Long-Term Coupling Coordination Between Bird Diversity and Artificial Light at Night: Spatiotemporal Dynamics and Drivers in Shanghai

Meng Guo, Zhenghao Tao, Chen Qu and Li Tan ()
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Meng Guo: Gold Mantis School of Architecture, Soochow University, Suzhou 215127, China
Zhenghao Tao: Gold Mantis School of Architecture, Soochow University, Suzhou 215127, China
Chen Qu: School of Landscape Architecture, Northeast Forestry University, Harbin 150040, China
Li Tan: Gold Mantis School of Architecture, Soochow University, Suzhou 215127, China

Sustainability, 2025, vol. 17, issue 17, 1-25

Abstract: Balancing urban nighttime development with biodiversity conservation requires a clear understanding of how artificial light at night (ALAN) affects wildlife over time. However, long-term, fine-scale quantitative assessments remain scarce. Here, we analyzed bird diversity and ALAN in Shanghai from 2000 to 2024 at a 1 km resolution by integrating bird observation records with satellite-derived nighttime light data. We quantified the interaction between bird diversity and ALAN using a coupling coordination degree model (CCDM) and identified key drivers with GeoDetector. Our results show that bird diversity increased in 16% of the study area, though spatially fragmented, while ALAN intensified and expanded outward from the urban core, affecting 4.6% of the area. Areas with moderate or higher coordination (CCD > 0.5) nearly doubled, primarily in urban–suburban transition zones. Urban land use, road density, and vegetation cover (NDVI) were the dominant drivers, with NDVI-related interactions significantly enhancing explanatory power. These findings provide the first long-term, spatially explicit assessment of ALAN–bird diversity interactions in Shanghai, offering quantitative guidance for zoning-based lighting management, green space planning, and biodiversity-friendly urban development.

Keywords: artificial light at night; bird diversity; coupling coordination degree; spatiotemporal analysis (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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