Table 4.
The Overlap between individuals in the number of 5 km by 5 km grid cells used in the core foraging area and home range area for northern gannets tracked from Alderney, Channel Islands in a single year
| Year | Number of cells used by n birds | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |
| CFA | ||||||||||||||||
| 2011 | 124 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2013 | 195 | 25 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2014 | 175 | 18 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2015 | 273 | 45 | 16 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| HRA | ||||||||||||||||
| 2011 | 391 | 134 | 52 | 23 | 7 | 10 | 5 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2013 | 575 | 293 | 89 | 60 | 24 | 11 | 6 | 2 | 2 | 0 | 2 | 1 | 0 | 1 | 0 | 0 |
| 2014 | 490 | 193 | 81 | 43 | 26 | 11 | 7 | 3 | 5 | 1 | 0 | 0 | 1 | 0 | 0 | 0 |
| 2015 | 694 | 358 | 185 | 83 | 30 | 27 | 21 | 11 | 13 | 8 | 4 | 0 | 0 | 0 | 1 | 1 |