Active Forum Topics

Evaluation of seal harassment techniques to protect gill netted salmon.

Study Type

Field study in the wild

Location

Oregon

Target catch

Salmon

Effect on bycatch species

Seals habituated to AHDs

Effect on target catch

Preliminary results indicate fewer damaged salmon

Bycatch species

Reduction technique

Acoustic deterrent devices

Fishing Gear

Read more about Evaluation of seal harassment techniques to protect gill netted salmon.

Evaluation of seal harassment techniques to protect gill netted salmon.

Study Type

Field study in the wild

Location

Oregon

Target catch

Salmon

Effect on bycatch species

Seals habituated to AHDs

Effect on target catch

Preliminary results indicate fewer damaged salmon

Bycatch species

Reduction technique

Acoustic deterrent devices

Fishing Gear

Read more about Evaluation of seal harassment techniques to protect gill netted salmon.

Food color and marine turtle feeding behavior: Can blue bait reduce turtle bycatch in commercial fisheries?

Study Type

Field study in the wild

Location

Costa Rica

Target catch

Swordfish and tuna

Effect on bycatch species

Did not reduce bycatch

Bycatch species

Reduction technique

Fishing Gear

Hooks-and-Lines

Read more about Food color and marine turtle feeding behavior: Can blue bait reduce turtle bycatch in commercial fisheries?

Food color and marine turtle feeding behavior: Can blue bait reduce turtle bycatch in commercial fisheries?

Study Type

Field study in the wild

Location

Costa Rica

Target catch

Swordfish and tuna

Effect on bycatch species

Did not reduce bycatch

Bycatch species

Reduction technique

Fishing Gear

Hooks-and-Lines

Read more about Food color and marine turtle feeding behavior: Can blue bait reduce turtle bycatch in commercial fisheries?

Food color and marine turtle feeding behavior: Can blue bait reduce turtle bycatch in commercial fisheries?

Study Type

Field study in the wild

Location

Costa Rica

Target catch

Swordfish and tuna

Effect on bycatch species

Did not reduce bycatch

Bycatch species

Reduction technique

Fishing Gear

Hooks-and-Lines

Read more about Food color and marine turtle feeding behavior: Can blue bait reduce turtle bycatch in commercial fisheries?

Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Study Type

Field study in the wild

Location

United States

Target catch

Swordfish

Effect on bycatch species

Reduced bycatch and hook ingestion

Effect on target catch

No negative effect

Bycatch species

Caretta caretta (Loggerhead turtle)

Demochelys coriacea (Leatherback sea turtle)

Reduction technique

Fishing Gear

Hooks-and-Lines

Read more about Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Study Type

Field study in the wild

Location

United States

Target catch

Swordfish

Effect on bycatch species

Reduced bycatch and hook ingestion

Effect on target catch

No negative effect

Bycatch species

Caretta caretta (Loggerhead turtle)

Demochelys coriacea (Leatherback sea turtle)

Reduction technique

Fishing Gear

Hooks-and-Lines

Read more about Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Study Type

Field study in the wild

Location

United States

Target catch

Swordfish

Effect on bycatch species

Reduced bycatch and hook ingestion

Effect on target catch

No negative effect

Bycatch species

Caretta caretta (Loggerhead turtle)

Demochelys coriacea (Leatherback sea turtle)

Reduction technique

Fishing Gear

Hooks-and-Lines

Read more about Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Study Type

Field study in the wild

Location

United States

Target catch

Swordfish

Effect on bycatch species

Reduced bycatch and hook ingestion

Effect on target catch

No negative effect

Bycatch species

Caretta caretta (Loggerhead turtle)

Demochelys coriacea (Leatherback sea turtle)

Reduction technique

Fishing Gear

Hooks-and-Lines

Read more about Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Study Type

Field study in the wild

Location

United States

Target catch

Swordfish

Effect on bycatch species

Use of novel bait species (mackerel instead of squid bait) reduced loggerhead (Caretta caretta) and leatherback (Dermocheles coriacea) sea turtle bycatch.

Bycatch species

Caretta caretta (Loggerhead turtle)

Reduction technique

Alternative bait

Fishing Gear

Hooks-and-Lines

Read more about Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Study Type

Field study in the wild

Location

United States

Target catch

Swordfish

Effect on bycatch species

Use of novel bait species (mackerel instead of squid bait) reduced loggerhead (Caretta caretta) and leatherback (Dermocheles coriacea) sea turtle bycatch.

