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Heterogeneous urban green areas are bird diversity hotspots: insights using continental-scale citizen science data

Callaghan, Corey T. ; Bino, Gilad ; Major, Richard E. ; Martin, John M. ; Lyons, Mitchell B. ; Kingsford, Richard T.

Landscape ecology, 2019-06, Vol.34 (6), p.1231-1246 [Periódico revisado por pares]

Dordrecht: Springer Netherlands

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Título:
Heterogeneous urban green areas are bird diversity hotspots: insights using continental-scale citizen science data
Autor: Callaghan, Corey T. ; Bino, Gilad ; Major, Richard E. ; Martin, John M. ; Lyons, Mitchell B. ; Kingsford, Richard T.
Assuntos: Biodiversity ; Biomedical and Life Sciences ; Birds ; Ecology ; Environmental Management ; Heterogeneity ; Indigenous species ; Introduced species ; Landscape Ecology ; Landscape/Regional and Urban Planning ; Life Sciences ; Nature Conservation ; Nonlinear response ; Remote sensing ; Research Article ; Smart growth ; Species diversity ; Species richness ; Sustainable Development ; Urban areas ; Urban planning ; Urbanization
É parte de: Landscape ecology, 2019-06, Vol.34 (6), p.1231-1246
Descrição: Context Urbanization fragments and destroys natural landscapes, generally decreasing bird diversity. While in some cases bird diversity continuously decreases in response to urbanization, in others a non-linear response is evident, with peak bird diversity observed at intermediate levels of urbanization. But many studies previously investigating this pattern are spatially or temporally constrained. Objectives In this study, we analyzed the impacts of urbanization on bird diversity, stratified to native and exotic species. We specifically investigated the differences in bird diversity between natural and urban green areas. Methods We used eBird citizen science data (> 4,000,000 bird-survey lists) and remotely-sensed landcover data, throughout the contiguous United States of America. Results We found a non-linear response to urbanization for both species richness and Shannon diversity. There was distinctly greater bird richness and Shannon diversity in urban green areas compared to natural green areas. Our observed response is likely explained by an increase in habitat heterogeneity of urban green areas compared with natural green areas. Conclusions Our work highlights the importance of diverse urban green areas for supporting bird diversity in urban areas. We recommend that urban planning should focus on maintaining high habitat heterogeneity in urban green areas to promote greater bird diversity.
Editor: Dordrecht: Springer Netherlands
Idioma: Inglês

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Heterogeneous urban green areas are bird diversity hotspots: insights using continental-scale citizen science data

Callaghan, Corey T. ; Bino, Gilad ; Major, Richard E. ; Martin, John M. ; Lyons, Mitchell B. ; Kingsford, Richard T.

Dordrecht: Springer Netherlands

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