Abstract
As a result of systematic monitoring of the parameters of the of Danish type danish seine equipped with sensors of ScanMar catch control system for the first time, the actual (working) vertical and horizontal openings of Danish type danish seine are instrumentally determined, as well as the working form of the danish seine in the process of running down and hauling wires. It has been shown that the horizontal opening of the Danish-type danish seine at the moment of the end of the running down wires is on average 21.2 m, the vertical one — 5.3 m, which suggests that in the process of further towing of the snurrevod its working form makes it possible to successfully catch aquatic organisms. The state of modern danish seine fishing, the qualitative and quantitative changes of the fleet structure on a danish seine fishing are analyzed. A sharp increase in the use of Danish-type danish seine structures with shortened wings and large vertical opening was recorded on the Kamchatka shelf. 2005 to 2018 the number of vessels involved in the danish seine fishing decreased by 53%, of which the small small fleet decreased by 120 units, the small class fleet — by 33 units, while the number of middle class vessels, on the contrary, increased by 8 units.
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