Unanswered Forum Topics
Fishery-specific solutions to seabird bycatch in the U.S. West Coast sablefish fishery
Fishery-specific solutions to seabird bycatch in the U.S. West Coast sablefish fishery
Seabird longline bycatch reduction devices increase target catch while reducing bycatch: A meta-analysis
A meta-analysis of 15 papers examined the general impact of seabird BRD technology upon commercial longline fishing operations. Since there were relatively few papers with data suitable for meta-analysis, the researchers pooled studies with BRD-and fishery-related metrics included as covariates. The analysis found a small (9%) increase in target catch with BRD use in longline fisheries, while seabird bycatch was reduced by 89%.
Assessing the importance of net color as a seabird bycatch mitigation measure in gillnet fishing
The ability of little penguins (Eudyptula minor) to distinguish differently colored netting materials was tested under controlled conditions to test gillnet color as a potential bycatch mitigation technique. Clear, green, and orange colored monofilament were tested in the form of a gillnet mimic in an enclosed tank containing 25 penguins. Orange colored monofilament line resulted in lower collision rates with the gillnet mimic (5.5%) in comparison with clear (35.9%) and green (30.8%) monofilament lines.
Assessing the importance of net colour as a seabird bycatch mitigation measure in gillnet fishing
Assessing the importance of net colour as a seabird bycatch mitigation measure in gillnet fishing
Assessing the importance of net colour as a seabird bycatch mitigation measure in gillnet fishing
Marine Mammal Bycatch Solutions funding!
A second round of funding is now available to support competitive proposals focused on documenting or reducing marine mammal bycatch in non-US fisheries.
With support from NOAA-Fisheries, we are pleased to announce that new applications for funding are being accepted. Project support is based on availability of funds, which will be available on a first-come, first-serve basis for the most competitive proposals. To apply, please see: https://www.bycatch.org/content/funding-opportunities
Simulation of the entanglement of a North Atlantic right whale (Eubalaena glacialis) with fixed fishing gear.
A computer model was produced to provide insight into how the Critically Endangered North Atlantic right whale (NARW) becomes entangled. It allows an anatomically accurate model of a NARW Population estimates of the critically endangered North Atlantic right whale to "swim" into fishing pot ropes, that incorporate realistic physical properties and can generate measures of physical forces (such as rope tension). Modeled entanglement events showed that those involving the pectoral flippers with body wraps were more easily generated than entanglements involving the tailstock only.
Simulation of the entanglement of a North Atlantic right whale (Eubalaena glacialis) with fixed fishing gear.
Simulation of the entanglement of a North Atlantic right whale (Eubalaena glacialis) with fixed fishing gear.
Simulation of the entanglement of a North Atlantic right whale (Eubalaena glacialis) with fixed fishing gear.
Kon's Covered Fisheye BRD Trial Report
Kon's Covered Fisheye BRD Trial Report
Kon's Covered Fisheye BRD Trial Report
Implementation of the marine mammal bycatch assessment project in Ecuador.
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Is it all about the haul? Pelagic false killer whale interactions with longline fisheries in the central North Pacific
This study examined spatial interactions between false killer whales (Pseudorca crassidens) and the Hawaii-based deep-set longline fishery. False killer whales occur as bycatch in this fishery that exceed allowable levels. Five satellite tagged whales (occurring within three groups) in combination with logbook entries showed that only two groups of whales approximated gear at a distance closer than 50km. On two occasions whales from one group came close enough to interact with gear, and one of six sets involved had no catch which may be explained by depredation.