Dataset: elephant_ivory_isotope.csv Source: S. Ziegler, S. Merker, B. Streit, M. Boner, D.E. Jacob (2016). "Towards Understanding Isotope Variability in Elephant Ivory to Establish Isotopic Profiling and Source-Area Estimation," Biological Conservation, Vol. 196, pp. 154-163. Description: Data on 5 isotopes measured on 495 elephants from 28 African and 6 Asian States. Variables/Labels Elephat ID ID Country Code CntryCode Region delta13C delta15N delta18O delta2H delta34S Longitude Long Latitude Lat