purse seine


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purse seine

[′pərs ‚sān]
(engineering)
A net that can be dropped by two boats to encircle a school of fish, then pulled together at the bottom and raised, thereby catching the fish.
References in periodicals archive ?
The small fish die and only the big fish are taken," says Ali Sd, a 23-year old fisherman lounging in a white chair near the Sidon seafront, speaking about the purse seine nets that hamper his profession.
The Atlantic and gulf menhaden purse seine fisheries: origins, harvesting technologies, biostatistical monitoring, recent trends in fisheries statistics, and forecasting.
But fads also attract a host of other species including turtles and sharks, and juvenile tuna of more vulnerable species that are scooped up by purse seine nets which form a huge curtain encircling the catch which then closes around them.
Congress enacted the Marine Mammal Protection Act (MMPA) (3) in 1972 to address, among many problems concerning marine mammals, the large number of dolphins killed by the purse seine method of fishing for yellowfin tuna in the eastern tropical Pacific Ocean (ETP), (4) a 5 to 7 million square-mile area of ocean that extends roughly from Southern California to the Chilean coastline, and west to Hawaii.
While all have commercial markets, purse seine farming is best for toro because the tuna can remain alive for longer periods and be delivered to market fresh.
Under the new standard, tuna can be labeled as "dolphin safe" if no dolphins were observed injured or killed while encircled in purse seine nets.
The embargo banned imports of tuna caught in purse seine nets, the standard technique in the eastern Pacific, home to the world's most productive tuna fishery.
The IRR on the Amended Fisheries Code also includes a provision on the use of active gears such as purse seine, locally known as pangulong and ring net or taksay by small-scale and medium-scale commercial fishing vessels who may be allowed to operate in 10.
This approach also eliminates the longline and purse seine methods, employed by most commercial fishing fleets, often resulting in the indiscriminate harvest of other species.
yearling Chinook and coho salmon and steelhead) passed rapidly through the estuary in the deep channels, bisecting an otherwise broad, flat estuary, where they were effectively caught with a purse seine.
Tuna caught by pole and line has a carbon footprint over four times higher than tuna caught by the more industrial purse seine method, a new study has revealed.