Active Forum Topics

Dolphin Wall Net (DWN) - an innovative management measure devised by ring seine fishermen of Kerala-India to reducing or eliminating marine mammal-fishery interactions

Study Type
Field study in the wild
Location
Kerala, India
Target catch
Not identified
Effect on bycatch species
Not statistically reported; study only administered a questionnaire that collected information on the structure and design of the Dolphin Wall Net (DWN)
Effect on target catch
None reported
Bycatch species
Small Cetaceans (maximum length < 7.5 meters)
Reduction technique
Fence or net barriers
Fishing Gear
Surrounding nets

Dolphin Wall Net (DWN) - an innovative management measure devised by ring seine fishermen of Kerala-India to reducing or eliminating marine mammal-fishery interactions

Study Type
Field study in the wild
Location
Kerala, India
Target catch
Not identified
Effect on bycatch species
Not statistically reported; study only administered a questionnaire that collected information on the structure and design of the Dolphin Wall Net (DWN)
Effect on target catch
None reported
Bycatch species
Small Cetaceans (maximum length < 7.5 meters)
Reduction technique
Fence or net barriers
Fishing Gear
Surrounding nets

Dolphin Wall Net (DWN) - an innovative management measure devised by ring seine fishermen of Kerala-India to reducing or eliminating marine mammal-fishery interactions

Study Type
Field study in the wild
Location
Kerala, India
Target catch
Not identified
Effect on bycatch species
Not statistically reported; study only administered a questionnaire that collected information on the structure and design of the Dolphin Wall Net (DWN)
Effect on target catch
None reported
Bycatch species
Small Cetaceans (maximum length < 7.5 meters)
Reduction technique
Fence or net barriers
Fishing Gear
Surrounding nets

Biological parameters of franciscana dolphins, Pontoporia blainvillei, by-caught in artisanal fisheries off southern Buenos Aires, Argentina

Study Type
Summary study
Location
Buenos Aires, Argentina
Target catch
None reported
Effect on bycatch species
None reported
Effect on target catch
None reported
Bycatch species
Pontoporia blainvillei (Franciscana dolphin)

Behavioral responses of minke whales (Balaenoptera acutorostrata) to experimental fishing gear in a coastal environment

Study Type
Field study in the wild
Location
Gulf of St. Lawrence, Canada
Target catch
Crab and whelk
Effect on bycatch species
Minke whales decreased swimming velocity and altered bearing when approaching a rope, particularly when ropes were black and white; some minke's altered underwater swimming trajectories when passing ropes and produced low-frequency vocalizations.
Effect on target catch
None reported
Bycatch species
Balaenoptera acutostrata (Minke whale)
Reduction technique
Differently colored ropes
Fishing Gear
Traps

Behavioral responses of minke whales (Balaenoptera acutorostrata) to experimental fishing gear in a coastal environment

Study Type
Field study in the wild
Location
Gulf of St. Lawrence, Canada
Target catch
Crab and whelk
Effect on bycatch species
Minke whales decreased swimming velocity and altered bearing when approaching a rope, particularly when ropes were black and white; some minke's altered underwater swimming trajectories when passing ropes and produced low-frequency vocalizations.
Effect on target catch
None reported
Bycatch species
Balaenoptera acutostrata (Minke whale)
Reduction technique
Differently colored ropes
Fishing Gear
Traps

Behavioral responses of minke whales (Balaenoptera acutorostrata) to experimental fishing gear in a coastal environment

Study Type
Field study in the wild
Location
Gulf of St. Lawrence, Canada
Target catch
Crab and whelk
Effect on bycatch species
Minke whales decreased swimming velocity and altered bearing when approaching a rope, particularly when ropes were black and white; some minke's altered underwater swimming trajectories when passing ropes and produced low-frequency vocalizations.
Effect on target catch
None reported
Bycatch species
Balaenoptera acutostrata (Minke whale)
Reduction technique
Differently colored ropes
Fishing Gear
Traps

Evaluating potential biodegradable twines for use in the snow crab fishery off Newfoundland and Labrador

Study Type
Field study in the wild
Location
Newfoundland and Labrador, Canada
Target catch
Snow crab
Effect on target catch
The 3-ply cotton 96-thread twine was the best performing twine. Over the study period, this twine rapidly declined in breaking strength. The total reduction was 63% of the initial strength. There was a statistical relationship between break
Fishing Gear
Traps

Evaluating potential biodegradable twines for use in the snow crab fishery off Newfoundland and Labrador

Study Type
Field study in the wild
Location
Newfoundland and Labrador, Canada
Target catch
Snow crab
Effect on target catch
The 3-ply cotton 96-thread twine was the best performing twine. Over the study period, this twine rapidly declined in breaking strength. The total reduction was 63% of the initial strength. There was a statistical relationship between break
Fishing Gear
Traps
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