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Table 1 Posterior estimates of demographic parameters for the best models of population demography in Fig. 3 revealed by Approximate Bayesian Computation

From: More opportunities more species: Pleistocene differentiation and northward expansion of an evergreen broad-leaved tree species Machilus thunbergii (Lauraceae) in Southeast China

Cluster (best model)

Parameter

NA

N1

N1c

T1 (years)

T1 (generations)

T3 (years)

T3 (generations)

N (scenario 2)

Mean

4.10 × 104

1.03 × 106

3.7 × 105

1.47 × 105

1.47 × 104

5.20 × 105

5.20 × 104

Median

3.89 × 104

1.02 × 106

3.45 × 105

1.42 × 105

1.42 × 104

5.17×  105

5.17×  104

95% CI

0.71–8.29 × 105

0.30–1.80 × 106

0.72–7.38 × 105

0.19–2.83 × 105

0.19–2.83 × 104

1.21–9.43 × 105

1.21–9.43 × 104

S (scenario 2)

Mean

4.19 × 104

2.74 × 106

2.28 × 105

7.31 × 104

7.31 × 103

4.55 × 105

4.55 × 104

Median

3.85 × 104

2.64 × 106

2.09 × 105

6.90 × 104

6.90 × 103

4.16 × 105

4.16 × 104

95% CI

0.84–8.85 × 104

0.72–4.72 × 106

0.58–4.55 × 105

0.11–1.41 × 105

0.11–1.41 × 104

0.86–9.25 × 105

0.86–9.25 × 104

A (scenario 2)

Mean

5.81 × 104

3.08 × 106

1.01 × 106

1.02 × 105

1.02 × 104

6.80 × 105

6.80 × 104

Median

5.68 × 104

2.92 × 106

0.98 × 106

0.99 × 105

0.99 × 104

7.20 × 105

7.20 × 104

95% CI

0.06–1.12 × 105

0.92–5.64 × 106

0.27–1.80 × 106

0.20–1.88 × 105

0.20–1.88 × 104

2.47–9.78 × 105

2.47–9.78 × 104

  1. NA, ancestral population size; N1, current population sizes; N1c, population size between the ancestral population and the current population; T1, T3, population expansion time