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Pontoporia blainvillei (Franciscana dolphin)

Read more about Field Study

Field Study

Study Type

Field study in the wild

Location

Argentina

Target catch

weakfish, croaker

Effect on bycatch species

No effect

Effect on target catch

No effect

Bycatch species

Reduction technique

Stiff gillnet

Fishing Gear

Pontoporia blainvillei (Franciscana dolphin)

Read more about Field Study

Field Study

Study Type

Field study in the wild

Location

Argentina

Target catch

weakfish, croaker

Effect on bycatch species

No effect

Effect on target catch

No effect

Bycatch species

Reduction technique

Stiff gillnet

Fishing Gear

Read more about Field Study

Field Study 813

Study Type

Field study in the wild

Location

South Africa

Target catch

Tuna

Effect on bycatch species

Hybrid lines appeared to reduce sea bird attacks, but not statistically conclusive

Effect on target catch

None reported

Bycatch species

Reduction technique

Bird-scaring devices

Fishing Gear

Read more about Field Study 813

Field Study 813

Study Type

Field study in the wild

Location

South Africa

Target catch

Tuna

Effect on bycatch species

Hybrid lines appeared to reduce sea bird attacks, but not statistically conclusive

Effect on target catch

None reported

Bycatch species

Reduction technique

Bird-scaring devices

Fishing Gear

Read more about Field Study 813

Field Study 813

Study Type

Field study in the wild

Location

South Africa

Target catch

Tuna

Effect on bycatch species

Hybrid lines appeared to reduce sea bird attacks, but not statistically conclusive

Effect on target catch

None reported

Bycatch species

Reduction technique

Bird-scaring devices

Fishing Gear

Read more about Field Study 813

Field Study 814

Study Type

Field study in the wild

Location

South Africa

Target catch

Tuna

Effect on bycatch species

1.07 birds/1000 hooks (unweighted) vs. 0.06 birds/1000 hooks (weighted)

Effect on target catch

No detectable affect

Bycatch species

Reduction technique

Sub-surface bait setting

Fishing Gear

Read more about Field Study 814

Field Study 814

Study Type

Field study in the wild

Location

South Africa

Target catch

Tuna

Effect on bycatch species

1.07 birds/1000 hooks (unweighted) vs. 0.06 birds/1000 hooks (weighted)

Effect on target catch

No detectable affect

Bycatch species

Reduction technique

Sub-surface bait setting

Fishing Gear

Read more about Field Study 814

Field Study 814

Study Type

Field study in the wild

Location

South Africa

Target catch

Tuna

Effect on bycatch species

1.07 birds/1000 hooks (unweighted) vs. 0.06 birds/1000 hooks (weighted)

Effect on target catch

No detectable affect

Bycatch species

Reduction technique

Sub-surface bait setting

Fishing Gear

Read more about Field Study 814

Field Study 815

Study Type

Field study in the wild

Location

South Africa

Target catch

Tuna

Effect on bycatch species

0.439 birds/1000 hooks (night) vs. 2 birds/1000 hooks (day)

Effect on target catch

None reported

Bycatch species

Reduction technique

Night sets

Fishing Gear

Read more about Field Study 815

Field Study 815

Study Type

Field study in the wild

Location

South Africa

Target catch

Tuna

Effect on bycatch species

0.439 birds/1000 hooks (night) vs. 2 birds/1000 hooks (day)

Effect on target catch

None reported

Bycatch species

Reduction technique

Night sets

Fishing Gear

Read more about Field Study 815

Field Study 815

Study Type

Field study in the wild

Location

South Africa

Target catch

Tuna

Effect on bycatch species

0.439 birds/1000 hooks (night) vs. 2 birds/1000 hooks (day)

Effect on target catch

None reported

Bycatch species

Reduction technique

Night sets

Fishing Gear

Electromagnetic deterrents

Read more about Field Study 815

Field Study 817

Study Type

Summary study

Location

laboratory

Target catch

None

Effect on bycatch species

Nd did not repel bonnethead or lemon sharks

Effect on target catch

n/a

Bycatch species

Sharks

Reduction technique

Read more about Field Study 817

Field Study 817

Study Type

Summary study

Location

laboratory

Target catch

None

Effect on bycatch species

Nd did not repel bonnethead or lemon sharks

Effect on target catch

n/a

Bycatch species

Sharks

Reduction technique

Electromagnetic deterrents

Read more about Field Study 817

Field Study 819

Study Type

Field study in the wild

Location

Baja California Sur, Mexico

Target catch

Flounder, others

Effect on bycatch species

Reduced capture by 39.7%

Effect on target catch

No significant difference in catch rates

Bycatch species

Sea Turtles

Reduction technique

Visual deterrents

Fishing Gear

Read more about Field Study 819

Field Study 819

Study Type

Field study in the wild

Location

Baja California Sur, Mexico

Target catch

Flounder, others

Effect on bycatch species

Reduced capture by 39.7%

Effect on target catch

No significant difference in catch rates

Bycatch species

Sea Turtles

Reduction technique

Visual deterrents

Fishing Gear

Read more about Field Study 819

Field Study 819

Study Type

Field study in the wild

Location

Baja California Sur, Mexico

Target catch

Flounder, others

Effect on bycatch species

Reduced capture by 39.7%

Effect on target catch

No significant difference in catch rates

Bycatch species

Sea Turtles

Reduction technique

Visual deterrents

Fishing Gear