University, Chengdu 610065, China
Mingle Yang: College of Architecture & Environment, Sichuan University, Chengdu 610065, China
Kexin Feng: Sichuan Institute of Urban and Rural Construction, Chengdu 610041, China
Jiazhen Zhang: Wales College, Lanzhou University, Lanzhou 730000, China

Land, 2025, vol. 14, issue 10, 1-23

Abstract: Accelerated urbanization has induced marked biodiversity loss in metropolitan regions, with urban parks emerging as critical habitat patches for avian species within intensively developed built environments. As a global pioneer in park city conceptualization, Chengdu (China) has achieved notable advancements in urban green space extent and quality through systematic planning efforts. This investigation examines the avian–habitat relationships in Chengdu’s central urban area (2010–2020) using multispectral remote sensing data, employing the ENVI5.6 (Environment for Visualizing Images) software for spatial analysis, and applying the InVEST3.2.0 (Integrated Valuation of Ecosystem Services and Tradeoffs) model to identify high-quality habitats, evaluate landscape connectivity, and analyze community composition dynamics. Through a correlation analysis of seven environmental characteristic factors with avian biodiversity in 24 urban parks, the impact mechanism of avian habitat functions was explored. On this basis, measures such as optimizing the plant community structure of riverside greenways and road green spaces, expanding small-scale green spaces near parks, and so on are proposed to promote the enhancement of urban park habitat functions and the protection of avian biodiversity.

Keywords: bird diversity; habitat quality; correlation analysis; environmental characteristic factors; habitat patch; high-density city; land-use change; urban ecosystem; urbanization; park green space (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2025
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