Growth of Polar cod (Boreogadus saida) in the Barents Sea
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http://hdl.handle.net/11250/104773Utgivelsesdato
1990Metadata
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This report is not to be cited without prior reference to the authorsSammendrag
Observed length-at-age, and backcalculated lengths based on otolith
measurements, from samples of polar cod collected in the Barents Sea
in autumn of 1987 to 1989, were analysed.
An increase in individual length growth of one-year-olds was observed
from 1987 to 1989. Indications of a slower growth among the fish collected
in the eastern areas compared to those sampled further west,
were evident all three years. The growth histories of the year classes
1984 and 1985 showed similar patterns, while the fishes of the year
class 1986 had a faster growth in their second year of life. The
growth seemed to be quite linear up to age three for the first two
year classes, while the 1986 year class showed a decreasing trend in
growth with age. For all three year classes there is a gradual
decrease in growth for increasing age.