Table 3.

Mean Posteriors and Credible Intervals for the K^B Allele Age Estimates Shown in Figure 8.

Population	Mutation Rate (/bp/gen.)	TMRCA (years)	95% Credible Interval
Yellowstone National Park	0.3 × 10−8	202	133–285
	0.4 × 10−8	250	162–352
	0.45 × 10−8	1,513	982–2,030
	1 × 10−8	1,942	1,346–2,503
Northwest Territories	0.3 × 10−8	1,301	822–1,931
	0.4 × 10−8	1,635	932–2,333
	0.45 × 10−8	1,704	1,137–2,234
	1 × 10−8	2,155	1,105–3,250
Alaska	0.3 × 10−8	694	376–1,100
	0.4 × 10−8	1,477	831–2,329
	0.45 × 10−8	1,801	826–3,263
	1 × 10−8	2,135	1,602–2,951
Yukon	0.3 × 10−8	1,598	393–3,389
	0.4 × 10−8	3,500	2,338–4,398
	0.45 × 10−8	4,378	2,979–6,169
	1 × 10−8	7,248	6,219–8,963