Table 3. Model selection tables examining the effect of age and breeding experience on characteristics of wandering albatross foraging trips, breeding birds tracked between 1991 and 2012.
∆AIC compared to best model
|
|||||
---|---|---|---|---|---|
|
Trip duration
|
Max dist from col
|
Bearing
|
Inflection latitude
|
Inflection longitude
|
Sample size | 207 | 207 | 207 | 207 | 207 |
Age * Sex + Year + Stage | 0.51 | 3.12 | 2.01 | 1.51 | 4.62 |
Age * Sex + Year | 45.64 | 18.74 | 10.26 | 17.53 | 32.19 |
Age * Sex + Stage | 14.40 | 2.72 | 15.57 | 3.67 | 0.47 |
Age * Sex | 100.29 | 48.84 | 31.51 | 41.13 | 60.33 |
Age + Sex + Year + Stage | 0.99 | 2.24 | 2.20 | 0.00 | 5.07 |
Age + Sex + Stage | 12.48 | 1.86 | 16.60 | 1.94 | 0.84 |
Age + Sex + Year | 44.72 | 17.73 | 11.22 | 16.81 | 32.03 |
Age + Stage + Year | 5.42 | 5.15 | 0.38 | 12.60 | 3.64 |
Sex + Stage + Year | 0.00 | 0.32 | 1.75 | 0.72 | 4.63 |
Year + Stage | 4.58 | 3.28 | 0.00 | 13.50 | 3.14 |
Sex + Stage | 13.72 | 0.00 | 15.39 | 4.27 | 1.00 |
Sex + Year | 43.02 | 15.73 | 10.24 | 15.54 | 30.62 |
Age + Stage | 14.84 | 3.97 | 14.64 | 11.30 | 0.00 |
Age + Year | 49.51 | 21.17 | 9.26 | 26.79 | 31.28 |
Age + Sex | 97.15 | 47.47 | 30.62 | 39.14 | 58.75 |
Age | 101.12 | 50.73 | 28.84 | 47.49 | 58.20 |
Sex | 101.04 | 46.69 | 29.39 | 38.16 | 66.38 |
Year | 47.91 | 19.19 | 8.30 | 25.70 | 29.80 |
Stage | 16.66 | 2.19 | 13.41 | 14.28 | 0.02 |
Null | 106.02 | 50.97 | 27.58 | 46.65 | 66.52 |
The best model in each case is highlighted in italics (where ∆AIC = 0). The most parsimonious model in each case is highlighted in bold (where ∆AIC<2 compared to the best model).