Encircling Nets

Encircling Nets

 

in fishing, devices used to catch fish by straining the water through the netting. The fish remain in the net as it is hauled in; they do not get entangled in the netting. Encircling nets, which include trawls, seines, and trap nets, are widely used in commercial fishing.

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Time and again, when a mob of them was well in hand and being driven along the streets to the water, the comrades would create a diversion, and the mob would escape through the consequent hole torn in the encircling net.
FISHERMEN gathered outside the ministry of agriculture yesterday in protest after hearing that licences had been granted for fishing with encircling nets, which would mean bigger catches for some while others used more traditional, a and smaller netting.
3) Encircling nets, which surround the schools and are closed for catching the fish.
king weakfish and left-eye flounders; iii) encircling nets and trawling with canoes, for mullets; iv) beach seine for several fish species; and v) trawling for shrimp.
Martins and Perez (2008) identified a remarkable variation in the catches by gillnets and encircling nets in Florianopolis, related to the wind direction and presumably to the thermal structure of the water column.
5 Anchored gillnet Length 347 300 Mesh 10 to 18 Height 3 2 Driftnet Length 389 300 Mesh 5 to 12 Height 2 2 Encircling nets Length 407 400 Mesh 7 and 8 Height 2 2 Open sea Bluefish net Length 464 500 Mesh 8 and 9 Height 8 8 Mullet net Length 477 400 Mesh 10 and 11 Height 23 25 Croaker net Length 2,726 2,532 Mesh 13 and 14 Height 2 2 Codling net Length 1,123 1,000 Mesh 10 and 11 Height 2 2 Left-eyed flounder net Length 748 775 Mesh 18 and 20 Heigth 2 2 S n Bays Shrimp driftnet 180.
The driftnet and encircling net demand the fisher's presence during fishing operations, while the use of surface or bottom fishing gillnets does not need their presence after the gear is set up in the appropriate spot.
It obliges member states to adopt national management plans and to define technical rules on authorised methods and fishing zones, including the prohibition of dangerous practices, improvement of gear selectivity, minimum hook size, limitation of the maximum size of passive fishing gears, restrictions on operations using certain active gears (trawlers, seines, encircling nets, dredges, etc).
The reduction for China includes 3,000 tons approved for Chinese fishermen this year for fishing with encircling nets in the Sea of Japan and in the East China Sea.
Seine or encircling nets have long been used to capture marine mammal species around the world (Asper, 1975; Irvine et al.
The NMFS study said there was no evidence that the encircling nets employed by the Mexican fishing industry were harming dolphins.