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0-group cod investigations on the Norwegian Skagerrak coast. In: The propagation of cod Gadus morhua L.: an international symposium, Arendal, 14 - 17 June 1983

Tveite, Stein
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URI
http://hdl.handle.net/11250/115170
Date
1984
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  • Flødevigens rapportserie (1982-1992) [67]
Abstract
Since 1917 0-group cod have been sampled by beach seine

along the Norwegian Skagerrak coast. The average number of 0-group

per haul is found to give a relatively reliable estimate

of year class strenqth.

There was a period of relatively low abundance in all areas

from 1930 to 1950. The best period for the open areas on the

south coast was from 1950 to 1970, while in more landlocked

areas the abundance was highest before 1930 and after 1970. In

the Langesund area and inner parts of the Oslofjord there has

been a general decline since 1950, at least partly caused by

environmental changes due to pollution.
Publisher
Havforskningsinstituttet
Series
Flødevigen rapportserie
1, 1984

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