National Fisherman

A new study in Biology Letters—conducted by researchers at the Joint Institute for Marine and Atmospheric Research at the University of Hawaii, Ocean Discovery Institute, Comison Nacional Areas Protegidas and Pacific Islands Fisheries Science Center—announces the development of new technology that reduces bycatch rates by utilizing ultraviolet light.
 
To counter increasing bycatch rates, bycatch reduction technologies (BRT) have been created based on an animal's sensory cues and behavior. The scientists discovered that loggerhead (Caretta caretta) and leatherback (Dermochelys coriacea) sea turtles are sensitive to ultraviolet light wavelengths while many commercially important fish species have UV-absorbing compounds in their eyes that filter UV light. The scientists found that it is possible to exploit this disparity in visual capabilities to develop BRTs to prevent sea turtle bycatch.
 
"Understanding the sensory physiology of sea turtles and fish species helped us in choosing to use UV illumination," said Wang. "By using UV light, we have a used a selective means of communicating to sea turtles but not to fish."
 
According to a study, the scientists deployed 11 nets specifically designed to emit UV wavelengths, and found that illuminating gillnets with UV light reduced sea turtle capture rate while having no effect on the total target catch rate for commercial fisheries. In addition, the scientists note that visual-based BRTs can effectively reduce other types of bycatch; nets that are more visible also pose less risk to seabirds. At the time of this writing, testing of illuminated nets has begun in fisheries in Peru, Southern Baja California, Brazil and Indonesia.
 
Read the full story at Monga Bay>>

National Fisherman Live

National Fisherman Live: 3/10/15

In this episode, Online Editor Leslie Taylor talks with Mike McLouglin, vice president of Dunlop Industrial and Protective Footwear.

National Fisherman Live: 2/24/15

In this episode:

March date set for disaster aid dispersal
Oregon LNG project could disrupt fishing
NOAA tweaks gear marking requirement
N.C. launches first commercial/recreational dock
Spiny lobster traps limits not well received

Inside the Industry

SeaShare, a non-profit organization that facilitates donations of seafood to feed the hungry, announced on Wednesday, July 29 that it had partnered up with Alaska seafood companies, freight companies and the Coast Guard, to coordinate the donation and delivery of 21,000 pounds of halibut to remote villages in western Alaska. 

On Wednesday, the Coast Guard loaded 21,000 pounds of donated halibut on its C130 airplane in Kodiak and made the 634-mile flight to Nome.

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The New England Fishery Management Council  is soliciting applications for seats on the Northeast Trawl Survey Advisory Panel and the deadline to apply is July 31 at 5:00 p.m.

The panel will consist of 16 members including members of the councils and the Atlantic States Fishery Commission, industry experts, non-federal scientists and Northeast Fisheries Science Center scientists. Panel members are expected to serve for three years.

Read more...
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