Comparative analysis of biological and fishing productivity of valuable fisheries of the Caspian basin
2019
Zykov, L.A. | Gerasimov, Yu.V. | Abramenko, M.I. | Lebedev, T.B.
Based on the literature data, a comparative analysis of the biological and commercial productivity of valuable commercial Caspian sturgeon and salmon fish has been carried out, the reserves of which are currently at a historical minimum and need to be restored. It is shown that the greatest yield of biomass, products and catch from the replenishment unit (1.0 million juveniles) is noted for species characterized by the highest rate of growth in the first year of life (size and body weight of yearlings), length, age of puberty and associated with these indicators of the coefficients of natural mortality of fish
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