The joint evolution of learning and dispersal maintains intraspecific diversity in metapopulations
Liedtke, J., & Fromhage, L. (2021). The joint evolution of learning and dispersal maintains intraspecific diversity in metapopulations. Oikos, 130(5), 808-818. https://doi.org/10.1111/oik.08208
© 2021 The Authors. Oikos published by John Wiley & Sons Ltd on behalf of Nordic Society Oikos
The evolution of dispersal tendencies and of cognitive abilities have both been intensely studied. Yet little attention has been given to the question of how these two aspects may relate to each other, as a result of their joint evolution. On the one hand, learning abilities may help dispersers to cope with their new habitat. On the other hand, dispersal may sometimes reduce the need for learning, because local environments may differ in how much there is to learn. To get a better understanding of this relationship, we built an individual‐based simulation in which both learning speed and dispersal tendency were free to evolve. We found that both positive and negative correlations could evolve between these traits, depending on properties both of local patches and of the metapopulation as a whole. We also found that dispersal stabilized the co‐existence of different cognitive types in the metapopulation, underscoring its importance for maintaining biodiversity within species.
ISSN Search the Publication Forum0030-1299
Dataset(s) related to the publicationhttp://dx.doi.org/10.5061/dryad.qz612jmck
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Related funder(s)Academy of Finland
Funding program(s)Research costs of Academy Research Fellow, AoF
Additional information about fundingJL received funding by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – Project: 394327820. LF received funding from the Academy of Finland (grant 283486). The funding bodies played no role in the design of the study and collection, analysis and interpretation of data and in writing the manuscript.
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