A project of NSW Department of Primary Industries.
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Species: White Shark
Life Stage: Sub Adult
Release Date: 2017-10-24 04:40:00
Release Location: Pebbly Beach, Forster
Last Location: 2018-03-20 18:51:51
Shark 227 - 3.03m Total length
NSW Shark Management Strategy
The shark tagging project is part of the NSW Government’s targeted shark attack mitigation campaign. The project is being done by the NSW Department of Primary Industries in collaboration with the CSIRO.
The aim of the research is to target individual sharks which appear to be frequenting waters close to shore and involves (i) locating sharks from a helicopter and then capturing and tagging them from a boat or (ii) using SMART Drumline technology to capture sharks. Both externally fin-mounted satellite tags and surgically implanted acoustic tags register the natural movements of the sharks to determine the environmental and biological factors affecting white shark distribution in coastal waters. Understanding these underlying factors will assist in identifying potential areas of increased risk to water users.
Acoustic transmitters are detected by a satellite linked (VR4G) listening station that detects tagged sharks and other marine animals swimming within 500 m. Captured information goes to a satellite and is then instantaneously sent to the public and beach authorities via Twitter and SMS. Ten listening stations have been positioned on the NSW north coast at Tweed, Byron Bay, Lennox Head, Ballina, Evans Head, Yamba, Coffs Harbour, South West Rocks, Port Macquarie and Forster. A further ten VR4G listening stations will be deployed at other NSW beaches in 2016. Additional information on the movements of acoustically tagged sharks comes from VR2 receivers – there are hundreds of these along the NSW coast. Unlike the VR4Gs, these receivers store the data which then has to be manually downloaded at regular intervals.