Figure 10. Stable isotopes mixing models of muskox diet proportion with five plants (L. arcuata, S. flagellaris, E. nigrum, S. glauca, E. calltrix) presented on box-whisker plots in each muskox group, using simmr packages. (A) Proportions of five candidate plants of adults (L. arcuata = 0.15, S. flagellaris = 0.17, E. nigrum = 0.30, S. glauca = 0.25, E. callitrix = 0.13) and (B) Proportions of five candidate plants of calves (L. arcuata = 0.17, S. flagellaris = 0.20, E. nigrum = 0.25, S. glauca = 0.23, E. callitrix =0.15).
Stable isotope mixing models with five possible dietary plants represent the predicted proportions (Figure 10AB). In both adults and calves,E. nigrum occupied the highest proportion of their diet (adults = 0.30, calves = 0.25), which was followed by S. glauca (adults = 0.25, calves = 0.23). Mixing models display that diet compositions were not different between the adults and calves (probabilistic Bayesian models; L. arcuata, p = 0.54; S. flagellaris , p = 0.54;E. nigrum, p = 0.34; S. glauca, p = 0.47; E. callitrix, p = 0.58).