Bycatch species

Caretta caretta (Loggerhead turtle)

Reduction technique

Alternative bait

Fishing Gear

Hooks-and-Lines

Read more about Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Study Type

Field study in the wild

Location

United States

Target catch

Swordfish

Effect on bycatch species

Use of novel bait species (mackerel instead of squid bait) reduced loggerhead (Caretta caretta) and leatherback (Dermocheles coriacea) sea turtle bycatch.

Bycatch species

Caretta caretta (Loggerhead turtle)

Reduction technique

Alternative bait

Fishing Gear

Hooks-and-Lines

Read more about Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Study Type

Field study in the wild

Location

United States

Target catch

Swordfish and tuna

Effect on bycatch species

Increased soak time increased bycatch

Effect on target catch

Insignificant for swordfish but significant for bigeye tuna

Bycatch species

Caretta caretta (Loggerhead turtle)

Reduction technique

Decreased soak time

Fishing Gear

Hooks-and-Lines

Read more about Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Study Type

Field study in the wild

Location

United States

Target catch

Swordfish and tuna

Effect on bycatch species

Increased soak time increased bycatch

Effect on target catch

Insignificant for swordfish but significant for bigeye tuna

Bycatch species

Caretta caretta (Loggerhead turtle)

Reduction technique

Decreased soak time

Fishing Gear

Hooks-and-Lines

Read more about Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Study Type

Field study in the wild

Location

United States

Target catch

Swordfish and tuna

Effect on bycatch species

Increased soak time increased bycatch

Effect on target catch

Insignificant for swordfish but significant for bigeye tuna

Bycatch species

Caretta caretta (Loggerhead turtle)

Reduction technique

Decreased soak time

Fishing Gear

Hooks-and-Lines

Read more about Fishing methods to reduce sea turtle mortality associated with pelagic longlines

Performance assessment of an underwater chute to mitigate seabird bycatch in the Hawaii pelagic longline tuna fishery

Study Type

Field study in the wild

Location

Hawaii

Target catch

Tuna

Effect on bycatch species

Reduced bycatch

Bycatch species

Reduction technique

Sub-surface sets (gillnets)

Fishing Gear

Hooks-and-Lines

Read more about Performance assessment of an underwater chute to mitigate seabird bycatch in the Hawaii pelagic longline tuna fishery

Performance assessment of an underwater chute to mitigate seabird bycatch in the Hawaii pelagic longline tuna fishery

Study Type

Field study in the wild

Location

Hawaii

Target catch

Tuna

Effect on bycatch species

Reduced bycatch

Bycatch species

Reduction technique

Sub-surface sets (gillnets)

Fishing Gear

Hooks-and-Lines

Read more about Performance assessment of an underwater chute to mitigate seabird bycatch in the Hawaii pelagic longline tuna fishery

Performance assessment of an underwater chute to mitigate seabird bycatch in the Hawaii pelagic longline tuna fishery

Study Type

Field study in the wild

Location

Hawaii

Target catch

Tuna

Effect on bycatch species

Reduced bycatch

Bycatch species

Reduction technique

Sub-surface sets (gillnets)

Fishing Gear

Hooks-and-Lines

Read more about Performance assessment of an underwater chute to mitigate seabird bycatch in the Hawaii pelagic longline tuna fishery

Acoustic alarms reduce porpoise mortality

Study Type

Field study in the wild

Location

United States

Target catch

Multiple species

Effect on bycatch species

Reduced harbor porpoise bycatch

Effect on target catch

Effect varied by species

Bycatch species

Small Cetaceans (maximum length < 7.5 meters)

Phocoena phocoena (Harbor porpoise)

Reduction technique

Acoustic deterrent devices

Fishing Gear

Read more about Acoustic alarms reduce porpoise mortality

Acoustic alarms reduce porpoise mortality

Study Type

Field study in the wild

Location

United States

Target catch

Multiple species

Effect on bycatch species

Reduced harbor porpoise bycatch

Effect on target catch

Effect varied by species

Bycatch species

Small Cetaceans (maximum length < 7.5 meters)

Phocoena phocoena (Harbor porpoise)

Reduction technique

Acoustic deterrent devices

Fishing Gear

Read more about Acoustic alarms reduce porpoise mortality

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