On electrical fishing for brown shrimp (Crangon crangon) II. Sea trials

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Citation: Polet, H., F. Delanghe, and R. Verschoore, 2005. On electrical fishing for brown shrimp (Crangon crangon) II. Sea trials. Fisheries Research, 72, ps 13-27.
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Summary:

Modified ground gear in the North Sea brown shrimp (Crangon crangon) bottom trawl fishery utilized electromagnetic deterrents and a raised groundrope to obtain catch separation. Preliminary results of the modified gear indicate a selective effect on fish and invertebrate species. Bycatch of various fish and invertebrate species were decreased with a negligible effect on shrimp catch. The results showed great promise, but the authors indicate more testing is necessary.
Field Studies:
Location Fishing gear Reduction technique Bycatch species Effect on bycatch species Catch Effect on target catch Type
North Sea Trawls Modified ground gear Bony Fishes Reduced bycatch shrimp Negligible effect In the wild
North Sea Trawls Modified ground gear Invertebrates Reduced bycatch shrimp Negligible effect In the wild
North Sea Trawls Electromagnetic deterrents Bony Fishes Reduced bycatch shrimp Negligible effect In the wild
North Sea Trawls Electromagnetic deterrents Invertebrates Reduced bycatch shrimp Negligible effect In the wild