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. 2015 Nov 3;10(11):e0141489. doi: 10.1371/journal.pone.0141489

Fig 1. Distribution of black bears (Ursus americanus) in isotopic space (δ13C and δ15N) relative to mean food source values.

Fig 1

Trophic discrimination factors were applied to each food category, which are represented by the mean δ13C and δ15N (± SD) of each food category. Black bears sampled from Parsnip Plateau and Hart Ranges of the Rocky Mountains, British Columbia, Canada, 1999.