Why did animal X stop transmitting?
Shark 50 - Fisheries NSW shark tracking
A project of NSW Department of Primary Industries.
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Shark 50 - 2.13m 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.
- The presentation of data here does not constitute publication. All data remain copyright of the project partners. Maps or data on this website may not be used or referenced without the explicit written consent of the data owners.
- For more information please visit the project website.
- This map connects positions generated by the ARGOS system designated as location class (lc) '4', '3', '2', '1', '0', 'A', 'B'. Locations that have been "filtered" are displayed as small red dots.
- This maps also shows locations of class 'A' as small black dots which are not connected by a route line.
- Bathymetry layers are derived from the GEBCO One Minute Grid.
- Sea surface temperature and chlorophyll are derived from NASA's Ocean Color data.
- Ocean currents and sea surface heights are derived from AVISO's Ssalto/Duacs Gridded Absolute Dynamic Topography & absolute geostrophic velocities data.
SEATURTLE.ORG collaborates with Argos to help scientists and conservationists manage and analyse their valuable animal tracking data.