Metapopulation structure favors plasticity over local adaptation

The American Naturalist
Sonia E Sultan, Hamish G Spencer

Abstract

We describe a model for the evolutionary consequences of plasticity in an environmentally heterogeneous metapopulation in which specialists for each of two alternative environments and one plastic type are initially present. The model is similar to that proposed by Moran (1992) but extends her work to two sites. We show that with migration between sites the plastic type is favored over local specialists across a broad range of parameter space. The plastic type may dominate or be fixed even in an environmentally uniform site, and even if the plasticity has imperfect accuracy or bears some cost such that a local specialist has higher fitness in that site, as long as there is some migration between sites with different distributions of environmental states. These results suggest that differences among taxa in dispersal and hence realized migration rates may play a heretofore unrecognized role in their patterns of adaptive population differentiation. Migration relaxes the thresholds for both environmental heterogeneity and accuracy of plastic response above which plasticity is favored. Furthermore, small changes in response accuracy can dramatically and abruptly alter the evolutionary outcome in the metapopulation. A fitness cost t...Continue Reading

References

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Dec 20, 2000·Trends in Plant Science·S E Sultan
Feb 1, 1998·Trends in Ecology & Evolution·T J DewittD S Wilson

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Citations

Feb 1, 2010·Journal of Developmental Origins of Health and Disease·P D GluckmanT Buklijas
Apr 25, 2013·Heredity·J T AndersonT Mitchell-Olds
Jul 23, 2004·Nature·Patrick BatesonSonia E Sultan
Mar 26, 2013·The British Journal for the Philosophy of Science·Nicholas Shea
Jun 28, 2011·Integrative and Comparative Biology·Karen M Warkentin
May 29, 2012·Integrative and Comparative Biology·Erik E Sotka
Oct 23, 2009·Proceedings. Biological Sciences·Josh R AuldRick A Relyea
Dec 5, 2012·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Luis-Miguel ChevinSimon Fellous
Oct 28, 2010·Biological Reviews of the Cambridge Philosophical Society·Ulla Tuomainen, Ulrika Candolin
Apr 7, 2010·BMC Ecology·Sarah K McMenamin, Elizabeth A Hadly
Jun 9, 2007·Ecological Applications : a Publication of the Ecological Society of America·Alison M Derry, Shelley E Arnott
Jan 29, 2010·Reproduction : the Official Journal of the Society for the Study of Fertility·Piraye YurttasScott A Coonrod
Feb 19, 2011·Annual Review of Marine Science·Eric Sanford, Morgan W Kelly
Jun 7, 2011·Annual Review of Phytopathology·Linda L KinkelDaniel C Schlatter
Jun 3, 2015·Annual Review of Ecology, Evolution, and Systematics·Mark L Siegal, Jun-Yi Leu
Nov 8, 2014·Proceedings. Biological Sciences·Erik I SvenssonMaren Wellenreuther
Dec 21, 2002·Evolution & Development·Sonia E Sultan
Jan 1, 2011·Theoretical Ecology·Duncan N L MengeJoshua S Weitz
Mar 8, 2011·Human Molecular Genetics·Stéphanie ToméChristopher E Pearson
Oct 23, 2015·Journal of Evolutionary Biology·Bram Kuijper, Rufus A Johnstone
Apr 19, 2008·The American Naturalist·Michael F Benard, Shannon J McCauley

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