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Global urban signatures of phenotypic change in animal and plant populations.


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Publication Date: 2017-08

Journal Title: Proceedings of the National Academy of Sciences of the United States of America

ISSN: 0027-8424

Publisher: National Academy of Sciences

Volume: 114

Issue: 34

Pages: 8951-8956

Language: English

Type: Article

This Version: AM

Physical Medium: Print-Electronic

Metadata: Show full item record

Citation: Alberti, M., Correa, C., Marzluff, J. M., Hendry, A. P., Palkovacs, E. P., Gotanda, K., Hunt, V. M., et al. (2017). Global urban signatures of phenotypic change in animal and plant populations

Proceedings of the National Academy of Sciences of the United States of America, 114 (34), 8951-8956. https://doi.org/10.1073/pnas.1606034114

Abstract: Humans challenge the phenotypic, genetic, and cultural makeup of species by affecting the fitness landscapes on which they evolve. Recent studies show that cities might play a major role in contemporary evolution by accelerating phenotypic changes in wildlife, including animals, plants, fungi, and other organisms. Many studies of ecoevolutionary change have focused on anthropogenic drivers, but none of these studies has specifically examined the role that urbanization plays in ecoevolution or explicitly examined its mechanisms. This paper presents evidence on the mechanisms linking urban development patterns to rapid evolutionary changes for species that play important functional roles in communities and ecosystems. Through a metaanalysis of experimental and observational studies reporting more than 1,600 phenotypic changes in species across multiple regions, we ask whether we can discriminate an urban signature of phenotypic change beyond the established natural baselines and other anthropogenic signals. We then assess the relative impact of five types of urban disturbances including habitat modifications, biotic interactions, habitat heterogeneity, novel disturbances, and social interactions. Our study shows a clear urban signal; rates of phenotypic change are greater in urbanizing systems compared with natural and nonurban anthropogenic systems. By explicitly linking urban development to traits that affect ecosystem function, we can map potential ecoevolutionary implications of emerging patterns of urban agglomerations and uncover insights for maintaining key ecosystem functions upon which the sustainability of human well-being depends.

Sponsorship: We thank the John D. and Catherine T. MacArthur Foundation for partially supporting the study (Grant 14-106477-000-USP). C.C. was funded by Comisión Nacional de Investigación Científica y TecnológicaPrograma de Atracción e Inserción de Capital Humano Avanzado (CONICYTPAI) Grant 82130009 and Fondo Nacional de Desarrollo Científico y Tecnológico (FONDECYT) Grant 11150990.

Identifiers:

External DOI: https://doi.org/10.1073/pnas.1606034114

This record's URL: https://www.repository.cam.ac.uk/handle/1810/262166



Rights:

Licence:

http://creativecommons.org/licenses/by-nc/4.0/





Autor: Alberti, MarinaCorrea, CristianMarzluff, John MHendry, Andrew PPalkovacs, Eric P Gotanda, KiyokoHunt, Victoria MApgar, Travis MZh

Fuente: https://www.repository.cam.ac.uk/handle/1810/262166



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