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Satellite Tracking

Why did animal X stop transmitting?

Tiger 7

Fisheries NSW shark tracking

A project of NSW Department of Primary Industries.

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Species: Tiger Shark
Life Stage: Juvenile
Gender: Female
Release Date: 2017-05-30 00:04:15
Release Location: Boambee Beach, Coffs Harbour
Last Location: 2017-06-24 19:41:15

Background

Tiger 7 - 2.27 m Total length

NSW Shark Management Strategy

The shark tagging project is part of the NSW Government’s targeted shark attack mitigation campaign.

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 acoustic tags and surgically implanted acoustic tags register the natural movements of the sharks to determine the environmental and biological factors affecting White and Tiger 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. Twenty listening stations have been positioned the entire length of the NSW coast. 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.


SEATURTLE.ORG collaborates with Argos to help scientists and conservationists manage and analyse their valuable animal tracking data.

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