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Open Access Research article

Assortative mating and gene flow generate clinal phenological variation in trees

Jean-Paul Soularue12 and Antoine Kremer12*

Author Affiliations

1 INRA, UMR 1202 BIOGECO, Cestas F-33610, France

2 Univ. Bordeaux, BIOGECO, UMR 1202, Talence F-33400, France

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BMC Evolutionary Biology 2012, 12:79  doi:10.1186/1471-2148-12-79

Published: 8 June 2012

Additional files

Additional file 1:

Figure S1. Summary of the evolutionary processes within a generation. Fitness values and sizes of populations are first computed according to selection settings, demographic settings, and the seed migration matrix. Reproduction takes place between mates paired according to fitness, seed migration settings, and pollen migration settings. Assortative mating may bear additional iterations for the choice of male and female parents because mates must share close phenotypic values. Mutations may occur.

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Additional file 2:

Figure S2. Variations in mean population genetic values at different latitudes under a range of migration rates. The value for each latitude is the average of the five mean genetic values for the populations concerned at generation 300. All scenarios were conducted under strong assortative mating (ρ = 0.8), island migration model and steep environmental cline (kE = 2). Brown line: Nm = 10.2, red line: Nm = 5.1, green line: Nm = 1, green dashed line: Nm = 0.5 and green dotted line: Nm = 0.1. Each line represents the mean of 50 independent replicates for each evolutionary scenario.

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Additional file 3:

Figure S3. QSTvalues after 1000 generations under a range of migration rates. All simulations were conducted under under strong assortative mating (ρ = 0.8), island migration model and steep environmental cline (kE = 2). Brown line: Nm = 10.2, red line: Nm = 5.1, green line: Nm = 1, green dashed line: Nm = 0.5 and green dotted line: Nm = 0.1. Each line represents the mean of 50 independent replicates for each evolutionary scenario.

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