Saving orcas with a salmon cannon – can it even be done? (video)

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Human ingenuity brought us the ‘salmon cannon’, designed to propel salmon over dams – but is it efficient enough to bring Chinook populations back to the levels needed for the Southern Resident orcas?


Over-fishing and management mistakes have caused biological mayhem for salmon, and if we want robust wild fish in the future we need to restore the environmental blocks to their survival. These include habitat restoration, contaminant abatement, and dams.
Salmon cannons may be a genius – if hilarious – solution for moving salmon and a good tool to help the remaining wild salmon navigate the dams, but one of the most urgent things the wild Chinook salmon – and the Southern Resident orcas that rely upon them – need is unfettered access to the native spawning grounds.
For more information please go to Damsense.org.

 

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