Variasjoner i utbredelsen av torsk i Barentshavet i perioden 1977-1981
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Date
1981Metadata
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- Fisken og havet (1958- ) [700]
Abstract
The distribution and abundance of young cod and haddock in the
Barents Sea have been investigated during cruises in February-
March each year since 1975. These investigations have revealed
variations in the geographical distribution of the two species
during the period 1977-1981. In the present paper these variations
are described and discussed in detail for the different
age groups (2-7 years) of cod.
The results show a westward migration of cod with increasing age
and with decreasing water temperature in the Barents Sea. Consequently,
an extreme westerly distribution of biomass of cod
occurs when both the sea temperatures are low, and the dominant
year class in the stock of young cod is relatively old (4-7
years) which is the situation experienced during the period 1979-
1981.
Publisher
HavforskningsinstituttetSeries
Fisken og havet1981-04