Gene flow from an adaptively divergent source causes rescue through genetic and demographic factors in two wild populations of Trinidadian guppies
Fitzpatrick, S. W., Gerberich, J. C., Angeloni, L. M., Bailey, L. L., Broder, E. D., Torres-Dowdall, J., Handelsman, C. A., Lopez Sepulcre, A., Reznick, D. N., Ghalambor, C. K., & Funk, W. C. (2016). Gene flow from an adaptively divergent source causes rescue through genetic and demographic factors in two wild populations of Trinidadian guppies. Evolutionary Applications, 9(7), 879-891. https://doi.org/10.1111/eva.12356
Published in
Evolutionary ApplicationsAuthors
Date
2016Discipline
Ekologia ja evoluutiobiologiaBiologisten vuorovaikutusten huippututkimusyksikköEcology and Evolutionary BiologyCentre of Excellence in Biological Interactions ResearchCopyright
© 2016 The Authors. Evolutionary Applications published by John Wiley & Sons Ltd.
Genetic rescue, an increase in population growth owing to the infusion of new alleles, can aid the persistence of small populations. Its use as a management tool is limited by a lack of empirical data geared toward predicting effects of gene flow on local adaptation and demography. Experimental translocations provide an ideal opportunity to monitor the demographic consequences of gene flow. In this study we take advantage of two experimental introductions of Trinidadian guppies to test the effects of gene flow on downstream native populations. We individually marked guppies from the native populations to monitor population dynamics for 3 months before and 26 months after gene flow. We genotyped all individuals caught during the first 17 months at microsatellite loci to classify individuals by their genetic ancestry: native, immigrant, F1 hybrid, F2 hybrid, or backcross. Our study documents a combination of demographic and genetic rescue over multiple generations under fully natural conditions. Within both recipient populations, we found substantial and long‐term increases in population size that could be attributed to high survival and recruitment caused by immigration and gene flow from the introduction sites. Our results suggest that low levels of gene flow, even from a divergent ecotype, can provide a substantial demographic boost to small populations, which may allow them to withstand environmental stochasticity.
...
Publisher
Wiley-Blackwell Publishing, Inc.ISSN Search the Publication Forum
1752-4571Keywords
Publication in research information system
https://converis.jyu.fi/converis/portal/detail/Publication/25532237
Metadata
Show full item recordCollections
Additional information about funding
This project was funded by National Science Foundation grants to W.C.F. and L.M.A. (DEB‐0846175), D.N.R (EF‐0623632), C.K.G (DEB‐0846175) and a NSF graduate research fellowship, National Geographic Young Explorer's Grant, and Society for the Study of Evolution Rosemary Grant Student Research Award to S.W.F. This is Kellogg Biological Station Contribution no. 1910.License
Except where otherwise noted, this item's license is described as © 2016 The Authors. Evolutionary Applications published by John Wiley & Sons Ltd.
Related items
Showing items with similar title or keywords.
-
Spatio-temporal dynamics of density-dependent dispersal during a population colonisation
De Bona, Sebastiano; Bruneaux, Matthieu; Lee, Alexander; Reznick, David N.; Bentzen, Paul; Lopez Sepulcre, Andres (Wiley-Blackwell Publishing Ltd., 2019)Predicting population colonisations requires understanding how spatio‐temporal changes in density affect dispersal. Density can inform on fitness prospects, acting as a cue for either habitat quality, or competition over ... -
Experimental study of species invasion : early population dynamics and role of disturbance in invasion success
Reznick, David N.; De Bona, Sebastiano; López-Sepulcre, Andrés; Torres, Mauricio; Bassar, Ronald D.; Benzen, Paul; Travis, Joseph (John Wiley & Sons, 2020)Much of our understanding of natural invasions is retrospective, based on data acquired after invaders become established. As a consequence, we know little about the characteristics of the early population growth and habitat ... -
Rapid Changes in the Sex Linkage of Male Coloration in Introduced Guppy Populations
Gordon, Swanne; Lopez Sepulcre, Andres; Rumbo, Diana; Reznick, David N. (University of Chicago Press; American Society of Naturalists, 2017)Theory predicts that the sex linkage of sexually selected traits can influence the direction and rate of evolution and should itself evolve in response to sex-specific selection. Some studies have found intraspecific ... -
Movement of forest‐dependent dung beetles through riparian buffers in Bornean oil palm plantations
Gray, Ross E., J.; Rodriguez, Luisa, F.; Lewis, Owen, T.; Chung, Arthur Y., C.; Ovaskainen, Otso; Slade, Eleanor, M. (Wiley, 2022)1. Fragmentation of tropical forests is increasing globally, with negative impacts for biodiversity. In Southeast Asia, expansion of oil palm agriculture has caused widespread deforestation, forest degradation, and ... -
Who are the Showroomers? Socio-Demographic Factors Behind the Showrooming Behavior on Mobile Devices
Holkkola, Matilda; Nyrhinen, Jussi; Makkonen, Markus; Frank, Lauri; Karjaluoto, Heikki; Wilska, Terhi-Anna (University of Maribor, 2022)This quantitative study focuses on socio-demographic variables and their associations with different forms of showrooming behavior. The purpose of this study is to find which consumer groups based on age, gender, and income ...