During the first month (8 December 2016 – 7 January 2017) of the NSW North Coast Shark Meshing Trial, SMART drumlines were also deployed on 27 and 29 days at Evans Head and Ballina-Lennox Head, respectively (Table 1). The mean number of hours that SMART drumlines were deployed at each location was similar but varied daily depending on ocean conditions (Table 1).
Twenty two (22) alerts were recorded from the SMART drumlines. These included nine (9) alerts with no catch, and 13 sharks comprised of nine (9) White Sharks, two (2) Tiger Sharks and two (2) Greynurse Sharks. All 13 sharks were deemed to be in good health and were released alive (Tables 2 and 3). After capture, sharks were relocated if conditions allowed. Data indicates that sharks depart the area following capture.
Table 1: The mean number of SMART drumlines deployed each day, number of days that the SMART drumlines were deployed, the mean and range of hours SMART drumlines were deployed each day and the number of alerts between 8 December 2016 and 7 January 2017.
Location | Mean number of SMART drumlines deployed daily | Number of days deployed | Mean and range of deployment hours (hours : minutes) | No. of alerts | Reason for alert |
---|---|---|---|---|---|
Evans Head | 10 | 27 | 7:32 (2:39 to 12:34) | 11 | 5 White Sharks, 2 Greynurse Sharks and 4 no catch |
Ballina - Lennox Head | 15 | 29 | 7:37 (2:48 to 10:39) | 11 | 4 White Sharks, 2 Tiger Sharks and 5 no catch |
Table 2: The location and number of sharks caught and released on SMART drumlines for the reporting period.
Beach | Species | Status at release |
---|---|---|
Lighthouse Beach, Ballina | White Shark | Alive |
Tiger Shark | Alive | |
Tiger Shark | Alive | |
South Wall, Ballina | White Shark | Alive |
Lennox Head, Lennox Head | White Shark | Alive |
Sharpes Beach, Ballina | White Shark | Alive |
Evans Head | White Shark | Alive |
White Shark | Alive | |
Greynurse Shark | Alive | |
Greynurse Shark | Alive | |
White Shark | Alive | |
White Shark | Alive | |
White Shark | Alive |
Table 3: Cumulative total of species caught and released on SMART drumlines during each reporting month of the NSW North Coast Shark Meshing Trial.
| White Shark | Tiger Shark | Greynurse Shark | |||
---|---|---|---|---|---|---|
Ballina to Lennox | Evans Head | Ballina to Lennox | Evans Head | Ballina to Lennox | Evans Head | |
8 Dec 2016 – 7 Jan 2017 | 4 | 5 | 2 | 0 | 0 | 2 |
Overall Total | 4 | 5 | 2 | 0 | 0 | 2 |