The Exploitation of Cetaceans Acoustic Harassment Devices

I’d like to speak about the use of Acoustic Harassment Devices (AHDs). These are devices used in fish farms to deter seals from preying on the fish within the farm. This is all very well until you see what effect it has on cetacean life. Alexandra Morton, a marine biologist who is best known for her 30 year study on Orcas, who has since shifted the focus of her research to the impact of salmon farming; has written an article on the impact of AHDs.

See on


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