טוען...
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...
שמור ב:
| הוצא לאור ב: | Proc Natl Acad Sci U S A |
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| Main Authors: | , , , , , , , |
| פורמט: | Artigo |
| שפה: | Inglês |
| יצא לאור: |
National Academy of Sciences
2016
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| נושאים: | |
| גישה מקוונת: | 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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