Table 3. Modelling the relationships between blood δ13C, δ15N values (‰) and blood Hg concentration (µg⋅g−1 dw) in male and female pre-laying snow petrels.
Dependent variable | Sex | Independent variable | SS | Df | F | p-value |
Hg | Males | δ13C | 2.8 | 1,27 | 3.9 | 0.060 |
δ15N | 1.7 | 1,27 | 2.2 | 0.150 | ||
Females | δ13C | 5.7 | 1,14 | 9.1 | 0.009 | |
δ15N | 8.6 | 1,14 | 20.6 | >0.001 |
*SS = Sum of squares.