Genetic variance in fitness indicates rapid contemporary adaptive evolution in wild animals

Author:

Bonnet Timothée1ORCID,Morrissey Michael B.2ORCID,de Villemereuil Pierre34ORCID,Alberts Susan C.5ORCID,Arcese Peter6ORCID,Bailey Liam D.7ORCID,Boutin Stan8ORCID,Brekke Patricia9ORCID,Brent Lauren J. N.10ORCID,Camenisch Glauco11,Charmantier Anne12ORCID,Clutton-Brock Tim H.1314ORCID,Cockburn Andrew1,Coltman David W.8ORCID,Courtiol Alexandre7ORCID,Davidian Eve7ORCID,Evans Simon R.151617ORCID,Ewen John G.9ORCID,Festa-Bianchet Marco18ORCID,de Franceschi Christophe12,Gustafsson Lars16ORCID,Höner Oliver P.7ORCID,Houslay Thomas M.1317ORCID,Keller Lukas F.1119ORCID,Manser Marta1114ORCID,McAdam Andrew G.20ORCID,McLean Emily21ORCID,Nietlisbach Pirmin22ORCID,Osmond Helen L.1,Pemberton Josephine M.23ORCID,Postma Erik17ORCID,Reid Jane M.2425ORCID,Rutschmann Alexis4ORCID,Santure Anna W.4ORCID,Sheldon Ben C.15ORCID,Slate Jon26ORCID,Teplitsky Céline12ORCID,Visser Marcel E.27ORCID,Wachter Bettina7ORCID,Kruuk Loeske E. B.123

Affiliation:

1. Research School of Biology, Australian National University, Canberra, ACT, Australia.

2. School of Biology, University of St Andrews, St Andrews, Fife, UK.

3. Institut de Systématique, Évolution, Biodiversité (ISYEB), École Pratique des Hautes Études, PSL, MNHN, CNRS, SU, UA, Paris, France.

4. School of Biological Sciences, University of Auckland, Auckland, New Zealand.

5. Departments of Biology and Evolutionary Anthropology, Duke University, Durham, NC, USA.

6. Forest and Conservation Sciences, University of British Columbia, Vancouver, British Columbia, Canada.

7. Departments of Evolutionary Ecology and Evolutionary Genetics, Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany.

8. Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada.

9. Institute of Zoology, Zoological Society of London, Regents Park, London, UK.

10. Centre for Research in Animal Behaviour, University of Exeter, Penryn, UK.

11. Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland.

12. Centre d’Écologie Fonctionnelle et Évolutive, Université de Montpellier, CNRS, EPHE, IRD, Montpellier, France.

13. Department of Zoology, University of Cambridge, Cambridge, UK.

14. Mammal Research Institute, University of Pretoria, Pretoria, South Africa.

15. Edward Grey Institute, Department of Zoology, University of Oxford, Oxford, UK.

16. Department of Ecology and Genetics, Uppsala University, Uppsala, Sweden.

17. Centre for Ecology and Conservation, University of Exeter, Penryn, UK.

18. Département de Biologie, Université de Sherbrooke, Sherbrooke, Québec, Canada.

19. Zoological Museum, University of Zurich,, Zurich, Switzerland.

20. Department of Ecology and Evolutionary Biology, University of Colorado, Boulder, CO, USA.

21. Biology Department, Oxford College, Emory University, Oxford, GA, USA.

22. School of Biological Sciences, Illinois State University, Normal, IL, USA.

23. Institute of Evolutionary Biology, University of Edinburgh, Edinburgh, UK.

24. Centre for Biodiversity Dynamics, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.

25. School of Biological Sciences, University of Aberdeen, Aberdeen, UK.

26. Ecology and Evolutionary Biology, School of Biosciences, University of Sheffield, Sheffield, UK.

27. Department of Animal Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Wageningen, Netherlands.

Abstract

The rate of adaptive evolution, the contribution of selection to genetic changes that increase mean fitness, is determined by the additive genetic variance in individual relative fitness. To date, there are few robust estimates of this parameter for natural populations, and it is therefore unclear whether adaptive evolution can play a meaningful role in short-term population dynamics. We developed and applied quantitative genetic methods to long-term datasets from 19 wild bird and mammal populations and found that, while estimates vary between populations, additive genetic variance in relative fitness is often substantial and, on average, twice that of previous estimates. We show that these rates of contemporary adaptive evolution can affect population dynamics and hence that natural selection has the potential to partly mitigate effects of current environmental change.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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