Radiocarbon dating of seized ivory confirms rapid decline in African elephant populations and provides insight into illegal trade

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. This indicates that the assumption of recent elephant death for...

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Detaylı Bibliyografya
Yayımlandı:Proc Natl Acad Sci U S A
Asıl Yazarlar: Cerling, Thure E., Barnette, Janet E., Chesson, Lesley A., Douglas-Hamilton, Iain, Gobush, Kathleen S., Uno, Kevin T., Wasser, Samuel K., Xu, Xiaomei
Materyal Türü: Artigo
Dil:Inglês
Baskı/Yayın Bilgisi: National Academy of Sciences 2016
Konular:
Physical Sciences
Online Erişim:https://ncbi.nlm.nih.gov/pmc/articles/PMC5127328/
https://ncbi.nlm.nih.gov/pubmed/27821744
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.1614938113
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