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July 6, 2022

Study says decrease in salmon threatens killer whales

  • The number of Chinook has decreased even as fishing regulations attempted to bolster their numbers.

    • BELLINGHAM (AP) — Southern Resident killer whales have not had enough food for several years, which could affect their already small numbers, according to a study by the University of British Columbia.

    Researchers looked at requirements and availability of prey for Northeastern Pacific Southern Resident killer whales. The study found a fluctuating level of salmon from spawning areas on rivers had a detrimental effect on killer whale health, threatening a small and fragile group of whales, the Bellingham Herald reported.


     
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