Table 2

Female demography and fecundity
age class s(x) l(x) d(x) b(x) B(x) m(x) parameters
0-1 79 1.00 0.00 0.07 7.14 0.23 α = 0.83y
1-2 23 0.29 0.71 0.66 4.41 1.27 ω = 11y
2-3 23 0.29 0.71 0.61 6.47 1.74
3-4 11 0.14 0.86 0.50 5.14 1.13
4-5 6 0.08 0.92 1.00 5.60 2.46
6+ 14 0.01 0.99 0.14 4.09 0.24

=ageclass; s(x) = number of females in the sample per age-class; l(x) = cumulative survival; d(x) = cumulative mortality; b(x) = average proportion of breeding females per year and age-class; B(x) = average number of offspring born in the last litter per female and age-class; m(x) = number of female pups born per female and year; α = age in years at first reproduction; ω = age at last reproduction in years.

Gsell et al.

Gsell et al. BMC Veterinary Research 2012 8:236   doi:10.1186/1746-6148-8-236

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