TABLE 2.

Estimates of θ and Θ and corresponding values for N_e or N_f for crested auklets, based on data for cytochrome b and α-enolase intron VIII

Estimator	or	Nf	Generations (yra) before present throughout which estimates apply
Cytochrome b
Π (Tajima 1983)	2.61	∼52,000	∼9.1 × 104 (7.6 × 105)
θW (Watterson 1975)	3.47	∼69,000	∼1.2 × 105 (1.0 × 106)
ΘP (Kuhner et al. 1995)	0.017	∼104,000	Contemporary Nf
ΘML (Takahata et al. 1995)	0.0098	∼60,000	∼1.0 × 105 (8.7 × 105)
Estimator	or	Ne	Generations (yra) before present throughout which estimates apply
α-Enolase
Π (Tajima 1983)	3.96	∼220,000	∼8.5 × 105 (7.1 × 106)
θW (Watterson 1975)	6.41	∼360,000	∼1.4 × 106 (1.1 × 107)
ΘP (Kuhner et al. 1995)	0.092	∼1,300,000	Contemporary Ne
ΘML (Takahata et al. 1995)	0.016	∼220,000	∼8.6 × 105 (7.1 × 106)
Trans-species polymorphism	NAa	699,000	3.4 × 105 (2.8 × 106)

^aGiven a generation time of 8.3 years for crested auklets (Walsh and Friesen 2003).

^bNot applicable.