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. 2013 Feb 12;8(2):e56066. doi: 10.1371/journal.pone.0056066

Figure 2. Models of coalescent simulation used to test refugial hypotheses.

Figure 2

(a) Hypothesis of single refugium at the end of the Last Glacial Maximum (T = 18 000 years BP); (b) Hypothesis of two refugia at the end of the Last Glacial Maximum (T1 = 18 000 years BP, T = 830 000 years BP); (c) Hypothesis of three refugia at the end of the Last Glacial Maximum (T1 = 18 000 years BP, T2 = 760 000 years BP, T = 830 000 years BP); (d) Hypothesis of four refugia at the end of the Last Glacial Maximum (T1 = 18 000 years BP, T2 = 710 000 years BP, T3 = 760 000 years BP, T = 830 000 years BP); (e) Hypothesis of four refugia before the Last Glacial Maximum (T1 = 250 000 years BP, T2 = 290 000 years BP, T3 = 70 000 years BP, T4 = 530 000 years BP, T5 = 710 000 years BP, T6 = 760 000 years BP, T = 830 000 years BP). The detail interpretation for these models is given in the text.