Acoustic alarms reduce porpoise mortality

Scott D. Kraus (), Andrew J. Read, Andrew Solow, Ken Baldwin, Trevor Spradlin, Eric Anderson and John Williamson
Additional contact information
Scott D. Kraus: New England Aquarium, Edgerton Research Laboratory
Andrew J. Read: Duke University Marine Laboratory
Andrew Solow: Woods Hole Oceanographic Institution
Ken Baldwin: University of New Hampshire
Trevor Spradlin: Office of Protected Resources, National Marine Fisheries Service
Eric Anderson: New Hampshire Commercial Fishermen’s Association
John Williamson: New Hampshire Commercial Fishermen’s Association

Nature, 1997, vol. 388, issue 6642, 525-525

Abstract: Abstract The most serious danger to dolphins and porpoises around the world is the threat from various forms of gill-net fishing. One potential way to reduce the number of deaths of marine mammals is the use of active acoustic alarms to warn animals about the presence of nets1. Until now, acoustic alarms have not been tested in field experiments with sufficient statistical power2. Here we describe a field experiment showing that acoustic alarms are effective at reducing the number of deaths of harbour porpoises (Phocoena phocoena) in sink gill-nets.

Date: 1997
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DOI: 10.1038/41451

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