Effectiveness of bycatch reduction devices (BRDs) in the ocean shrimp (Pandalus jordani) trawl fishery

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Citation: Hannah, R. W., and S. A. Jones, 2007. Effectiveness of bycatch reduction devices (BRDs) in the ocean shrimp (Pandalus jordani) trawl fishery. Fisheries Research, 85(1-2), ps 217-225.
Publisher address: Elsevier B.V. Radarweg 29 1043 NX Amsterdam The Netherlands
Contact information: bob.w.hannah@state.or.us
Link: http://tinyurl.com/5l7tb4
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Summary:

The requirement, in 2003, that trawl vessels fishing for ocean shrimp use bycatch reduction devices (BRDs) has reduced fish bycatch by between 66% and 88% from historical (pre-BRD) levels. Data collected from a trawl experiment testing a rigid-grate BRD with 19-mm bar spacing suggest that bycatch in the ocean shrimp fishery can be reduced further, perhaps below 5% of total catch.
Field Studies:
Location Fishing gear Reduction technique Bycatch species Effect on bycatch species Catch Effect on target catch Type
off Washington, Oregon, and Northern California Trawls Bycatch reduction device Bony Fishes Reduction in levels by between 66% and 88% from historical levels Ocean shrimp 7.2% shrimp loss when using 19-mm rigid-grate bycatch reduction device In the wild