Open AccessSize composition and production characteristics of atlantic cod and pollock juveniles of the Zelenetskaya Bay (Eastern Murman) in 2018
Author(s) -
O.V. Bondarev,
AUTHOR_ID
Publication year - 2021
Publication title -
trudy kolʹskogo naučnogo centra ran
Language(s) - English
Resource type - Journals
ISSN - 2307-5252
DOI - 10.37614/2307-5252.2021.3.9.002
Subject(s) - bay , pollock , gadus , atlantic cod , fishery , gadidae , oceanography , biology , zoology , fish <actinopterygii> , geology
In this article presented data on the growth of the atlantic cod Gadus morhua Linnaeus, 1758 and pollock Pollachius virens (Linnaeus, 1758) juveniles in Zelenetskaya Bay in 2018. The daily specific growth rate and production rate were calculated. The length of atlantic cod juveniles in July–September varied from 3.5 to 7.9 cm, and pollock – from 2.5 to 9.4 cm. The daily specific weight growth rate (qw) of atlantic cod juveniles in Zelenetskaya Bay from July to August was 0.41, and from August to September – 1.08; for pollock juveniles, these indicators are 1.32 and 0.94, respectively. The daily specific production (C) of atlantic cod juveniles in Zelenetskaya Bay over the summer period varied from 0.015 to 0.036, and of pollock juveniles – from 0.011 to 0.042.