Table 3. A comparison of mean isotope ratios of various tissue types for four potential grizzly bear prey species from the lower Stikine valley of northeast British Columbia.
| Species | δ 13C | SD | δ15N | SD | δ34S | SD | n |
|---|---|---|---|---|---|---|---|
| Herbivores | |||||||
| Moose hair | -26.5 | 0.6 | 3.5 | 0.8 | -2.7 | 4.4 | 2 |
| Moose muscle | -27.1 | 0 | 1.3 | 0.9 | -4 | 4.6 | 2 |
| Marmot hair | -24.5 | 1.1 | 1.2 | 2.0 | 5.4 | 6.8 | 14 |
| Marmot muscle | -26.2 | 0.6 | 2.7 | 0 | -3 | 0.7 | 2 |
| Salmon | |||||||
| Sockeye skin | -21.3 | 1.2 | 11.3 | 1.9 | 19 | 0.7 | 6 |
| Sockeye muscle | -20.8 | 1.5 | 11.7 | 1.5 | 19 | 0.5 | 6 |
| Coho skin | -17.8 | 0.7 | 11 | 2.3 | 18.8 | 0.4 | 4 |
| Coho roe | -22.8 | 11.5 | 19 | 1 | |||
| Coho muscle | -20.1 | 1.1 | 10 | 2.7 | 19.5 | 0.2 | 4 |