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RELATERTE DOKUMENTER
Figure 8 Numbers (millions) of Western Baltic spring spawning herring from combined acoustic survey June - July 2002... Figure 10 Abundance of mature Western Baltic spring
This immigration of Icelandic spring spawners to the north coast herring grounds, may explain the relatively high 0/00 return per million hectolitres of the taggings
a) review and update catch at age and mean weight at age data including information on proportions of North Sea autumn spawners and Western Baltic spring
The Herring Assessment Working Group reports on the status of the North Sea autumn-spawning herring stock in ICES Division IIIa, Subarea IV and Division VIId, the herring stocks
To estimate an index value for the whole region (North Sea, Skagerrak and Kattegat), estimated biomass,% maturity and mean weight at age for Baltic Spring Spawning herring for the
Except in cases where the necessary data are missing, data are displayed separately for herring caught in the North Sea (including a minor amount of Western Baltic spring
While the Kattegat samples seem to consist very predominantly of spring spawners, with a possible ad- mixture of Baltic autumn spawners, those from the Skagerrak
In the HAWG, these landings were included in Skagerrak, but when splitting in autumn and spring spawners the landings were in advance transferred to the North Sea as