Table 5.
The estimate, standard error (SE), t‐value, and p‐value for variables of the top environmental (1982–2011 except 1986 due to missing data) and biological (1992–2006) models influencing nitrogen stable isotopes of ringed seal claw annuli in the Beaufort Sea from 1964 to 2011
| Model | Coefficient | Estimate | SE | t‐Value | p‐Value |
|---|---|---|---|---|---|
| Environmental | Intercept | 17.90 | 0.15 | 129.31 | <.001 |
| Summer SST | −0.11 | 0.043 | −2.66 | .025 | |
| Biological | Intercept | 17.58 | 0.16 | 112.14 | <.001 |
| %Pups | 0.39 | 0.13 | 2.99 | .014 | |
| Summer SST | −0.19 | 0.036 | −5.24 | .00030 |
The climate model estimates are not presented, as the top model was the null model.