Open Access
Table 1
Results of linear regression of individual liver stable isotope values (y) on muscle stable isotope values (x) for rainbow trout captured in the three different habitats sampled in Chungará catchment. Errors are ± 1 S.E.
| Habitat | δ13Cliver (y) v δ13Cmuscle (x) | δ15Nliver (y) v δ15Nmuscle (x) | δ34Sliver (y) v δ34Smuscle (x) |
|---|---|---|---|
| Lake | a = −3.7 (± 1.6) b = 0.7 (± 0.1) R2 = 0.6, F1,35 = 51.2, P < 0.001 |
a = 3.8 (± 2.9) b = 0.7 (± 0.2) R2 = 0.2, F1,35 = 11.69, P = 0.001 |
a = −0.39 (± 1.6) b = 0.7 (± 0.1) R2 = 0.4, F1,35 = 3.17, P < 0.001 |
| River mouth | a = −6.8 (± 1.0) b = 0.2 (± 0.1) R2 = 0.09, F1,16 = 2.71, P = 0.12 |
a = −6.8 (± 3.1) b = 1.6 (± 0.3) R2 = 0.58, F1,16 = 24.8, P < 0.001 |
a = −1.7 (± 0.6) b = 0.2 (± 0.2) R2 = 0.01, F1,16 = 1.1, P = 0.309 |
| River | a = −5.9 (± 1.4) b = 0.7 (± 0.1) R2 = 0.47, F1,89 = 80.8, P < 0.001 |
a = −0.3 (± 0.3) b = 0.8 (± 0.04) R2 = 0.79, F1,89 = 340.1, P < 0.001 |
a = 2.2 (± 0.3) b = 0.7 (± 0.4) R2 = 0.02, F1,89 = 2.7, P = 0.101 |
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