STOCK DYNAMICS, FISHERY AND POSSIBILITY OF THE CATCH FORECASTING OF NORTHEAST HADDOCK MELANOGRAMMUS AEGLEFINUS BASED ON THE FUTURE CATCH OF COD
Abstract
Against the context of brief analysis of the dynamics of the stock and regulatory measures for the fishery of the Barents Sea haddock for 1950-2016, the possibility of prediction the catch taking into account the volumes of TAC by cod is discussed. When comparing the values of commercial biomass of cod and haddock, a rather high correlation (r) between them is revealed. During 1960-2016 the correlation coefficient (r1) was 0.84, and for 1980–2016 the correlation coefficient (r2) was 0.94. From the objectively existing synchronism in the dynamics of these stocks and the geographic community of their fishing range, as well as from the biological justification for following the annual changes of TAC to the annual stock fluctuations, there is a logical consequence of the desire to achieve synchronization in the designated TAC for these species. An example of a procedure for calculating the predicted TAC value of haddock by TAC value of cod using the same proportion of the predicted haddock stock to the predicted cod stock is given in our paper.
Keywords
About the Authors
V. M. Borisov
Russian Federal Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Moscow, 107140
I. V. Tarantova
Russian Federal Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Moscow, 107140
G. A. Krylova
Russian Federal Research Institute of Fisheries and Oceanography
Russian Federation
Russian Federation
Moscow, 107140
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Review
For citations:
Borisov V.M., Tarantova I.V., Krylova G.A. STOCK DYNAMICS, FISHERY AND POSSIBILITY OF THE CATCH FORECASTING OF NORTHEAST HADDOCK MELANOGRAMMUS AEGLEFINUS BASED ON THE FUTURE CATCH OF COD. Problems of Fisheries. 2018;19(3):354-366. (In Russ.)
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