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. 2012 Dec 28;12:254. doi: 10.1186/1471-2148-12-254

Table 2.

Maximum-likelihood estimates (MLEs) and the 90% highest posterior density (HPD) intervals of model parameters from IMa analyses

  θ1 θ2 θA m1 m2 t N1 N2 NA m1 m2 2N1m1 2N2m2 T (year)
(1) A. linearis vs. (2) A. apiculata
  MLE
 0.095
 0.263
 0.718
 2.665
 0.388
 0.065
 8643
 23831
 65189
 0.007
 0.001
 0.127
 0.051
 24782
 HPD90Lo
 0.040
 0.132
 0.004
 0.655
 0.005
 0.018
 4010
 12483
 9709
 0.000
 0.000
 0.013
 0.000
 9074
 HPD90Hi
 0.207
 0.454
 7.171
 6.538
 1.802
 8.628
 21473
 45014
 704721
 0.023
 0.008
 0.677
 0.409
 3131867
(1) A. oblonga vs. (2) A. macroclinidioides (north)
 MLE
 0.053
 0.492
 0.772
 19.827
 10.165
 0.025
 4579
 44819
 70084
 0.057
 0.023
 0.526
 2.499
 9074
 HPD90Lo
 0.022
 0.223
 0.006
 4.777
 2.925
 0.005
 1902
 20152
 501
 0.009
 0.005
 0.053
 0.326
 1815
 HPD90Hi
 0.170
 0.912
 9.641
 48.573
 23.715
 9.985
 15007
 82918
 873072
 0.168
 0.063
 4.118
 10.810
 3624008
(1) North vs. (2) South
 MLE
 0.436
 0.585
 0.158
 0.005
 0.208
 1.605
 60536
 81181
 21950
 0.000
 0.000
 0.001
 0.061
 890679
 HPD90Lo
 0.264
 0.354
 0.013
 0.005
 0.035
 0.545
 36578
 49127
 1742
 0.000
 0.000
 0.001
 0.006
 302442
 HPD90Hi 0.668 0.927 12.359 0.215 0.488 26.835 92622 128566 1714557 0.001 0.001 0.072 0.226 14891815

N1, N2, NA: effective population sizes of population 1, 2 and ancestral. θ=4Nu.

m1: the rate of gene flow from population 2 to population 1 per gene per generation. m1=m1/u.

m2: the rate of gene flow from population 1 to population 2 per gene per generation. m2=m2/u.

2N1m1: the effective rate of gene flow from population 2 to population 1 per generation.

2N2m2: the effective rate of gene flow from population 1 to population 2 per generation.

Each value is the average of three independent runs of the simulations. Demographic quantities, N1, N2, NA, m1, m2, and T, were converted based on a mutation rate (u) of 7.49 × 10–9 substitutions/site/year.