1. (A) Box and whisker diagram for median lag times (difference between date of death and seizure date) of ivory specimens analyzed in this study; the number of specimens with F14C measurements for each grouping is given in parentheses.
(A) Box and whisker diagram for median lag times (difference between date of death and seizure date) of ivory specimens analyzed in this study; the number of specimens with F14C measurements for each grouping is given in parentheses. (B) Histograms showing lag times for specimens from East Africa, Tridom, West Africa, and Zambia. Red lines are the normal distributions for each regions fit to the data (Methods).
Thure E. Cerling et al. PNAS doi: /pnas
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