Ribogospod. nauka Ukr., 2013; 2(24): 7-17
DOI: https://doi.org/10.15407/fsu2013.02.007
УДК 639.2.081.1.004.17

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ABOUT ESTIMATION OF THE OPTIMAL PARAMETERS OF MESH IN FISHING GEAR FOR FISHERY IN UKRAINE

A. Chuklin, This email address is being protected from spambots. You need JavaScript enabled to view it. , State Agency of Fisheries of Ukraine, Kyiv
L. Izergin, Institute of Fisheries and Marine Ecology, Berdyansk
P. Kulik, Institute of Fisheries and Marine Ecology, Berdyansk

The analysis of biometric exterior indicators of haarder (Liza haematocheilus) in the Azov Sea is given and by example of use of these indicators the calculations for optimization of the parameters of mesh in fishing gear for fish catching in the Ukraine is complete. The calculations show that the minimum mesh size which provides selective catch capacity concerning haarder of commercial measure (more than 38 cm) should be increased in size from 30 mm to 40 mm. In this case, the probability to continue catching of juveniles from 26.8 cm to 38 cm remains, but its share will be significantly less than in case of using adopted now mesh size of 30 mm. The proposed method is recommended for engineering and biological calculations for the design of new gear and improvement of commercial fishing regulations in order to optimize and improve the effectiveness of management of fish stocks.

Keywords: Responsible Fisheries, haarder (Liza haematocheilus), selectivity, the optimum mesh size parameter, the trade measure.

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