| Natural selection, plasticity and the emergence of a behavioural syndrome in the wild. | |
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MedLine Citation:
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PMID: 23034098 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Individuals often show consistent behavioural differences where behaviours can form integrated units across functionally different contexts. However, the factors causing and maintaining behavioural syndromes in natural populations remain poorly understood. In this study, we provide evidence for the emergence of a behavioural syndrome during the first months of life in wild brown trout (Salmo trutta). Behavioural traits of trout were scored before and after a 2-month interval covering a major survival bottleneck, whereupon the consistency and covariance of behaviours were analysed. We found that selection favoured individuals with high activity levels in an open-field context, a personality trait consistent throughout the duration of the experiment. In addition, a behavioural syndrome emerged over the 2 months in the wild, linking activity to aggressiveness and exploration tendency. These novel results suggest that behavioural syndromes can emerge rapidly in nature from interaction between natural selection and behavioural plasticity affecting single behaviours. |
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Authors:
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Bart Adriaenssens; Jörgen I Johnsson; Andrew Sih |
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Publication Detail:
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Type: LETTER Date: 2012-10-3 |
Journal Detail:
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Title: Ecology letters Volume: - ISSN: 1461-0248 ISO Abbreviation: Ecol. Lett. Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-4 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101121949 Medline TA: Ecol Lett Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2012 Blackwell Publishing Ltd/CNRS. |
Affiliation:
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Evolution & Ecology Research Centre, School of Biological, Earth & Environmental Sciences, University of New South Wales, Sydney, NSW, 2052, Australia. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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