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Título: | Niche segregation, competition and urbanization |
Autor: | Møller, Anders Pape; Díaz, Mario | Palabras clave: | Isolation by time Distance to human habitation Isolation by habitat Birds Mechanisms |
Fecha de publicación: | abr-2018 | Editor: | Oxford University Press | Citación: | Current Zoology 64(2): 145-152 (2018) | Resumen: | Urbanization of species is an ongoing process where successful urban colonizers usually obtain large fitness benefits. Mechanisms proposed to explain associations between urbanization and life-history traits are based on behavioral flexibility in food and habitat use and reduced fear responses. We test the novel hypothesis that interspecific competition for proximity to humans is driving urbanization. We recorded the distance during the breeding season to human habitation for 50 pairs of closely related bird species, where one was closely associated with humans while the other species was not. The degree of urbanization was larger as was range size and abundance in the species more closely associated to humans. Flight initiation distance was shorter, and species closely associated with humans were more abundant in ancestral rural habitats. Likewise, species more closely associated with humans reproduced earlier and during longer periods. These results are consistent with the hypothesis that urbanization is promoted by interspecific competition. Resulting isolation by urban habitat may further facilitate contemporary adaptation to urban environments. | Versión del editor: | https://doi.org/10.1093/cz/zox025 | URI: | http://hdl.handle.net/10261/197550 | DOI: | 10.1093/cz/zox025 | ISSN: | 1674-5507 | E-ISSN: | 2396-9814 |
Aparece en las colecciones: | (MNCN) Artículos |
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Niche_Niche_Art2018.pdf | 412,44 kB | Adobe PDF | Visualizar/Abrir |
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