Is colour polymorphism advantageous to populations and species? - PubMed (original) (raw)
Comment
. 2016 Jun;25(12):2693-8.
doi: 10.1111/mec.13629. Epub 2016 May 14.
Affiliations
- PMID: 27178084
- DOI: 10.1111/mec.13629
Comment
Is colour polymorphism advantageous to populations and species?
Anders Forsman. Mol Ecol. 2016 Jun.
Abstract
I am writing in response to an article by Bolton, Rollins and Griffith (2015) entitled 'The danger within: the role of genetic, behavioural and ecological factors in population persistence of colour polymorphic species' that was recently published as an Opinion under the NEWS AND VIEWS section in Molecular Ecology. Bolton et al. (Molecular Ecology, 2015, 24, 2907) argue that colour polymorphism may reduce population fitness and increase extinction risk and emphasize that this is contrary to predictions put forward by Forsman et al. (Ecology, 89, 2008, 34) and Wennersten & Forsman (Biological Reviews 87, 2012, 756) that the existence of multiple colour morphs with co-adapted gene complexes and associated trait values may increase the ecological and evolutionary success of polymorphic populations and species. Bolton et al. (Molecular Ecology, 2015, 24, 2907) further state that there is no clear evidence from studies of 'true polymorphic species' that polymorphism promotes population persistence. In response, I (i) challenge their classifications of polymorphisms and revisit the traditional definitions recognizing the dynamic nature of polymorphisms, (ii) review empirical studies that have examined whether and how polymorphism is associated with extinction risk, (iii) discuss the roles of trait correlations between colour pattern and other phenotypic dimensions for population fitness and (iv) highlight that the causes and mechanisms that influence the composition and maintenance of polymorphisms are different from the consequences of the polymorphic condition and how it may impact on aspects of ecological success and long-term persistence of populations and species.
Keywords: colour polymorphisms; evolution; extinction risk; geographic variation; population persistence; speciation.
© 2016 John Wiley & Sons Ltd.
Comment in
- Colour polymorphism is likely to be disadvantageous to some populations and species due to genetic architecture and morph interactions.
Bolton PE, Rollins LA, Griffith SC. Bolton PE, et al. Mol Ecol. 2016 Jun;25(12):2713-8. doi: 10.1111/mec.13632. Epub 2016 May 14. Mol Ecol. 2016. PMID: 27178202
Comment on
- The danger within: the role of genetic, behavioural and ecological factors in population persistence of colour polymorphic species.
Bolton PE, Rollins LA, Griffith SC. Bolton PE, et al. Mol Ecol. 2015 Jun;24(12):2907-15. doi: 10.1111/mec.13201. Epub 2015 May 14. Mol Ecol. 2015. PMID: 25870951
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