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Sapage M, Santos M, Matos M, Schlupp I, Varela SAM. Mate-choice copying accelerates species range expansion. Proc Biol Sci 2024; 291:20241201. [PMID: 39166957 PMCID: PMC11338046 DOI: 10.1098/rspb.2024.1201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 07/09/2024] [Accepted: 07/09/2024] [Indexed: 08/23/2024] Open
Abstract
Mate-choice copying is a type of social learning in which females can change their mate preference after observing the choice of others. This behaviour can potentially affect population evolution and ecology, namely through increased dispersal and reduced local adaptation. Here, we simulated the effects of mate-choice copying in populations expanding across an environmental gradient to understand whether it can accelerate or retard the expansion process. Two mate-choice copying strategies were used: (i) when females target a single individual and (ii) when females target similar individuals. We also simulated cases where the male trait singled out by females with mate choice maps perfectly onto his genotype or is influenced by genotype-by-environment interactions. These rules have different effects on the results. When a trait is determined by genotype alone, populations where copier females target all similar males expand faster and the number of potential copiers increased. However, when preference is determined by genotype-by-environment interactions, populations where copier females target a single male had higher dispersal and also expand faster, but the potential number of copiers decreases. The results show that mate-choice copying can accelerate the expansion process, although its adaptiveness depends on the information animals use in different contexts.
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Affiliation(s)
- Manuel Sapage
- cE3c - Centre for Ecology, Evolution and Environmental Changes & CHANGE - Global Change and Sustainability Institute, Faculty of Sciences, University of Lisbon, Campo Grande, Lisbon1749-016, Portugal
- Department of Animal Biology, Faculty of Sciences, University of Lisbon, Campo Grande, Lisbon1749-016, Portugal
| | - Mauro Santos
- cE3c - Centre for Ecology, Evolution and Environmental Changes & CHANGE - Global Change and Sustainability Institute, Faculty of Sciences, University of Lisbon, Campo Grande, Lisbon1749-016, Portugal
- Departament de Genètica i de Microbiologia, Grup de Genòmica, Bioinformàtica i Biologia Evolutiva (GBBE), Universitat Autònoma de Barcelona, Bellaterra, Barcelona08193, Spain
- Institute of Evolution, Centre for Ecological Research, Konkoly-Thege Miklós út 29-33, BudapestH-1121, Hungary
| | - Margarida Matos
- cE3c - Centre for Ecology, Evolution and Environmental Changes & CHANGE - Global Change and Sustainability Institute, Faculty of Sciences, University of Lisbon, Campo Grande, Lisbon1749-016, Portugal
- Department of Animal Biology, Faculty of Sciences, University of Lisbon, Campo Grande, Lisbon1749-016, Portugal
| | - Ingo Schlupp
- School of Biological Sciences, University of Oklahoma, 730 Van Vleet Oval, Norman, OK73019, USA
| | - Susana A. M. Varela
- cE3c - Centre for Ecology, Evolution and Environmental Changes & CHANGE - Global Change and Sustainability Institute, Faculty of Sciences, University of Lisbon, Campo Grande, Lisbon1749-016, Portugal
- William James Center for Research, ISPA—Instituto Universitário, Rua Jardim do Tabaco 34, Lisbon1100-304, Portugal
- Instituto Gulbenkian de Ciência, Oeiras2780-156, Portugal
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Affiliation(s)
- Barbara Taborsky
- Behavioural Ecology Division Institute of Ecology and Evolution University of Bern Bern Switzerland
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