Načítá se...
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...
Uloženo v:
| Vydáno v: | Proc Natl Acad Sci U S A |
|---|---|
| Hlavní autoři: | , , , , , , , |
| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
National Academy of Sciences
2016
|
| Témata: | |
| On-line přístup: | 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 |
| Tagy: |
Přidat tag
Žádné tagy, Buďte první, kdo otaguje tento záznam!
|