Figure 3: (A, C, E) the Five-Source Mixing Model Biplots With Δ34S, Δ15N, and Δ13C Values After the TEF Corrections in Potential Food Sources and the Velvet Scoters (Model0). (B, D, F) the Simulated Mixing Polygons for the Biplots.
doi 10.7717/peerj.5128/fig-3