© Jane Wynyard

Scientific Publications

Radiocarbon Dating Of Seized Ivory Confirms Rapid Decline In African Elephant Populations And Provides Insight Into Illegal Trade (2016)

Cerling, T.E., Barnettea, J.E., Chessona, L.A., Gobush, K.S., Uno, K.T., Wasser, S.K., Xui, X., Douglas-Hamilton I.

PNAS

Carbon-14 measurements on 231 elephant ivory specimens from 14 large ivory seizures (?0.5 ton) made between 2002 and 2014 show that most ivory (ca. 90%) was derived from animals that had died less than 3 y before ivory was confiscated.