Figure 6. Summary of age class fecundity: (a) Age specific fecundity (m_x) (dashed line = actual, and solid line = 5-year running average) peaked when the Samburu females were in their mid 40s.

(b) Age specific reproductive value (v_x) (dashed line = actual, and solid line = 5-year running average) declined after the peak between 15 and 20 years of age.