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flag University of Washington uses underwater fiber optics to track endangered orcas and reduce human impacts.

flag Scientists at the University of Washington have deployed over a mile of fiber-optic cable in the Salish Sea to test a new method of monitoring endangered Southern Resident orcas using existing underwater internet infrastructure. flag The technology, called Distributed Acoustic Sensing, turns the cables into continuous underwater microphones capable of detecting whale vocalizations and tracking movements in real time. flag The goal is to better understand how orcas respond to ship noise, food shortages, and pollution, with the potential to enable dynamic conservation actions like slowing ferries when whales are nearby. flag If successful, the system could leverage the world’s 870,000 miles of undersea cables to create a global ocean monitoring network, supporting marine protection efforts as the High Seas Treaty takes effect.

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