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Open Access An Acoustic Beacon to Reduce the By-catch of Cetaceans in Fishing Nets

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Abstract:

Acoustic beacons transmitting certain sound patterns underwater are known to have a deterrent effect on harbour porpoises and are a promising means of keeping these animals away from fishing nets. The device described here has been successfully tested during sea trials in Scotland and Denmark and has been shown to reduce the by-catch of porpoises during a commercial fishing trial.

Document Type: Miscellaneous

DOI: http://dx.doi.org/10.3723/175605400783259729

Publication date: June 1, 2000

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