Unanswered Forum Topics

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

Study Type
Field study in the wild
Location
off Washington, Oregon, and Northern California
Target catch
Ocean shrimp
Effect on bycatch species
Reduction in levels by between 66% and 88% from historical levels
Effect on target catch
7.2% shrimp loss when using 19-mm rigid-grate bycatch reduction device
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

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

Study Type
Field study in the wild
Location
off Washington, Oregon, and Northern California
Target catch
Ocean shrimp
Effect on bycatch species
Reduction in levels by between 66% and 88% from historical levels
Effect on target catch
7.2% shrimp loss when using 19-mm rigid-grate bycatch reduction device
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

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

Study Type
Field study in the wild
Location
off Washington, Oregon, and Northern California
Target catch
Ocean shrimp
Effect on bycatch species
Reduction in levels by between 66% and 88% from historical levels
Effect on target catch
7.2% shrimp loss when using 19-mm rigid-grate bycatch reduction device
Bycatch species
Bony Fishes
Reduction technique
Excluder devices
Fishing Gear
Trawls

Reducing sea turtle interactions in the Hawaii-based longline swordfish fishery

Study Type
Field study in the wild
Location
off Hawaii
Target catch
Swordfish
Effect on bycatch species
Leatherback turtle capture rates declined by 83% and loggerhead capture rates declined by 90%
Effect on target catch
Swordfish catch increased by 16%, tuna catch decreased by 50%, and mahi-mahi, opah, and wahoo catch decreased by 34%
Bycatch species
Sea Turtles
Reduction technique
Circle hooks
Fishing Gear
Hooks-and-Lines

Reducing sea turtle interactions in the Hawaii-based longline swordfish fishery

Study Type
Field study in the wild
Location
off Hawaii
Target catch
Swordfish
Effect on bycatch species
Leatherback turtle capture rates declined by 83% and loggerhead capture rates declined by 90%
Effect on target catch
Swordfish catch increased by 16%, tuna catch decreased by 50%, and mahi-mahi, opah, and wahoo catch decreased by 34%
Bycatch species
Sea Turtles
Reduction technique
Circle hooks
Fishing Gear
Hooks-and-Lines

Reducing sea turtle interactions in the Hawaii-based longline swordfish fishery

Study Type
Field study in the wild
Location
off Hawaii
Target catch
Swordfish
Effect on bycatch species
Leatherback turtle capture rates declined by 83% and loggerhead capture rates declined by 90%
Effect on target catch
Swordfish catch increased by 16%, tuna catch decreased by 50%, and mahi-mahi, opah, and wahoo catch decreased by 34%
Bycatch species
Sea Turtles
Reduction technique
Circle hooks
Fishing Gear
Hooks-and-Lines

Reducing sea turtle interactions in the Hawaii-based longline swordfish fishery

Study Type
Field study in the wild
Location
off Hawaii
Target catch
Swordfish
Effect on bycatch species
Decreased by 36%
Effect on target catch
Swordfish catch increased by 16%, tuna catch decreased by 50%, and mahi-mahi, opah, and wahoo catch decreased by 34%
Bycatch species
Sharks
Reduction technique
Alternative bait
Fishing Gear
Hooks-and-Lines

Reducing sea turtle interactions in the Hawaii-based longline swordfish fishery

Study Type
Field study in the wild
Location
off Hawaii
Target catch
Swordfish
Effect on bycatch species
Decreased by 36%
Effect on target catch
Swordfish catch increased by 16%, tuna catch decreased by 50%, and mahi-mahi, opah, and wahoo catch decreased by 34%
Bycatch species
Sharks
Reduction technique
Alternative bait
Fishing Gear
Hooks-and-Lines

Reducing sea turtle interactions in the Hawaii-based longline swordfish fishery

Study Type
Field study in the wild
Location
off Hawaii
Target catch
Swordfish
Effect on bycatch species
Decreased by 36%
Effect on target catch
Swordfish catch increased by 16%, tuna catch decreased by 50%, and mahi-mahi, opah, and wahoo catch decreased by 34%
Bycatch species
Sharks
Reduction technique
Alternative bait
Fishing Gear
Hooks-and-Lines

Reducing sea turtle interactions in the Hawaii-based longline swordfish fishery

Study Type
Field study in the wild
Location
off Hawaii
Target catch
Swordfish
Effect on bycatch species
Highly significant reduction in the proportion of turtles that swallowed hooks
Effect on target catch
Swordfish catch increased by 16%, tuna catch decreased by 50%, and mahi-mahi, opah, and wahoo catch decreased by 34%
Bycatch species
Sea Turtles
Reduction technique
Circle hooks
Fishing Gear
Hooks-and-Lines

Reducing sea turtle interactions in the Hawaii-based longline swordfish fishery

Study Type
Field study in the wild
Location
off Hawaii
Target catch
Swordfish
Effect on bycatch species
Highly significant reduction in the proportion of turtles that swallowed hooks
Effect on target catch
Swordfish catch increased by 16%, tuna catch decreased by 50%, and mahi-mahi, opah, and wahoo catch decreased by 34%
Bycatch species
Sea Turtles
Reduction technique
Circle hooks
Fishing Gear
Hooks-and-Lines

Reducing sea turtle interactions in the Hawaii-based longline swordfish fishery

Study Type
Field study in the wild
Location
off Hawaii
Target catch
Swordfish
Effect on bycatch species
Highly significant reduction in the proportion of turtles that swallowed hooks
Effect on target catch
Swordfish catch increased by 16%, tuna catch decreased by 50%, and mahi-mahi, opah, and wahoo catch decreased by 34%
Bycatch species
Sea Turtles
Reduction technique
Circle hooks
Fishing Gear
Hooks-and-Lines
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