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Electric pulse fishing is a fishing technique sometimes used in trawl fisheries which produces a limited electric field above the seabed to catch fish. [1] The pulse trawl gear consists of a number of electrodes, attached to the gear in the tow direction, that emit short electric pulses.
Pulse fishing is a fisheries management technique for preventing fish stocks from being overfished by periodically permitting a cycle of fishing followed by a fallow period which allows stocks to reconstitute. [1] It should not be confused with electric pulse fishing which is a fishing technique which involves pulsing electric currents. [2]
When using pulsed DC for fishing, the pulse rate and the intensity of the electric field strongly influence the size and nature of the catch. The conductivity of the water influences the shape and extent of the electric field and thus affects the field's ability to induce capture-prone behavior in the fish. It can also cause injury to the fish.
Electric pulse fishing, where an electric pulse is generated above the sea bed to disturb fish to be captured Topics referred to by the same term This disambiguation page lists articles associated with the title Electric fishing .
Seine fishing (or seine-haul fishing; / s eɪ n / SAYN) is a method of fishing that employs a surrounding net, called a seine, that hangs vertically in the water with its bottom edge held down by weights and its top edge buoyed by floats. Seine nets can be deployed from the shore as a beach seine, or from a boat.
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Fathometer sonar. A fishfinder or sounder (Australia) is a sonar instrument used on boats to identify aquatic animals, underwater topography and other objects by detecting reflected pulses of sound energy, usually during fishing activities.