GPS doesn't work underwater, so how do you track a great white shark in the open ocean? Our researchers and their colleagues have devised ingenious Pop-up Archival Transmitting (PAT) tags to do just that.
Every few minutes, the tag asks itself three questions:
1. Where am I?
2. How deep am I?
3. How cold am I?
From these three pieces of data, our conservation biologists can tell a lot about what the shark was up to. To get the data back, the tag pops off at a pre-determined date to break the sea surface. There, it uploads a summary of the data to a satellite, which relays the information to our researchers via email. In essence, great white are sending us emails about where they went on vacation-science!
Read more about our tracking work with these top predators here: mbayaq.co/1qfUJ97
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