Measuring, comparing and interpreting phenotypic selection on floral scent
Opedal, Ø. H., Gross, K., Chapurlat, E., Parachnowitsch, A., Joffard, N., Sletvold, N., Ovaskainen, O., & Friberg, M. (2022). Measuring, comparing and interpreting phenotypic selection on floral scent. Journal of Evolutionary Biology, 35(11), 1432-1441. https://doi.org/10.1111/jeb.14103
Julkaistu sarjassa
Journal of Evolutionary BiologyTekijät
Päivämäärä
2022Tekijänoikeudet
© 2022 the Authors
Natural selection on floral scent composition is a key element of the hypothesis that pollinators and other floral visitors drive scent evolution. The measure of such selection is complicated by the high-dimensional nature of floral scent data and uncertainty about the cognitive processes involved in scent-mediated communication. We use dimension reduction through reduced-rank regression to jointly estimate a scent composite trait under selection and the strength of selection acting on this trait. To assess and compare variation in selection on scent across species, time and space, we reanalyse 22 datasets on six species from four previous studies. The results agreed qualitatively with previous analyses in terms of identifying populations and scent compounds subject to stronger selection but also allowed us to evaluate and compare the strength of selection on scent across studies. Doing so revealed that selection on floral scent was highly variable, and overall about as common and as strong as selection on other phenotypic traits involved in pollinator attraction or pollen transfer. These results are consistent with an important role of floral scent in pollinator attraction. Our approach should be useful for further studies of plant–animal communication and for studies of selection on other high-dimensional phenotypes. In particular, our approach will be useful for studies of pollinator-mediated selection on complex scent blends comprising many volatiles, and when no prior information on the physiological responses of pollinators to scent compounds is available.
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Julkaisija
Wiley-BlackwellISSN Hae Julkaisufoorumista
1010-061XAsiasanat
Julkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/156926050
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Lisätietoja rahoituksesta
Carl Tryggers Stiftelse för Vetenskaplig Forskning, Grant/Award Number: 20:323; Academy of Finland, Grant/Award Number: 284601 and 309581; Jane and Aatos Erkko Foundation and the Research Council of Norway through its Centres of Excellence Funding Scheme, Grant/Award Number: 223257; Centre for Biodiversity Dynamics and MF from the Swedish Research Council and the Crafoord Foundation.Lisenssi
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