DOI: 10.1111/gcb.13395
论文题名: Urbanization and biological invasion shape animal personalities
作者: Lapiedra O. ; Chejanovski Z. ; Kolbe J.J.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2017
卷: 23, 期: 2 起始页码: 592
结束页码: 603
语种: 英语
英文关键词: animal behavior
; animal personalities
; Anolis sagrei
; behavioral syndromes
; behavioral types
; biological invasions
; global change
; human-induced rapid environmental changes
; risk-taking
; urbanization
Scopus关键词: Animalia
; Anolis
; Anolis sagrei
; Leiocephalus carinatus
; Squamata
英文摘要: Novel selective pressures derived from human activities challenge the persistence of animal populations worldwide. Behavior is expected to be a major factor driving animals’ responses to global change because it largely determines how animals interact with the environment. However, the role of individual variation in behavior to facilitate the persistence of animals in changing environments remains poorly understood. Here, we adopted an animal personality approach to investigate whether different behavioral traits allow animals to deal with two major components of global change: urbanization and biological invasions. By studying six populations of Anolis sagrei lizards, we found for the first time that anoles vary consistently in their behavior across different times and contexts. Importantly, these animal personalities were consistent in the wild and in captivity. We investigated whether behavioral traits are pulled in different directions by different components of global change. On the one hand, we found that lizards from urban areas differ from nearby forest lizards in that they were more tolerant of humans, less aggressive, bolder after a simulated predator attack, and they spent more time exploring new environments. Several of these risk-taking behaviors constituted a behavioral syndrome that significantly differed between urban and forest populations. On the other hand, the behavior of urban A. sagrei coexisting with the invasive predatory lizard Leiocephalus carinatus was associated with dramatic changes in their foraging niche. Overall, we provide evidence that differences in animal personalities facilitate the persistence of animals under novel selective regimes by producing adaptive behaviors relevant to their ecology such as predator avoidance. Our results suggest that natural selection can favor certain behaviors over others when animals are confronted with different ecological challenges posed by global change. Therefore, we underscore the need to incorporate behavioral ecology into the study of how animals adaptively respond to human-induced environmental changes. © 2016 John Wiley & Sons Ltd 资助项目: We thank Jonathan Losos, Manuel Leal, and Tom Schoener, members of the Kolbe Lab at the University of Rhode Island and Losos Lab at Harvard University and Marta Melé for providing helpful comments on earlier versions of the manuscript and Kevin Avilés-Rodríguez for assistance in the field. This research was funded by the University of Rhode Island and a National Science Foundation (DEB-1354897) grant to JJK. The University of Rhode Island Institutional Animal Care and Use Committee approved protocols for use of vertebrate animals in this study (AN11-09-005).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/61091
Appears in Collections: 影响、适应和脆弱性
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作者单位: Department of Biological Sciences, University of Rhode Island, Kingston, RI, United States
Recommended Citation:
Lapiedra O.,Chejanovski Z.,Kolbe J.J.. Urbanization and biological invasion shape animal personalities[J]. Global Change Biology,2017-01-01,23(2)