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Date: March 23, 2016

Subsea glider peers into secret lives of BC whales

A University of Victoria-led mission that will deepen our knowledge of rare and threatened baleen whales and help protect them from ship strikes is underway off Flores Island in Clayoquot Sound, north of Tofino, BC.

Over the next three weeks, a two-metre underwater ocean glider equipped with acoustic sensors, sonar and hydrophones will allow researchers to track whale movements by listening to and recording their sounds along the shelf break in Clayoquot Canyon.

Adam Comeau of OTN Halifax and Rianna Burnham of UVic prepare to launch ocean glider, March 15:

WHaLE ocean glider readied for deployment

The BC project led by UVic geographer David Duffus, director of UVic’s Whale Research Lab, is part of the national WHaLE project (Whales, Habitat and Listening Experiment) which seeks to define whale habitat and develop, test and implement a near real-time “whale alert” system to reduce the risk of ship-whale collisions.

The project is funded by the Marine Environmental Observation Prediction and Response Network (MEOPAR) based at Dalhousie University in Nova Scotia. The multidisciplinary team is focusing on ecologically sensitive whale habitats on the coast of Atlantic Canada and now off western Vancouver Island. Initial success has been met on the East Coast in known habitats of the critically endangered north Atlantic right whale.

Ocean glider ready to dive, March 15:

WHaLE ocean glider in the water

“Ocean gliders are a new technique for gaining insights into whale ecology on Canada’s West Coast,” says Duffus. “Many species of concern under Canada’s Species at Risk Act are termed ‘data deficient.’ We need more information on whale habitats and whale feeding ‘hot spots’ so we can put in protective measures, such as real time whale-alerts for shipping traffic.”

Large baleen whales—such as humpback, sei, blue and the very rare North Pacific right whale—are difficult to survey, mostly due to how much time they spend underwater far from land as they feed on tiny zooplankton and/or small fish. By listening for characteristic whale vocalizations, researchers will track the whales’ movements and distribution.

Migrating gray whales surface close to where glider was deployed, March 15:

Gray whales near area of glider deployment

Since ocean gliders can monitor at night and in poor weather conditions, researchers will have more in-depth data to map baleen whale habitat and key feeding spots. The data will guide conservation efforts to protect whales from shipping traffic and noise in key marine locations.

The three-year WHaLE initiative is funded by MEOPAR with researchers at UVic and Dalhousie University and—for this mission—with support and/or collaborators from Ocean Tracking Network, UVic’s Ocean Networks Canada, University of British Columbia, Fisheries and Oceans Canada (Pacific), and 17 other agencies. Visit bit.ly/1ROBlGk for a complete list of partners.

Click here for backgrounder.

High resolution images are available to media on the UVic Dropbox.

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Media contacts:

David Duffus (Dept. of Geography/Whale Research Lab) by email at dduffus@mail.geog.uvic.ca
Anne MacLaurin (Social Sciences Communications) at 250-217-4259 or sosccomm@uvic.ca
Tara Sharpe (University Communications + Marketing) at 250-721-6248 or tksharpe@uvic.ca


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Backgrounders:
Whales, Habitat and Listening Experiment (WHaLE)

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