Analysis of Spatial Divergence in Bird Diversity Driven by Built Environment Characteristics of Ecological Corridors in High-Density Urban Areas

Di Wang, Lang Zhang (), Qicheng Zhong, Guilian Zhang, Xuanying Chen and Qingping Zhang ()
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Di Wang: College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China
Lang Zhang: College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China
Qicheng Zhong: Shanghai Academy of Landscape Architecture Science and Planning, Shanghai 200232, China
Guilian Zhang: Shanghai Academy of Landscape Architecture Science and Planning, Shanghai 200232, China
Xuanying Chen: College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China
Qingping Zhang: College of Landscape Architecture, Nanjing Forestry University, Nanjing 210037, China

Land, 2024, vol. 13, issue 9, 1-20

Abstract: Urban ecological corridors play an important role in facilitating bird migration and maintaining biodiversity in urban landscapes as key connections between habitat patches. However, the effects of built environment characteristics of urban ecological corridors on bird diversity have not been well understood. In this study, we used Minhang District, Shanghai, as an example to describe the built environment of urban ecological corridors through three dimensions (habitat characteristics, degree of surrounding urbanization, and degree of slow-traffic connectivity). We calculated species richness, abundance, Shannon–Wiener index, and Simpson Index to assess bird diversity based on the bird observation dataset from the Citizen Science Data Sharing Platform. The effects of built environment characteristics of urban ecological corridors on bird diversity were quantified by the Generalized Linear Model. The results showed that: (1) There were significant differences in the built environment characteristics of urban ecological corridors, which formed the spatial differentiation pattern of bird diversity. (2) Different built environment features of urban ecological corridors have different impacts on bird diversity. Habitat suitability of urban ecological corridors was positively correlated with bird diversity, with birds preferring to inhabit waters with an area of more than 1 ha. The degree of urbanization was negatively correlated with bird diversity, with distance to the center of the area proving to have the strongest positive effect. The degree of slow-traffic connectivity proved that low-intensity human activities in urban ecological corridors had a lower impact on bird diversity. The above findings can provide scientific reference for the construction of urban and regional ecological networks in the future.

Keywords: urban ecological corridors; urban biodiversity; urban built environments; citizen observation data; urbanization (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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