Hokkaido University: Narwhals Hit Moorings--questioning Safety Assumptions of Oceanographic Monitoring in the Arctic
November 13, 2025
November 13, 2025
HOKKAIDO, Japan, Nov. 13 (TNSjou) -- Hokkaido University issued the following news release:
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Narwhals hit moorings--questioning safety assumptions of oceanographic monitoring in the Arctic
Researchers have recorded hundreds of incidents of narwhal interaction with underwater recording devices, suggesting passive monitoring is not as non-invasive as previously assumed.
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Underwater passive acoustic recording is vital for resear . . .
* * *
Narwhals hit moorings--questioning safety assumptions of oceanographic monitoring in the Arctic
Researchers have recorded hundreds of incidents of narwhal interaction with underwater recording devices, suggesting passive monitoring is not as non-invasive as previously assumed.
*
Underwater passive acoustic recording is vital for resear . . .