Spring ichthyoplankton of Kronotsky Bay (Kamchatka рeninsula)
https://doi.org/10.36038/2307-3497-2025-202-5-14
EDN: MQYRBR
Abstract
Purpose: analysis of the species diversity and quantitative composition of fish eggs and larvae, as well as the features of the spatial distribution of the most abundant representatives of spring ichthyoplankton in Kronotsky Bay.
Methods: standard methodology for conducting ichthyoplankton surveys with subsequent office processing of the material.
Novelty: new information on the species composition and spatial distribution of the most frequently occurring species in the ichthyoplankton of Kronotsky Bay is presented for the period 2004-2022.
Result: the eggs and larvae of 36 fish species were recorded in ichthyoplankton samples. The dominant components were the eggs of the pollock Gadus chalcogrammus and the lemon sole Pleuronectes quadrituberculatus, as well as the larvae of the sculpines of the genus Gymnocanthus. Their spatial distribution is shown depending on the classification of years («warm», «cold», and «normal»).
Practical significance: information on the spatial distribution of commercial fish species during the early ontogenesis period will improve the reliability of forecasting their stocks.
About the Authors
Darya Ya. Melnik
Kamchatka branch of «VNIRO» («KamchatNIRO»)
Russian Federation
Russian Federation
18, Naberezhnaya st., Petropavlovsk Kamchatsky, 683000
Rinata T. Ovcherenko
Kamchatka branch of «VNIRO» («KamchatNIRO»)
Russian Federation
Russian Federation
18, Naberezhnaya st., Petropavlovsk Kamchatsky, 683000
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Review
For citations:
Melnik D.Ya., Ovcherenko R.T. Spring ichthyoplankton of Kronotsky Bay (Kamchatka рeninsula). Trudy VNIRO. 2025;202(4):5-14. (In Russ.) https://doi.org/10.36038/2307-3497-2025-202-5-14. EDN: MQYRBR
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