Table 2.
The five nodes around which the greatest quantity of nitrogen (N) is estimated to have been distributed by the tagged female or male grey reef sharks per day, based on the dynamic residency score of each node; see figure 1 for location of nodes.
| acoustic receiver (geographical zonea) | node strength | residency index (%) | dynamic residency score | quantity of nitrogen potentially distributed by the tagged grey reef sharks (g d−1) | |
|---|---|---|---|---|---|
| females | |||||
| 18 (FR) | 11 674 | 89.73 | 10 474.62 | 15.66 | |
| 40 (BR) | 9023 | 81.23 | 7329.64 | 10.96 | |
| 16 (FR) | 7360 | 84.11 | 6190.47 | 9.26 | |
| 10 (FR) | 7122 | 79.66 | 5673.21 | 8.48 | |
| 60 (FR) | 4094 | 92.19 | 3774.33 | 5.64 | |
| males | |||||
| 16 (FR) | 1704 | 82.26 | 1401.72 | 5.24 | |
| 60 (FR) | 1702 | 75.55 | 1285.83 | 4.80 | |
| 10 (FR) | 1567 | 55.34 | 867.22 | 3.24 | |
| 18 (FR) | 1727 | 39.11 | 675.43 | 2.52 | |
| 40 (BR) | 1413 | 32.26 | 455.84 | 1.70 | |
aGeographical zones include the fore-reef (FR), back-reef (BR) and lagoon.