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  Predator coevolution and prey trait variability determine species coexistence

Scheuerl, T., Cairns, J., Becks, L., & Hiltunen, T. (2019). Predator coevolution and prey trait variability determine species coexistence. Proceedings of the Royal Society B: Biological Sciences, 286(1902): 20190245. Retrieved from https://doi.org/10.1098/rspb.2019.0245.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-C7AC-B Version Permalink: http://hdl.handle.net/21.11116/0000-0003-C7AD-A
Genre: Journal Article

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 Creators:
Scheuerl, Thomas, Author
Cairns, Johannes, Author
Becks, Lutz1, Author              
Hiltunen, Teppo, Author
Affiliations:
1Emmy-Noether-Group Community Dynamics, Department Evolutionary Ecology, Max Planck Institute for Evolutionary Biology, Max Planck Society, ou_2068285              

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Free keywords: community dynamics, genetic diversity, ecoevolutionary dynamics, predator–prey interaction, Pseudomonas fluorescens SBW25, Tetrahymena thermophila
 Abstract: Predation is one of the key ecological mechanisms allowing species coexistence and influencing biological diversity. However, ecological processes are subject to contemporary evolutionary change, and the degree to which predation affects diversity ultimately depends on the interplay between evolution and ecology. Furthermore, ecological interactions that influence species coexistence can be altered by reciprocal coevolution especially in the case of antagonistic interactions such as predation or parasitism. Here we used an experimental evolution approach to test for the role of initial trait variation in the prey population and coevolutionary history of the predator in the ecological dynamics of a two-species bacterial community predated by a ciliate. We found that initial trait variation both at the bacterial and ciliate level enhanced species coexistence, and that subsequent trait evolutionary trajectories depended on the initial genetic diversity present in the population. Our findings provide further support to the notion that the ecology-centric view of diversity maintenance must be reinvestigated in light of recent findings in the field of eco-evolutionary dynamics.

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Language(s): eng - English
 Dates: 2019-01-292019-04-252019-05
 Publication Status: Published in print
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Title: Proceedings of the Royal Society B: Biological Sciences
  Abbreviation : Proc. R. Soc. B
Source Genre: Journal
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Publ. Info: London : Royal Society
Pages: - Volume / Issue: 286 (1902) Sequence Number: 20190245 Start / End Page: - Identifier: ISSN: 0962-8452
CoNE: https://pure.mpg.de/cone/journals/resource/110975500577295_2