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Table 1 Comparison of population parameters estimated using MIGRAINE and VarEff

From: Recent demographic histories of temperate deciduous trees inferred from microsatellite markers

Populations (sample size) Methods pGSM θ θanc D = G × μ Nratio = θ/θanc N (× 104) Nanc (× 104) Tyears (kya)
Northeast Q. liaotungensis (139) MIGRAINE 0.53
[0.45–0.60]
18.58
[13.55–27.93]
5.37
[2.07–9.11]
0.67
[0.25–1.80]
3.46
[1.74–8.16]
0.46
[0.34–0.70]
0.13
[0.05–0.23]
33.65
[12.55–89.75]
VarEff   12.50 4.79 [0.20–0.40] 2.61 0.31 0.12 [10.00–20.00]
Northwest Q. liaotungensis
(240)
MIGRAINE 0.58
[0.53–0.63]
21.47
[17.64–27.35]
2.48
[0.001–5.34]
1.32
[0.73–8.17]
8.67
[3.98–14,696.00]
0.54
[0.44–0.68]
0.06
[0.0003–0.13]
66.15
[36.30–40.845]
VarEff   17.40 2.46 [0.30–0.40] 7.08 0.43 0.06 [15.00–20.00]
Q. mongolica
(502)
MIGRAINE 0.62
[0.56–0.66]
20.88
[17.76–25.85]
3.52
[0.01–6.77]
1.19
[0.68–6.02]
5.93
[2.98–1314.00]
0.52
[0.44–0.65]
0.09
[0.0003–0.17]
59.45
[34.10–301.00]
VarEff   12.23 3.24 [0.30–0.50] 3.78 0.31 0.08 [15.00–25.00]
J. cathayensis
(596)
MIGRAINE 0.64
[0.60–0.68]
14.76
[12.41–17.60]
0.64
[0.02–4.08]
2.95
[1.06–9.72]
23.21
[3.58–569.60]
0.37
[0.31–0.44]
0.02
[0.0006–0.10]
88.41
[31.86–291.63]
VarEff   17.44 1.11 [0.40–0.80] 15.72 0.44 0.03 [12.00–24.00]
J. mandshurica
(399)
MIGRAINE 0.62
[0.56–0.66]
15.65
[12.69–20.46]
4.35
[0.82–8.50]
0.99
[0.29–3.36]
3.60
[1.81–17.41]
0.39
[0.32–0.51]
0.11
[0.02–0.21]
29.64
[8.61–168.20]
VarEff   19.30 4.01 [0.30–0.60] 4.81 0.48 0.10 [9.00–18.00]
J. ailantifolia
(107)
MIGRAINE 0.62
[0.56–0.66]
18.12
[14.02–24.39]
1.29
[0.13–5.01]
1.80
[0.68–5.08]
14.08
[3.67–141.50]
0.45
[0.35–0.61]
0.03
[0.003–0.13]
54.03
[20.28–152.25]
VarEff   19.75 3.41 [0.30–0.60] 5.79 0.49 0.09 [9.00–18.00]
  1. The estimates of past and current population sizes and times in years (Tyears) obtained by MIGRAINE and VarEff are converted with a fixed mutation rate of 10–3 mutation per locus per generation and a generation time of 50 years for oaks, 30 years for Asian butternuts. The population size calculated by VarEff is median. θ, scaled current effective population size by mutation rate; θanc, scaled ancestor effective population size by mutation rate; Nratio = θ/θanc; N, current effective population size (individual number); Nanc ancestor effective population size (individual number); G, time measured by generations; μ, mutation rate per locus per generation